vmwgfx_kms.c 52.3 KB
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/**************************************************************************
 *
 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
 * All Rights Reserved.
 *
 * 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
 *
 **************************************************************************/

#include "vmwgfx_kms.h"

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/* Might need a hrtimer here? */
#define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)

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struct vmw_clip_rect {
	int x1, x2, y1, y2;
};

/**
 * Clip @num_rects number of @rects against @clip storing the
 * results in @out_rects and the number of passed rects in @out_num.
 */
void vmw_clip_cliprects(struct drm_clip_rect *rects,
			int num_rects,
			struct vmw_clip_rect clip,
			SVGASignedRect *out_rects,
			int *out_num)
{
	int i, k;

	for (i = 0, k = 0; i < num_rects; i++) {
		int x1 = max_t(int, clip.x1, rects[i].x1);
		int y1 = max_t(int, clip.y1, rects[i].y1);
		int x2 = min_t(int, clip.x2, rects[i].x2);
		int y2 = min_t(int, clip.y2, rects[i].y2);

		if (x1 >= x2)
			continue;
		if (y1 >= y2)
			continue;

		out_rects[k].left   = x1;
		out_rects[k].top    = y1;
		out_rects[k].right  = x2;
		out_rects[k].bottom = y2;
		k++;
	}

	*out_num = k;
}

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void vmw_display_unit_cleanup(struct vmw_display_unit *du)
{
	if (du->cursor_surface)
		vmw_surface_unreference(&du->cursor_surface);
	if (du->cursor_dmabuf)
		vmw_dmabuf_unreference(&du->cursor_dmabuf);
	drm_crtc_cleanup(&du->crtc);
	drm_encoder_cleanup(&du->encoder);
	drm_connector_cleanup(&du->connector);
}

/*
 * Display Unit Cursor functions
 */

int vmw_cursor_update_image(struct vmw_private *dev_priv,
			    u32 *image, u32 width, u32 height,
			    u32 hotspotX, u32 hotspotY)
{
	struct {
		u32 cmd;
		SVGAFifoCmdDefineAlphaCursor cursor;
	} *cmd;
	u32 image_size = width * height * 4;
	u32 cmd_size = sizeof(*cmd) + image_size;

	if (!image)
		return -EINVAL;

	cmd = vmw_fifo_reserve(dev_priv, cmd_size);
	if (unlikely(cmd == NULL)) {
		DRM_ERROR("Fifo reserve failed.\n");
		return -ENOMEM;
	}

	memset(cmd, 0, sizeof(*cmd));

	memcpy(&cmd[1], image, image_size);

	cmd->cmd = cpu_to_le32(SVGA_CMD_DEFINE_ALPHA_CURSOR);
	cmd->cursor.id = cpu_to_le32(0);
	cmd->cursor.width = cpu_to_le32(width);
	cmd->cursor.height = cpu_to_le32(height);
	cmd->cursor.hotspotX = cpu_to_le32(hotspotX);
	cmd->cursor.hotspotY = cpu_to_le32(hotspotY);

	vmw_fifo_commit(dev_priv, cmd_size);

	return 0;
}

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int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
			     struct vmw_dma_buffer *dmabuf,
			     u32 width, u32 height,
			     u32 hotspotX, u32 hotspotY)
{
	struct ttm_bo_kmap_obj map;
	unsigned long kmap_offset;
	unsigned long kmap_num;
	void *virtual;
	bool dummy;
	int ret;

	kmap_offset = 0;
	kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;

	ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
	if (unlikely(ret != 0)) {
		DRM_ERROR("reserve failed\n");
		return -EINVAL;
	}

	ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
	if (unlikely(ret != 0))
		goto err_unreserve;

	virtual = ttm_kmap_obj_virtual(&map, &dummy);
	ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
				      hotspotX, hotspotY);

	ttm_bo_kunmap(&map);
err_unreserve:
	ttm_bo_unreserve(&dmabuf->base);

	return ret;
}


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void vmw_cursor_update_position(struct vmw_private *dev_priv,
				bool show, int x, int y)
{
	__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
	uint32_t count;

	iowrite32(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
	iowrite32(x, fifo_mem + SVGA_FIFO_CURSOR_X);
	iowrite32(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
	count = ioread32(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
	iowrite32(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
}

int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
			   uint32_t handle, uint32_t width, uint32_t height)
{
	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
	struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
	struct vmw_surface *surface = NULL;
	struct vmw_dma_buffer *dmabuf = NULL;
	int ret;

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	/* A lot of the code assumes this */
	if (handle && (width != 64 || height != 64))
		return -EINVAL;

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	if (handle) {
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		ret = vmw_user_lookup_handle(dev_priv, tfile,
					     handle, &surface, &dmabuf);
		if (ret) {
			DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
			return -EINVAL;
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		}
	}

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	/* need to do this before taking down old image */
	if (surface && !surface->snooper.image) {
		DRM_ERROR("surface not suitable for cursor\n");
		vmw_surface_unreference(&surface);
		return -EINVAL;
	}

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	/* takedown old cursor */
	if (du->cursor_surface) {
		du->cursor_surface->snooper.crtc = NULL;
		vmw_surface_unreference(&du->cursor_surface);
	}
	if (du->cursor_dmabuf)
		vmw_dmabuf_unreference(&du->cursor_dmabuf);

	/* setup new image */
	if (surface) {
		/* vmw_user_surface_lookup takes one reference */
		du->cursor_surface = surface;

		du->cursor_surface->snooper.crtc = crtc;
		du->cursor_age = du->cursor_surface->snooper.age;
		vmw_cursor_update_image(dev_priv, surface->snooper.image,
					64, 64, du->hotspot_x, du->hotspot_y);
	} else if (dmabuf) {
		/* vmw_user_surface_lookup takes one reference */
		du->cursor_dmabuf = dmabuf;

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		ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
					       du->hotspot_x, du->hotspot_y);
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	} else {
		vmw_cursor_update_position(dev_priv, false, 0, 0);
		return 0;
	}

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	vmw_cursor_update_position(dev_priv, true,
				   du->cursor_x + du->hotspot_x,
				   du->cursor_y + du->hotspot_y);
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	return 0;
}

int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
{
	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
	struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
	bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false;

	du->cursor_x = x + crtc->x;
	du->cursor_y = y + crtc->y;

	vmw_cursor_update_position(dev_priv, shown,
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				   du->cursor_x + du->hotspot_x,
				   du->cursor_y + du->hotspot_y);
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	return 0;
}

void vmw_kms_cursor_snoop(struct vmw_surface *srf,
			  struct ttm_object_file *tfile,
			  struct ttm_buffer_object *bo,
			  SVGA3dCmdHeader *header)
{
	struct ttm_bo_kmap_obj map;
	unsigned long kmap_offset;
	unsigned long kmap_num;
	SVGA3dCopyBox *box;
	unsigned box_count;
	void *virtual;
	bool dummy;
	struct vmw_dma_cmd {
		SVGA3dCmdHeader header;
		SVGA3dCmdSurfaceDMA dma;
	} *cmd;
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	int i, ret;
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	cmd = container_of(header, struct vmw_dma_cmd, header);

	/* No snooper installed */
	if (!srf->snooper.image)
		return;

	if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) {
		DRM_ERROR("face and mipmap for cursors should never != 0\n");
		return;
	}

	if (cmd->header.size < 64) {
		DRM_ERROR("at least one full copy box must be given\n");
		return;
	}

	box = (SVGA3dCopyBox *)&cmd[1];
	box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
			sizeof(SVGA3dCopyBox);

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	if (cmd->dma.guest.ptr.offset % PAGE_SIZE ||
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	    box->x != 0    || box->y != 0    || box->z != 0    ||
	    box->srcx != 0 || box->srcy != 0 || box->srcz != 0 ||
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	    box->d != 1    || box_count != 1) {
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		/* TODO handle none page aligned offsets */
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		/* TODO handle more dst & src != 0 */
		/* TODO handle more then one copy */
		DRM_ERROR("Cant snoop dma request for cursor!\n");
		DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
			  box->srcx, box->srcy, box->srcz,
			  box->x, box->y, box->z,
			  box->w, box->h, box->d, box_count,
			  cmd->dma.guest.ptr.offset);
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		return;
	}

	kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
	kmap_num = (64*64*4) >> PAGE_SHIFT;

	ret = ttm_bo_reserve(bo, true, false, false, 0);
	if (unlikely(ret != 0)) {
		DRM_ERROR("reserve failed\n");
		return;
	}

	ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
	if (unlikely(ret != 0))
		goto err_unreserve;

	virtual = ttm_kmap_obj_virtual(&map, &dummy);

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	if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
		memcpy(srf->snooper.image, virtual, 64*64*4);
	} else {
		/* Image is unsigned pointer. */
		for (i = 0; i < box->h; i++)
			memcpy(srf->snooper.image + i * 64,
			       virtual + i * cmd->dma.guest.pitch,
			       box->w * 4);
	}

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	srf->snooper.age++;

	/* we can't call this function from this function since execbuf has
	 * reserved fifo space.
	 *
	 * if (srf->snooper.crtc)
	 *	vmw_ldu_crtc_cursor_update_image(dev_priv,
	 *					 srf->snooper.image, 64, 64,
	 *					 du->hotspot_x, du->hotspot_y);
	 */

	ttm_bo_kunmap(&map);
err_unreserve:
	ttm_bo_unreserve(bo);
}

void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
{
	struct drm_device *dev = dev_priv->dev;
	struct vmw_display_unit *du;
	struct drm_crtc *crtc;

	mutex_lock(&dev->mode_config.mutex);

	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
		du = vmw_crtc_to_du(crtc);
		if (!du->cursor_surface ||
		    du->cursor_age == du->cursor_surface->snooper.age)
			continue;

		du->cursor_age = du->cursor_surface->snooper.age;
		vmw_cursor_update_image(dev_priv,
					du->cursor_surface->snooper.image,
					64, 64, du->hotspot_x, du->hotspot_y);
	}

	mutex_unlock(&dev->mode_config.mutex);
}

/*
 * Generic framebuffer code
 */

int vmw_framebuffer_create_handle(struct drm_framebuffer *fb,
				  struct drm_file *file_priv,
				  unsigned int *handle)
{
	if (handle)
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		*handle = 0;
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	return 0;
}

/*
 * Surface framebuffer code
 */

#define vmw_framebuffer_to_vfbs(x) \
	container_of(x, struct vmw_framebuffer_surface, base.base)

struct vmw_framebuffer_surface {
	struct vmw_framebuffer base;
	struct vmw_surface *surface;
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	struct vmw_dma_buffer *buffer;
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	struct list_head head;
	struct drm_master *master;
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};

void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
{
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	struct vmw_framebuffer_surface *vfbs =
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		vmw_framebuffer_to_vfbs(framebuffer);
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	struct vmw_master *vmaster = vmw_master(vfbs->master);


	mutex_lock(&vmaster->fb_surf_mutex);
	list_del(&vfbs->head);
	mutex_unlock(&vmaster->fb_surf_mutex);
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	drm_master_put(&vfbs->master);
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	drm_framebuffer_cleanup(framebuffer);
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	vmw_surface_unreference(&vfbs->surface);
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	ttm_base_object_unref(&vfbs->base.user_obj);
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	kfree(vfbs);
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}

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static int do_surface_dirty_sou(struct vmw_private *dev_priv,
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				struct drm_file *file_priv,
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				struct vmw_framebuffer *framebuffer,
				unsigned flags, unsigned color,
				struct drm_clip_rect *clips,
				unsigned num_clips, int inc)
{
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	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
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	struct drm_clip_rect *clips_ptr;
	struct drm_clip_rect *tmp;
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	struct drm_crtc *crtc;
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	size_t fifo_size;
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	int i, num_units;
	int ret = 0; /* silence warning */
	int left, right, top, bottom;
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	struct {
		SVGA3dCmdHeader header;
		SVGA3dCmdBlitSurfaceToScreen body;
	} *cmd;
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	SVGASignedRect *blits;
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	num_units = 0;
	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
			    head) {
		if (crtc->fb != &framebuffer->base)
			continue;
		units[num_units++] = vmw_crtc_to_du(crtc);
	}

	BUG_ON(!clips || !num_clips);

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	tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
	if (unlikely(tmp == NULL)) {
		DRM_ERROR("Temporary cliprect memory alloc failed.\n");
		return -ENOMEM;
	}

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	fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
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	cmd = kzalloc(fifo_size, GFP_KERNEL);
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	if (unlikely(cmd == NULL)) {
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		DRM_ERROR("Temporary fifo memory alloc failed.\n");
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		ret = -ENOMEM;
		goto out_free_tmp;
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	}

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	/* setup blits pointer */
	blits = (SVGASignedRect *)&cmd[1];

	/* initial clip region */
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	left = clips->x1;
	right = clips->x2;
	top = clips->y1;
	bottom = clips->y2;

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	/* skip the first clip rect */
	for (i = 1, clips_ptr = clips + inc;
	     i < num_clips; i++, clips_ptr += inc) {
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		left = min_t(int, left, (int)clips_ptr->x1);
		right = max_t(int, right, (int)clips_ptr->x2);
		top = min_t(int, top, (int)clips_ptr->y1);
		bottom = max_t(int, bottom, (int)clips_ptr->y2);
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	}

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	/* only need to do this once */
	memset(cmd, 0, fifo_size);
	cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
	cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));

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	cmd->body.srcRect.left = left;
	cmd->body.srcRect.right = right;
	cmd->body.srcRect.top = top;
	cmd->body.srcRect.bottom = bottom;

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	clips_ptr = clips;
	for (i = 0; i < num_clips; i++, clips_ptr += inc) {
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		tmp[i].x1 = clips_ptr->x1 - left;
		tmp[i].x2 = clips_ptr->x2 - left;
		tmp[i].y1 = clips_ptr->y1 - top;
		tmp[i].y2 = clips_ptr->y2 - top;
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	}

	/* do per unit writing, reuse fifo for each */
	for (i = 0; i < num_units; i++) {
		struct vmw_display_unit *unit = units[i];
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		struct vmw_clip_rect clip;
		int num;

		clip.x1 = left - unit->crtc.x;
		clip.y1 = top - unit->crtc.y;
		clip.x2 = right - unit->crtc.x;
		clip.y2 = bottom - unit->crtc.y;
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		/* skip any crtcs that misses the clip region */
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		if (clip.x1 >= unit->crtc.mode.hdisplay ||
		    clip.y1 >= unit->crtc.mode.vdisplay ||
		    clip.x2 <= 0 || clip.y2 <= 0)
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			continue;

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		/*
		 * In order for the clip rects to be correctly scaled
		 * the src and dest rects needs to be the same size.
		 */
		cmd->body.destRect.left = clip.x1;
		cmd->body.destRect.right = clip.x2;
		cmd->body.destRect.top = clip.y1;
		cmd->body.destRect.bottom = clip.y2;

		/* create a clip rect of the crtc in dest coords */
		clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
		clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
		clip.x1 = 0 - clip.x1;
		clip.y1 = 0 - clip.y1;

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		/* need to reset sid as it is changed by execbuf */
		cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
		cmd->body.destScreenId = unit->unit;

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		/* clip and write blits to cmd stream */
		vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
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		/* if no cliprects hit skip this */
		if (num == 0)
			continue;
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		/* recalculate package length */
		fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
		cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
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		ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
					  fifo_size, 0, NULL);

		if (unlikely(ret != 0))
			break;
	}
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	kfree(cmd);
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out_free_tmp:
	kfree(tmp);
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	return ret;
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}
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int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
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				  struct drm_file *file_priv,
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				  unsigned flags, unsigned color,
				  struct drm_clip_rect *clips,
				  unsigned num_clips)
{
	struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
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	struct vmw_master *vmaster = vmw_master(file_priv->master);
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	struct vmw_framebuffer_surface *vfbs =
		vmw_framebuffer_to_vfbs(framebuffer);
	struct drm_clip_rect norect;
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	int ret, inc = 1;
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	if (unlikely(vfbs->master != file_priv->master))
		return -EINVAL;

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	/* Require ScreenObject support for 3D */
	if (!dev_priv->sou_priv)
		return -EINVAL;

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	ret = ttm_read_lock(&vmaster->lock, true);
	if (unlikely(ret != 0))
		return ret;

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	if (!num_clips) {
		num_clips = 1;
		clips = &norect;
		norect.x1 = norect.y1 = 0;
		norect.x2 = framebuffer->width;
		norect.y2 = framebuffer->height;
	} else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
		num_clips /= 2;
		inc = 2; /* skip source rects */
	}

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	ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base,
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				   flags, color,
				   clips, num_clips, inc);
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	ttm_read_unlock(&vmaster->lock);
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	return 0;
}

static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
	.destroy = vmw_framebuffer_surface_destroy,
	.dirty = vmw_framebuffer_surface_dirty,
	.create_handle = vmw_framebuffer_create_handle,
};

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static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
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					   struct drm_file *file_priv,
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					   struct vmw_surface *surface,
					   struct vmw_framebuffer **out,
					   const struct drm_mode_fb_cmd
					   *mode_cmd)
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{
	struct drm_device *dev = dev_priv->dev;
	struct vmw_framebuffer_surface *vfbs;
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	enum SVGA3dSurfaceFormat format;
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	struct vmw_master *vmaster = vmw_master(file_priv->master);
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	int ret;

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	/* 3D is only supported on HWv8 hosts which supports screen objects */
	if (!dev_priv->sou_priv)
		return -ENOSYS;

631 632 633 634
	/*
	 * Sanity checks.
	 */

635 636 637 638
	/* Surface must be marked as a scanout. */
	if (unlikely(!surface->scanout))
		return -EINVAL;

639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661
	if (unlikely(surface->mip_levels[0] != 1 ||
		     surface->num_sizes != 1 ||
		     surface->sizes[0].width < mode_cmd->width ||
		     surface->sizes[0].height < mode_cmd->height ||
		     surface->sizes[0].depth != 1)) {
		DRM_ERROR("Incompatible surface dimensions "
			  "for requested mode.\n");
		return -EINVAL;
	}

	switch (mode_cmd->depth) {
	case 32:
		format = SVGA3D_A8R8G8B8;
		break;
	case 24:
		format = SVGA3D_X8R8G8B8;
		break;
	case 16:
		format = SVGA3D_R5G6B5;
		break;
	case 15:
		format = SVGA3D_A1R5G5B5;
		break;
M
Michel Dänzer 已提交
662 663 664
	case 8:
		format = SVGA3D_LUMINANCE8;
		break;
665 666 667 668 669 670 671 672 673 674
	default:
		DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
		return -EINVAL;
	}

	if (unlikely(format != surface->format)) {
		DRM_ERROR("Invalid surface format for requested mode.\n");
		return -EINVAL;
	}

675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691
	vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
	if (!vfbs) {
		ret = -ENOMEM;
		goto out_err1;
	}

	ret = drm_framebuffer_init(dev, &vfbs->base.base,
				   &vmw_framebuffer_surface_funcs);
	if (ret)
		goto out_err2;

	if (!vmw_surface_reference(surface)) {
		DRM_ERROR("failed to reference surface %p\n", surface);
		goto out_err3;
	}

	/* XXX get the first 3 from the surface info */
692
	vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
693
	vfbs->base.base.pitches[0] = mode_cmd->pitch;
694 695 696
	vfbs->base.base.depth = mode_cmd->depth;
	vfbs->base.base.width = mode_cmd->width;
	vfbs->base.base.height = mode_cmd->height;
697
	vfbs->surface = surface;
698
	vfbs->base.user_handle = mode_cmd->handle;
699 700 701 702 703 704
	vfbs->master = drm_master_get(file_priv->master);

	mutex_lock(&vmaster->fb_surf_mutex);
	list_add_tail(&vfbs->head, &vmaster->fb_surf);
	mutex_unlock(&vmaster->fb_surf_mutex);

705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735
	*out = &vfbs->base;

	return 0;

out_err3:
	drm_framebuffer_cleanup(&vfbs->base.base);
out_err2:
	kfree(vfbs);
out_err1:
	return ret;
}

/*
 * Dmabuf framebuffer code
 */

#define vmw_framebuffer_to_vfbd(x) \
	container_of(x, struct vmw_framebuffer_dmabuf, base.base)

struct vmw_framebuffer_dmabuf {
	struct vmw_framebuffer base;
	struct vmw_dma_buffer *buffer;
};

void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
{
	struct vmw_framebuffer_dmabuf *vfbd =
		vmw_framebuffer_to_vfbd(framebuffer);

	drm_framebuffer_cleanup(framebuffer);
	vmw_dmabuf_unreference(&vfbd->buffer);
736
	ttm_base_object_unref(&vfbd->base.user_obj);
737 738 739 740

	kfree(vfbd);
}

741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774
static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv,
			       struct vmw_framebuffer *framebuffer,
			       unsigned flags, unsigned color,
			       struct drm_clip_rect *clips,
			       unsigned num_clips, int increment)
{
	size_t fifo_size;
	int i;

	struct {
		uint32_t header;
		SVGAFifoCmdUpdate body;
	} *cmd;

	fifo_size = sizeof(*cmd) * num_clips;
	cmd = vmw_fifo_reserve(dev_priv, fifo_size);
	if (unlikely(cmd == NULL)) {
		DRM_ERROR("Fifo reserve failed.\n");
		return -ENOMEM;
	}

	memset(cmd, 0, fifo_size);
	for (i = 0; i < num_clips; i++, clips += increment) {
		cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE);
		cmd[i].body.x = cpu_to_le32(clips->x1);
		cmd[i].body.y = cpu_to_le32(clips->y1);
		cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1);
		cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1);
	}

	vmw_fifo_commit(dev_priv, fifo_size);
	return 0;
}

775 776 777
static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
				  struct vmw_private *dev_priv,
				  struct vmw_framebuffer *framebuffer)
778
{
779
	int depth = framebuffer->base.depth;
780
	size_t fifo_size;
781
	int ret;
782 783 784 785 786 787

	struct {
		uint32_t header;
		SVGAFifoCmdDefineGMRFB body;
	} *cmd;

788 789 790 791 792 793 794
	/* Emulate RGBA support, contrary to svga_reg.h this is not
	 * supported by hosts. This is only a problem if we are reading
	 * this value later and expecting what we uploaded back.
	 */
	if (depth == 32)
		depth = 24;

795
	fifo_size = sizeof(*cmd);
796 797 798 799 800 801 802 803 804
	cmd = kmalloc(fifo_size, GFP_KERNEL);
	if (unlikely(cmd == NULL)) {
		DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
		return -ENOMEM;
	}

	memset(cmd, 0, fifo_size);
	cmd->header = SVGA_CMD_DEFINE_GMRFB;
	cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel;
805
	cmd->body.format.colorDepth = depth;
806
	cmd->body.format.reserved = 0;
807
	cmd->body.bytesPerLine = framebuffer->base.pitches[0];
808
	cmd->body.ptr.gmrId = framebuffer->user_handle;
809 810 811 812 813 814 815 816 817 818
	cmd->body.ptr.offset = 0;

	ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
				  fifo_size, 0, NULL);

	kfree(cmd);

	return ret;
}

819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864
static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
			       struct vmw_private *dev_priv,
			       struct vmw_framebuffer *framebuffer,
			       unsigned flags, unsigned color,
			       struct drm_clip_rect *clips,
			       unsigned num_clips, int increment)
{
	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
	struct drm_clip_rect *clips_ptr;
	int i, k, num_units, ret;
	struct drm_crtc *crtc;
	size_t fifo_size;

	struct {
		uint32_t header;
		SVGAFifoCmdBlitGMRFBToScreen body;
	} *blits;

	ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer);
	if (unlikely(ret != 0))
		return ret; /* define_gmrfb prints warnings */

	fifo_size = sizeof(*blits) * num_clips;
	blits = kmalloc(fifo_size, GFP_KERNEL);
	if (unlikely(blits == NULL)) {
		DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
		return -ENOMEM;
	}

	num_units = 0;
	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
		if (crtc->fb != &framebuffer->base)
			continue;
		units[num_units++] = vmw_crtc_to_du(crtc);
	}

	for (k = 0; k < num_units; k++) {
		struct vmw_display_unit *unit = units[k];
		int hit_num = 0;

		clips_ptr = clips;
		for (i = 0; i < num_clips; i++, clips_ptr += increment) {
			int clip_x1 = clips_ptr->x1 - unit->crtc.x;
			int clip_y1 = clips_ptr->y1 - unit->crtc.y;
			int clip_x2 = clips_ptr->x2 - unit->crtc.x;
			int clip_y2 = clips_ptr->y2 - unit->crtc.y;
865
			int move_x, move_y;
866 867 868 869 870 871 872

			/* skip any crtcs that misses the clip region */
			if (clip_x1 >= unit->crtc.mode.hdisplay ||
			    clip_y1 >= unit->crtc.mode.vdisplay ||
			    clip_x2 <= 0 || clip_y2 <= 0)
				continue;

873 874 875 876 877 878 879 880 881
			/* clip size to crtc size */
			clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
			clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);

			/* translate both src and dest to bring clip into screen */
			move_x = min_t(int, clip_x1, 0);
			move_y = min_t(int, clip_y1, 0);

			/* actual translate done here */
882 883
			blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
			blits[hit_num].body.destScreenId = unit->unit;
884 885 886 887
			blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
			blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
			blits[hit_num].body.destRect.left = clip_x1 - move_x;
			blits[hit_num].body.destRect.top = clip_y1 - move_y;
888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909
			blits[hit_num].body.destRect.right = clip_x2;
			blits[hit_num].body.destRect.bottom = clip_y2;
			hit_num++;
		}

		/* no clips hit the crtc */
		if (hit_num == 0)
			continue;

		fifo_size = sizeof(*blits) * hit_num;
		ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits,
					  fifo_size, 0, NULL);

		if (unlikely(ret != 0))
			break;
	}

	kfree(blits);

	return ret;
}

910
int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
911
				 struct drm_file *file_priv,
912 913 914 915 916
				 unsigned flags, unsigned color,
				 struct drm_clip_rect *clips,
				 unsigned num_clips)
{
	struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
917
	struct vmw_master *vmaster = vmw_master(file_priv->master);
918 919
	struct vmw_framebuffer_dmabuf *vfbd =
		vmw_framebuffer_to_vfbd(framebuffer);
920
	struct drm_clip_rect norect;
921
	int ret, increment = 1;
922

923 924 925 926
	ret = ttm_read_lock(&vmaster->lock, true);
	if (unlikely(ret != 0))
		return ret;

927
	if (!num_clips) {
928 929 930 931 932 933 934 935 936 937
		num_clips = 1;
		clips = &norect;
		norect.x1 = norect.y1 = 0;
		norect.x2 = framebuffer->width;
		norect.y2 = framebuffer->height;
	} else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
		num_clips /= 2;
		increment = 2;
	}

938
	if (dev_priv->ldu_priv) {
939
		ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base,
940 941 942 943
					  flags, color,
					  clips, num_clips, increment);
	} else {
		ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base,
944
					  flags, color,
945 946
					  clips, num_clips, increment);
	}
947

948
	ttm_read_unlock(&vmaster->lock);
949
	return ret;
950 951 952 953 954 955 956 957
}

static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
	.destroy = vmw_framebuffer_dmabuf_destroy,
	.dirty = vmw_framebuffer_dmabuf_dirty,
	.create_handle = vmw_framebuffer_create_handle,
};

958 959 960
/**
 * Pin the dmabuffer to the start of vram.
 */
961 962 963 964 965 966 967
static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb)
{
	struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
	struct vmw_framebuffer_dmabuf *vfbd =
		vmw_framebuffer_to_vfbd(&vfb->base);
	int ret;

968 969
	/* This code should not be used with screen objects */
	BUG_ON(dev_priv->sou_priv);
970

971 972
	vmw_overlay_pause_all(dev_priv);

973
	ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false);
974 975 976

	vmw_overlay_resume_all(dev_priv);

977 978
	WARN_ON(ret != 0);

979 980 981 982 983 984 985 986 987 988 989 990 991 992
	return 0;
}

static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb)
{
	struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
	struct vmw_framebuffer_dmabuf *vfbd =
		vmw_framebuffer_to_vfbd(&vfb->base);

	if (!vfbd->buffer) {
		WARN_ON(!vfbd->buffer);
		return 0;
	}

993
	return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false);
994 995
}

996 997 998 999 1000
static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
					  struct vmw_dma_buffer *dmabuf,
					  struct vmw_framebuffer **out,
					  const struct drm_mode_fb_cmd
					  *mode_cmd)
1001 1002 1003 1004

{
	struct drm_device *dev = dev_priv->dev;
	struct vmw_framebuffer_dmabuf *vfbd;
1005
	unsigned int requested_size;
1006 1007
	int ret;

1008 1009 1010 1011 1012 1013 1014
	requested_size = mode_cmd->height * mode_cmd->pitch;
	if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) {
		DRM_ERROR("Screen buffer object size is too small "
			  "for requested mode.\n");
		return -EINVAL;
	}

1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041
	/* Limited framebuffer color depth support for screen objects */
	if (dev_priv->sou_priv) {
		switch (mode_cmd->depth) {
		case 32:
		case 24:
			/* Only support 32 bpp for 32 and 24 depth fbs */
			if (mode_cmd->bpp == 32)
				break;

			DRM_ERROR("Invalid color depth/bbp: %d %d\n",
				  mode_cmd->depth, mode_cmd->bpp);
			return -EINVAL;
		case 16:
		case 15:
			/* Only support 16 bpp for 16 and 15 depth fbs */
			if (mode_cmd->bpp == 16)
				break;

			DRM_ERROR("Invalid color depth/bbp: %d %d\n",
				  mode_cmd->depth, mode_cmd->bpp);
			return -EINVAL;
		default:
			DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
			return -EINVAL;
		}
	}

1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057
	vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
	if (!vfbd) {
		ret = -ENOMEM;
		goto out_err1;
	}

	ret = drm_framebuffer_init(dev, &vfbd->base.base,
				   &vmw_framebuffer_dmabuf_funcs);
	if (ret)
		goto out_err2;

	if (!vmw_dmabuf_reference(dmabuf)) {
		DRM_ERROR("failed to reference dmabuf %p\n", dmabuf);
		goto out_err3;
	}

1058
	vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
1059
	vfbd->base.base.pitches[0] = mode_cmd->pitch;
1060 1061 1062
	vfbd->base.base.depth = mode_cmd->depth;
	vfbd->base.base.width = mode_cmd->width;
	vfbd->base.base.height = mode_cmd->height;
1063 1064 1065 1066
	if (!dev_priv->sou_priv) {
		vfbd->base.pin = vmw_framebuffer_dmabuf_pin;
		vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin;
	}
1067
	vfbd->base.dmabuf = true;
1068
	vfbd->buffer = dmabuf;
1069
	vfbd->base.user_handle = mode_cmd->handle;
1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087
	*out = &vfbd->base;

	return 0;

out_err3:
	drm_framebuffer_cleanup(&vfbd->base.base);
out_err2:
	kfree(vfbd);
out_err1:
	return ret;
}

/*
 * Generic Kernel modesetting functions
 */

static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
						 struct drm_file *file_priv,
1088
						 struct drm_mode_fb_cmd2 *mode_cmd2)
1089 1090 1091 1092 1093 1094
{
	struct vmw_private *dev_priv = vmw_priv(dev);
	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
	struct vmw_framebuffer *vfb = NULL;
	struct vmw_surface *surface = NULL;
	struct vmw_dma_buffer *bo = NULL;
1095
	struct ttm_base_object *user_obj;
1096
	struct drm_mode_fb_cmd mode_cmd;
1097 1098
	int ret;

1099 1100 1101 1102
	mode_cmd.width = mode_cmd2->width;
	mode_cmd.height = mode_cmd2->height;
	mode_cmd.pitch = mode_cmd2->pitches[0];
	mode_cmd.handle = mode_cmd2->handles[0];
1103
	drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth,
1104 1105
				    &mode_cmd.bpp);

1106 1107 1108 1109 1110 1111
	/**
	 * This code should be conditioned on Screen Objects not being used.
	 * If screen objects are used, we can allocate a GMR to hold the
	 * requested framebuffer.
	 */

1112
	if (!vmw_kms_validate_mode_vram(dev_priv,
1113 1114
					mode_cmd.pitch,
					mode_cmd.height)) {
1115
		DRM_ERROR("VRAM size is too small for requested mode.\n");
1116
		return ERR_PTR(-ENOMEM);
1117 1118
	}

1119 1120 1121 1122 1123 1124 1125 1126 1127
	/*
	 * Take a reference on the user object of the resource
	 * backing the kms fb. This ensures that user-space handle
	 * lookups on that resource will always work as long as
	 * it's registered with a kms framebuffer. This is important,
	 * since vmw_execbuf_process identifies resources in the
	 * command stream using user-space handles.
	 */

1128
	user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle);
1129 1130 1131 1132 1133
	if (unlikely(user_obj == NULL)) {
		DRM_ERROR("Could not locate requested kms frame buffer.\n");
		return ERR_PTR(-ENOENT);
	}

1134 1135 1136 1137
	/**
	 * End conditioned code.
	 */

1138 1139
	/* returns either a dmabuf or surface */
	ret = vmw_user_lookup_handle(dev_priv, tfile,
1140
				     mode_cmd.handle,
1141
				     &surface, &bo);
1142
	if (ret)
1143 1144 1145 1146 1147
		goto err_out;

	/* Create the new framebuffer depending one what we got back */
	if (bo)
		ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
1148
						     &mode_cmd);
1149 1150
	else if (surface)
		ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
1151
						      surface, &vfb, &mode_cmd);
1152 1153 1154 1155 1156 1157 1158 1159 1160
	else
		BUG();

err_out:
	/* vmw_user_lookup_handle takes one ref so does new_fb */
	if (bo)
		vmw_dmabuf_unreference(&bo);
	if (surface)
		vmw_surface_unreference(&surface);
1161 1162 1163

	if (ret) {
		DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
1164
		ttm_base_object_unref(&user_obj);
1165
		return ERR_PTR(ret);
1166 1167
	} else
		vfb->user_obj = user_obj;
1168 1169 1170 1171 1172 1173 1174 1175

	return &vfb->base;
}

static struct drm_mode_config_funcs vmw_kms_funcs = {
	.fb_create = vmw_kms_fb_create,
};

1176 1177 1178 1179 1180 1181 1182 1183 1184
int vmw_kms_present(struct vmw_private *dev_priv,
		    struct drm_file *file_priv,
		    struct vmw_framebuffer *vfb,
		    struct vmw_surface *surface,
		    uint32_t sid,
		    int32_t destX, int32_t destY,
		    struct drm_vmw_rect *clips,
		    uint32_t num_clips)
{
1185
	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1186
	struct drm_clip_rect *tmp;
1187
	struct drm_crtc *crtc;
1188
	size_t fifo_size;
1189 1190
	int i, k, num_units;
	int ret = 0; /* silence warning */
1191
	int left, right, top, bottom;
1192 1193 1194 1195 1196 1197 1198

	struct {
		SVGA3dCmdHeader header;
		SVGA3dCmdBlitSurfaceToScreen body;
	} *cmd;
	SVGASignedRect *blits;

1199 1200 1201 1202 1203 1204 1205
	num_units = 0;
	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
		if (crtc->fb != &vfb->base)
			continue;
		units[num_units++] = vmw_crtc_to_du(crtc);
	}

1206 1207 1208
	BUG_ON(surface == NULL);
	BUG_ON(!clips || !num_clips);

1209 1210 1211 1212 1213 1214
	tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
	if (unlikely(tmp == NULL)) {
		DRM_ERROR("Temporary cliprect memory alloc failed.\n");
		return -ENOMEM;
	}

1215 1216 1217 1218
	fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
	cmd = kmalloc(fifo_size, GFP_KERNEL);
	if (unlikely(cmd == NULL)) {
		DRM_ERROR("Failed to allocate temporary fifo memory.\n");
1219 1220
		ret = -ENOMEM;
		goto out_free_tmp;
1221 1222
	}

1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234
	left = clips->x;
	right = clips->x + clips->w;
	top = clips->y;
	bottom = clips->y + clips->h;

	for (i = 1; i < num_clips; i++) {
		left = min_t(int, left, (int)clips[i].x);
		right = max_t(int, right, (int)clips[i].x + clips[i].w);
		top = min_t(int, top, (int)clips[i].y);
		bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
	}

1235
	/* only need to do this once */
1236 1237
	memset(cmd, 0, fifo_size);
	cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
1238 1239

	blits = (SVGASignedRect *)&cmd[1];
1240

1241 1242 1243 1244
	cmd->body.srcRect.left = left;
	cmd->body.srcRect.right = right;
	cmd->body.srcRect.top = top;
	cmd->body.srcRect.bottom = bottom;
1245 1246

	for (i = 0; i < num_clips; i++) {
1247 1248 1249 1250
		tmp[i].x1 = clips[i].x - left;
		tmp[i].x2 = clips[i].x + clips[i].w - left;
		tmp[i].y1 = clips[i].y - top;
		tmp[i].y2 = clips[i].y + clips[i].h - top;
1251 1252
	}

1253 1254
	for (k = 0; k < num_units; k++) {
		struct vmw_display_unit *unit = units[k];
1255 1256 1257 1258 1259 1260 1261
		struct vmw_clip_rect clip;
		int num;

		clip.x1 = left + destX - unit->crtc.x;
		clip.y1 = top + destY - unit->crtc.y;
		clip.x2 = right + destX - unit->crtc.x;
		clip.y2 = bottom + destY - unit->crtc.y;
1262 1263

		/* skip any crtcs that misses the clip region */
1264 1265 1266
		if (clip.x1 >= unit->crtc.mode.hdisplay ||
		    clip.y1 >= unit->crtc.mode.vdisplay ||
		    clip.x2 <= 0 || clip.y2 <= 0)
1267 1268
			continue;

1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283
		/*
		 * In order for the clip rects to be correctly scaled
		 * the src and dest rects needs to be the same size.
		 */
		cmd->body.destRect.left = clip.x1;
		cmd->body.destRect.right = clip.x2;
		cmd->body.destRect.top = clip.y1;
		cmd->body.destRect.bottom = clip.y2;

		/* create a clip rect of the crtc in dest coords */
		clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
		clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
		clip.x1 = 0 - clip.x1;
		clip.y1 = 0 - clip.y1;

1284 1285 1286 1287
		/* need to reset sid as it is changed by execbuf */
		cmd->body.srcImage.sid = sid;
		cmd->body.destScreenId = unit->unit;

1288 1289
		/* clip and write blits to cmd stream */
		vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
1290

1291 1292 1293
		/* if no cliprects hit skip this */
		if (num == 0)
			continue;
1294

1295 1296 1297
		/* recalculate package length */
		fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
		cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
1298 1299 1300 1301 1302 1303
		ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
					  fifo_size, 0, NULL);

		if (unlikely(ret != 0))
			break;
	}
1304 1305

	kfree(cmd);
1306 1307
out_free_tmp:
	kfree(tmp);
1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358

	return ret;
}

int vmw_kms_readback(struct vmw_private *dev_priv,
		     struct drm_file *file_priv,
		     struct vmw_framebuffer *vfb,
		     struct drm_vmw_fence_rep __user *user_fence_rep,
		     struct drm_vmw_rect *clips,
		     uint32_t num_clips)
{
	struct vmw_framebuffer_dmabuf *vfbd =
		vmw_framebuffer_to_vfbd(&vfb->base);
	struct vmw_dma_buffer *dmabuf = vfbd->buffer;
	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
	struct drm_crtc *crtc;
	size_t fifo_size;
	int i, k, ret, num_units, blits_pos;

	struct {
		uint32_t header;
		SVGAFifoCmdDefineGMRFB body;
	} *cmd;
	struct {
		uint32_t header;
		SVGAFifoCmdBlitScreenToGMRFB body;
	} *blits;

	num_units = 0;
	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
		if (crtc->fb != &vfb->base)
			continue;
		units[num_units++] = vmw_crtc_to_du(crtc);
	}

	BUG_ON(dmabuf == NULL);
	BUG_ON(!clips || !num_clips);

	/* take a safe guess at fifo size */
	fifo_size = sizeof(*cmd) + sizeof(*blits) * num_clips * num_units;
	cmd = kmalloc(fifo_size, GFP_KERNEL);
	if (unlikely(cmd == NULL)) {
		DRM_ERROR("Failed to allocate temporary fifo memory.\n");
		return -ENOMEM;
	}

	memset(cmd, 0, fifo_size);
	cmd->header = SVGA_CMD_DEFINE_GMRFB;
	cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel;
	cmd->body.format.colorDepth = vfb->base.depth;
	cmd->body.format.reserved = 0;
1359
	cmd->body.bytesPerLine = vfb->base.pitches[0];
1360
	cmd->body.ptr.gmrId = vfb->user_handle;
1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 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 1411 1412 1413 1414 1415 1416 1417 1418
	cmd->body.ptr.offset = 0;

	blits = (void *)&cmd[1];
	blits_pos = 0;
	for (i = 0; i < num_units; i++) {
		struct drm_vmw_rect *c = clips;
		for (k = 0; k < num_clips; k++, c++) {
			/* transform clip coords to crtc origin based coords */
			int clip_x1 = c->x - units[i]->crtc.x;
			int clip_x2 = c->x - units[i]->crtc.x + c->w;
			int clip_y1 = c->y - units[i]->crtc.y;
			int clip_y2 = c->y - units[i]->crtc.y + c->h;
			int dest_x = c->x;
			int dest_y = c->y;

			/* compensate for clipping, we negate
			 * a negative number and add that.
			 */
			if (clip_x1 < 0)
				dest_x += -clip_x1;
			if (clip_y1 < 0)
				dest_y += -clip_y1;

			/* clip */
			clip_x1 = max(clip_x1, 0);
			clip_y1 = max(clip_y1, 0);
			clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay);
			clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay);

			/* and cull any rects that misses the crtc */
			if (clip_x1 >= units[i]->crtc.mode.hdisplay ||
			    clip_y1 >= units[i]->crtc.mode.vdisplay ||
			    clip_x2 <= 0 || clip_y2 <= 0)
				continue;

			blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB;
			blits[blits_pos].body.srcScreenId = units[i]->unit;
			blits[blits_pos].body.destOrigin.x = dest_x;
			blits[blits_pos].body.destOrigin.y = dest_y;

			blits[blits_pos].body.srcRect.left = clip_x1;
			blits[blits_pos].body.srcRect.top = clip_y1;
			blits[blits_pos].body.srcRect.right = clip_x2;
			blits[blits_pos].body.srcRect.bottom = clip_y2;
			blits_pos++;
		}
	}
	/* reset size here and use calculated exact size from loops */
	fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos;

	ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size,
				  0, user_fence_rep);

	kfree(cmd);

	return ret;
}

1419 1420 1421 1422 1423 1424 1425
int vmw_kms_init(struct vmw_private *dev_priv)
{
	struct drm_device *dev = dev_priv->dev;
	int ret;

	drm_mode_config_init(dev);
	dev->mode_config.funcs = &vmw_kms_funcs;
1426 1427
	dev->mode_config.min_width = 1;
	dev->mode_config.min_height = 1;
1428 1429 1430
	/* assumed largest fb size */
	dev->mode_config.max_width = 8192;
	dev->mode_config.max_height = 8192;
1431

1432 1433 1434
	ret = vmw_kms_init_screen_object_display(dev_priv);
	if (ret) /* Fallback */
		(void)vmw_kms_init_legacy_display_system(dev_priv);
1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446

	return 0;
}

int vmw_kms_close(struct vmw_private *dev_priv)
{
	/*
	 * Docs says we should take the lock before calling this function
	 * but since it destroys encoders and our destructor calls
	 * drm_encoder_cleanup which takes the lock we deadlock.
	 */
	drm_mode_config_cleanup(dev_priv->dev);
1447 1448 1449 1450
	if (dev_priv->sou_priv)
		vmw_kms_close_screen_object_display(dev_priv);
	else
		vmw_kms_close_legacy_display_system(dev_priv);
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
	return 0;
}

int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
				struct drm_file *file_priv)
{
	struct drm_vmw_cursor_bypass_arg *arg = data;
	struct vmw_display_unit *du;
	struct drm_mode_object *obj;
	struct drm_crtc *crtc;
	int ret = 0;


	mutex_lock(&dev->mode_config.mutex);
	if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {

		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
			du = vmw_crtc_to_du(crtc);
			du->hotspot_x = arg->xhot;
			du->hotspot_y = arg->yhot;
		}

		mutex_unlock(&dev->mode_config.mutex);
		return 0;
	}

	obj = drm_mode_object_find(dev, arg->crtc_id, DRM_MODE_OBJECT_CRTC);
	if (!obj) {
		ret = -EINVAL;
		goto out;
	}

	crtc = obj_to_crtc(obj);
	du = vmw_crtc_to_du(crtc);

	du->hotspot_x = arg->xhot;
	du->hotspot_y = arg->yhot;

out:
	mutex_unlock(&dev->mode_config.mutex);

	return ret;
}

1495
int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1496
			unsigned width, unsigned height, unsigned pitch,
M
Michel Dänzer 已提交
1497
			unsigned bpp, unsigned depth)
1498
{
1499 1500 1501 1502 1503 1504
	if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
		vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
	else if (vmw_fifo_have_pitchlock(vmw_priv))
		iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
	vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
	vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
M
Michel Dänzer 已提交
1505
	vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
1506 1507 1508 1509 1510 1511 1512 1513

	if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
		DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
			  depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
		return -EINVAL;
	}

	return 0;
1514
}
1515

1516 1517
int vmw_kms_save_vga(struct vmw_private *vmw_priv)
{
1518 1519 1520
	struct vmw_vga_topology_state *save;
	uint32_t i;

1521 1522
	vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
	vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
1523
	vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
1524 1525
	if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
		vmw_priv->vga_pitchlock =
1526
		  vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
1527
	else if (vmw_fifo_have_pitchlock(vmw_priv))
1528 1529 1530 1531 1532
		vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt +
						       SVGA_FIFO_PITCHLOCK);

	if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
		return 0;
1533

1534 1535 1536
	vmw_priv->num_displays = vmw_read(vmw_priv,
					  SVGA_REG_NUM_GUEST_DISPLAYS);

1537 1538 1539
	if (vmw_priv->num_displays == 0)
		vmw_priv->num_displays = 1;

1540 1541 1542 1543 1544 1545 1546 1547 1548
	for (i = 0; i < vmw_priv->num_displays; ++i) {
		save = &vmw_priv->vga_save[i];
		vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
		save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
		save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
		save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
		save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
		save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
		vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559
		if (i == 0 && vmw_priv->num_displays == 1 &&
		    save->width == 0 && save->height == 0) {

			/*
			 * It should be fairly safe to assume that these
			 * values are uninitialized.
			 */

			save->width = vmw_priv->vga_width - save->pos_x;
			save->height = vmw_priv->vga_height - save->pos_y;
		}
1560
	}
1561

1562 1563 1564 1565 1566
	return 0;
}

int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
{
1567 1568 1569
	struct vmw_vga_topology_state *save;
	uint32_t i;

1570 1571
	vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
	vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
1572
	vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
1573 1574 1575 1576 1577 1578
	if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
		vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
			  vmw_priv->vga_pitchlock);
	else if (vmw_fifo_have_pitchlock(vmw_priv))
		iowrite32(vmw_priv->vga_pitchlock,
			  vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1579

1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593
	if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
		return 0;

	for (i = 0; i < vmw_priv->num_displays; ++i) {
		save = &vmw_priv->vga_save[i];
		vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
		vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
		vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
		vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
		vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
		vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
		vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
	}

1594 1595
	return 0;
}
1596

1597 1598 1599 1600 1601 1602 1603
bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
				uint32_t pitch,
				uint32_t height)
{
	return ((u64) pitch * (u64) height) < (u64) dev_priv->vram_size;
}

J
Jakob Bornecrantz 已提交
1604 1605 1606 1607

/**
 * Function called by DRM code called with vbl_lock held.
 */
1608 1609 1610 1611
u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
{
	return 0;
}
1612

J
Jakob Bornecrantz 已提交
1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627
/**
 * Function called by DRM code called with vbl_lock held.
 */
int vmw_enable_vblank(struct drm_device *dev, int crtc)
{
	return -ENOSYS;
}

/**
 * Function called by DRM code called with vbl_lock held.
 */
void vmw_disable_vblank(struct drm_device *dev, int crtc)
{
}

1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642

/*
 * Small shared kms functions.
 */

int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
			 struct drm_vmw_rect *rects)
{
	struct drm_device *dev = dev_priv->dev;
	struct vmw_display_unit *du;
	struct drm_connector *con;

	mutex_lock(&dev->mode_config.mutex);

#if 0
T
Thomas Hellstrom 已提交
1643 1644 1645 1646 1647 1648 1649 1650 1651
	{
		unsigned int i;

		DRM_INFO("%s: new layout ", __func__);
		for (i = 0; i < num; i++)
			DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
				 rects[i].w, rects[i].h);
		DRM_INFO("\n");
	}
1652 1653 1654 1655 1656 1657 1658 1659
#endif

	list_for_each_entry(con, &dev->mode_config.connector_list, head) {
		du = vmw_connector_to_du(con);
		if (num > du->unit) {
			du->pref_width = rects[du->unit].w;
			du->pref_height = rects[du->unit].h;
			du->pref_active = true;
1660 1661
			du->gui_x = rects[du->unit].x;
			du->gui_y = rects[du->unit].y;
1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 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
		} else {
			du->pref_width = 800;
			du->pref_height = 600;
			du->pref_active = false;
		}
		con->status = vmw_du_connector_detect(con, true);
	}

	mutex_unlock(&dev->mode_config.mutex);

	return 0;
}

void vmw_du_crtc_save(struct drm_crtc *crtc)
{
}

void vmw_du_crtc_restore(struct drm_crtc *crtc)
{
}

void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
			   u16 *r, u16 *g, u16 *b,
			   uint32_t start, uint32_t size)
{
	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
	int i;

	for (i = 0; i < size; i++) {
		DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
			  r[i], g[i], b[i]);
		vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
		vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
		vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
	}
}

void vmw_du_connector_dpms(struct drm_connector *connector, int mode)
{
}

void vmw_du_connector_save(struct drm_connector *connector)
{
}

void vmw_du_connector_restore(struct drm_connector *connector)
{
}

enum drm_connector_status
vmw_du_connector_detect(struct drm_connector *connector, bool force)
{
	uint32_t num_displays;
	struct drm_device *dev = connector->dev;
	struct vmw_private *dev_priv = vmw_priv(dev);
1717
	struct vmw_display_unit *du = vmw_connector_to_du(connector);
1718 1719 1720 1721 1722

	mutex_lock(&dev_priv->hw_mutex);
	num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
	mutex_unlock(&dev_priv->hw_mutex);

1723 1724
	return ((vmw_connector_to_du(connector)->unit < num_displays &&
		 du->pref_active) ?
1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 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
		connector_status_connected : connector_status_disconnected);
}

static struct drm_display_mode vmw_kms_connector_builtin[] = {
	/* 640x480@60Hz */
	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
		   752, 800, 0, 480, 489, 492, 525, 0,
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
	/* 800x600@60Hz */
	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
		   968, 1056, 0, 600, 601, 605, 628, 0,
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1024x768@60Hz */
	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
		   1184, 1344, 0, 768, 771, 777, 806, 0,
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
	/* 1152x864@75Hz */
	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
		   1344, 1600, 0, 864, 865, 868, 900, 0,
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1280x768@60Hz */
	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
		   1472, 1664, 0, 768, 771, 778, 798, 0,
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1280x800@60Hz */
	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
		   1480, 1680, 0, 800, 803, 809, 831, 0,
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
	/* 1280x960@60Hz */
	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
		   1488, 1800, 0, 960, 961, 964, 1000, 0,
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1280x1024@60Hz */
	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1360x768@60Hz */
	{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
		   1536, 1792, 0, 768, 771, 777, 795, 0,
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1440x1050@60Hz */
	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
		   1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1440x900@60Hz */
	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
		   1672, 1904, 0, 900, 903, 909, 934, 0,
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1600x1200@60Hz */
	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1680x1050@60Hz */
	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
		   1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1792x1344@60Hz */
	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
		   2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1853x1392@60Hz */
	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
		   2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1920x1200@60Hz */
	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
		   2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 1920x1440@60Hz */
	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
		   2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* 2560x1600@60Hz */
	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
		   3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
	/* Terminate */
	{ DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
};

1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826
/**
 * vmw_guess_mode_timing - Provide fake timings for a
 * 60Hz vrefresh mode.
 *
 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
 * members filled in.
 */
static void vmw_guess_mode_timing(struct drm_display_mode *mode)
{
	mode->hsync_start = mode->hdisplay + 50;
	mode->hsync_end = mode->hsync_start + 50;
	mode->htotal = mode->hsync_end + 50;

	mode->vsync_start = mode->vdisplay + 50;
	mode->vsync_end = mode->vsync_start + 50;
	mode->vtotal = mode->vsync_end + 50;

	mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
	mode->vrefresh = drm_mode_vrefresh(mode);
}


1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848
int vmw_du_connector_fill_modes(struct drm_connector *connector,
				uint32_t max_width, uint32_t max_height)
{
	struct vmw_display_unit *du = vmw_connector_to_du(connector);
	struct drm_device *dev = connector->dev;
	struct vmw_private *dev_priv = vmw_priv(dev);
	struct drm_display_mode *mode = NULL;
	struct drm_display_mode *bmode;
	struct drm_display_mode prefmode = { DRM_MODE("preferred",
		DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
		DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
	};
	int i;

	/* Add preferred mode */
	{
		mode = drm_mode_duplicate(dev, &prefmode);
		if (!mode)
			return 0;
		mode->hdisplay = du->pref_width;
		mode->vdisplay = du->pref_height;
1849
		vmw_guess_mode_timing(mode);
1850

1851 1852 1853
		if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2,
					       mode->vdisplay)) {
			drm_mode_probed_add(connector, mode);
1854 1855 1856 1857
		} else {
			drm_mode_destroy(dev, mode);
			mode = NULL;
		}
1858

1859 1860 1861
		if (du->pref_mode) {
			list_del_init(&du->pref_mode->head);
			drm_mode_destroy(dev, du->pref_mode);
1862
		}
1863 1864 1865

		/* mode might be null here, this is intended */
		du->pref_mode = mode;
1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885
	}

	for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
		bmode = &vmw_kms_connector_builtin[i];
		if (bmode->hdisplay > max_width ||
		    bmode->vdisplay > max_height)
			continue;

		if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2,
						bmode->vdisplay))
			continue;

		mode = drm_mode_duplicate(dev, bmode);
		if (!mode)
			return 0;
		mode->vrefresh = drm_mode_vrefresh(mode);

		drm_mode_probed_add(connector, mode);
	}

1886 1887 1888 1889
	/* Move the prefered mode first, help apps pick the right mode. */
	if (du->pref_mode)
		list_move(&du->pref_mode->head, &connector->probed_modes);

1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900
	drm_mode_connector_list_update(connector);

	return 1;
}

int vmw_du_connector_set_property(struct drm_connector *connector,
				  struct drm_property *property,
				  uint64_t val)
{
	return 0;
}
1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927


int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
				struct drm_file *file_priv)
{
	struct vmw_private *dev_priv = vmw_priv(dev);
	struct drm_vmw_update_layout_arg *arg =
		(struct drm_vmw_update_layout_arg *)data;
	struct vmw_master *vmaster = vmw_master(file_priv->master);
	void __user *user_rects;
	struct drm_vmw_rect *rects;
	unsigned rects_size;
	int ret;
	int i;
	struct drm_mode_config *mode_config = &dev->mode_config;

	ret = ttm_read_lock(&vmaster->lock, true);
	if (unlikely(ret != 0))
		return ret;

	if (!arg->num_outputs) {
		struct drm_vmw_rect def_rect = {0, 0, 800, 600};
		vmw_du_update_layout(dev_priv, 1, &def_rect);
		goto out_unlock;
	}

	rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
1928 1929
	rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
			GFP_KERNEL);
1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943
	if (unlikely(!rects)) {
		ret = -ENOMEM;
		goto out_unlock;
	}

	user_rects = (void __user *)(unsigned long)arg->rects;
	ret = copy_from_user(rects, user_rects, rects_size);
	if (unlikely(ret != 0)) {
		DRM_ERROR("Failed to get rects.\n");
		ret = -EFAULT;
		goto out_free;
	}

	for (i = 0; i < arg->num_outputs; ++i) {
1944 1945 1946 1947
		if (rects[i].x < 0 ||
		    rects[i].y < 0 ||
		    rects[i].x + rects[i].w > mode_config->max_width ||
		    rects[i].y + rects[i].h > mode_config->max_height) {
1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961
			DRM_ERROR("Invalid GUI layout.\n");
			ret = -EINVAL;
			goto out_free;
		}
	}

	vmw_du_update_layout(dev_priv, arg->num_outputs, rects);

out_free:
	kfree(rects);
out_unlock:
	ttm_read_unlock(&vmaster->lock);
	return ret;
}