evergreen.c 98.6 KB
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/*
 * Copyright 2010 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Alex Deucher
 */
#include <linux/firmware.h>
#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include "drmP.h"
#include "radeon.h"
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#include "radeon_asic.h"
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#include "radeon_drm.h"
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#include "evergreend.h"
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#include "atom.h"
#include "avivod.h"
#include "evergreen_reg.h"
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#include "evergreen_blit_shaders.h"
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#define EVERGREEN_PFP_UCODE_SIZE 1120
#define EVERGREEN_PM4_UCODE_SIZE 1376

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static void evergreen_gpu_init(struct radeon_device *rdev);
void evergreen_fini(struct radeon_device *rdev);
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static void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
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void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc)
{
	/* enable the pflip int */
	radeon_irq_kms_pflip_irq_get(rdev, crtc);
}

void evergreen_post_page_flip(struct radeon_device *rdev, int crtc)
{
	/* disable the pflip int */
	radeon_irq_kms_pflip_irq_put(rdev, crtc);
}

u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
{
	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
	u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset);

	/* Lock the graphics update lock */
	tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
	WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);

	/* update the scanout addresses */
	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
	       upper_32_bits(crtc_base));
	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
	       (u32)crtc_base);

	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
	       upper_32_bits(crtc_base));
	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
	       (u32)crtc_base);

	/* Wait for update_pending to go high. */
	while (!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING));
	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");

	/* Unlock the lock, so double-buffering can take place inside vblank */
	tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
	WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);

	/* Return current update_pending status: */
	return RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING;
}

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/* get temperature in millidegrees */
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int evergreen_get_temp(struct radeon_device *rdev)
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{
	u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
		ASIC_T_SHIFT;
	u32 actual_temp = 0;

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	if (temp & 0x400)
		actual_temp = -256;
	else if (temp & 0x200)
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		actual_temp = 255;
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	else if (temp & 0x100) {
		actual_temp = temp & 0x1ff;
		actual_temp |= ~0x1ff;
	} else
		actual_temp = temp & 0xff;
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	return (actual_temp * 1000) / 2;
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}

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int sumo_get_temp(struct radeon_device *rdev)
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{
	u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff;
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	int actual_temp = temp - 49;
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	return actual_temp * 1000;
}

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void evergreen_pm_misc(struct radeon_device *rdev)
{
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	int req_ps_idx = rdev->pm.requested_power_state_index;
	int req_cm_idx = rdev->pm.requested_clock_mode_index;
	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
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	if (voltage->type == VOLTAGE_SW) {
		if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) {
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			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
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			rdev->pm.current_vddc = voltage->voltage;
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			DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage);
		}
		if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) {
			radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI);
			rdev->pm.current_vddci = voltage->vddci;
			DRM_DEBUG("Setting: vddci: %d\n", voltage->vddci);
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		}
	}
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}

void evergreen_pm_prepare(struct radeon_device *rdev)
{
	struct drm_device *ddev = rdev->ddev;
	struct drm_crtc *crtc;
	struct radeon_crtc *radeon_crtc;
	u32 tmp;

	/* disable any active CRTCs */
	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
		radeon_crtc = to_radeon_crtc(crtc);
		if (radeon_crtc->enabled) {
			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
			tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
		}
	}
}

void evergreen_pm_finish(struct radeon_device *rdev)
{
	struct drm_device *ddev = rdev->ddev;
	struct drm_crtc *crtc;
	struct radeon_crtc *radeon_crtc;
	u32 tmp;

	/* enable any active CRTCs */
	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
		radeon_crtc = to_radeon_crtc(crtc);
		if (radeon_crtc->enabled) {
			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
			tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
		}
	}
}

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bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
{
	bool connected = false;
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	switch (hpd) {
	case RADEON_HPD_1:
		if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
			connected = true;
		break;
	case RADEON_HPD_2:
		if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
			connected = true;
		break;
	case RADEON_HPD_3:
		if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
			connected = true;
		break;
	case RADEON_HPD_4:
		if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
			connected = true;
		break;
	case RADEON_HPD_5:
		if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
			connected = true;
		break;
	case RADEON_HPD_6:
		if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
			connected = true;
			break;
	default:
		break;
	}

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	return connected;
}

void evergreen_hpd_set_polarity(struct radeon_device *rdev,
				enum radeon_hpd_id hpd)
{
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	u32 tmp;
	bool connected = evergreen_hpd_sense(rdev, hpd);

	switch (hpd) {
	case RADEON_HPD_1:
		tmp = RREG32(DC_HPD1_INT_CONTROL);
		if (connected)
			tmp &= ~DC_HPDx_INT_POLARITY;
		else
			tmp |= DC_HPDx_INT_POLARITY;
		WREG32(DC_HPD1_INT_CONTROL, tmp);
		break;
	case RADEON_HPD_2:
		tmp = RREG32(DC_HPD2_INT_CONTROL);
		if (connected)
			tmp &= ~DC_HPDx_INT_POLARITY;
		else
			tmp |= DC_HPDx_INT_POLARITY;
		WREG32(DC_HPD2_INT_CONTROL, tmp);
		break;
	case RADEON_HPD_3:
		tmp = RREG32(DC_HPD3_INT_CONTROL);
		if (connected)
			tmp &= ~DC_HPDx_INT_POLARITY;
		else
			tmp |= DC_HPDx_INT_POLARITY;
		WREG32(DC_HPD3_INT_CONTROL, tmp);
		break;
	case RADEON_HPD_4:
		tmp = RREG32(DC_HPD4_INT_CONTROL);
		if (connected)
			tmp &= ~DC_HPDx_INT_POLARITY;
		else
			tmp |= DC_HPDx_INT_POLARITY;
		WREG32(DC_HPD4_INT_CONTROL, tmp);
		break;
	case RADEON_HPD_5:
		tmp = RREG32(DC_HPD5_INT_CONTROL);
		if (connected)
			tmp &= ~DC_HPDx_INT_POLARITY;
		else
			tmp |= DC_HPDx_INT_POLARITY;
		WREG32(DC_HPD5_INT_CONTROL, tmp);
			break;
	case RADEON_HPD_6:
		tmp = RREG32(DC_HPD6_INT_CONTROL);
		if (connected)
			tmp &= ~DC_HPDx_INT_POLARITY;
		else
			tmp |= DC_HPDx_INT_POLARITY;
		WREG32(DC_HPD6_INT_CONTROL, tmp);
		break;
	default:
		break;
	}
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}

void evergreen_hpd_init(struct radeon_device *rdev)
{
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	struct drm_device *dev = rdev->ddev;
	struct drm_connector *connector;
	u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
		DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
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	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
		switch (radeon_connector->hpd.hpd) {
		case RADEON_HPD_1:
			WREG32(DC_HPD1_CONTROL, tmp);
			rdev->irq.hpd[0] = true;
			break;
		case RADEON_HPD_2:
			WREG32(DC_HPD2_CONTROL, tmp);
			rdev->irq.hpd[1] = true;
			break;
		case RADEON_HPD_3:
			WREG32(DC_HPD3_CONTROL, tmp);
			rdev->irq.hpd[2] = true;
			break;
		case RADEON_HPD_4:
			WREG32(DC_HPD4_CONTROL, tmp);
			rdev->irq.hpd[3] = true;
			break;
		case RADEON_HPD_5:
			WREG32(DC_HPD5_CONTROL, tmp);
			rdev->irq.hpd[4] = true;
			break;
		case RADEON_HPD_6:
			WREG32(DC_HPD6_CONTROL, tmp);
			rdev->irq.hpd[5] = true;
			break;
		default:
			break;
		}
	}
	if (rdev->irq.installed)
		evergreen_irq_set(rdev);
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}

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void evergreen_hpd_fini(struct radeon_device *rdev)
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{
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	struct drm_device *dev = rdev->ddev;
	struct drm_connector *connector;

	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
		switch (radeon_connector->hpd.hpd) {
		case RADEON_HPD_1:
			WREG32(DC_HPD1_CONTROL, 0);
			rdev->irq.hpd[0] = false;
			break;
		case RADEON_HPD_2:
			WREG32(DC_HPD2_CONTROL, 0);
			rdev->irq.hpd[1] = false;
			break;
		case RADEON_HPD_3:
			WREG32(DC_HPD3_CONTROL, 0);
			rdev->irq.hpd[2] = false;
			break;
		case RADEON_HPD_4:
			WREG32(DC_HPD4_CONTROL, 0);
			rdev->irq.hpd[3] = false;
			break;
		case RADEON_HPD_5:
			WREG32(DC_HPD5_CONTROL, 0);
			rdev->irq.hpd[4] = false;
			break;
		case RADEON_HPD_6:
			WREG32(DC_HPD6_CONTROL, 0);
			rdev->irq.hpd[5] = false;
			break;
		default:
			break;
		}
	}
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}

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/* watermark setup */

static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
					struct radeon_crtc *radeon_crtc,
					struct drm_display_mode *mode,
					struct drm_display_mode *other_mode)
{
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	u32 tmp;
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	/*
	 * Line Buffer Setup
	 * There are 3 line buffers, each one shared by 2 display controllers.
	 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
	 * the display controllers.  The paritioning is done via one of four
	 * preset allocations specified in bits 2:0:
	 * first display controller
	 *  0 - first half of lb (3840 * 2)
	 *  1 - first 3/4 of lb (5760 * 2)
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	 *  2 - whole lb (7680 * 2), other crtc must be disabled
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	 *  3 - first 1/4 of lb (1920 * 2)
	 * second display controller
	 *  4 - second half of lb (3840 * 2)
	 *  5 - second 3/4 of lb (5760 * 2)
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	 *  6 - whole lb (7680 * 2), other crtc must be disabled
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	 *  7 - last 1/4 of lb (1920 * 2)
	 */
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	/* this can get tricky if we have two large displays on a paired group
	 * of crtcs.  Ideally for multiple large displays we'd assign them to
	 * non-linked crtcs for maximum line buffer allocation.
	 */
	if (radeon_crtc->base.enabled && mode) {
		if (other_mode)
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			tmp = 0; /* 1/2 */
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		else
			tmp = 2; /* whole */
	} else
		tmp = 0;
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	/* second controller of the pair uses second half of the lb */
	if (radeon_crtc->crtc_id % 2)
		tmp += 4;
	WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);

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	if (radeon_crtc->base.enabled && mode) {
		switch (tmp) {
		case 0:
		case 4:
		default:
			if (ASIC_IS_DCE5(rdev))
				return 4096 * 2;
			else
				return 3840 * 2;
		case 1:
		case 5:
			if (ASIC_IS_DCE5(rdev))
				return 6144 * 2;
			else
				return 5760 * 2;
		case 2:
		case 6:
			if (ASIC_IS_DCE5(rdev))
				return 8192 * 2;
			else
				return 7680 * 2;
		case 3:
		case 7:
			if (ASIC_IS_DCE5(rdev))
				return 2048 * 2;
			else
				return 1920 * 2;
		}
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	}
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	/* controller not enabled, so no lb used */
	return 0;
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}

static u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev)
{
	u32 tmp = RREG32(MC_SHARED_CHMAP);

	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
	case 0:
	default:
		return 1;
	case 1:
		return 2;
	case 2:
		return 4;
	case 3:
		return 8;
	}
}

struct evergreen_wm_params {
	u32 dram_channels; /* number of dram channels */
	u32 yclk;          /* bandwidth per dram data pin in kHz */
	u32 sclk;          /* engine clock in kHz */
	u32 disp_clk;      /* display clock in kHz */
	u32 src_width;     /* viewport width */
	u32 active_time;   /* active display time in ns */
	u32 blank_time;    /* blank time in ns */
	bool interlaced;    /* mode is interlaced */
	fixed20_12 vsc;    /* vertical scale ratio */
	u32 num_heads;     /* number of active crtcs */
	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
	u32 lb_size;       /* line buffer allocated to pipe */
	u32 vtaps;         /* vertical scaler taps */
};

static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm)
{
	/* Calculate DRAM Bandwidth and the part allocated to display. */
	fixed20_12 dram_efficiency; /* 0.7 */
	fixed20_12 yclk, dram_channels, bandwidth;
	fixed20_12 a;

	a.full = dfixed_const(1000);
	yclk.full = dfixed_const(wm->yclk);
	yclk.full = dfixed_div(yclk, a);
	dram_channels.full = dfixed_const(wm->dram_channels * 4);
	a.full = dfixed_const(10);
	dram_efficiency.full = dfixed_const(7);
	dram_efficiency.full = dfixed_div(dram_efficiency, a);
	bandwidth.full = dfixed_mul(dram_channels, yclk);
	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);

	return dfixed_trunc(bandwidth);
}

static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
{
	/* Calculate DRAM Bandwidth and the part allocated to display. */
	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
	fixed20_12 yclk, dram_channels, bandwidth;
	fixed20_12 a;

	a.full = dfixed_const(1000);
	yclk.full = dfixed_const(wm->yclk);
	yclk.full = dfixed_div(yclk, a);
	dram_channels.full = dfixed_const(wm->dram_channels * 4);
	a.full = dfixed_const(10);
	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
	bandwidth.full = dfixed_mul(dram_channels, yclk);
	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);

	return dfixed_trunc(bandwidth);
}

static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm)
{
	/* Calculate the display Data return Bandwidth */
	fixed20_12 return_efficiency; /* 0.8 */
	fixed20_12 sclk, bandwidth;
	fixed20_12 a;

	a.full = dfixed_const(1000);
	sclk.full = dfixed_const(wm->sclk);
	sclk.full = dfixed_div(sclk, a);
	a.full = dfixed_const(10);
	return_efficiency.full = dfixed_const(8);
	return_efficiency.full = dfixed_div(return_efficiency, a);
	a.full = dfixed_const(32);
	bandwidth.full = dfixed_mul(a, sclk);
	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);

	return dfixed_trunc(bandwidth);
}

static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm)
{
	/* Calculate the DMIF Request Bandwidth */
	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
	fixed20_12 disp_clk, bandwidth;
	fixed20_12 a;

	a.full = dfixed_const(1000);
	disp_clk.full = dfixed_const(wm->disp_clk);
	disp_clk.full = dfixed_div(disp_clk, a);
	a.full = dfixed_const(10);
	disp_clk_request_efficiency.full = dfixed_const(8);
	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
	a.full = dfixed_const(32);
	bandwidth.full = dfixed_mul(a, disp_clk);
	bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency);

	return dfixed_trunc(bandwidth);
}

static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm)
{
	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
	u32 dram_bandwidth = evergreen_dram_bandwidth(wm);
	u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm);
	u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm);

	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
}

static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm)
{
	/* Calculate the display mode Average Bandwidth
	 * DisplayMode should contain the source and destination dimensions,
	 * timing, etc.
	 */
	fixed20_12 bpp;
	fixed20_12 line_time;
	fixed20_12 src_width;
	fixed20_12 bandwidth;
	fixed20_12 a;

	a.full = dfixed_const(1000);
	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
	line_time.full = dfixed_div(line_time, a);
	bpp.full = dfixed_const(wm->bytes_per_pixel);
	src_width.full = dfixed_const(wm->src_width);
	bandwidth.full = dfixed_mul(src_width, bpp);
	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
	bandwidth.full = dfixed_div(bandwidth, line_time);

	return dfixed_trunc(bandwidth);
}

static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm)
{
	/* First calcualte the latency in ns */
	u32 mc_latency = 2000; /* 2000 ns. */
	u32 available_bandwidth = evergreen_available_bandwidth(wm);
	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
		(wm->num_heads * cursor_line_pair_return_time);
	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
	fixed20_12 a, b, c;

	if (wm->num_heads == 0)
		return 0;

	a.full = dfixed_const(2);
	b.full = dfixed_const(1);
	if ((wm->vsc.full > a.full) ||
	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
	    (wm->vtaps >= 5) ||
	    ((wm->vsc.full >= a.full) && wm->interlaced))
		max_src_lines_per_dst_line = 4;
	else
		max_src_lines_per_dst_line = 2;

	a.full = dfixed_const(available_bandwidth);
	b.full = dfixed_const(wm->num_heads);
	a.full = dfixed_div(a, b);

	b.full = dfixed_const(1000);
	c.full = dfixed_const(wm->disp_clk);
	b.full = dfixed_div(c, b);
	c.full = dfixed_const(wm->bytes_per_pixel);
	b.full = dfixed_mul(b, c);

	lb_fill_bw = min(dfixed_trunc(a), dfixed_trunc(b));

	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
	b.full = dfixed_const(1000);
	c.full = dfixed_const(lb_fill_bw);
	b.full = dfixed_div(c, b);
	a.full = dfixed_div(a, b);
	line_fill_time = dfixed_trunc(a);

	if (line_fill_time < wm->active_time)
		return latency;
	else
		return latency + (line_fill_time - wm->active_time);

}

static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
{
	if (evergreen_average_bandwidth(wm) <=
	    (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads))
		return true;
	else
		return false;
};

static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm)
{
	if (evergreen_average_bandwidth(wm) <=
	    (evergreen_available_bandwidth(wm) / wm->num_heads))
		return true;
	else
		return false;
};

static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm)
{
	u32 lb_partitions = wm->lb_size / wm->src_width;
	u32 line_time = wm->active_time + wm->blank_time;
	u32 latency_tolerant_lines;
	u32 latency_hiding;
	fixed20_12 a;

	a.full = dfixed_const(1);
	if (wm->vsc.full > a.full)
		latency_tolerant_lines = 1;
	else {
		if (lb_partitions <= (wm->vtaps + 1))
			latency_tolerant_lines = 1;
		else
			latency_tolerant_lines = 2;
	}

	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);

	if (evergreen_latency_watermark(wm) <= latency_hiding)
		return true;
	else
		return false;
}

static void evergreen_program_watermarks(struct radeon_device *rdev,
					 struct radeon_crtc *radeon_crtc,
					 u32 lb_size, u32 num_heads)
{
	struct drm_display_mode *mode = &radeon_crtc->base.mode;
	struct evergreen_wm_params wm;
	u32 pixel_period;
	u32 line_time = 0;
	u32 latency_watermark_a = 0, latency_watermark_b = 0;
	u32 priority_a_mark = 0, priority_b_mark = 0;
	u32 priority_a_cnt = PRIORITY_OFF;
	u32 priority_b_cnt = PRIORITY_OFF;
	u32 pipe_offset = radeon_crtc->crtc_id * 16;
	u32 tmp, arb_control3;
	fixed20_12 a, b, c;

	if (radeon_crtc->base.enabled && num_heads && mode) {
		pixel_period = 1000000 / (u32)mode->clock;
		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
		priority_a_cnt = 0;
		priority_b_cnt = 0;

		wm.yclk = rdev->pm.current_mclk * 10;
		wm.sclk = rdev->pm.current_sclk * 10;
		wm.disp_clk = mode->clock;
		wm.src_width = mode->crtc_hdisplay;
		wm.active_time = mode->crtc_hdisplay * pixel_period;
		wm.blank_time = line_time - wm.active_time;
		wm.interlaced = false;
		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
			wm.interlaced = true;
		wm.vsc = radeon_crtc->vsc;
		wm.vtaps = 1;
		if (radeon_crtc->rmx_type != RMX_OFF)
			wm.vtaps = 2;
		wm.bytes_per_pixel = 4; /* XXX: get this from fb config */
		wm.lb_size = lb_size;
		wm.dram_channels = evergreen_get_number_of_dram_channels(rdev);
		wm.num_heads = num_heads;

		/* set for high clocks */
		latency_watermark_a = min(evergreen_latency_watermark(&wm), (u32)65535);
		/* set for low clocks */
		/* wm.yclk = low clk; wm.sclk = low clk */
		latency_watermark_b = min(evergreen_latency_watermark(&wm), (u32)65535);

		/* possibly force display priority to high */
		/* should really do this at mode validation time... */
		if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm) ||
		    !evergreen_average_bandwidth_vs_available_bandwidth(&wm) ||
		    !evergreen_check_latency_hiding(&wm) ||
		    (rdev->disp_priority == 2)) {
			DRM_INFO("force priority to high\n");
			priority_a_cnt |= PRIORITY_ALWAYS_ON;
			priority_b_cnt |= PRIORITY_ALWAYS_ON;
		}

		a.full = dfixed_const(1000);
		b.full = dfixed_const(mode->clock);
		b.full = dfixed_div(b, a);
		c.full = dfixed_const(latency_watermark_a);
		c.full = dfixed_mul(c, b);
		c.full = dfixed_mul(c, radeon_crtc->hsc);
		c.full = dfixed_div(c, a);
		a.full = dfixed_const(16);
		c.full = dfixed_div(c, a);
		priority_a_mark = dfixed_trunc(c);
		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;

		a.full = dfixed_const(1000);
		b.full = dfixed_const(mode->clock);
		b.full = dfixed_div(b, a);
		c.full = dfixed_const(latency_watermark_b);
		c.full = dfixed_mul(c, b);
		c.full = dfixed_mul(c, radeon_crtc->hsc);
		c.full = dfixed_div(c, a);
		a.full = dfixed_const(16);
		c.full = dfixed_div(c, a);
		priority_b_mark = dfixed_trunc(c);
		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
	}

	/* select wm A */
	arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
	tmp = arb_control3;
	tmp &= ~LATENCY_WATERMARK_MASK(3);
	tmp |= LATENCY_WATERMARK_MASK(1);
	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
	       (LATENCY_LOW_WATERMARK(latency_watermark_a) |
		LATENCY_HIGH_WATERMARK(line_time)));
	/* select wm B */
	tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
	tmp &= ~LATENCY_WATERMARK_MASK(3);
	tmp |= LATENCY_WATERMARK_MASK(2);
	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
	       (LATENCY_LOW_WATERMARK(latency_watermark_b) |
		LATENCY_HIGH_WATERMARK(line_time)));
	/* restore original selection */
	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3);

	/* write the priority marks */
	WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
	WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);

}

777
void evergreen_bandwidth_update(struct radeon_device *rdev)
778
{
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	struct drm_display_mode *mode0 = NULL;
	struct drm_display_mode *mode1 = NULL;
	u32 num_heads = 0, lb_size;
	int i;

	radeon_update_display_priority(rdev);

	for (i = 0; i < rdev->num_crtc; i++) {
		if (rdev->mode_info.crtcs[i]->base.enabled)
			num_heads++;
	}
	for (i = 0; i < rdev->num_crtc; i += 2) {
		mode0 = &rdev->mode_info.crtcs[i]->base.mode;
		mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
	}
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}

800
int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
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{
	unsigned i;
	u32 tmp;

	for (i = 0; i < rdev->usec_timeout; i++) {
		/* read MC_STATUS */
		tmp = RREG32(SRBM_STATUS) & 0x1F00;
		if (!tmp)
			return 0;
		udelay(1);
	}
	return -1;
}

/*
 * GART
 */
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void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
{
	unsigned i;
	u32 tmp;

823 824
	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);

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	WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
	for (i = 0; i < rdev->usec_timeout; i++) {
		/* read MC_STATUS */
		tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
		tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
		if (tmp == 2) {
			printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
			return;
		}
		if (tmp) {
			return;
		}
		udelay(1);
	}
}

841 842 843
int evergreen_pcie_gart_enable(struct radeon_device *rdev)
{
	u32 tmp;
844
	int r;
845 846 847 848 849 850 851 852

	if (rdev->gart.table.vram.robj == NULL) {
		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
		return -EINVAL;
	}
	r = radeon_gart_table_vram_pin(rdev);
	if (r)
		return r;
853
	radeon_gart_restore(rdev);
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	/* Setup L2 cache */
	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
				EFFECTIVE_L2_QUEUE_SIZE(7));
	WREG32(VM_L2_CNTL2, 0);
	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
	/* Setup TLB control */
	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
			(u32)(rdev->dummy_page.addr >> 12));
879
	WREG32(VM_CONTEXT1_CNTL, 0);
880

881
	evergreen_pcie_gart_tlb_flush(rdev);
882 883 884 885 886 887 888
	rdev->gart.ready = true;
	return 0;
}

void evergreen_pcie_gart_disable(struct radeon_device *rdev)
{
	u32 tmp;
889
	int r;
890 891

	/* Disable all tables */
892 893
	WREG32(VM_CONTEXT0_CNTL, 0);
	WREG32(VM_CONTEXT1_CNTL, 0);
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	/* Setup L2 cache */
	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
				EFFECTIVE_L2_QUEUE_SIZE(7));
	WREG32(VM_L2_CNTL2, 0);
	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
	/* Setup TLB control */
	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
	if (rdev->gart.table.vram.robj) {
		r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
		if (likely(r == 0)) {
			radeon_bo_kunmap(rdev->gart.table.vram.robj);
			radeon_bo_unpin(rdev->gart.table.vram.robj);
			radeon_bo_unreserve(rdev->gart.table.vram.robj);
		}
	}
}

void evergreen_pcie_gart_fini(struct radeon_device *rdev)
{
	evergreen_pcie_gart_disable(rdev);
	radeon_gart_table_vram_free(rdev);
	radeon_gart_fini(rdev);
}


void evergreen_agp_enable(struct radeon_device *rdev)
{
	u32 tmp;

	/* Setup L2 cache */
	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
				EFFECTIVE_L2_QUEUE_SIZE(7));
	WREG32(VM_L2_CNTL2, 0);
	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
	/* Setup TLB control */
	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
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	WREG32(VM_CONTEXT0_CNTL, 0);
	WREG32(VM_CONTEXT1_CNTL, 0);
951 952
}

953
void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
954 955 956 957 958 959 960 961 962 963 964
{
	save->vga_control[0] = RREG32(D1VGA_CONTROL);
	save->vga_control[1] = RREG32(D2VGA_CONTROL);
	save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL);
	save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL);
	save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL);
	save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL);
	save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
	save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
	save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
	save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
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	if (!(rdev->flags & RADEON_IS_IGP)) {
		save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
		save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
		save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
		save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
	}
971 972 973 974 975

	/* Stop all video */
	WREG32(VGA_RENDER_CONTROL, 0);
	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
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	if (!(rdev->flags & RADEON_IS_IGP)) {
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
	}
982 983
	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
984 985 986 987 988 989
	if (!(rdev->flags & RADEON_IS_IGP)) {
		WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
		WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
		WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
		WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
	}
990 991
	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
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	if (!(rdev->flags & RADEON_IS_IGP)) {
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
	}
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	WREG32(D1VGA_CONTROL, 0);
	WREG32(D2VGA_CONTROL, 0);
	WREG32(EVERGREEN_D3VGA_CONTROL, 0);
	WREG32(EVERGREEN_D4VGA_CONTROL, 0);
	WREG32(EVERGREEN_D5VGA_CONTROL, 0);
	WREG32(EVERGREEN_D6VGA_CONTROL, 0);
}

1007
void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026
{
	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
	       upper_32_bits(rdev->mc.vram_start));
	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
	       upper_32_bits(rdev->mc.vram_start));
	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
	       (u32)rdev->mc.vram_start);
	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
	       (u32)rdev->mc.vram_start);

	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
	       upper_32_bits(rdev->mc.vram_start));
	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
	       upper_32_bits(rdev->mc.vram_start));
	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
	       (u32)rdev->mc.vram_start);
	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
	       (u32)rdev->mc.vram_start);

1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063
	if (!(rdev->flags & RADEON_IS_IGP)) {
		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
		       upper_32_bits(rdev->mc.vram_start));
		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
		       upper_32_bits(rdev->mc.vram_start));
		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
		       (u32)rdev->mc.vram_start);
		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
		       (u32)rdev->mc.vram_start);

		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
		       upper_32_bits(rdev->mc.vram_start));
		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
		       upper_32_bits(rdev->mc.vram_start));
		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
		       (u32)rdev->mc.vram_start);
		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
		       (u32)rdev->mc.vram_start);

		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
		       upper_32_bits(rdev->mc.vram_start));
		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
		       upper_32_bits(rdev->mc.vram_start));
		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
		       (u32)rdev->mc.vram_start);
		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
		       (u32)rdev->mc.vram_start);

		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
		       upper_32_bits(rdev->mc.vram_start));
		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
		       upper_32_bits(rdev->mc.vram_start));
		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
		       (u32)rdev->mc.vram_start);
		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
		       (u32)rdev->mc.vram_start);
	}
1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078

	WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
	WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
	/* Unlock host access */
	WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
	mdelay(1);
	/* Restore video state */
	WREG32(D1VGA_CONTROL, save->vga_control[0]);
	WREG32(D2VGA_CONTROL, save->vga_control[1]);
	WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]);
	WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]);
	WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]);
	WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]);
	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
1079 1080 1081 1082 1083 1084
	if (!(rdev->flags & RADEON_IS_IGP)) {
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
	}
1085 1086
	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]);
	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]);
1087 1088 1089 1090 1091 1092
	if (!(rdev->flags & RADEON_IS_IGP)) {
		WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]);
		WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]);
		WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]);
		WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]);
	}
1093 1094
	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
1095 1096 1097 1098 1099 1100
	if (!(rdev->flags & RADEON_IS_IGP)) {
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
		WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
	}
1101 1102 1103
	WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
}

1104
void evergreen_mc_program(struct radeon_device *rdev)
1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147
{
	struct evergreen_mc_save save;
	u32 tmp;
	int i, j;

	/* Initialize HDP */
	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
		WREG32((0x2c14 + j), 0x00000000);
		WREG32((0x2c18 + j), 0x00000000);
		WREG32((0x2c1c + j), 0x00000000);
		WREG32((0x2c20 + j), 0x00000000);
		WREG32((0x2c24 + j), 0x00000000);
	}
	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);

	evergreen_mc_stop(rdev, &save);
	if (evergreen_mc_wait_for_idle(rdev)) {
		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
	}
	/* Lockout access through VGA aperture*/
	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
	/* Update configuration */
	if (rdev->flags & RADEON_IS_AGP) {
		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
			/* VRAM before AGP */
			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
				rdev->mc.vram_start >> 12);
			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
				rdev->mc.gtt_end >> 12);
		} else {
			/* VRAM after AGP */
			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
				rdev->mc.gtt_start >> 12);
			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
				rdev->mc.vram_end >> 12);
		}
	} else {
		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
			rdev->mc.vram_start >> 12);
		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
			rdev->mc.vram_end >> 12);
	}
	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
1148 1149 1150 1151 1152 1153
	if (rdev->flags & RADEON_IS_IGP) {
		tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
		tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
		tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
		WREG32(MC_FUS_VM_FB_OFFSET, tmp);
	}
1154 1155 1156 1157
	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
	WREG32(MC_VM_FB_LOCATION, tmp);
	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1158
	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
1159
	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180
	if (rdev->flags & RADEON_IS_AGP) {
		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
	} else {
		WREG32(MC_VM_AGP_BASE, 0);
		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
	}
	if (evergreen_mc_wait_for_idle(rdev)) {
		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
	}
	evergreen_mc_resume(rdev, &save);
	/* we need to own VRAM, so turn off the VGA renderer here
	 * to stop it overwriting our objects */
	rv515_vga_render_disable(rdev);
}

/*
 * CP.
 */
1181 1182 1183 1184 1185 1186 1187
void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
{
	/* set to DX10/11 mode */
	radeon_ring_write(rdev, PACKET3(PACKET3_MODE_CONTROL, 0));
	radeon_ring_write(rdev, 1);
	/* FIXME: implement */
	radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1188 1189 1190 1191 1192
	radeon_ring_write(rdev,
#ifdef __BIG_ENDIAN
			  (2 << 0) |
#endif
			  (ib->gpu_addr & 0xFFFFFFFC));
1193 1194 1195 1196
	radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF);
	radeon_ring_write(rdev, ib->length_dw);
}

1197 1198 1199

static int evergreen_cp_load_microcode(struct radeon_device *rdev)
{
1200 1201 1202 1203 1204
	const __be32 *fw_data;
	int i;

	if (!rdev->me_fw || !rdev->pfp_fw)
		return -EINVAL;
1205

1206
	r700_cp_stop(rdev);
1207 1208 1209 1210 1211
	WREG32(CP_RB_CNTL,
#ifdef __BIG_ENDIAN
	       BUF_SWAP_32BIT |
#endif
	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226

	fw_data = (const __be32 *)rdev->pfp_fw->data;
	WREG32(CP_PFP_UCODE_ADDR, 0);
	for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
	WREG32(CP_PFP_UCODE_ADDR, 0);

	fw_data = (const __be32 *)rdev->me_fw->data;
	WREG32(CP_ME_RAM_WADDR, 0);
	for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));

	WREG32(CP_PFP_UCODE_ADDR, 0);
	WREG32(CP_ME_RAM_WADDR, 0);
	WREG32(CP_ME_RAM_RADDR, 0);
1227 1228 1229
	return 0;
}

1230 1231
static int evergreen_cp_start(struct radeon_device *rdev)
{
1232
	int r, i;
1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251
	uint32_t cp_me;

	r = radeon_ring_lock(rdev, 7);
	if (r) {
		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
		return r;
	}
	radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
	radeon_ring_write(rdev, 0x1);
	radeon_ring_write(rdev, 0x0);
	radeon_ring_write(rdev, rdev->config.evergreen.max_hw_contexts - 1);
	radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
	radeon_ring_write(rdev, 0);
	radeon_ring_write(rdev, 0);
	radeon_ring_unlock_commit(rdev);

	cp_me = 0xff;
	WREG32(CP_ME_CNTL, cp_me);

1252
	r = radeon_ring_lock(rdev, evergreen_default_size + 19);
1253 1254 1255 1256
	if (r) {
		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
		return r;
	}
1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284

	/* setup clear context state */
	radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
	radeon_ring_write(rdev, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);

	for (i = 0; i < evergreen_default_size; i++)
		radeon_ring_write(rdev, evergreen_default_state[i]);

	radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
	radeon_ring_write(rdev, PACKET3_PREAMBLE_END_CLEAR_STATE);

	/* set clear context state */
	radeon_ring_write(rdev, PACKET3(PACKET3_CLEAR_STATE, 0));
	radeon_ring_write(rdev, 0);

	/* SQ_VTX_BASE_VTX_LOC */
	radeon_ring_write(rdev, 0xc0026f00);
	radeon_ring_write(rdev, 0x00000000);
	radeon_ring_write(rdev, 0x00000000);
	radeon_ring_write(rdev, 0x00000000);

	/* Clear consts */
	radeon_ring_write(rdev, 0xc0036f00);
	radeon_ring_write(rdev, 0x00000bc4);
	radeon_ring_write(rdev, 0xffffffff);
	radeon_ring_write(rdev, 0xffffffff);
	radeon_ring_write(rdev, 0xffffffff);

1285 1286 1287 1288 1289
	radeon_ring_write(rdev, 0xc0026900);
	radeon_ring_write(rdev, 0x00000316);
	radeon_ring_write(rdev, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
	radeon_ring_write(rdev, 0x00000010); /*  */

1290 1291 1292 1293 1294
	radeon_ring_unlock_commit(rdev);

	return 0;
}

1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313
int evergreen_cp_resume(struct radeon_device *rdev)
{
	u32 tmp;
	u32 rb_bufsz;
	int r;

	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
				 SOFT_RESET_PA |
				 SOFT_RESET_SH |
				 SOFT_RESET_VGT |
				 SOFT_RESET_SX));
	RREG32(GRBM_SOFT_RESET);
	mdelay(15);
	WREG32(GRBM_SOFT_RESET, 0);
	RREG32(GRBM_SOFT_RESET);

	/* Set ring buffer size */
	rb_bufsz = drm_order(rdev->cp.ring_size / 8);
1314
	tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1315 1316
#ifdef __BIG_ENDIAN
	tmp |= BUF_SWAP_32BIT;
1317
#endif
1318 1319 1320 1321 1322 1323 1324 1325 1326 1327
	WREG32(CP_RB_CNTL, tmp);
	WREG32(CP_SEM_WAIT_TIMER, 0x4);

	/* Set the write pointer delay */
	WREG32(CP_RB_WPTR_DELAY, 0);

	/* Initialize the ring buffer's read and write pointers */
	WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
	WREG32(CP_RB_RPTR_WR, 0);
	WREG32(CP_RB_WPTR, 0);
1328 1329

	/* set the wb address wether it's enabled or not */
1330 1331 1332 1333 1334
	WREG32(CP_RB_RPTR_ADDR,
#ifdef __BIG_ENDIAN
	       RB_RPTR_SWAP(2) |
#endif
	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
1335 1336 1337 1338 1339 1340 1341 1342 1343 1344
	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);

	if (rdev->wb.enabled)
		WREG32(SCRATCH_UMSK, 0xff);
	else {
		tmp |= RB_NO_UPDATE;
		WREG32(SCRATCH_UMSK, 0);
	}

1345 1346 1347 1348 1349 1350 1351 1352 1353
	mdelay(1);
	WREG32(CP_RB_CNTL, tmp);

	WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
	WREG32(CP_DEBUG, (1 << 27) | (1 << 28));

	rdev->cp.rptr = RREG32(CP_RB_RPTR);
	rdev->cp.wptr = RREG32(CP_RB_WPTR);

1354
	evergreen_cp_start(rdev);
1355 1356 1357 1358 1359 1360 1361 1362
	rdev->cp.ready = true;
	r = radeon_ring_test(rdev);
	if (r) {
		rdev->cp.ready = false;
		return r;
	}
	return 0;
}
1363 1364 1365 1366

/*
 * Core functions
 */
1367 1368
static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
						  u32 num_tile_pipes,
1369 1370 1371 1372
						  u32 num_backends,
						  u32 backend_disable_mask)
{
	u32 backend_map = 0;
1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410
	u32 enabled_backends_mask = 0;
	u32 enabled_backends_count = 0;
	u32 cur_pipe;
	u32 swizzle_pipe[EVERGREEN_MAX_PIPES];
	u32 cur_backend = 0;
	u32 i;
	bool force_no_swizzle;

	if (num_tile_pipes > EVERGREEN_MAX_PIPES)
		num_tile_pipes = EVERGREEN_MAX_PIPES;
	if (num_tile_pipes < 1)
		num_tile_pipes = 1;
	if (num_backends > EVERGREEN_MAX_BACKENDS)
		num_backends = EVERGREEN_MAX_BACKENDS;
	if (num_backends < 1)
		num_backends = 1;

	for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
		if (((backend_disable_mask >> i) & 1) == 0) {
			enabled_backends_mask |= (1 << i);
			++enabled_backends_count;
		}
		if (enabled_backends_count == num_backends)
			break;
	}

	if (enabled_backends_count == 0) {
		enabled_backends_mask = 1;
		enabled_backends_count = 1;
	}

	if (enabled_backends_count != num_backends)
		num_backends = enabled_backends_count;

	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * EVERGREEN_MAX_PIPES);
	switch (rdev->family) {
	case CHIP_CEDAR:
	case CHIP_REDWOOD:
1411
	case CHIP_PALM:
1412 1413
	case CHIP_TURKS:
	case CHIP_CAICOS:
1414 1415 1416 1417 1418
		force_no_swizzle = false;
		break;
	case CHIP_CYPRESS:
	case CHIP_HEMLOCK:
	case CHIP_JUNIPER:
1419
	case CHIP_BARTS:
1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509
	default:
		force_no_swizzle = true;
		break;
	}
	if (force_no_swizzle) {
		bool last_backend_enabled = false;

		force_no_swizzle = false;
		for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
			if (((enabled_backends_mask >> i) & 1) == 1) {
				if (last_backend_enabled)
					force_no_swizzle = true;
				last_backend_enabled = true;
			} else
				last_backend_enabled = false;
		}
	}

	switch (num_tile_pipes) {
	case 1:
	case 3:
	case 5:
	case 7:
		DRM_ERROR("odd number of pipes!\n");
		break;
	case 2:
		swizzle_pipe[0] = 0;
		swizzle_pipe[1] = 1;
		break;
	case 4:
		if (force_no_swizzle) {
			swizzle_pipe[0] = 0;
			swizzle_pipe[1] = 1;
			swizzle_pipe[2] = 2;
			swizzle_pipe[3] = 3;
		} else {
			swizzle_pipe[0] = 0;
			swizzle_pipe[1] = 2;
			swizzle_pipe[2] = 1;
			swizzle_pipe[3] = 3;
		}
		break;
	case 6:
		if (force_no_swizzle) {
			swizzle_pipe[0] = 0;
			swizzle_pipe[1] = 1;
			swizzle_pipe[2] = 2;
			swizzle_pipe[3] = 3;
			swizzle_pipe[4] = 4;
			swizzle_pipe[5] = 5;
		} else {
			swizzle_pipe[0] = 0;
			swizzle_pipe[1] = 2;
			swizzle_pipe[2] = 4;
			swizzle_pipe[3] = 1;
			swizzle_pipe[4] = 3;
			swizzle_pipe[5] = 5;
		}
		break;
	case 8:
		if (force_no_swizzle) {
			swizzle_pipe[0] = 0;
			swizzle_pipe[1] = 1;
			swizzle_pipe[2] = 2;
			swizzle_pipe[3] = 3;
			swizzle_pipe[4] = 4;
			swizzle_pipe[5] = 5;
			swizzle_pipe[6] = 6;
			swizzle_pipe[7] = 7;
		} else {
			swizzle_pipe[0] = 0;
			swizzle_pipe[1] = 2;
			swizzle_pipe[2] = 4;
			swizzle_pipe[3] = 6;
			swizzle_pipe[4] = 1;
			swizzle_pipe[5] = 3;
			swizzle_pipe[6] = 5;
			swizzle_pipe[7] = 7;
		}
		break;
	}

	for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
		while (((1 << cur_backend) & enabled_backends_mask) == 0)
			cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;

		backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));

		cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
	}
1510 1511 1512 1513

	return backend_map;
}

1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532
static void evergreen_program_channel_remap(struct radeon_device *rdev)
{
	u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp;

	tmp = RREG32(MC_SHARED_CHMAP);
	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
	case 0:
	case 1:
	case 2:
	case 3:
	default:
		/* default mapping */
		mc_shared_chremap = 0x00fac688;
		break;
	}

	switch (rdev->family) {
	case CHIP_HEMLOCK:
	case CHIP_CYPRESS:
1533
	case CHIP_BARTS:
1534 1535 1536 1537 1538 1539
		tcp_chan_steer_lo = 0x54763210;
		tcp_chan_steer_hi = 0x0000ba98;
		break;
	case CHIP_JUNIPER:
	case CHIP_REDWOOD:
	case CHIP_CEDAR:
1540
	case CHIP_PALM:
1541 1542
	case CHIP_TURKS:
	case CHIP_CAICOS:
1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553
	default:
		tcp_chan_steer_lo = 0x76543210;
		tcp_chan_steer_hi = 0x0000ba98;
		break;
	}

	WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo);
	WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi);
	WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
}

1554 1555
static void evergreen_gpu_init(struct radeon_device *rdev)
{
1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660
	u32 cc_rb_backend_disable = 0;
	u32 cc_gc_shader_pipe_config;
	u32 gb_addr_config = 0;
	u32 mc_shared_chmap, mc_arb_ramcfg;
	u32 gb_backend_map;
	u32 grbm_gfx_index;
	u32 sx_debug_1;
	u32 smx_dc_ctl0;
	u32 sq_config;
	u32 sq_lds_resource_mgmt;
	u32 sq_gpr_resource_mgmt_1;
	u32 sq_gpr_resource_mgmt_2;
	u32 sq_gpr_resource_mgmt_3;
	u32 sq_thread_resource_mgmt;
	u32 sq_thread_resource_mgmt_2;
	u32 sq_stack_resource_mgmt_1;
	u32 sq_stack_resource_mgmt_2;
	u32 sq_stack_resource_mgmt_3;
	u32 vgt_cache_invalidation;
	u32 hdp_host_path_cntl;
	int i, j, num_shader_engines, ps_thread_count;

	switch (rdev->family) {
	case CHIP_CYPRESS:
	case CHIP_HEMLOCK:
		rdev->config.evergreen.num_ses = 2;
		rdev->config.evergreen.max_pipes = 4;
		rdev->config.evergreen.max_tile_pipes = 8;
		rdev->config.evergreen.max_simds = 10;
		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
		rdev->config.evergreen.max_gprs = 256;
		rdev->config.evergreen.max_threads = 248;
		rdev->config.evergreen.max_gs_threads = 32;
		rdev->config.evergreen.max_stack_entries = 512;
		rdev->config.evergreen.sx_num_of_sets = 4;
		rdev->config.evergreen.sx_max_export_size = 256;
		rdev->config.evergreen.sx_max_export_pos_size = 64;
		rdev->config.evergreen.sx_max_export_smx_size = 192;
		rdev->config.evergreen.max_hw_contexts = 8;
		rdev->config.evergreen.sq_num_cf_insts = 2;

		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
		break;
	case CHIP_JUNIPER:
		rdev->config.evergreen.num_ses = 1;
		rdev->config.evergreen.max_pipes = 4;
		rdev->config.evergreen.max_tile_pipes = 4;
		rdev->config.evergreen.max_simds = 10;
		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
		rdev->config.evergreen.max_gprs = 256;
		rdev->config.evergreen.max_threads = 248;
		rdev->config.evergreen.max_gs_threads = 32;
		rdev->config.evergreen.max_stack_entries = 512;
		rdev->config.evergreen.sx_num_of_sets = 4;
		rdev->config.evergreen.sx_max_export_size = 256;
		rdev->config.evergreen.sx_max_export_pos_size = 64;
		rdev->config.evergreen.sx_max_export_smx_size = 192;
		rdev->config.evergreen.max_hw_contexts = 8;
		rdev->config.evergreen.sq_num_cf_insts = 2;

		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
		break;
	case CHIP_REDWOOD:
		rdev->config.evergreen.num_ses = 1;
		rdev->config.evergreen.max_pipes = 4;
		rdev->config.evergreen.max_tile_pipes = 4;
		rdev->config.evergreen.max_simds = 5;
		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
		rdev->config.evergreen.max_gprs = 256;
		rdev->config.evergreen.max_threads = 248;
		rdev->config.evergreen.max_gs_threads = 32;
		rdev->config.evergreen.max_stack_entries = 256;
		rdev->config.evergreen.sx_num_of_sets = 4;
		rdev->config.evergreen.sx_max_export_size = 256;
		rdev->config.evergreen.sx_max_export_pos_size = 64;
		rdev->config.evergreen.sx_max_export_smx_size = 192;
		rdev->config.evergreen.max_hw_contexts = 8;
		rdev->config.evergreen.sq_num_cf_insts = 2;

		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
		break;
	case CHIP_CEDAR:
	default:
		rdev->config.evergreen.num_ses = 1;
		rdev->config.evergreen.max_pipes = 2;
		rdev->config.evergreen.max_tile_pipes = 2;
		rdev->config.evergreen.max_simds = 2;
		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
		rdev->config.evergreen.max_gprs = 256;
		rdev->config.evergreen.max_threads = 192;
		rdev->config.evergreen.max_gs_threads = 16;
		rdev->config.evergreen.max_stack_entries = 256;
		rdev->config.evergreen.sx_num_of_sets = 4;
		rdev->config.evergreen.sx_max_export_size = 128;
		rdev->config.evergreen.sx_max_export_pos_size = 32;
		rdev->config.evergreen.sx_max_export_smx_size = 96;
		rdev->config.evergreen.max_hw_contexts = 4;
		rdev->config.evergreen.sq_num_cf_insts = 1;

1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
		break;
	case CHIP_PALM:
		rdev->config.evergreen.num_ses = 1;
		rdev->config.evergreen.max_pipes = 2;
		rdev->config.evergreen.max_tile_pipes = 2;
		rdev->config.evergreen.max_simds = 2;
		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
		rdev->config.evergreen.max_gprs = 256;
		rdev->config.evergreen.max_threads = 192;
		rdev->config.evergreen.max_gs_threads = 16;
		rdev->config.evergreen.max_stack_entries = 256;
		rdev->config.evergreen.sx_num_of_sets = 4;
		rdev->config.evergreen.sx_max_export_size = 128;
		rdev->config.evergreen.sx_max_export_pos_size = 32;
		rdev->config.evergreen.sx_max_export_smx_size = 96;
		rdev->config.evergreen.max_hw_contexts = 4;
		rdev->config.evergreen.sq_num_cf_insts = 1;

1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
		break;
	case CHIP_BARTS:
		rdev->config.evergreen.num_ses = 2;
		rdev->config.evergreen.max_pipes = 4;
		rdev->config.evergreen.max_tile_pipes = 8;
		rdev->config.evergreen.max_simds = 7;
		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
		rdev->config.evergreen.max_gprs = 256;
		rdev->config.evergreen.max_threads = 248;
		rdev->config.evergreen.max_gs_threads = 32;
		rdev->config.evergreen.max_stack_entries = 512;
		rdev->config.evergreen.sx_num_of_sets = 4;
		rdev->config.evergreen.sx_max_export_size = 256;
		rdev->config.evergreen.sx_max_export_pos_size = 64;
		rdev->config.evergreen.sx_max_export_smx_size = 192;
		rdev->config.evergreen.max_hw_contexts = 8;
		rdev->config.evergreen.sq_num_cf_insts = 2;

		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
		break;
	case CHIP_TURKS:
		rdev->config.evergreen.num_ses = 1;
		rdev->config.evergreen.max_pipes = 4;
		rdev->config.evergreen.max_tile_pipes = 4;
		rdev->config.evergreen.max_simds = 6;
		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
		rdev->config.evergreen.max_gprs = 256;
		rdev->config.evergreen.max_threads = 248;
		rdev->config.evergreen.max_gs_threads = 32;
		rdev->config.evergreen.max_stack_entries = 256;
		rdev->config.evergreen.sx_num_of_sets = 4;
		rdev->config.evergreen.sx_max_export_size = 256;
		rdev->config.evergreen.sx_max_export_pos_size = 64;
		rdev->config.evergreen.sx_max_export_smx_size = 192;
		rdev->config.evergreen.max_hw_contexts = 8;
		rdev->config.evergreen.sq_num_cf_insts = 2;

		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
		break;
	case CHIP_CAICOS:
		rdev->config.evergreen.num_ses = 1;
		rdev->config.evergreen.max_pipes = 4;
		rdev->config.evergreen.max_tile_pipes = 2;
		rdev->config.evergreen.max_simds = 2;
		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
		rdev->config.evergreen.max_gprs = 256;
		rdev->config.evergreen.max_threads = 192;
		rdev->config.evergreen.max_gs_threads = 16;
		rdev->config.evergreen.max_stack_entries = 256;
		rdev->config.evergreen.sx_num_of_sets = 4;
		rdev->config.evergreen.sx_max_export_size = 128;
		rdev->config.evergreen.sx_max_export_pos_size = 32;
		rdev->config.evergreen.sx_max_export_smx_size = 96;
		rdev->config.evergreen.max_hw_contexts = 4;
		rdev->config.evergreen.sq_num_cf_insts = 1;

1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862
		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
		break;
	}

	/* Initialize HDP */
	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
		WREG32((0x2c14 + j), 0x00000000);
		WREG32((0x2c18 + j), 0x00000000);
		WREG32((0x2c1c + j), 0x00000000);
		WREG32((0x2c20 + j), 0x00000000);
		WREG32((0x2c24 + j), 0x00000000);
	}

	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));

	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & ~2;

	cc_gc_shader_pipe_config |=
		INACTIVE_QD_PIPES((EVERGREEN_MAX_PIPES_MASK << rdev->config.evergreen.max_pipes)
				  & EVERGREEN_MAX_PIPES_MASK);
	cc_gc_shader_pipe_config |=
		INACTIVE_SIMDS((EVERGREEN_MAX_SIMDS_MASK << rdev->config.evergreen.max_simds)
			       & EVERGREEN_MAX_SIMDS_MASK);

	cc_rb_backend_disable =
		BACKEND_DISABLE((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends)
				& EVERGREEN_MAX_BACKENDS_MASK);


	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);

	switch (rdev->config.evergreen.max_tile_pipes) {
	case 1:
	default:
		gb_addr_config |= NUM_PIPES(0);
		break;
	case 2:
		gb_addr_config |= NUM_PIPES(1);
		break;
	case 4:
		gb_addr_config |= NUM_PIPES(2);
		break;
	case 8:
		gb_addr_config |= NUM_PIPES(3);
		break;
	}

	gb_addr_config |= PIPE_INTERLEAVE_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
	gb_addr_config |= BANK_INTERLEAVE_SIZE(0);
	gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.evergreen.num_ses - 1);
	gb_addr_config |= SHADER_ENGINE_TILE_SIZE(1);
	gb_addr_config |= NUM_GPUS(0); /* Hemlock? */
	gb_addr_config |= MULTI_GPU_TILE_SIZE(2);

	if (((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT) > 2)
		gb_addr_config |= ROW_SIZE(2);
	else
		gb_addr_config |= ROW_SIZE((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT);

	if (rdev->ddev->pdev->device == 0x689e) {
		u32 efuse_straps_4;
		u32 efuse_straps_3;
		u8 efuse_box_bit_131_124;

		WREG32(RCU_IND_INDEX, 0x204);
		efuse_straps_4 = RREG32(RCU_IND_DATA);
		WREG32(RCU_IND_INDEX, 0x203);
		efuse_straps_3 = RREG32(RCU_IND_DATA);
		efuse_box_bit_131_124 = (u8)(((efuse_straps_4 & 0xf) << 4) | ((efuse_straps_3 & 0xf0000000) >> 28));

		switch(efuse_box_bit_131_124) {
		case 0x00:
			gb_backend_map = 0x76543210;
			break;
		case 0x55:
			gb_backend_map = 0x77553311;
			break;
		case 0x56:
			gb_backend_map = 0x77553300;
			break;
		case 0x59:
			gb_backend_map = 0x77552211;
			break;
		case 0x66:
			gb_backend_map = 0x77443300;
			break;
		case 0x99:
			gb_backend_map = 0x66552211;
			break;
		case 0x5a:
			gb_backend_map = 0x77552200;
			break;
		case 0xaa:
			gb_backend_map = 0x66442200;
			break;
		case 0x95:
			gb_backend_map = 0x66553311;
			break;
		default:
			DRM_ERROR("bad backend map, using default\n");
			gb_backend_map =
				evergreen_get_tile_pipe_to_backend_map(rdev,
								       rdev->config.evergreen.max_tile_pipes,
								       rdev->config.evergreen.max_backends,
								       ((EVERGREEN_MAX_BACKENDS_MASK <<
								   rdev->config.evergreen.max_backends) &
									EVERGREEN_MAX_BACKENDS_MASK));
			break;
		}
	} else if (rdev->ddev->pdev->device == 0x68b9) {
		u32 efuse_straps_3;
		u8 efuse_box_bit_127_124;

		WREG32(RCU_IND_INDEX, 0x203);
		efuse_straps_3 = RREG32(RCU_IND_DATA);
1863
		efuse_box_bit_127_124 = (u8)((efuse_straps_3 & 0xF0000000) >> 28);
1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885

		switch(efuse_box_bit_127_124) {
		case 0x0:
			gb_backend_map = 0x00003210;
			break;
		case 0x5:
		case 0x6:
		case 0x9:
		case 0xa:
			gb_backend_map = 0x00003311;
			break;
		default:
			DRM_ERROR("bad backend map, using default\n");
			gb_backend_map =
				evergreen_get_tile_pipe_to_backend_map(rdev,
								       rdev->config.evergreen.max_tile_pipes,
								       rdev->config.evergreen.max_backends,
								       ((EVERGREEN_MAX_BACKENDS_MASK <<
								   rdev->config.evergreen.max_backends) &
									EVERGREEN_MAX_BACKENDS_MASK));
			break;
		}
1886 1887 1888 1889
	} else {
		switch (rdev->family) {
		case CHIP_CYPRESS:
		case CHIP_HEMLOCK:
1890
		case CHIP_BARTS:
1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905
			gb_backend_map = 0x66442200;
			break;
		case CHIP_JUNIPER:
			gb_backend_map = 0x00006420;
			break;
		default:
			gb_backend_map =
				evergreen_get_tile_pipe_to_backend_map(rdev,
								       rdev->config.evergreen.max_tile_pipes,
								       rdev->config.evergreen.max_backends,
								       ((EVERGREEN_MAX_BACKENDS_MASK <<
									 rdev->config.evergreen.max_backends) &
									EVERGREEN_MAX_BACKENDS_MASK));
		}
	}
1906

1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936
	/* setup tiling info dword.  gb_addr_config is not adequate since it does
	 * not have bank info, so create a custom tiling dword.
	 * bits 3:0   num_pipes
	 * bits 7:4   num_banks
	 * bits 11:8  group_size
	 * bits 15:12 row_size
	 */
	rdev->config.evergreen.tile_config = 0;
	switch (rdev->config.evergreen.max_tile_pipes) {
	case 1:
	default:
		rdev->config.evergreen.tile_config |= (0 << 0);
		break;
	case 2:
		rdev->config.evergreen.tile_config |= (1 << 0);
		break;
	case 4:
		rdev->config.evergreen.tile_config |= (2 << 0);
		break;
	case 8:
		rdev->config.evergreen.tile_config |= (3 << 0);
		break;
	}
	rdev->config.evergreen.tile_config |=
		((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
	rdev->config.evergreen.tile_config |=
		((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) << 8;
	rdev->config.evergreen.tile_config |=
		((gb_addr_config & 0x30000000) >> 28) << 12;

1937 1938 1939 1940 1941
	WREG32(GB_BACKEND_MAP, gb_backend_map);
	WREG32(GB_ADDR_CONFIG, gb_addr_config);
	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
	WREG32(HDP_ADDR_CONFIG, gb_addr_config);

1942 1943
	evergreen_program_channel_remap(rdev);

1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
	num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1;
	grbm_gfx_index = INSTANCE_BROADCAST_WRITES;

	for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
		u32 rb = cc_rb_backend_disable | (0xf0 << 16);
		u32 sp = cc_gc_shader_pipe_config;
		u32 gfx = grbm_gfx_index | SE_INDEX(i);

		if (i == num_shader_engines) {
			rb |= BACKEND_DISABLE(EVERGREEN_MAX_BACKENDS_MASK);
			sp |= INACTIVE_SIMDS(EVERGREEN_MAX_SIMDS_MASK);
		}

		WREG32(GRBM_GFX_INDEX, gfx);
		WREG32(RLC_GFX_INDEX, gfx);

		WREG32(CC_RB_BACKEND_DISABLE, rb);
		WREG32(CC_SYS_RB_BACKEND_DISABLE, rb);
		WREG32(GC_USER_RB_BACKEND_DISABLE, rb);
		WREG32(CC_GC_SHADER_PIPE_CONFIG, sp);
        }

	grbm_gfx_index |= SE_BROADCAST_WRITES;
	WREG32(GRBM_GFX_INDEX, grbm_gfx_index);
	WREG32(RLC_GFX_INDEX, grbm_gfx_index);

	WREG32(CGTS_SYS_TCC_DISABLE, 0);
	WREG32(CGTS_TCC_DISABLE, 0);
	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
	WREG32(CGTS_USER_TCC_DISABLE, 0);

	/* set HW defaults for 3D engine */
	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
				     ROQ_IB2_START(0x2b)));

	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));

	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
			     SYNC_GRADIENT |
			     SYNC_WALKER |
			     SYNC_ALIGNER));

	sx_debug_1 = RREG32(SX_DEBUG_1);
	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
	WREG32(SX_DEBUG_1, sx_debug_1);


	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
	WREG32(SMX_DC_CTL0, smx_dc_ctl0);

	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
					POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
					SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));

	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));

	WREG32(VGT_NUM_INSTANCES, 1);
	WREG32(SPI_CONFIG_CNTL, 0);
	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
	WREG32(CP_PERFMON_CNTL, 0);

	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
				  FETCH_FIFO_HIWATER(0x4) |
				  DONE_FIFO_HIWATER(0xe0) |
				  ALU_UPDATE_FIFO_HIWATER(0x8)));

	sq_config = RREG32(SQ_CONFIG);
	sq_config &= ~(PS_PRIO(3) |
		       VS_PRIO(3) |
		       GS_PRIO(3) |
		       ES_PRIO(3));
	sq_config |= (VC_ENABLE |
		      EXPORT_SRC_C |
		      PS_PRIO(0) |
		      VS_PRIO(1) |
		      GS_PRIO(2) |
		      ES_PRIO(3));

2026 2027 2028
	switch (rdev->family) {
	case CHIP_CEDAR:
	case CHIP_PALM:
2029
	case CHIP_CAICOS:
2030 2031
		/* no vertex cache */
		sq_config &= ~VC_ENABLE;
2032 2033 2034 2035
		break;
	default:
		break;
	}
2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046

	sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);

	sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
	sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
	sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
	sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
	sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
	sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
	sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);

2047 2048 2049
	switch (rdev->family) {
	case CHIP_CEDAR:
	case CHIP_PALM:
2050
		ps_thread_count = 96;
2051 2052
		break;
	default:
2053
		ps_thread_count = 128;
2054 2055
		break;
	}
2056 2057

	sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
2058 2059 2060 2061 2062
	sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
	sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
	sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
	sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
	sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085

	sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
	sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
	sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
	sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
	sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
	sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);

	WREG32(SQ_CONFIG, sq_config);
	WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
	WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
	WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
	WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
	WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
	WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
	WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
	WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);

	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
					  FORCE_EOV_MAX_REZ_CNT(255)));

2086 2087 2088
	switch (rdev->family) {
	case CHIP_CEDAR:
	case CHIP_PALM:
2089
	case CHIP_CAICOS:
2090
		vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
2091 2092
		break;
	default:
2093
		vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
2094 2095
		break;
	}
2096 2097 2098 2099
	vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
	WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);

	WREG32(VGT_GS_VERTEX_REUSE, 16);
2100
	WREG32(PA_SU_LINE_STIPPLE_VALUE, 0);
2101 2102
	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);

2103 2104 2105
	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
	WREG32(VGT_OUT_DEALLOC_CNTL, 16);

2106 2107 2108 2109 2110 2111 2112 2113 2114
	WREG32(CB_PERF_CTR0_SEL_0, 0);
	WREG32(CB_PERF_CTR0_SEL_1, 0);
	WREG32(CB_PERF_CTR1_SEL_0, 0);
	WREG32(CB_PERF_CTR1_SEL_1, 0);
	WREG32(CB_PERF_CTR2_SEL_0, 0);
	WREG32(CB_PERF_CTR2_SEL_1, 0);
	WREG32(CB_PERF_CTR3_SEL_0, 0);
	WREG32(CB_PERF_CTR3_SEL_1, 0);

2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134
	/* clear render buffer base addresses */
	WREG32(CB_COLOR0_BASE, 0);
	WREG32(CB_COLOR1_BASE, 0);
	WREG32(CB_COLOR2_BASE, 0);
	WREG32(CB_COLOR3_BASE, 0);
	WREG32(CB_COLOR4_BASE, 0);
	WREG32(CB_COLOR5_BASE, 0);
	WREG32(CB_COLOR6_BASE, 0);
	WREG32(CB_COLOR7_BASE, 0);
	WREG32(CB_COLOR8_BASE, 0);
	WREG32(CB_COLOR9_BASE, 0);
	WREG32(CB_COLOR10_BASE, 0);
	WREG32(CB_COLOR11_BASE, 0);

	/* set the shader const cache sizes to 0 */
	for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
		WREG32(i, 0);
	for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
		WREG32(i, 0);

2135 2136 2137 2138 2139 2140 2141
	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);

	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));

	udelay(50);

2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176
}

int evergreen_mc_init(struct radeon_device *rdev)
{
	u32 tmp;
	int chansize, numchan;

	/* Get VRAM informations */
	rdev->mc.vram_is_ddr = true;
	tmp = RREG32(MC_ARB_RAMCFG);
	if (tmp & CHANSIZE_OVERRIDE) {
		chansize = 16;
	} else if (tmp & CHANSIZE_MASK) {
		chansize = 64;
	} else {
		chansize = 32;
	}
	tmp = RREG32(MC_SHARED_CHMAP);
	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
	case 0:
	default:
		numchan = 1;
		break;
	case 1:
		numchan = 2;
		break;
	case 2:
		numchan = 4;
		break;
	case 3:
		numchan = 8;
		break;
	}
	rdev->mc.vram_width = numchan * chansize;
	/* Could aper size report 0 ? */
2177 2178
	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2179
	/* Setup GPU memory space */
2180 2181 2182 2183 2184 2185 2186 2187 2188
	if (rdev->flags & RADEON_IS_IGP) {
		/* size in bytes on fusion */
		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
	} else {
		/* size in MB on evergreen */
		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
	}
2189
	rdev->mc.visible_vram_size = rdev->mc.aper_size;
2190
	r700_vram_gtt_location(rdev, &rdev->mc);
2191 2192
	radeon_update_bandwidth_info(rdev);

2193 2194
	return 0;
}
2195

2196 2197
bool evergreen_gpu_is_lockup(struct radeon_device *rdev)
{
2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221
	u32 srbm_status;
	u32 grbm_status;
	u32 grbm_status_se0, grbm_status_se1;
	struct r100_gpu_lockup *lockup = &rdev->config.evergreen.lockup;
	int r;

	srbm_status = RREG32(SRBM_STATUS);
	grbm_status = RREG32(GRBM_STATUS);
	grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
	grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
	if (!(grbm_status & GUI_ACTIVE)) {
		r100_gpu_lockup_update(lockup, &rdev->cp);
		return false;
	}
	/* force CP activities */
	r = radeon_ring_lock(rdev, 2);
	if (!r) {
		/* PACKET2 NOP */
		radeon_ring_write(rdev, 0x80000000);
		radeon_ring_write(rdev, 0x80000000);
		radeon_ring_unlock_commit(rdev);
	}
	rdev->cp.rptr = RREG32(CP_RB_RPTR);
	return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
2222 2223
}

2224
static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
2225
{
2226 2227 2228
	struct evergreen_mc_save save;
	u32 grbm_reset = 0;

2229 2230 2231
	if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
		return 0;

2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278
	dev_info(rdev->dev, "GPU softreset \n");
	dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
		RREG32(GRBM_STATUS));
	dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
		RREG32(GRBM_STATUS_SE0));
	dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
		RREG32(GRBM_STATUS_SE1));
	dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
		RREG32(SRBM_STATUS));
	evergreen_mc_stop(rdev, &save);
	if (evergreen_mc_wait_for_idle(rdev)) {
		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
	}
	/* Disable CP parsing/prefetching */
	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);

	/* reset all the gfx blocks */
	grbm_reset = (SOFT_RESET_CP |
		      SOFT_RESET_CB |
		      SOFT_RESET_DB |
		      SOFT_RESET_PA |
		      SOFT_RESET_SC |
		      SOFT_RESET_SPI |
		      SOFT_RESET_SH |
		      SOFT_RESET_SX |
		      SOFT_RESET_TC |
		      SOFT_RESET_TA |
		      SOFT_RESET_VC |
		      SOFT_RESET_VGT);

	dev_info(rdev->dev, "  GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
	WREG32(GRBM_SOFT_RESET, grbm_reset);
	(void)RREG32(GRBM_SOFT_RESET);
	udelay(50);
	WREG32(GRBM_SOFT_RESET, 0);
	(void)RREG32(GRBM_SOFT_RESET);
	/* Wait a little for things to settle down */
	udelay(50);
	dev_info(rdev->dev, "  GRBM_STATUS=0x%08X\n",
		RREG32(GRBM_STATUS));
	dev_info(rdev->dev, "  GRBM_STATUS_SE0=0x%08X\n",
		RREG32(GRBM_STATUS_SE0));
	dev_info(rdev->dev, "  GRBM_STATUS_SE1=0x%08X\n",
		RREG32(GRBM_STATUS_SE1));
	dev_info(rdev->dev, "  SRBM_STATUS=0x%08X\n",
		RREG32(SRBM_STATUS));
	evergreen_mc_resume(rdev, &save);
2279 2280 2281
	return 0;
}

2282
int evergreen_asic_reset(struct radeon_device *rdev)
2283
{
2284 2285 2286
	return evergreen_gpu_soft_reset(rdev);
}

2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312
/* Interrupts */

u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
{
	switch (crtc) {
	case 0:
		return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET);
	case 1:
		return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET);
	case 2:
		return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET);
	case 3:
		return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET);
	case 4:
		return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET);
	case 5:
		return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET);
	default:
		return 0;
	}
}

void evergreen_disable_interrupt_state(struct radeon_device *rdev)
{
	u32 tmp;

2313
	WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2314 2315 2316
	WREG32(GRBM_INT_CNTL, 0);
	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
2317 2318 2319 2320 2321 2322
	if (!(rdev->flags & RADEON_IS_IGP)) {
		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
	}
2323 2324 2325

	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
2326 2327 2328 2329 2330 2331
	if (!(rdev->flags & RADEON_IS_IGP)) {
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
	}
2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355

	WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
	WREG32(DACB_AUTODETECT_INT_CONTROL, 0);

	tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
	WREG32(DC_HPD1_INT_CONTROL, tmp);
	tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
	WREG32(DC_HPD2_INT_CONTROL, tmp);
	tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
	WREG32(DC_HPD3_INT_CONTROL, tmp);
	tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
	WREG32(DC_HPD4_INT_CONTROL, tmp);
	tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
	WREG32(DC_HPD5_INT_CONTROL, tmp);
	tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
	WREG32(DC_HPD6_INT_CONTROL, tmp);

}

int evergreen_irq_set(struct radeon_device *rdev)
{
	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
	u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
	u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
2356
	u32 grbm_int_cntl = 0;
2357
	u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0;
2358 2359

	if (!rdev->irq.installed) {
J
Joe Perches 已提交
2360
		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380
		return -EINVAL;
	}
	/* don't enable anything if the ih is disabled */
	if (!rdev->ih.enabled) {
		r600_disable_interrupts(rdev);
		/* force the active interrupt state to all disabled */
		evergreen_disable_interrupt_state(rdev);
		return 0;
	}

	hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
	hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
	hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
	hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
	hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
	hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;

	if (rdev->irq.sw_int) {
		DRM_DEBUG("evergreen_irq_set: sw int\n");
		cp_int_cntl |= RB_INT_ENABLE;
2381
		cp_int_cntl |= TIME_STAMP_INT_ENABLE;
2382
	}
2383 2384
	if (rdev->irq.crtc_vblank_int[0] ||
	    rdev->irq.pflip[0]) {
2385 2386 2387
		DRM_DEBUG("evergreen_irq_set: vblank 0\n");
		crtc1 |= VBLANK_INT_MASK;
	}
2388 2389
	if (rdev->irq.crtc_vblank_int[1] ||
	    rdev->irq.pflip[1]) {
2390 2391 2392
		DRM_DEBUG("evergreen_irq_set: vblank 1\n");
		crtc2 |= VBLANK_INT_MASK;
	}
2393 2394
	if (rdev->irq.crtc_vblank_int[2] ||
	    rdev->irq.pflip[2]) {
2395 2396 2397
		DRM_DEBUG("evergreen_irq_set: vblank 2\n");
		crtc3 |= VBLANK_INT_MASK;
	}
2398 2399
	if (rdev->irq.crtc_vblank_int[3] ||
	    rdev->irq.pflip[3]) {
2400 2401 2402
		DRM_DEBUG("evergreen_irq_set: vblank 3\n");
		crtc4 |= VBLANK_INT_MASK;
	}
2403 2404
	if (rdev->irq.crtc_vblank_int[4] ||
	    rdev->irq.pflip[4]) {
2405 2406 2407
		DRM_DEBUG("evergreen_irq_set: vblank 4\n");
		crtc5 |= VBLANK_INT_MASK;
	}
2408 2409
	if (rdev->irq.crtc_vblank_int[5] ||
	    rdev->irq.pflip[5]) {
2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436
		DRM_DEBUG("evergreen_irq_set: vblank 5\n");
		crtc6 |= VBLANK_INT_MASK;
	}
	if (rdev->irq.hpd[0]) {
		DRM_DEBUG("evergreen_irq_set: hpd 1\n");
		hpd1 |= DC_HPDx_INT_EN;
	}
	if (rdev->irq.hpd[1]) {
		DRM_DEBUG("evergreen_irq_set: hpd 2\n");
		hpd2 |= DC_HPDx_INT_EN;
	}
	if (rdev->irq.hpd[2]) {
		DRM_DEBUG("evergreen_irq_set: hpd 3\n");
		hpd3 |= DC_HPDx_INT_EN;
	}
	if (rdev->irq.hpd[3]) {
		DRM_DEBUG("evergreen_irq_set: hpd 4\n");
		hpd4 |= DC_HPDx_INT_EN;
	}
	if (rdev->irq.hpd[4]) {
		DRM_DEBUG("evergreen_irq_set: hpd 5\n");
		hpd5 |= DC_HPDx_INT_EN;
	}
	if (rdev->irq.hpd[5]) {
		DRM_DEBUG("evergreen_irq_set: hpd 6\n");
		hpd6 |= DC_HPDx_INT_EN;
	}
2437 2438 2439 2440
	if (rdev->irq.gui_idle) {
		DRM_DEBUG("gui idle\n");
		grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
	}
2441 2442

	WREG32(CP_INT_CNTL, cp_int_cntl);
2443
	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
2444 2445 2446

	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
2447 2448 2449 2450 2451 2452
	if (!(rdev->flags & RADEON_IS_IGP)) {
		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
	}
2453

2454 2455 2456 2457 2458 2459 2460
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1);
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2);
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3);
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4);
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5);
	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6);

2461 2462 2463 2464 2465 2466 2467
	WREG32(DC_HPD1_INT_CONTROL, hpd1);
	WREG32(DC_HPD2_INT_CONTROL, hpd2);
	WREG32(DC_HPD3_INT_CONTROL, hpd3);
	WREG32(DC_HPD4_INT_CONTROL, hpd4);
	WREG32(DC_HPD5_INT_CONTROL, hpd5);
	WREG32(DC_HPD6_INT_CONTROL, hpd6);

2468 2469 2470
	return 0;
}

2471
static inline void evergreen_irq_ack(struct radeon_device *rdev)
2472 2473 2474
{
	u32 tmp;

2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501
	rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
	rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
	rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
	rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
	rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
	rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
	rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
	rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
	rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
	rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
	rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
	rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);

	if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
	if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
	if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
	if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
	if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
	if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);

	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
2502
		WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
2503
	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
2504 2505
		WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);

2506
	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
2507
		WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
2508
	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
2509 2510
		WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);

2511
	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
2512
		WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
2513
	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
2514 2515
		WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);

2516
	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
2517
		WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
2518
	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
2519 2520
		WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);

2521
	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
2522
		WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
2523
	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
2524 2525
		WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);

2526
	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
2527
		WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
2528
	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
2529 2530
		WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);

2531
	if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
2532 2533 2534 2535
		tmp = RREG32(DC_HPD1_INT_CONTROL);
		tmp |= DC_HPDx_INT_ACK;
		WREG32(DC_HPD1_INT_CONTROL, tmp);
	}
2536
	if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
2537 2538 2539 2540
		tmp = RREG32(DC_HPD2_INT_CONTROL);
		tmp |= DC_HPDx_INT_ACK;
		WREG32(DC_HPD2_INT_CONTROL, tmp);
	}
2541
	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
2542 2543 2544 2545
		tmp = RREG32(DC_HPD3_INT_CONTROL);
		tmp |= DC_HPDx_INT_ACK;
		WREG32(DC_HPD3_INT_CONTROL, tmp);
	}
2546
	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
2547 2548 2549 2550
		tmp = RREG32(DC_HPD4_INT_CONTROL);
		tmp |= DC_HPDx_INT_ACK;
		WREG32(DC_HPD4_INT_CONTROL, tmp);
	}
2551
	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
2552 2553 2554 2555
		tmp = RREG32(DC_HPD5_INT_CONTROL);
		tmp |= DC_HPDx_INT_ACK;
		WREG32(DC_HPD5_INT_CONTROL, tmp);
	}
2556
	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567
		tmp = RREG32(DC_HPD5_INT_CONTROL);
		tmp |= DC_HPDx_INT_ACK;
		WREG32(DC_HPD6_INT_CONTROL, tmp);
	}
}

void evergreen_irq_disable(struct radeon_device *rdev)
{
	r600_disable_interrupts(rdev);
	/* Wait and acknowledge irq */
	mdelay(1);
2568
	evergreen_irq_ack(rdev);
2569 2570 2571
	evergreen_disable_interrupt_state(rdev);
}

2572
void evergreen_irq_suspend(struct radeon_device *rdev)
2573 2574 2575 2576 2577 2578 2579 2580 2581
{
	evergreen_irq_disable(rdev);
	r600_rlc_stop(rdev);
}

static inline u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
{
	u32 wptr, tmp;

2582 2583 2584 2585
	if (rdev->wb.enabled)
		wptr = rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4];
	else
		wptr = RREG32(IH_RB_WPTR);
2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627

	if (wptr & RB_OVERFLOW) {
		/* When a ring buffer overflow happen start parsing interrupt
		 * from the last not overwritten vector (wptr + 16). Hopefully
		 * this should allow us to catchup.
		 */
		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
			wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
		tmp = RREG32(IH_RB_CNTL);
		tmp |= IH_WPTR_OVERFLOW_CLEAR;
		WREG32(IH_RB_CNTL, tmp);
	}
	return (wptr & rdev->ih.ptr_mask);
}

int evergreen_irq_process(struct radeon_device *rdev)
{
	u32 wptr = evergreen_get_ih_wptr(rdev);
	u32 rptr = rdev->ih.rptr;
	u32 src_id, src_data;
	u32 ring_index;
	unsigned long flags;
	bool queue_hotplug = false;

	DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
	if (!rdev->ih.enabled)
		return IRQ_NONE;

	spin_lock_irqsave(&rdev->ih.lock, flags);

	if (rptr == wptr) {
		spin_unlock_irqrestore(&rdev->ih.lock, flags);
		return IRQ_NONE;
	}
	if (rdev->shutdown) {
		spin_unlock_irqrestore(&rdev->ih.lock, flags);
		return IRQ_NONE;
	}

restart_ih:
	/* display interrupts */
2628
	evergreen_irq_ack(rdev);
2629 2630 2631 2632 2633

	rdev->ih.wptr = wptr;
	while (rptr != wptr) {
		/* wptr/rptr are in bytes! */
		ring_index = rptr / 4;
2634 2635
		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
2636 2637 2638 2639 2640

		switch (src_id) {
		case 1: /* D1 vblank/vline */
			switch (src_data) {
			case 0: /* D1 vblank */
2641 2642 2643 2644 2645 2646
				if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) {
					if (rdev->irq.crtc_vblank_int[0]) {
						drm_handle_vblank(rdev->ddev, 0);
						rdev->pm.vblank_sync = true;
						wake_up(&rdev->irq.vblank_queue);
					}
2647 2648
					if (rdev->irq.pflip[0])
						radeon_crtc_handle_flip(rdev, 0);
2649
					rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
2650 2651 2652 2653
					DRM_DEBUG("IH: D1 vblank\n");
				}
				break;
			case 1: /* D1 vline */
2654 2655
				if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) {
					rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666
					DRM_DEBUG("IH: D1 vline\n");
				}
				break;
			default:
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
				break;
			}
			break;
		case 2: /* D2 vblank/vline */
			switch (src_data) {
			case 0: /* D2 vblank */
2667 2668 2669 2670 2671 2672
				if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
					if (rdev->irq.crtc_vblank_int[1]) {
						drm_handle_vblank(rdev->ddev, 1);
						rdev->pm.vblank_sync = true;
						wake_up(&rdev->irq.vblank_queue);
					}
2673 2674
					if (rdev->irq.pflip[1])
						radeon_crtc_handle_flip(rdev, 1);
2675
					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
2676 2677 2678 2679
					DRM_DEBUG("IH: D2 vblank\n");
				}
				break;
			case 1: /* D2 vline */
2680 2681
				if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) {
					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692
					DRM_DEBUG("IH: D2 vline\n");
				}
				break;
			default:
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
				break;
			}
			break;
		case 3: /* D3 vblank/vline */
			switch (src_data) {
			case 0: /* D3 vblank */
2693 2694 2695 2696 2697 2698 2699 2700 2701
				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
					if (rdev->irq.crtc_vblank_int[2]) {
						drm_handle_vblank(rdev->ddev, 2);
						rdev->pm.vblank_sync = true;
						wake_up(&rdev->irq.vblank_queue);
					}
					if (rdev->irq.pflip[2])
						radeon_crtc_handle_flip(rdev, 2);
					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
2702 2703 2704 2705
					DRM_DEBUG("IH: D3 vblank\n");
				}
				break;
			case 1: /* D3 vline */
2706 2707
				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718
					DRM_DEBUG("IH: D3 vline\n");
				}
				break;
			default:
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
				break;
			}
			break;
		case 4: /* D4 vblank/vline */
			switch (src_data) {
			case 0: /* D4 vblank */
2719 2720 2721 2722 2723 2724 2725 2726 2727
				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
					if (rdev->irq.crtc_vblank_int[3]) {
						drm_handle_vblank(rdev->ddev, 3);
						rdev->pm.vblank_sync = true;
						wake_up(&rdev->irq.vblank_queue);
					}
					if (rdev->irq.pflip[3])
						radeon_crtc_handle_flip(rdev, 3);
					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
2728 2729 2730 2731
					DRM_DEBUG("IH: D4 vblank\n");
				}
				break;
			case 1: /* D4 vline */
2732 2733
				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744
					DRM_DEBUG("IH: D4 vline\n");
				}
				break;
			default:
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
				break;
			}
			break;
		case 5: /* D5 vblank/vline */
			switch (src_data) {
			case 0: /* D5 vblank */
2745 2746 2747 2748 2749 2750 2751 2752 2753
				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
					if (rdev->irq.crtc_vblank_int[4]) {
						drm_handle_vblank(rdev->ddev, 4);
						rdev->pm.vblank_sync = true;
						wake_up(&rdev->irq.vblank_queue);
					}
					if (rdev->irq.pflip[4])
						radeon_crtc_handle_flip(rdev, 4);
					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
2754 2755 2756 2757
					DRM_DEBUG("IH: D5 vblank\n");
				}
				break;
			case 1: /* D5 vline */
2758 2759
				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770
					DRM_DEBUG("IH: D5 vline\n");
				}
				break;
			default:
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
				break;
			}
			break;
		case 6: /* D6 vblank/vline */
			switch (src_data) {
			case 0: /* D6 vblank */
2771 2772 2773 2774 2775 2776 2777 2778 2779
				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
					if (rdev->irq.crtc_vblank_int[5]) {
						drm_handle_vblank(rdev->ddev, 5);
						rdev->pm.vblank_sync = true;
						wake_up(&rdev->irq.vblank_queue);
					}
					if (rdev->irq.pflip[5])
						radeon_crtc_handle_flip(rdev, 5);
					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
2780 2781 2782 2783
					DRM_DEBUG("IH: D6 vblank\n");
				}
				break;
			case 1: /* D6 vline */
2784 2785
				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796
					DRM_DEBUG("IH: D6 vline\n");
				}
				break;
			default:
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
				break;
			}
			break;
		case 42: /* HPD hotplug */
			switch (src_data) {
			case 0:
2797 2798
				if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
					rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
2799 2800 2801 2802 2803
					queue_hotplug = true;
					DRM_DEBUG("IH: HPD1\n");
				}
				break;
			case 1:
2804 2805
				if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
2806 2807 2808 2809 2810
					queue_hotplug = true;
					DRM_DEBUG("IH: HPD2\n");
				}
				break;
			case 2:
2811 2812
				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
2813 2814 2815 2816 2817
					queue_hotplug = true;
					DRM_DEBUG("IH: HPD3\n");
				}
				break;
			case 3:
2818 2819
				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
2820 2821 2822 2823 2824
					queue_hotplug = true;
					DRM_DEBUG("IH: HPD4\n");
				}
				break;
			case 4:
2825 2826
				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
2827 2828 2829 2830 2831
					queue_hotplug = true;
					DRM_DEBUG("IH: HPD5\n");
				}
				break;
			case 5:
2832 2833
				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850
					queue_hotplug = true;
					DRM_DEBUG("IH: HPD6\n");
				}
				break;
			default:
				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
				break;
			}
			break;
		case 176: /* CP_INT in ring buffer */
		case 177: /* CP_INT in IB1 */
		case 178: /* CP_INT in IB2 */
			DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
			radeon_fence_process(rdev);
			break;
		case 181: /* CP EOP event */
			DRM_DEBUG("IH: CP EOP\n");
2851
			radeon_fence_process(rdev);
2852
			break;
2853 2854 2855 2856 2857
		case 233: /* GUI IDLE */
			DRM_DEBUG("IH: CP EOP\n");
			rdev->pm.gui_idle = true;
			wake_up(&rdev->irq.idle_queue);
			break;
2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871
		default:
			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
			break;
		}

		/* wptr/rptr are in bytes! */
		rptr += 16;
		rptr &= rdev->ih.ptr_mask;
	}
	/* make sure wptr hasn't changed while processing */
	wptr = evergreen_get_ih_wptr(rdev);
	if (wptr != rdev->ih.wptr)
		goto restart_ih;
	if (queue_hotplug)
2872
		schedule_work(&rdev->hotplug_work);
2873 2874 2875 2876 2877 2878
	rdev->ih.rptr = rptr;
	WREG32(IH_RB_RPTR, rdev->ih.rptr);
	spin_unlock_irqrestore(&rdev->ih.lock, flags);
	return IRQ_HANDLED;
}

2879 2880 2881 2882
static int evergreen_startup(struct radeon_device *rdev)
{
	int r;

2883
	/* enable pcie gen2 link */
2884 2885
	if (!ASIC_IS_DCE5(rdev))
		evergreen_pcie_gen2_enable(rdev);
2886

2887 2888 2889 2890 2891 2892 2893 2894
	if (ASIC_IS_DCE5(rdev)) {
		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
			r = ni_init_microcode(rdev);
			if (r) {
				DRM_ERROR("Failed to load firmware!\n");
				return r;
			}
		}
2895
		r = ni_mc_load_microcode(rdev);
2896
		if (r) {
2897
			DRM_ERROR("Failed to load MC firmware!\n");
2898 2899
			return r;
		}
2900 2901 2902 2903 2904 2905 2906 2907
	} else {
		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
			r = r600_init_microcode(rdev);
			if (r) {
				DRM_ERROR("Failed to load firmware!\n");
				return r;
			}
		}
2908
	}
2909

2910 2911
	evergreen_mc_program(rdev);
	if (rdev->flags & RADEON_IS_AGP) {
2912
		evergreen_agp_enable(rdev);
2913 2914 2915 2916 2917 2918 2919
	} else {
		r = evergreen_pcie_gart_enable(rdev);
		if (r)
			return r;
	}
	evergreen_gpu_init(rdev);

2920
	r = evergreen_blit_init(rdev);
2921
	if (r) {
2922 2923 2924
		evergreen_blit_fini(rdev);
		rdev->asic->copy = NULL;
		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
2925
	}
2926 2927 2928
	/* XXX: ontario has problems blitting to gart at the moment */
	if (rdev->family == CHIP_PALM) {
		rdev->asic->copy = NULL;
2929
		radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
2930
	}
2931

2932 2933 2934 2935 2936
	/* allocate wb buffer */
	r = radeon_wb_init(rdev);
	if (r)
		return r;

2937 2938 2939 2940 2941 2942 2943
	/* Enable IRQ */
	r = r600_irq_init(rdev);
	if (r) {
		DRM_ERROR("radeon: IH init failed (%d).\n", r);
		radeon_irq_kms_fini(rdev);
		return r;
	}
2944
	evergreen_irq_set(rdev);
2945 2946 2947 2948 2949 2950 2951

	r = radeon_ring_init(rdev, rdev->cp.ring_size);
	if (r)
		return r;
	r = evergreen_cp_load_microcode(rdev);
	if (r)
		return r;
2952
	r = evergreen_cp_resume(rdev);
2953 2954
	if (r)
		return r;
2955

2956 2957 2958 2959 2960 2961 2962
	return 0;
}

int evergreen_resume(struct radeon_device *rdev)
{
	int r;

2963 2964 2965 2966 2967
	/* reset the asic, the gfx blocks are often in a bad state
	 * after the driver is unloaded or after a resume
	 */
	if (radeon_asic_reset(rdev))
		dev_warn(rdev->dev, "GPU reset failed !\n");
2968 2969 2970 2971 2972 2973 2974 2975 2976
	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
	 * posting will perform necessary task to bring back GPU into good
	 * shape.
	 */
	/* post card */
	atom_asic_init(rdev->mode_info.atom_context);

	r = evergreen_startup(rdev);
	if (r) {
2977
		DRM_ERROR("evergreen startup failed on resume\n");
2978 2979
		return r;
	}
2980

2981 2982
	r = r600_ib_test(rdev);
	if (r) {
P
Paul Bolle 已提交
2983
		DRM_ERROR("radeon: failed testing IB (%d).\n", r);
2984 2985
		return r;
	}
2986

2987 2988 2989 2990 2991 2992 2993
	return r;

}

int evergreen_suspend(struct radeon_device *rdev)
{
	int r;
2994

2995 2996 2997
	/* FIXME: we should wait for ring to be empty */
	r700_cp_stop(rdev);
	rdev->cp.ready = false;
2998
	evergreen_irq_suspend(rdev);
2999
	radeon_wb_disable(rdev);
3000
	evergreen_pcie_gart_disable(rdev);
3001

3002 3003 3004 3005 3006 3007
	/* unpin shaders bo */
	r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
	if (likely(r == 0)) {
		radeon_bo_unpin(rdev->r600_blit.shader_obj);
		radeon_bo_unreserve(rdev->r600_blit.shader_obj);
	}
3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029

	return 0;
}

int evergreen_copy_blit(struct radeon_device *rdev,
			uint64_t src_offset, uint64_t dst_offset,
			unsigned num_pages, struct radeon_fence *fence)
{
	int r;

	mutex_lock(&rdev->r600_blit.mutex);
	rdev->r600_blit.vb_ib = NULL;
	r = evergreen_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE);
	if (r) {
		if (rdev->r600_blit.vb_ib)
			radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
		mutex_unlock(&rdev->r600_blit.mutex);
		return r;
	}
	evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE);
	evergreen_blit_done_copy(rdev, fence);
	mutex_unlock(&rdev->r600_blit.mutex);
3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053
	return 0;
}

/* Plan is to move initialization in that function and use
 * helper function so that radeon_device_init pretty much
 * do nothing more than calling asic specific function. This
 * should also allow to remove a bunch of callback function
 * like vram_info.
 */
int evergreen_init(struct radeon_device *rdev)
{
	int r;

	/* This don't do much */
	r = radeon_gem_init(rdev);
	if (r)
		return r;
	/* Read BIOS */
	if (!radeon_get_bios(rdev)) {
		if (ASIC_IS_AVIVO(rdev))
			return -EINVAL;
	}
	/* Must be an ATOMBIOS */
	if (!rdev->is_atom_bios) {
3054
		dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n");
3055 3056 3057 3058 3059
		return -EINVAL;
	}
	r = radeon_atombios_init(rdev);
	if (r)
		return r;
3060 3061 3062 3063 3064
	/* reset the asic, the gfx blocks are often in a bad state
	 * after the driver is unloaded or after a resume
	 */
	if (radeon_asic_reset(rdev))
		dev_warn(rdev->dev, "GPU reset failed !\n");
3065
	/* Post card if necessary */
3066
	if (!radeon_card_posted(rdev)) {
3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083
		if (!rdev->bios) {
			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
			return -EINVAL;
		}
		DRM_INFO("GPU not posted. posting now...\n");
		atom_asic_init(rdev->mode_info.atom_context);
	}
	/* Initialize scratch registers */
	r600_scratch_init(rdev);
	/* Initialize surface registers */
	radeon_surface_init(rdev);
	/* Initialize clocks */
	radeon_get_clock_info(rdev->ddev);
	/* Fence driver */
	r = radeon_fence_driver_init(rdev);
	if (r)
		return r;
3084 3085 3086 3087 3088 3089 3090
	/* initialize AGP */
	if (rdev->flags & RADEON_IS_AGP) {
		r = radeon_agp_init(rdev);
		if (r)
			radeon_agp_disable(rdev);
	}
	/* initialize memory controller */
3091 3092 3093 3094 3095 3096 3097
	r = evergreen_mc_init(rdev);
	if (r)
		return r;
	/* Memory manager */
	r = radeon_bo_init(rdev);
	if (r)
		return r;
3098

3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111
	r = radeon_irq_kms_init(rdev);
	if (r)
		return r;

	rdev->cp.ring_obj = NULL;
	r600_ring_init(rdev, 1024 * 1024);

	rdev->ih.ring_obj = NULL;
	r600_ih_ring_init(rdev, 64 * 1024);

	r = r600_pcie_gart_init(rdev);
	if (r)
		return r;
3112

3113
	rdev->accel_working = true;
3114 3115
	r = evergreen_startup(rdev);
	if (r) {
3116 3117 3118
		dev_err(rdev->dev, "disabling GPU acceleration\n");
		r700_cp_fini(rdev);
		r600_irq_fini(rdev);
3119
		radeon_wb_fini(rdev);
3120
		radeon_irq_kms_fini(rdev);
3121
		evergreen_pcie_gart_fini(rdev);
3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140
		rdev->accel_working = false;
	}
	if (rdev->accel_working) {
		r = radeon_ib_pool_init(rdev);
		if (r) {
			DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
			rdev->accel_working = false;
		}
		r = r600_ib_test(rdev);
		if (r) {
			DRM_ERROR("radeon: failed testing IB (%d).\n", r);
			rdev->accel_working = false;
		}
	}
	return 0;
}

void evergreen_fini(struct radeon_device *rdev)
{
3141
	evergreen_blit_fini(rdev);
3142
	r700_cp_fini(rdev);
3143
	r600_irq_fini(rdev);
3144
	radeon_wb_fini(rdev);
3145 3146 3147 3148 3149 3150 3151 3152 3153 3154
	radeon_irq_kms_fini(rdev);
	evergreen_pcie_gart_fini(rdev);
	radeon_gem_fini(rdev);
	radeon_fence_driver_fini(rdev);
	radeon_agp_fini(rdev);
	radeon_bo_fini(rdev);
	radeon_atombios_fini(rdev);
	kfree(rdev->bios);
	rdev->bios = NULL;
}
3155 3156 3157 3158 3159

static void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
{
	u32 link_width_cntl, speed_cntl;

3160 3161 3162
	if (radeon_pcie_gen2 == 0)
		return;

3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206
	if (rdev->flags & RADEON_IS_IGP)
		return;

	if (!(rdev->flags & RADEON_IS_PCIE))
		return;

	/* x2 cards have a special sequence */
	if (ASIC_IS_X2(rdev))
		return;

	speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {

		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
		link_width_cntl &= ~LC_UPCONFIGURE_DIS;
		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);

		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);

		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);

		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);

		speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
		speed_cntl |= LC_GEN2_EN_STRAP;
		WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);

	} else {
		link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
		if (1)
			link_width_cntl |= LC_UPCONFIGURE_DIS;
		else
			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
		WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
	}
}