/* * Copyright © 2011 Intel Corporation * * 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 (including the next * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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: * Jesse Barnes * * New plane/sprite handling. * * The older chips had a separate interface for programming plane related * registers; newer ones are much simpler and we can use the new DRM plane * support. */ #include #include #include #include #include #include #include #include "intel_drv.h" #include "intel_frontbuffer.h" #include #include "i915_drv.h" int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode, int usecs) { /* paranoia */ if (!adjusted_mode->crtc_htotal) return 1; return DIV_ROUND_UP(usecs * adjusted_mode->crtc_clock, 1000 * adjusted_mode->crtc_htotal); } /* FIXME: We should instead only take spinlocks once for the entire update * instead of once per mmio. */ #if IS_ENABLED(CONFIG_PROVE_LOCKING) #define VBLANK_EVASION_TIME_US 250 #else #define VBLANK_EVASION_TIME_US 100 #endif /** * intel_pipe_update_start() - start update of a set of display registers * @new_crtc_state: the new crtc state * * Mark the start of an update to pipe registers that should be updated * atomically regarding vblank. If the next vblank will happens within * the next 100 us, this function waits until the vblank passes. * * After a successful call to this function, interrupts will be disabled * until a subsequent call to intel_pipe_update_end(). That is done to * avoid random delays. */ void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state) { struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); const struct drm_display_mode *adjusted_mode = &new_crtc_state->base.adjusted_mode; long timeout = msecs_to_jiffies_timeout(1); int scanline, min, max, vblank_start; wait_queue_head_t *wq = drm_crtc_vblank_waitqueue(&crtc->base); bool need_vlv_dsi_wa = (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) && intel_crtc_has_type(new_crtc_state, INTEL_OUTPUT_DSI); DEFINE_WAIT(wait); u32 psr_status; vblank_start = adjusted_mode->crtc_vblank_start; if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) vblank_start = DIV_ROUND_UP(vblank_start, 2); /* FIXME needs to be calibrated sensibly */ min = vblank_start - intel_usecs_to_scanlines(adjusted_mode, VBLANK_EVASION_TIME_US); max = vblank_start - 1; if (min <= 0 || max <= 0) goto irq_disable; if (WARN_ON(drm_crtc_vblank_get(&crtc->base))) goto irq_disable; /* * Wait for psr to idle out after enabling the VBL interrupts * VBL interrupts will start the PSR exit and prevent a PSR * re-entry as well. */ if (intel_psr_wait_for_idle(new_crtc_state, &psr_status)) DRM_ERROR("PSR idle timed out 0x%x, atomic update may fail\n", psr_status); local_irq_disable(); crtc->debug.min_vbl = min; crtc->debug.max_vbl = max; trace_i915_pipe_update_start(crtc); for (;;) { /* * prepare_to_wait() has a memory barrier, which guarantees * other CPUs can see the task state update by the time we * read the scanline. */ prepare_to_wait(wq, &wait, TASK_UNINTERRUPTIBLE); scanline = intel_get_crtc_scanline(crtc); if (scanline < min || scanline > max) break; if (!timeout) { DRM_ERROR("Potential atomic update failure on pipe %c\n", pipe_name(crtc->pipe)); break; } local_irq_enable(); timeout = schedule_timeout(timeout); local_irq_disable(); } finish_wait(wq, &wait); drm_crtc_vblank_put(&crtc->base); /* * On VLV/CHV DSI the scanline counter would appear to * increment approx. 1/3 of a scanline before start of vblank. * The registers still get latched at start of vblank however. * This means we must not write any registers on the first * line of vblank (since not the whole line is actually in * vblank). And unfortunately we can't use the interrupt to * wait here since it will fire too soon. We could use the * frame start interrupt instead since it will fire after the * critical scanline, but that would require more changes * in the interrupt code. So for now we'll just do the nasty * thing and poll for the bad scanline to pass us by. * * FIXME figure out if BXT+ DSI suffers from this as well */ while (need_vlv_dsi_wa && scanline == vblank_start) scanline = intel_get_crtc_scanline(crtc); crtc->debug.scanline_start = scanline; crtc->debug.start_vbl_time = ktime_get(); crtc->debug.start_vbl_count = intel_crtc_get_vblank_counter(crtc); trace_i915_pipe_update_vblank_evaded(crtc); return; irq_disable: local_irq_disable(); } /** * intel_pipe_update_end() - end update of a set of display registers * @new_crtc_state: the new crtc state * * Mark the end of an update started with intel_pipe_update_start(). This * re-enables interrupts and verifies the update was actually completed * before a vblank. */ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state) { struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc); enum pipe pipe = crtc->pipe; int scanline_end = intel_get_crtc_scanline(crtc); u32 end_vbl_count = intel_crtc_get_vblank_counter(crtc); ktime_t end_vbl_time = ktime_get(); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); trace_i915_pipe_update_end(crtc, end_vbl_count, scanline_end); /* We're still in the vblank-evade critical section, this can't race. * Would be slightly nice to just grab the vblank count and arm the * event outside of the critical section - the spinlock might spin for a * while ... */ if (new_crtc_state->base.event) { WARN_ON(drm_crtc_vblank_get(&crtc->base) != 0); spin_lock(&crtc->base.dev->event_lock); drm_crtc_arm_vblank_event(&crtc->base, new_crtc_state->base.event); spin_unlock(&crtc->base.dev->event_lock); new_crtc_state->base.event = NULL; } local_irq_enable(); if (intel_vgpu_active(dev_priv)) return; if (crtc->debug.start_vbl_count && crtc->debug.start_vbl_count != end_vbl_count) { DRM_ERROR("Atomic update failure on pipe %c (start=%u end=%u) time %lld us, min %d, max %d, scanline start %d, end %d\n", pipe_name(pipe), crtc->debug.start_vbl_count, end_vbl_count, ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time), crtc->debug.min_vbl, crtc->debug.max_vbl, crtc->debug.scanline_start, scanline_end); } #ifdef CONFIG_DRM_I915_DEBUG_VBLANK_EVADE else if (ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time) > VBLANK_EVASION_TIME_US) DRM_WARN("Atomic update on pipe (%c) took %lld us, max time under evasion is %u us\n", pipe_name(pipe), ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time), VBLANK_EVASION_TIME_US); #endif } int intel_plane_check_stride(const struct intel_plane_state *plane_state) { struct intel_plane *plane = to_intel_plane(plane_state->base.plane); const struct drm_framebuffer *fb = plane_state->base.fb; unsigned int rotation = plane_state->base.rotation; u32 stride, max_stride; /* FIXME other color planes? */ stride = plane_state->color_plane[0].stride; max_stride = plane->max_stride(plane, fb->format->format, fb->modifier, rotation); if (stride > max_stride) { DRM_DEBUG_KMS("[FB:%d] stride (%d) exceeds [PLANE:%d:%s] max stride (%d)\n", fb->base.id, stride, plane->base.base.id, plane->base.name, max_stride); return -EINVAL; } return 0; } int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state) { const struct drm_framebuffer *fb = plane_state->base.fb; struct drm_rect *src = &plane_state->base.src; u32 src_x, src_y, src_w, src_h; /* * Hardware doesn't handle subpixel coordinates. * Adjust to (macro)pixel boundary, but be careful not to * increase the source viewport size, because that could * push the downscaling factor out of bounds. */ src_x = src->x1 >> 16; src_w = drm_rect_width(src) >> 16; src_y = src->y1 >> 16; src_h = drm_rect_height(src) >> 16; src->x1 = src_x << 16; src->x2 = (src_x + src_w) << 16; src->y1 = src_y << 16; src->y2 = (src_y + src_h) << 16; if (fb->format->is_yuv && fb->format->format != DRM_FORMAT_NV12 && (src_x & 1 || src_w & 1)) { DRM_DEBUG_KMS("src x/w (%u, %u) must be a multiple of 2 for YUV planes\n", src_x, src_w); return -EINVAL; } return 0; } unsigned int skl_plane_max_stride(struct intel_plane *plane, u32 pixel_format, u64 modifier, unsigned int rotation) { int cpp = drm_format_plane_cpp(pixel_format, 0); /* * "The stride in bytes must not exceed the * of the size of 8K pixels and 32K bytes." */ if (drm_rotation_90_or_270(rotation)) return min(8192, 32768 / cpp); else return min(8192 * cpp, 32768); } static void skl_program_scaler(struct drm_i915_private *dev_priv, struct intel_plane *plane, const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { enum plane_id plane_id = plane->id; enum pipe pipe = plane->pipe; int scaler_id = plane_state->scaler_id; const struct intel_scaler *scaler = &crtc_state->scaler_state.scalers[scaler_id]; int crtc_x = plane_state->base.dst.x1; int crtc_y = plane_state->base.dst.y1; uint32_t crtc_w = drm_rect_width(&plane_state->base.dst); uint32_t crtc_h = drm_rect_height(&plane_state->base.dst); u16 y_hphase, uv_rgb_hphase; u16 y_vphase, uv_rgb_vphase; /* Sizes are 0 based */ crtc_w--; crtc_h--; /* TODO: handle sub-pixel coordinates */ if (plane_state->base.fb->format->format == DRM_FORMAT_NV12) { y_hphase = skl_scaler_calc_phase(1, false); y_vphase = skl_scaler_calc_phase(1, false); /* MPEG2 chroma siting convention */ uv_rgb_hphase = skl_scaler_calc_phase(2, true); uv_rgb_vphase = skl_scaler_calc_phase(2, false); } else { /* not used */ y_hphase = 0; y_vphase = 0; uv_rgb_hphase = skl_scaler_calc_phase(1, false); uv_rgb_vphase = skl_scaler_calc_phase(1, false); } I915_WRITE_FW(SKL_PS_CTRL(pipe, scaler_id), PS_SCALER_EN | PS_PLANE_SEL(plane_id) | scaler->mode); I915_WRITE_FW(SKL_PS_PWR_GATE(pipe, scaler_id), 0); I915_WRITE_FW(SKL_PS_VPHASE(pipe, scaler_id), PS_Y_PHASE(y_vphase) | PS_UV_RGB_PHASE(uv_rgb_vphase)); I915_WRITE_FW(SKL_PS_HPHASE(pipe, scaler_id), PS_Y_PHASE(y_hphase) | PS_UV_RGB_PHASE(uv_rgb_hphase)); I915_WRITE_FW(SKL_PS_WIN_POS(pipe, scaler_id), (crtc_x << 16) | crtc_y); I915_WRITE_FW(SKL_PS_WIN_SZ(pipe, scaler_id), ((crtc_w + 1) << 16)|(crtc_h + 1)); } void skl_update_plane(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum plane_id plane_id = plane->id; enum pipe pipe = plane->pipe; u32 plane_ctl = plane_state->ctl; const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; u32 surf_addr = plane_state->color_plane[0].offset; u32 stride = skl_plane_stride(plane_state, 0); u32 aux_stride = skl_plane_stride(plane_state, 1); int crtc_x = plane_state->base.dst.x1; int crtc_y = plane_state->base.dst.y1; uint32_t x = plane_state->color_plane[0].x; uint32_t y = plane_state->color_plane[0].y; uint32_t src_w = drm_rect_width(&plane_state->base.src) >> 16; uint32_t src_h = drm_rect_height(&plane_state->base.src) >> 16; unsigned long irqflags; /* Sizes are 0 based */ src_w--; src_h--; spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) I915_WRITE_FW(PLANE_COLOR_CTL(pipe, plane_id), plane_state->color_ctl); if (key->flags) { I915_WRITE_FW(PLANE_KEYVAL(pipe, plane_id), key->min_value); I915_WRITE_FW(PLANE_KEYMAX(pipe, plane_id), key->max_value); I915_WRITE_FW(PLANE_KEYMSK(pipe, plane_id), key->channel_mask); } I915_WRITE_FW(PLANE_OFFSET(pipe, plane_id), (y << 16) | x); I915_WRITE_FW(PLANE_STRIDE(pipe, plane_id), stride); I915_WRITE_FW(PLANE_SIZE(pipe, plane_id), (src_h << 16) | src_w); I915_WRITE_FW(PLANE_AUX_DIST(pipe, plane_id), (plane_state->color_plane[1].offset - surf_addr) | aux_stride); I915_WRITE_FW(PLANE_AUX_OFFSET(pipe, plane_id), (plane_state->color_plane[1].y << 16) | plane_state->color_plane[1].x); /* program plane scaler */ if (plane_state->scaler_id >= 0) { skl_program_scaler(dev_priv, plane, crtc_state, plane_state); I915_WRITE_FW(PLANE_POS(pipe, plane_id), 0); } else { I915_WRITE_FW(PLANE_POS(pipe, plane_id), (crtc_y << 16) | crtc_x); } I915_WRITE_FW(PLANE_CTL(pipe, plane_id), plane_ctl); I915_WRITE_FW(PLANE_SURF(pipe, plane_id), intel_plane_ggtt_offset(plane_state) + surf_addr); POSTING_READ_FW(PLANE_SURF(pipe, plane_id)); spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } void skl_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum plane_id plane_id = plane->id; enum pipe pipe = plane->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); I915_WRITE_FW(PLANE_CTL(pipe, plane_id), 0); I915_WRITE_FW(PLANE_SURF(pipe, plane_id), 0); POSTING_READ_FW(PLANE_SURF(pipe, plane_id)); spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } bool skl_plane_get_hw_state(struct intel_plane *plane, enum pipe *pipe) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum intel_display_power_domain power_domain; enum plane_id plane_id = plane->id; bool ret; power_domain = POWER_DOMAIN_PIPE(plane->pipe); if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; ret = I915_READ(PLANE_CTL(plane->pipe, plane_id)) & PLANE_CTL_ENABLE; *pipe = plane->pipe; intel_display_power_put(dev_priv, power_domain); return ret; } static void chv_update_csc(const struct intel_plane_state *plane_state) { struct intel_plane *plane = to_intel_plane(plane_state->base.plane); struct drm_i915_private *dev_priv = to_i915(plane->base.dev); const struct drm_framebuffer *fb = plane_state->base.fb; enum plane_id plane_id = plane->id; /* * |r| | c0 c1 c2 | |cr| * |g| = | c3 c4 c5 | x |y | * |b| | c6 c7 c8 | |cb| * * Coefficients are s3.12. * * Cb and Cr apparently come in as signed already, and * we always get full range data in on account of CLRC0/1. */ static const s16 csc_matrix[][9] = { /* BT.601 full range YCbCr -> full range RGB */ [DRM_COLOR_YCBCR_BT601] = { 5743, 4096, 0, -2925, 4096, -1410, 0, 4096, 7258, }, /* BT.709 full range YCbCr -> full range RGB */ [DRM_COLOR_YCBCR_BT709] = { 6450, 4096, 0, -1917, 4096, -767, 0, 4096, 7601, }, }; const s16 *csc = csc_matrix[plane_state->base.color_encoding]; /* Seems RGB data bypasses the CSC always */ if (!fb->format->is_yuv) return; I915_WRITE_FW(SPCSCYGOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0)); I915_WRITE_FW(SPCSCCBOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0)); I915_WRITE_FW(SPCSCCROFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0)); I915_WRITE_FW(SPCSCC01(plane_id), SPCSC_C1(csc[1]) | SPCSC_C0(csc[0])); I915_WRITE_FW(SPCSCC23(plane_id), SPCSC_C1(csc[3]) | SPCSC_C0(csc[2])); I915_WRITE_FW(SPCSCC45(plane_id), SPCSC_C1(csc[5]) | SPCSC_C0(csc[4])); I915_WRITE_FW(SPCSCC67(plane_id), SPCSC_C1(csc[7]) | SPCSC_C0(csc[6])); I915_WRITE_FW(SPCSCC8(plane_id), SPCSC_C0(csc[8])); I915_WRITE_FW(SPCSCYGICLAMP(plane_id), SPCSC_IMAX(1023) | SPCSC_IMIN(0)); I915_WRITE_FW(SPCSCCBICLAMP(plane_id), SPCSC_IMAX(512) | SPCSC_IMIN(-512)); I915_WRITE_FW(SPCSCCRICLAMP(plane_id), SPCSC_IMAX(512) | SPCSC_IMIN(-512)); I915_WRITE_FW(SPCSCYGOCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0)); I915_WRITE_FW(SPCSCCBOCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0)); I915_WRITE_FW(SPCSCCROCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0)); } #define SIN_0 0 #define COS_0 1 static void vlv_update_clrc(const struct intel_plane_state *plane_state) { struct intel_plane *plane = to_intel_plane(plane_state->base.plane); struct drm_i915_private *dev_priv = to_i915(plane->base.dev); const struct drm_framebuffer *fb = plane_state->base.fb; enum pipe pipe = plane->pipe; enum plane_id plane_id = plane->id; int contrast, brightness, sh_scale, sh_sin, sh_cos; if (fb->format->is_yuv && plane_state->base.color_range == DRM_COLOR_YCBCR_LIMITED_RANGE) { /* * Expand limited range to full range: * Contrast is applied first and is used to expand Y range. * Brightness is applied second and is used to remove the * offset from Y. Saturation/hue is used to expand CbCr range. */ contrast = DIV_ROUND_CLOSEST(255 << 6, 235 - 16); brightness = -DIV_ROUND_CLOSEST(16 * 255, 235 - 16); sh_scale = DIV_ROUND_CLOSEST(128 << 7, 240 - 128); sh_sin = SIN_0 * sh_scale; sh_cos = COS_0 * sh_scale; } else { /* Pass-through everything. */ contrast = 1 << 6; brightness = 0; sh_scale = 1 << 7; sh_sin = SIN_0 * sh_scale; sh_cos = COS_0 * sh_scale; } /* FIXME these register are single buffered :( */ I915_WRITE_FW(SPCLRC0(pipe, plane_id), SP_CONTRAST(contrast) | SP_BRIGHTNESS(brightness)); I915_WRITE_FW(SPCLRC1(pipe, plane_id), SP_SH_SIN(sh_sin) | SP_SH_COS(sh_cos)); } static u32 vlv_sprite_ctl(const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { const struct drm_framebuffer *fb = plane_state->base.fb; unsigned int rotation = plane_state->base.rotation; const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; u32 sprctl; sprctl = SP_ENABLE | SP_GAMMA_ENABLE; switch (fb->format->format) { case DRM_FORMAT_YUYV: sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YUYV; break; case DRM_FORMAT_YVYU: sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YVYU; break; case DRM_FORMAT_UYVY: sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_UYVY; break; case DRM_FORMAT_VYUY: sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_VYUY; break; case DRM_FORMAT_RGB565: sprctl |= SP_FORMAT_BGR565; break; case DRM_FORMAT_XRGB8888: sprctl |= SP_FORMAT_BGRX8888; break; case DRM_FORMAT_ARGB8888: sprctl |= SP_FORMAT_BGRA8888; break; case DRM_FORMAT_XBGR2101010: sprctl |= SP_FORMAT_RGBX1010102; break; case DRM_FORMAT_ABGR2101010: sprctl |= SP_FORMAT_RGBA1010102; break; case DRM_FORMAT_XBGR8888: sprctl |= SP_FORMAT_RGBX8888; break; case DRM_FORMAT_ABGR8888: sprctl |= SP_FORMAT_RGBA8888; break; default: MISSING_CASE(fb->format->format); return 0; } if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709) sprctl |= SP_YUV_FORMAT_BT709; if (fb->modifier == I915_FORMAT_MOD_X_TILED) sprctl |= SP_TILED; if (rotation & DRM_MODE_ROTATE_180) sprctl |= SP_ROTATE_180; if (rotation & DRM_MODE_REFLECT_X) sprctl |= SP_MIRROR; if (key->flags & I915_SET_COLORKEY_SOURCE) sprctl |= SP_SOURCE_KEY; return sprctl; } static void vlv_update_plane(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); const struct drm_framebuffer *fb = plane_state->base.fb; enum pipe pipe = plane->pipe; enum plane_id plane_id = plane->id; u32 sprctl = plane_state->ctl; u32 sprsurf_offset = plane_state->color_plane[0].offset; u32 linear_offset; const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; int crtc_x = plane_state->base.dst.x1; int crtc_y = plane_state->base.dst.y1; uint32_t crtc_w = drm_rect_width(&plane_state->base.dst); uint32_t crtc_h = drm_rect_height(&plane_state->base.dst); uint32_t x = plane_state->color_plane[0].x; uint32_t y = plane_state->color_plane[0].y; unsigned long irqflags; /* Sizes are 0 based */ crtc_w--; crtc_h--; linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0); spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); vlv_update_clrc(plane_state); if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) chv_update_csc(plane_state); if (key->flags) { I915_WRITE_FW(SPKEYMINVAL(pipe, plane_id), key->min_value); I915_WRITE_FW(SPKEYMAXVAL(pipe, plane_id), key->max_value); I915_WRITE_FW(SPKEYMSK(pipe, plane_id), key->channel_mask); } I915_WRITE_FW(SPSTRIDE(pipe, plane_id), plane_state->color_plane[0].stride); I915_WRITE_FW(SPPOS(pipe, plane_id), (crtc_y << 16) | crtc_x); if (fb->modifier == I915_FORMAT_MOD_X_TILED) I915_WRITE_FW(SPTILEOFF(pipe, plane_id), (y << 16) | x); else I915_WRITE_FW(SPLINOFF(pipe, plane_id), linear_offset); I915_WRITE_FW(SPCONSTALPHA(pipe, plane_id), 0); I915_WRITE_FW(SPSIZE(pipe, plane_id), (crtc_h << 16) | crtc_w); I915_WRITE_FW(SPCNTR(pipe, plane_id), sprctl); I915_WRITE_FW(SPSURF(pipe, plane_id), intel_plane_ggtt_offset(plane_state) + sprsurf_offset); POSTING_READ_FW(SPSURF(pipe, plane_id)); spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void vlv_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum pipe pipe = plane->pipe; enum plane_id plane_id = plane->id; unsigned long irqflags; spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); I915_WRITE_FW(SPCNTR(pipe, plane_id), 0); I915_WRITE_FW(SPSURF(pipe, plane_id), 0); POSTING_READ_FW(SPSURF(pipe, plane_id)); spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static bool vlv_plane_get_hw_state(struct intel_plane *plane, enum pipe *pipe) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum intel_display_power_domain power_domain; enum plane_id plane_id = plane->id; bool ret; power_domain = POWER_DOMAIN_PIPE(plane->pipe); if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; ret = I915_READ(SPCNTR(plane->pipe, plane_id)) & SP_ENABLE; *pipe = plane->pipe; intel_display_power_put(dev_priv, power_domain); return ret; } static u32 ivb_sprite_ctl(const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { struct drm_i915_private *dev_priv = to_i915(plane_state->base.plane->dev); const struct drm_framebuffer *fb = plane_state->base.fb; unsigned int rotation = plane_state->base.rotation; const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; u32 sprctl; sprctl = SPRITE_ENABLE | SPRITE_GAMMA_ENABLE; if (IS_IVYBRIDGE(dev_priv)) sprctl |= SPRITE_TRICKLE_FEED_DISABLE; if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) sprctl |= SPRITE_PIPE_CSC_ENABLE; switch (fb->format->format) { case DRM_FORMAT_XBGR8888: sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX; break; case DRM_FORMAT_XRGB8888: sprctl |= SPRITE_FORMAT_RGBX888; break; case DRM_FORMAT_YUYV: sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV; break; case DRM_FORMAT_YVYU: sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU; break; case DRM_FORMAT_UYVY: sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY; break; case DRM_FORMAT_VYUY: sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY; break; default: MISSING_CASE(fb->format->format); return 0; } if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709) sprctl |= SPRITE_YUV_TO_RGB_CSC_FORMAT_BT709; if (plane_state->base.color_range == DRM_COLOR_YCBCR_FULL_RANGE) sprctl |= SPRITE_YUV_RANGE_CORRECTION_DISABLE; if (fb->modifier == I915_FORMAT_MOD_X_TILED) sprctl |= SPRITE_TILED; if (rotation & DRM_MODE_ROTATE_180) sprctl |= SPRITE_ROTATE_180; if (key->flags & I915_SET_COLORKEY_DESTINATION) sprctl |= SPRITE_DEST_KEY; else if (key->flags & I915_SET_COLORKEY_SOURCE) sprctl |= SPRITE_SOURCE_KEY; return sprctl; } static void ivb_update_plane(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); const struct drm_framebuffer *fb = plane_state->base.fb; enum pipe pipe = plane->pipe; u32 sprctl = plane_state->ctl, sprscale = 0; u32 sprsurf_offset = plane_state->color_plane[0].offset; u32 linear_offset; const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; int crtc_x = plane_state->base.dst.x1; int crtc_y = plane_state->base.dst.y1; uint32_t crtc_w = drm_rect_width(&plane_state->base.dst); uint32_t crtc_h = drm_rect_height(&plane_state->base.dst); uint32_t x = plane_state->color_plane[0].x; uint32_t y = plane_state->color_plane[0].y; uint32_t src_w = drm_rect_width(&plane_state->base.src) >> 16; uint32_t src_h = drm_rect_height(&plane_state->base.src) >> 16; unsigned long irqflags; /* Sizes are 0 based */ src_w--; src_h--; crtc_w--; crtc_h--; if (crtc_w != src_w || crtc_h != src_h) sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h; linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0); spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); if (key->flags) { I915_WRITE_FW(SPRKEYVAL(pipe), key->min_value); I915_WRITE_FW(SPRKEYMAX(pipe), key->max_value); I915_WRITE_FW(SPRKEYMSK(pipe), key->channel_mask); } I915_WRITE_FW(SPRSTRIDE(pipe), plane_state->color_plane[0].stride); I915_WRITE_FW(SPRPOS(pipe), (crtc_y << 16) | crtc_x); /* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET * register */ if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) I915_WRITE_FW(SPROFFSET(pipe), (y << 16) | x); else if (fb->modifier == I915_FORMAT_MOD_X_TILED) I915_WRITE_FW(SPRTILEOFF(pipe), (y << 16) | x); else I915_WRITE_FW(SPRLINOFF(pipe), linear_offset); I915_WRITE_FW(SPRSIZE(pipe), (crtc_h << 16) | crtc_w); if (IS_IVYBRIDGE(dev_priv)) I915_WRITE_FW(SPRSCALE(pipe), sprscale); I915_WRITE_FW(SPRCTL(pipe), sprctl); I915_WRITE_FW(SPRSURF(pipe), intel_plane_ggtt_offset(plane_state) + sprsurf_offset); POSTING_READ_FW(SPRSURF(pipe)); spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void ivb_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum pipe pipe = plane->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); I915_WRITE_FW(SPRCTL(pipe), 0); /* Can't leave the scaler enabled... */ if (IS_IVYBRIDGE(dev_priv)) I915_WRITE_FW(SPRSCALE(pipe), 0); I915_WRITE_FW(SPRSURF(pipe), 0); POSTING_READ_FW(SPRSURF(pipe)); spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static bool ivb_plane_get_hw_state(struct intel_plane *plane, enum pipe *pipe) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum intel_display_power_domain power_domain; bool ret; power_domain = POWER_DOMAIN_PIPE(plane->pipe); if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; ret = I915_READ(SPRCTL(plane->pipe)) & SPRITE_ENABLE; *pipe = plane->pipe; intel_display_power_put(dev_priv, power_domain); return ret; } static unsigned int g4x_sprite_max_stride(struct intel_plane *plane, u32 pixel_format, u64 modifier, unsigned int rotation) { return 16384; } static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { struct drm_i915_private *dev_priv = to_i915(plane_state->base.plane->dev); const struct drm_framebuffer *fb = plane_state->base.fb; unsigned int rotation = plane_state->base.rotation; const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; u32 dvscntr; dvscntr = DVS_ENABLE | DVS_GAMMA_ENABLE; if (IS_GEN6(dev_priv)) dvscntr |= DVS_TRICKLE_FEED_DISABLE; switch (fb->format->format) { case DRM_FORMAT_XBGR8888: dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR; break; case DRM_FORMAT_XRGB8888: dvscntr |= DVS_FORMAT_RGBX888; break; case DRM_FORMAT_YUYV: dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV; break; case DRM_FORMAT_YVYU: dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU; break; case DRM_FORMAT_UYVY: dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY; break; case DRM_FORMAT_VYUY: dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY; break; default: MISSING_CASE(fb->format->format); return 0; } if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709) dvscntr |= DVS_YUV_FORMAT_BT709; if (plane_state->base.color_range == DRM_COLOR_YCBCR_FULL_RANGE) dvscntr |= DVS_YUV_RANGE_CORRECTION_DISABLE; if (fb->modifier == I915_FORMAT_MOD_X_TILED) dvscntr |= DVS_TILED; if (rotation & DRM_MODE_ROTATE_180) dvscntr |= DVS_ROTATE_180; if (key->flags & I915_SET_COLORKEY_DESTINATION) dvscntr |= DVS_DEST_KEY; else if (key->flags & I915_SET_COLORKEY_SOURCE) dvscntr |= DVS_SOURCE_KEY; return dvscntr; } static void g4x_update_plane(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); const struct drm_framebuffer *fb = plane_state->base.fb; enum pipe pipe = plane->pipe; u32 dvscntr = plane_state->ctl, dvsscale = 0; u32 dvssurf_offset = plane_state->color_plane[0].offset; u32 linear_offset; const struct drm_intel_sprite_colorkey *key = &plane_state->ckey; int crtc_x = plane_state->base.dst.x1; int crtc_y = plane_state->base.dst.y1; uint32_t crtc_w = drm_rect_width(&plane_state->base.dst); uint32_t crtc_h = drm_rect_height(&plane_state->base.dst); uint32_t x = plane_state->color_plane[0].x; uint32_t y = plane_state->color_plane[0].y; uint32_t src_w = drm_rect_width(&plane_state->base.src) >> 16; uint32_t src_h = drm_rect_height(&plane_state->base.src) >> 16; unsigned long irqflags; /* Sizes are 0 based */ src_w--; src_h--; crtc_w--; crtc_h--; if (crtc_w != src_w || crtc_h != src_h) dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h; linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0); spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); if (key->flags) { I915_WRITE_FW(DVSKEYVAL(pipe), key->min_value); I915_WRITE_FW(DVSKEYMAX(pipe), key->max_value); I915_WRITE_FW(DVSKEYMSK(pipe), key->channel_mask); } I915_WRITE_FW(DVSSTRIDE(pipe), plane_state->color_plane[0].stride); I915_WRITE_FW(DVSPOS(pipe), (crtc_y << 16) | crtc_x); if (fb->modifier == I915_FORMAT_MOD_X_TILED) I915_WRITE_FW(DVSTILEOFF(pipe), (y << 16) | x); else I915_WRITE_FW(DVSLINOFF(pipe), linear_offset); I915_WRITE_FW(DVSSIZE(pipe), (crtc_h << 16) | crtc_w); I915_WRITE_FW(DVSSCALE(pipe), dvsscale); I915_WRITE_FW(DVSCNTR(pipe), dvscntr); I915_WRITE_FW(DVSSURF(pipe), intel_plane_ggtt_offset(plane_state) + dvssurf_offset); POSTING_READ_FW(DVSSURF(pipe)); spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void g4x_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum pipe pipe = plane->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); I915_WRITE_FW(DVSCNTR(pipe), 0); /* Disable the scaler */ I915_WRITE_FW(DVSSCALE(pipe), 0); I915_WRITE_FW(DVSSURF(pipe), 0); POSTING_READ_FW(DVSSURF(pipe)); spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static bool g4x_plane_get_hw_state(struct intel_plane *plane, enum pipe *pipe) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum intel_display_power_domain power_domain; bool ret; power_domain = POWER_DOMAIN_PIPE(plane->pipe); if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; ret = I915_READ(DVSCNTR(plane->pipe)) & DVS_ENABLE; *pipe = plane->pipe; intel_display_power_put(dev_priv, power_domain); return ret; } static int g4x_sprite_check_scaling(struct intel_crtc_state *crtc_state, struct intel_plane_state *plane_state) { const struct drm_framebuffer *fb = plane_state->base.fb; const struct drm_rect *src = &plane_state->base.src; const struct drm_rect *dst = &plane_state->base.dst; int src_x, src_y, src_w, src_h, crtc_w, crtc_h; const struct drm_display_mode *adjusted_mode = &crtc_state->base.adjusted_mode; unsigned int cpp = fb->format->cpp[0]; unsigned int width_bytes; int min_width, min_height; crtc_w = drm_rect_width(dst); crtc_h = drm_rect_height(dst); src_x = src->x1 >> 16; src_y = src->y1 >> 16; src_w = drm_rect_width(src) >> 16; src_h = drm_rect_height(src) >> 16; if (src_w == crtc_w && src_h == crtc_h) return 0; min_width = 3; if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { if (src_h & 1) { DRM_DEBUG_KMS("Source height must be even with interlaced modes\n"); return -EINVAL; } min_height = 6; } else { min_height = 3; } width_bytes = ((src_x * cpp) & 63) + src_w * cpp; if (src_w < min_width || src_h < min_height || src_w > 2048 || src_h > 2048) { DRM_DEBUG_KMS("Source dimensions (%dx%d) exceed hardware limits (%dx%d - %dx%d)\n", src_w, src_h, min_width, min_height, 2048, 2048); return -EINVAL; } if (width_bytes > 4096) { DRM_DEBUG_KMS("Fetch width (%d) exceeds hardware max with scaling (%u)\n", width_bytes, 4096); return -EINVAL; } if (width_bytes > 4096 || fb->pitches[0] > 4096) { DRM_DEBUG_KMS("Stride (%u) exceeds hardware max with scaling (%u)\n", fb->pitches[0], 4096); return -EINVAL; } return 0; } static int g4x_sprite_check(struct intel_crtc_state *crtc_state, struct intel_plane_state *plane_state) { struct intel_plane *plane = to_intel_plane(plane_state->base.plane); struct drm_i915_private *dev_priv = to_i915(plane->base.dev); int max_scale, min_scale; int ret; if (INTEL_GEN(dev_priv) < 7) { min_scale = 1; max_scale = 16 << 16; } else if (IS_IVYBRIDGE(dev_priv)) { min_scale = 1; max_scale = 2 << 16; } else { min_scale = DRM_PLANE_HELPER_NO_SCALING; max_scale = DRM_PLANE_HELPER_NO_SCALING; } ret = drm_atomic_helper_check_plane_state(&plane_state->base, &crtc_state->base, min_scale, max_scale, true, true); if (ret) return ret; if (!plane_state->base.visible) return 0; ret = intel_plane_check_src_coordinates(plane_state); if (ret) return ret; ret = g4x_sprite_check_scaling(crtc_state, plane_state); if (ret) return ret; ret = i9xx_check_plane_surface(plane_state); if (ret) return ret; if (INTEL_GEN(dev_priv) >= 7) plane_state->ctl = ivb_sprite_ctl(crtc_state, plane_state); else plane_state->ctl = g4x_sprite_ctl(crtc_state, plane_state); return 0; } int chv_plane_check_rotation(const struct intel_plane_state *plane_state) { struct intel_plane *plane = to_intel_plane(plane_state->base.plane); struct drm_i915_private *dev_priv = to_i915(plane->base.dev); unsigned int rotation = plane_state->base.rotation; /* CHV ignores the mirror bit when the rotate bit is set :( */ if (IS_CHERRYVIEW(dev_priv) && rotation & DRM_MODE_ROTATE_180 && rotation & DRM_MODE_REFLECT_X) { DRM_DEBUG_KMS("Cannot rotate and reflect at the same time\n"); return -EINVAL; } return 0; } static int vlv_sprite_check(struct intel_crtc_state *crtc_state, struct intel_plane_state *plane_state) { int ret; ret = chv_plane_check_rotation(plane_state); if (ret) return ret; ret = drm_atomic_helper_check_plane_state(&plane_state->base, &crtc_state->base, DRM_PLANE_HELPER_NO_SCALING, DRM_PLANE_HELPER_NO_SCALING, true, true); if (ret) return ret; if (!plane_state->base.visible) return 0; ret = intel_plane_check_src_coordinates(plane_state); if (ret) return ret; ret = i9xx_check_plane_surface(plane_state); if (ret) return ret; plane_state->ctl = vlv_sprite_ctl(crtc_state, plane_state); return 0; } static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { const struct drm_framebuffer *fb = plane_state->base.fb; unsigned int rotation = plane_state->base.rotation; struct drm_format_name_buf format_name; if (!fb) return 0; if (rotation & ~(DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180) && is_ccs_modifier(fb->modifier)) { DRM_DEBUG_KMS("RC support only with 0/180 degree rotation (%x)\n", rotation); return -EINVAL; } if (rotation & DRM_MODE_REFLECT_X && fb->modifier == DRM_FORMAT_MOD_LINEAR) { DRM_DEBUG_KMS("horizontal flip is not supported with linear surface formats\n"); return -EINVAL; } if (drm_rotation_90_or_270(rotation)) { if (fb->modifier != I915_FORMAT_MOD_Y_TILED && fb->modifier != I915_FORMAT_MOD_Yf_TILED) { DRM_DEBUG_KMS("Y/Yf tiling required for 90/270!\n"); return -EINVAL; } /* * 90/270 is not allowed with RGB64 16:16:16:16, * RGB 16-bit 5:6:5, and Indexed 8-bit. * TBD: Add RGB64 case once its added in supported format list. */ switch (fb->format->format) { case DRM_FORMAT_C8: case DRM_FORMAT_RGB565: DRM_DEBUG_KMS("Unsupported pixel format %s for 90/270!\n", drm_get_format_name(fb->format->format, &format_name)); return -EINVAL; default: break; } } /* Y-tiling is not supported in IF-ID Interlace mode */ if (crtc_state->base.enable && crtc_state->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE && (fb->modifier == I915_FORMAT_MOD_Y_TILED || fb->modifier == I915_FORMAT_MOD_Yf_TILED || fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS || fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS)) { DRM_DEBUG_KMS("Y/Yf tiling not supported in IF-ID mode\n"); return -EINVAL; } return 0; } static int skl_plane_check_dst_coordinates(const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) { struct drm_i915_private *dev_priv = to_i915(plane_state->base.plane->dev); int crtc_x = plane_state->base.dst.x1; int crtc_w = drm_rect_width(&plane_state->base.dst); int pipe_src_w = crtc_state->pipe_src_w; /* * Display WA #1175: cnl,glk * Planes other than the cursor may cause FIFO underflow and display * corruption if starting less than 4 pixels from the right edge of * the screen. * Besides the above WA fix the similar problem, where planes other * than the cursor ending less than 4 pixels from the left edge of the * screen may cause FIFO underflow and display corruption. */ if ((IS_GEMINILAKE(dev_priv) || IS_CANNONLAKE(dev_priv)) && (crtc_x + crtc_w < 4 || crtc_x > pipe_src_w - 4)) { DRM_DEBUG_KMS("requested plane X %s position %d invalid (valid range %d-%d)\n", crtc_x + crtc_w < 4 ? "end" : "start", crtc_x + crtc_w < 4 ? crtc_x + crtc_w : crtc_x, 4, pipe_src_w - 4); return -ERANGE; } return 0; } int skl_plane_check(struct intel_crtc_state *crtc_state, struct intel_plane_state *plane_state) { struct intel_plane *plane = to_intel_plane(plane_state->base.plane); struct drm_i915_private *dev_priv = to_i915(plane->base.dev); int max_scale, min_scale; int ret; ret = skl_plane_check_fb(crtc_state, plane_state); if (ret) return ret; /* use scaler when colorkey is not required */ if (!plane_state->ckey.flags) { const struct drm_framebuffer *fb = plane_state->base.fb; min_scale = 1; max_scale = skl_max_scale(crtc_state, fb ? fb->format->format : 0); } else { min_scale = DRM_PLANE_HELPER_NO_SCALING; max_scale = DRM_PLANE_HELPER_NO_SCALING; } ret = drm_atomic_helper_check_plane_state(&plane_state->base, &crtc_state->base, min_scale, max_scale, true, true); if (ret) return ret; if (!plane_state->base.visible) return 0; ret = skl_plane_check_dst_coordinates(crtc_state, plane_state); if (ret) return ret; ret = intel_plane_check_src_coordinates(plane_state); if (ret) return ret; ret = skl_check_plane_surface(plane_state); if (ret) return ret; plane_state->ctl = skl_plane_ctl(crtc_state, plane_state); if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) plane_state->color_ctl = glk_plane_color_ctl(crtc_state, plane_state); return 0; } static bool has_dst_key_in_primary_plane(struct drm_i915_private *dev_priv) { return INTEL_GEN(dev_priv) >= 9; } static void intel_plane_set_ckey(struct intel_plane_state *plane_state, const struct drm_intel_sprite_colorkey *set) { struct intel_plane *plane = to_intel_plane(plane_state->base.plane); struct drm_i915_private *dev_priv = to_i915(plane->base.dev); struct drm_intel_sprite_colorkey *key = &plane_state->ckey; *key = *set; /* * We want src key enabled on the * sprite and not on the primary. */ if (plane->id == PLANE_PRIMARY && set->flags & I915_SET_COLORKEY_SOURCE) key->flags = 0; /* * On SKL+ we want dst key enabled on * the primary and not on the sprite. */ if (INTEL_GEN(dev_priv) >= 9 && plane->id != PLANE_PRIMARY && set->flags & I915_SET_COLORKEY_DESTINATION) key->flags = 0; } int intel_sprite_set_colorkey_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_i915_private *dev_priv = to_i915(dev); struct drm_intel_sprite_colorkey *set = data; struct drm_plane *plane; struct drm_plane_state *plane_state; struct drm_atomic_state *state; struct drm_modeset_acquire_ctx ctx; int ret = 0; /* ignore the pointless "none" flag */ set->flags &= ~I915_SET_COLORKEY_NONE; if (set->flags & ~(I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) return -EINVAL; /* Make sure we don't try to enable both src & dest simultaneously */ if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) return -EINVAL; if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) && set->flags & I915_SET_COLORKEY_DESTINATION) return -EINVAL; plane = drm_plane_find(dev, file_priv, set->plane_id); if (!plane || plane->type != DRM_PLANE_TYPE_OVERLAY) return -ENOENT; /* * SKL+ only plane 2 can do destination keying against plane 1. * Also multiple planes can't do destination keying on the same * pipe simultaneously. */ if (INTEL_GEN(dev_priv) >= 9 && to_intel_plane(plane)->id >= PLANE_SPRITE1 && set->flags & I915_SET_COLORKEY_DESTINATION) return -EINVAL; drm_modeset_acquire_init(&ctx, 0); state = drm_atomic_state_alloc(plane->dev); if (!state) { ret = -ENOMEM; goto out; } state->acquire_ctx = &ctx; while (1) { plane_state = drm_atomic_get_plane_state(state, plane); ret = PTR_ERR_OR_ZERO(plane_state); if (!ret) intel_plane_set_ckey(to_intel_plane_state(plane_state), set); /* * On some platforms we have to configure * the dst colorkey on the primary plane. */ if (!ret && has_dst_key_in_primary_plane(dev_priv)) { struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, to_intel_plane(plane)->pipe); plane_state = drm_atomic_get_plane_state(state, crtc->base.primary); ret = PTR_ERR_OR_ZERO(plane_state); if (!ret) intel_plane_set_ckey(to_intel_plane_state(plane_state), set); } if (!ret) ret = drm_atomic_commit(state); if (ret != -EDEADLK) break; drm_atomic_state_clear(state); drm_modeset_backoff(&ctx); } drm_atomic_state_put(state); out: drm_modeset_drop_locks(&ctx); drm_modeset_acquire_fini(&ctx); return ret; } static const uint32_t g4x_plane_formats[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_YUYV, DRM_FORMAT_YVYU, DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, }; static const uint64_t i9xx_plane_format_modifiers[] = { I915_FORMAT_MOD_X_TILED, DRM_FORMAT_MOD_LINEAR, DRM_FORMAT_MOD_INVALID }; static const uint32_t snb_plane_formats[] = { DRM_FORMAT_XBGR8888, DRM_FORMAT_XRGB8888, DRM_FORMAT_YUYV, DRM_FORMAT_YVYU, DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, }; static const uint32_t vlv_plane_formats[] = { DRM_FORMAT_RGB565, DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888, DRM_FORMAT_XBGR8888, DRM_FORMAT_XRGB8888, DRM_FORMAT_XBGR2101010, DRM_FORMAT_ABGR2101010, DRM_FORMAT_YUYV, DRM_FORMAT_YVYU, DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, }; static uint32_t skl_plane_formats[] = { DRM_FORMAT_RGB565, DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888, DRM_FORMAT_XBGR8888, DRM_FORMAT_XRGB8888, DRM_FORMAT_YUYV, DRM_FORMAT_YVYU, DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, }; static uint32_t skl_planar_formats[] = { DRM_FORMAT_RGB565, DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888, DRM_FORMAT_XBGR8888, DRM_FORMAT_XRGB8888, DRM_FORMAT_YUYV, DRM_FORMAT_YVYU, DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, DRM_FORMAT_NV12, }; static const uint64_t skl_plane_format_modifiers_noccs[] = { I915_FORMAT_MOD_Yf_TILED, I915_FORMAT_MOD_Y_TILED, I915_FORMAT_MOD_X_TILED, DRM_FORMAT_MOD_LINEAR, DRM_FORMAT_MOD_INVALID }; static const uint64_t skl_plane_format_modifiers_ccs[] = { I915_FORMAT_MOD_Yf_TILED_CCS, I915_FORMAT_MOD_Y_TILED_CCS, I915_FORMAT_MOD_Yf_TILED, I915_FORMAT_MOD_Y_TILED, I915_FORMAT_MOD_X_TILED, DRM_FORMAT_MOD_LINEAR, DRM_FORMAT_MOD_INVALID }; static bool g4x_sprite_format_mod_supported(struct drm_plane *_plane, u32 format, u64 modifier) { switch (modifier) { case DRM_FORMAT_MOD_LINEAR: case I915_FORMAT_MOD_X_TILED: break; default: return false; } switch (format) { case DRM_FORMAT_XRGB8888: case DRM_FORMAT_YUYV: case DRM_FORMAT_YVYU: case DRM_FORMAT_UYVY: case DRM_FORMAT_VYUY: if (modifier == DRM_FORMAT_MOD_LINEAR || modifier == I915_FORMAT_MOD_X_TILED) return true; /* fall through */ default: return false; } } static bool snb_sprite_format_mod_supported(struct drm_plane *_plane, u32 format, u64 modifier) { switch (modifier) { case DRM_FORMAT_MOD_LINEAR: case I915_FORMAT_MOD_X_TILED: break; default: return false; } switch (format) { case DRM_FORMAT_XRGB8888: case DRM_FORMAT_XBGR8888: case DRM_FORMAT_YUYV: case DRM_FORMAT_YVYU: case DRM_FORMAT_UYVY: case DRM_FORMAT_VYUY: if (modifier == DRM_FORMAT_MOD_LINEAR || modifier == I915_FORMAT_MOD_X_TILED) return true; /* fall through */ default: return false; } } static bool vlv_sprite_format_mod_supported(struct drm_plane *_plane, u32 format, u64 modifier) { switch (modifier) { case DRM_FORMAT_MOD_LINEAR: case I915_FORMAT_MOD_X_TILED: break; default: return false; } switch (format) { case DRM_FORMAT_RGB565: case DRM_FORMAT_ABGR8888: case DRM_FORMAT_ARGB8888: case DRM_FORMAT_XBGR8888: case DRM_FORMAT_XRGB8888: case DRM_FORMAT_XBGR2101010: case DRM_FORMAT_ABGR2101010: case DRM_FORMAT_YUYV: case DRM_FORMAT_YVYU: case DRM_FORMAT_UYVY: case DRM_FORMAT_VYUY: if (modifier == DRM_FORMAT_MOD_LINEAR || modifier == I915_FORMAT_MOD_X_TILED) return true; /* fall through */ default: return false; } } static bool skl_plane_format_mod_supported(struct drm_plane *_plane, u32 format, u64 modifier) { struct intel_plane *plane = to_intel_plane(_plane); switch (modifier) { case DRM_FORMAT_MOD_LINEAR: case I915_FORMAT_MOD_X_TILED: case I915_FORMAT_MOD_Y_TILED: case I915_FORMAT_MOD_Yf_TILED: break; case I915_FORMAT_MOD_Y_TILED_CCS: case I915_FORMAT_MOD_Yf_TILED_CCS: if (!plane->has_ccs) return false; break; default: return false; } switch (format) { case DRM_FORMAT_XRGB8888: case DRM_FORMAT_XBGR8888: case DRM_FORMAT_ARGB8888: case DRM_FORMAT_ABGR8888: if (is_ccs_modifier(modifier)) return true; /* fall through */ case DRM_FORMAT_RGB565: case DRM_FORMAT_XRGB2101010: case DRM_FORMAT_XBGR2101010: case DRM_FORMAT_YUYV: case DRM_FORMAT_YVYU: case DRM_FORMAT_UYVY: case DRM_FORMAT_VYUY: case DRM_FORMAT_NV12: if (modifier == I915_FORMAT_MOD_Yf_TILED) return true; /* fall through */ case DRM_FORMAT_C8: if (modifier == DRM_FORMAT_MOD_LINEAR || modifier == I915_FORMAT_MOD_X_TILED || modifier == I915_FORMAT_MOD_Y_TILED) return true; /* fall through */ default: return false; } } static const struct drm_plane_funcs g4x_sprite_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = intel_plane_destroy, .atomic_get_property = intel_plane_atomic_get_property, .atomic_set_property = intel_plane_atomic_set_property, .atomic_duplicate_state = intel_plane_duplicate_state, .atomic_destroy_state = intel_plane_destroy_state, .format_mod_supported = g4x_sprite_format_mod_supported, }; static const struct drm_plane_funcs snb_sprite_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = intel_plane_destroy, .atomic_get_property = intel_plane_atomic_get_property, .atomic_set_property = intel_plane_atomic_set_property, .atomic_duplicate_state = intel_plane_duplicate_state, .atomic_destroy_state = intel_plane_destroy_state, .format_mod_supported = snb_sprite_format_mod_supported, }; static const struct drm_plane_funcs vlv_sprite_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = intel_plane_destroy, .atomic_get_property = intel_plane_atomic_get_property, .atomic_set_property = intel_plane_atomic_set_property, .atomic_duplicate_state = intel_plane_duplicate_state, .atomic_destroy_state = intel_plane_destroy_state, .format_mod_supported = vlv_sprite_format_mod_supported, }; static const struct drm_plane_funcs skl_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = intel_plane_destroy, .atomic_get_property = intel_plane_atomic_get_property, .atomic_set_property = intel_plane_atomic_set_property, .atomic_duplicate_state = intel_plane_duplicate_state, .atomic_destroy_state = intel_plane_destroy_state, .format_mod_supported = skl_plane_format_mod_supported, }; bool skl_plane_has_ccs(struct drm_i915_private *dev_priv, enum pipe pipe, enum plane_id plane_id) { if (plane_id == PLANE_CURSOR) return false; if (INTEL_GEN(dev_priv) >= 10) return true; if (IS_GEMINILAKE(dev_priv)) return pipe != PIPE_C; return pipe != PIPE_C && (plane_id == PLANE_PRIMARY || plane_id == PLANE_SPRITE0); } struct intel_plane * intel_sprite_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe, int plane) { struct intel_plane *intel_plane = NULL; struct intel_plane_state *state = NULL; const struct drm_plane_funcs *plane_funcs; unsigned long possible_crtcs; const uint32_t *plane_formats; const uint64_t *modifiers; unsigned int supported_rotations; int num_plane_formats; int ret; intel_plane = kzalloc(sizeof(*intel_plane), GFP_KERNEL); if (!intel_plane) { ret = -ENOMEM; goto fail; } state = intel_create_plane_state(&intel_plane->base); if (!state) { ret = -ENOMEM; goto fail; } intel_plane->base.state = &state->base; if (INTEL_GEN(dev_priv) >= 9) { state->scaler_id = -1; intel_plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, PLANE_SPRITE0 + plane); intel_plane->max_stride = skl_plane_max_stride; intel_plane->update_plane = skl_update_plane; intel_plane->disable_plane = skl_disable_plane; intel_plane->get_hw_state = skl_plane_get_hw_state; intel_plane->check_plane = skl_plane_check; if (skl_plane_has_planar(dev_priv, pipe, PLANE_SPRITE0 + plane)) { plane_formats = skl_planar_formats; num_plane_formats = ARRAY_SIZE(skl_planar_formats); } else { plane_formats = skl_plane_formats; num_plane_formats = ARRAY_SIZE(skl_plane_formats); } if (intel_plane->has_ccs) modifiers = skl_plane_format_modifiers_ccs; else modifiers = skl_plane_format_modifiers_noccs; plane_funcs = &skl_plane_funcs; } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { intel_plane->max_stride = i9xx_plane_max_stride; intel_plane->update_plane = vlv_update_plane; intel_plane->disable_plane = vlv_disable_plane; intel_plane->get_hw_state = vlv_plane_get_hw_state; intel_plane->check_plane = vlv_sprite_check; plane_formats = vlv_plane_formats; num_plane_formats = ARRAY_SIZE(vlv_plane_formats); modifiers = i9xx_plane_format_modifiers; plane_funcs = &vlv_sprite_funcs; } else if (INTEL_GEN(dev_priv) >= 7) { intel_plane->max_stride = g4x_sprite_max_stride; intel_plane->update_plane = ivb_update_plane; intel_plane->disable_plane = ivb_disable_plane; intel_plane->get_hw_state = ivb_plane_get_hw_state; intel_plane->check_plane = g4x_sprite_check; plane_formats = snb_plane_formats; num_plane_formats = ARRAY_SIZE(snb_plane_formats); modifiers = i9xx_plane_format_modifiers; plane_funcs = &snb_sprite_funcs; } else { intel_plane->max_stride = g4x_sprite_max_stride; intel_plane->update_plane = g4x_update_plane; intel_plane->disable_plane = g4x_disable_plane; intel_plane->get_hw_state = g4x_plane_get_hw_state; intel_plane->check_plane = g4x_sprite_check; modifiers = i9xx_plane_format_modifiers; if (IS_GEN6(dev_priv)) { plane_formats = snb_plane_formats; num_plane_formats = ARRAY_SIZE(snb_plane_formats); plane_funcs = &snb_sprite_funcs; } else { plane_formats = g4x_plane_formats; num_plane_formats = ARRAY_SIZE(g4x_plane_formats); plane_funcs = &g4x_sprite_funcs; } } if (INTEL_GEN(dev_priv) >= 9) { supported_rotations = DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270; } else if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) { supported_rotations = DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 | DRM_MODE_REFLECT_X; } else { supported_rotations = DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180; } intel_plane->pipe = pipe; intel_plane->i9xx_plane = plane; intel_plane->id = PLANE_SPRITE0 + plane; intel_plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, intel_plane->id); possible_crtcs = (1 << pipe); if (INTEL_GEN(dev_priv) >= 9) ret = drm_universal_plane_init(&dev_priv->drm, &intel_plane->base, possible_crtcs, plane_funcs, plane_formats, num_plane_formats, modifiers, DRM_PLANE_TYPE_OVERLAY, "plane %d%c", plane + 2, pipe_name(pipe)); else ret = drm_universal_plane_init(&dev_priv->drm, &intel_plane->base, possible_crtcs, plane_funcs, plane_formats, num_plane_formats, modifiers, DRM_PLANE_TYPE_OVERLAY, "sprite %c", sprite_name(pipe, plane)); if (ret) goto fail; drm_plane_create_rotation_property(&intel_plane->base, DRM_MODE_ROTATE_0, supported_rotations); drm_plane_create_color_properties(&intel_plane->base, BIT(DRM_COLOR_YCBCR_BT601) | BIT(DRM_COLOR_YCBCR_BT709), BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) | BIT(DRM_COLOR_YCBCR_FULL_RANGE), DRM_COLOR_YCBCR_BT709, DRM_COLOR_YCBCR_LIMITED_RANGE); drm_plane_helper_add(&intel_plane->base, &intel_plane_helper_funcs); return intel_plane; fail: kfree(state); kfree(intel_plane); return ERR_PTR(ret); }