diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c | 556 |
1 files changed, 516 insertions, 40 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c index 7dc591d04d9a..b96d1ab610c5 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright © 2011 VMware, Inc., Palo Alto, CA., USA + * Copyright © 2011-2015 VMware, Inc., Palo Alto, CA., USA * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -36,10 +36,55 @@ #define vmw_connector_to_sou(x) \ container_of(x, struct vmw_screen_object_unit, base.connector) +/** + * struct vmw_kms_sou_surface_dirty - Closure structure for + * blit surface to screen command. + * @base: The base type we derive from. Used by vmw_kms_helper_dirty(). + * @left: Left side of bounding box. + * @right: Right side of bounding box. + * @top: Top side of bounding box. + * @bottom: Bottom side of bounding box. + * @dst_x: Difference between source clip rects and framebuffer coordinates. + * @dst_y: Difference between source clip rects and framebuffer coordinates. + * @sid: Surface id of surface to copy from. + */ +struct vmw_kms_sou_surface_dirty { + struct vmw_kms_dirty base; + s32 left, right, top, bottom; + s32 dst_x, dst_y; + u32 sid; +}; + +/* + * SVGA commands that are used by this code. Please see the device headers + * for explanation. + */ +struct vmw_kms_sou_readback_blit { + uint32 header; + SVGAFifoCmdBlitScreenToGMRFB body; +}; + +struct vmw_kms_sou_dmabuf_blit { + uint32 header; + SVGAFifoCmdBlitGMRFBToScreen body; +}; + +struct vmw_kms_sou_dirty_cmd { + SVGA3dCmdHeader header; + SVGA3dCmdBlitSurfaceToScreen body; +}; + + +/* + * Other structs. + */ + struct vmw_screen_object_display { unsigned num_implicit; struct vmw_framebuffer *implicit_fb; + SVGAFifoCmdDefineGMRFB cur; + struct vmw_dma_buffer *pinned_gmrfb; }; /** @@ -57,7 +102,7 @@ struct vmw_screen_object_unit { static void vmw_sou_destroy(struct vmw_screen_object_unit *sou) { - vmw_display_unit_cleanup(&sou->base); + vmw_du_cleanup(&sou->base); kfree(sou); } @@ -72,7 +117,7 @@ static void vmw_sou_crtc_destroy(struct drm_crtc *crtc) } static void vmw_sou_del_active(struct vmw_private *vmw_priv, - struct vmw_screen_object_unit *sou) + struct vmw_screen_object_unit *sou) { struct vmw_screen_object_display *ld = vmw_priv->sou_priv; @@ -84,8 +129,8 @@ static void vmw_sou_del_active(struct vmw_private *vmw_priv, } static void vmw_sou_add_active(struct vmw_private *vmw_priv, - struct vmw_screen_object_unit *sou, - struct vmw_framebuffer *vfb) + struct vmw_screen_object_unit *sou, + struct vmw_framebuffer *vfb) { struct vmw_screen_object_display *ld = vmw_priv->sou_priv; @@ -202,14 +247,7 @@ static int vmw_sou_fifo_destroy(struct vmw_private *dev_priv, static void vmw_sou_backing_free(struct vmw_private *dev_priv, struct vmw_screen_object_unit *sou) { - struct ttm_buffer_object *bo; - - if (unlikely(sou->buffer == NULL)) - return; - - bo = &sou->buffer->base; - ttm_bo_unref(&bo); - sou->buffer = NULL; + vmw_dmabuf_unreference(&sou->buffer); sou->buffer_size = 0; } @@ -274,13 +312,13 @@ static int vmw_sou_crtc_set_config(struct drm_mode_set *set) dev_priv = vmw_priv(crtc->dev); if (set->num_connectors > 1) { - DRM_ERROR("to many connectors\n"); + DRM_ERROR("Too many connectors\n"); return -EINVAL; } if (set->num_connectors == 1 && set->connectors[0] != &sou->base.connector) { - DRM_ERROR("connector doesn't match %p %p\n", + DRM_ERROR("Connector doesn't match %p %p\n", set->connectors[0], &sou->base.connector); return -EINVAL; } @@ -331,7 +369,7 @@ static int vmw_sou_crtc_set_config(struct drm_mode_set *set) return -EINVAL; } - vmw_fb_off(dev_priv); + vmw_svga_enable(dev_priv); if (mode->hdisplay != crtc->mode.hdisplay || mode->vdisplay != crtc->mode.vdisplay) { @@ -390,6 +428,108 @@ static int vmw_sou_crtc_set_config(struct drm_mode_set *set) return 0; } +/** + * Returns if this unit can be page flipped. + * Must be called with the mode_config mutex held. + */ +static bool vmw_sou_screen_object_flippable(struct vmw_private *dev_priv, + struct drm_crtc *crtc) +{ + struct vmw_screen_object_unit *sou = vmw_crtc_to_sou(crtc); + + if (!sou->base.is_implicit) + return true; + + if (dev_priv->sou_priv->num_implicit != 1) + return false; + + return true; +} + +/** + * Update the implicit fb to the current fb of this crtc. + * Must be called with the mode_config mutex held. + */ +static void vmw_sou_update_implicit_fb(struct vmw_private *dev_priv, + struct drm_crtc *crtc) +{ + struct vmw_screen_object_unit *sou = vmw_crtc_to_sou(crtc); + + BUG_ON(!sou->base.is_implicit); + + dev_priv->sou_priv->implicit_fb = + vmw_framebuffer_to_vfb(sou->base.crtc.primary->fb); +} + +static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t flags) +{ + struct vmw_private *dev_priv = vmw_priv(crtc->dev); + struct drm_framebuffer *old_fb = crtc->primary->fb; + struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb); + struct vmw_fence_obj *fence = NULL; + struct drm_clip_rect clips; + int ret; + + /* require ScreenObject support for page flipping */ + if (!dev_priv->sou_priv) + return -ENOSYS; + + if (!vmw_sou_screen_object_flippable(dev_priv, crtc)) + return -EINVAL; + + crtc->primary->fb = fb; + + /* do a full screen dirty update */ + clips.x1 = clips.y1 = 0; + clips.x2 = fb->width; + clips.y2 = fb->height; + + if (vfb->dmabuf) + ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, vfb, + &clips, 1, 1, + true, &fence); + else + ret = vmw_kms_sou_do_surface_dirty(dev_priv, vfb, + &clips, NULL, NULL, + 0, 0, 1, 1, &fence); + + + if (ret != 0) + goto out_no_fence; + if (!fence) { + ret = -EINVAL; + goto out_no_fence; + } + + if (event) { + struct drm_file *file_priv = event->base.file_priv; + + ret = vmw_event_fence_action_queue(file_priv, fence, + &event->base, + &event->event.tv_sec, + &event->event.tv_usec, + true); + } + + /* + * No need to hold on to this now. The only cleanup + * we need to do if we fail is unref the fence. + */ + vmw_fence_obj_unreference(&fence); + + if (vmw_crtc_to_du(crtc)->is_implicit) + vmw_sou_update_implicit_fb(dev_priv, crtc); + + return ret; + +out_no_fence: + crtc->primary->fb = old_fb; + return ret; +} + static struct drm_crtc_funcs vmw_screen_object_crtc_funcs = { .save = vmw_du_crtc_save, .restore = vmw_du_crtc_restore, @@ -398,7 +538,7 @@ static struct drm_crtc_funcs vmw_screen_object_crtc_funcs = { .gamma_set = vmw_du_crtc_gamma_set, .destroy = vmw_sou_crtc_destroy, .set_config = vmw_sou_crtc_set_config, - .page_flip = vmw_du_page_flip, + .page_flip = vmw_sou_crtc_page_flip, }; /* @@ -423,7 +563,7 @@ static void vmw_sou_connector_destroy(struct drm_connector *connector) vmw_sou_destroy(vmw_connector_to_sou(connector)); } -static struct drm_connector_funcs vmw_legacy_connector_funcs = { +static struct drm_connector_funcs vmw_sou_connector_funcs = { .dpms = vmw_du_connector_dpms, .save = vmw_du_connector_save, .restore = vmw_du_connector_restore, @@ -458,7 +598,7 @@ static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit) sou->base.pref_mode = NULL; sou->base.is_implicit = true; - drm_connector_init(dev, connector, &vmw_legacy_connector_funcs, + drm_connector_init(dev, connector, &vmw_sou_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); connector->status = vmw_du_connector_detect(connector, true); @@ -481,7 +621,7 @@ static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit) return 0; } -int vmw_kms_init_screen_object_display(struct vmw_private *dev_priv) +int vmw_kms_sou_init_display(struct vmw_private *dev_priv) { struct drm_device *dev = dev_priv->dev; int i, ret; @@ -516,7 +656,9 @@ int vmw_kms_init_screen_object_display(struct vmw_private *dev_priv) for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i) vmw_sou_init(dev_priv, i); - DRM_INFO("Screen objects system initialized\n"); + dev_priv->active_display_unit = vmw_du_screen_object; + + DRM_INFO("Screen Objects Display Unit initialized\n"); return 0; @@ -529,7 +671,7 @@ err_no_mem: return ret; } -int vmw_kms_close_screen_object_display(struct vmw_private *dev_priv) +int vmw_kms_sou_close_display(struct vmw_private *dev_priv) { struct drm_device *dev = dev_priv->dev; @@ -543,35 +685,369 @@ int vmw_kms_close_screen_object_display(struct vmw_private *dev_priv) return 0; } +static int do_dmabuf_define_gmrfb(struct vmw_private *dev_priv, + struct vmw_framebuffer *framebuffer) +{ + struct vmw_dma_buffer *buf = + container_of(framebuffer, struct vmw_framebuffer_dmabuf, + base)->buffer; + int depth = framebuffer->base.depth; + struct { + uint32_t header; + SVGAFifoCmdDefineGMRFB body; + } *cmd; + + /* 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; + + cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); + if (!cmd) { + DRM_ERROR("Out of fifo space for dirty framebuffer command.\n"); + return -ENOMEM; + } + + cmd->header = SVGA_CMD_DEFINE_GMRFB; + cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel; + cmd->body.format.colorDepth = depth; + cmd->body.format.reserved = 0; + cmd->body.bytesPerLine = framebuffer->base.pitches[0]; + /* Buffer is reserved in vram or GMR */ + vmw_bo_get_guest_ptr(&buf->base, &cmd->body.ptr); + vmw_fifo_commit(dev_priv, sizeof(*cmd)); + + return 0; +} + /** - * Returns if this unit can be page flipped. - * Must be called with the mode_config mutex held. + * vmw_sou_surface_fifo_commit - Callback to fill in and submit a + * blit surface to screen command. + * + * @dirty: The closure structure. + * + * Fills in the missing fields in the command, and translates the cliprects + * to match the destination bounding box encoded. */ -bool vmw_kms_screen_object_flippable(struct vmw_private *dev_priv, - struct drm_crtc *crtc) +static void vmw_sou_surface_fifo_commit(struct vmw_kms_dirty *dirty) { - struct vmw_screen_object_unit *sou = vmw_crtc_to_sou(crtc); + struct vmw_kms_sou_surface_dirty *sdirty = + container_of(dirty, typeof(*sdirty), base); + struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd; + s32 trans_x = dirty->unit->crtc.x - sdirty->dst_x; + s32 trans_y = dirty->unit->crtc.y - sdirty->dst_y; + size_t region_size = dirty->num_hits * sizeof(SVGASignedRect); + SVGASignedRect *blit = (SVGASignedRect *) &cmd[1]; + int i; + + cmd->header.id = SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN; + cmd->header.size = sizeof(cmd->body) + region_size; + + /* + * Use the destination bounding box to specify destination - and + * source bounding regions. + */ + cmd->body.destRect.left = sdirty->left; + cmd->body.destRect.right = sdirty->right; + cmd->body.destRect.top = sdirty->top; + cmd->body.destRect.bottom = sdirty->bottom; + + cmd->body.srcRect.left = sdirty->left + trans_x; + cmd->body.srcRect.right = sdirty->right + trans_x; + cmd->body.srcRect.top = sdirty->top + trans_y; + cmd->body.srcRect.bottom = sdirty->bottom + trans_y; + + cmd->body.srcImage.sid = sdirty->sid; + cmd->body.destScreenId = dirty->unit->unit; + + /* Blits are relative to the destination rect. Translate. */ + for (i = 0; i < dirty->num_hits; ++i, ++blit) { + blit->left -= sdirty->left; + blit->right -= sdirty->left; + blit->top -= sdirty->top; + blit->bottom -= sdirty->top; + } - if (!sou->base.is_implicit) - return true; + vmw_fifo_commit(dirty->dev_priv, region_size + sizeof(*cmd)); - if (dev_priv->sou_priv->num_implicit != 1) - return false; + sdirty->left = sdirty->top = S32_MAX; + sdirty->right = sdirty->bottom = S32_MIN; +} - return true; +/** + * vmw_sou_surface_clip - Callback to encode a blit surface to screen cliprect. + * + * @dirty: The closure structure + * + * Encodes a SVGASignedRect cliprect and updates the bounding box of the + * BLIT_SURFACE_TO_SCREEN command. + */ +static void vmw_sou_surface_clip(struct vmw_kms_dirty *dirty) +{ + struct vmw_kms_sou_surface_dirty *sdirty = + container_of(dirty, typeof(*sdirty), base); + struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd; + SVGASignedRect *blit = (SVGASignedRect *) &cmd[1]; + + /* Destination rect. */ + blit += dirty->num_hits; + blit->left = dirty->unit_x1; + blit->top = dirty->unit_y1; + blit->right = dirty->unit_x2; + blit->bottom = dirty->unit_y2; + + /* Destination bounding box */ + sdirty->left = min_t(s32, sdirty->left, dirty->unit_x1); + sdirty->top = min_t(s32, sdirty->top, dirty->unit_y1); + sdirty->right = max_t(s32, sdirty->right, dirty->unit_x2); + sdirty->bottom = max_t(s32, sdirty->bottom, dirty->unit_y2); + + dirty->num_hits++; } /** - * Update the implicit fb to the current fb of this crtc. - * Must be called with the mode_config mutex held. + * vmw_kms_sou_do_surface_dirty - Dirty part of a surface backed framebuffer + * + * @dev_priv: Pointer to the device private structure. + * @framebuffer: Pointer to the surface-buffer backed framebuffer. + * @clips: Array of clip rects. Either @clips or @vclips must be NULL. + * @vclips: Alternate array of clip rects. Either @clips or @vclips must + * be NULL. + * @srf: Pointer to surface to blit from. If NULL, the surface attached + * to @framebuffer will be used. + * @dest_x: X coordinate offset to align @srf with framebuffer coordinates. + * @dest_y: Y coordinate offset to align @srf with framebuffer coordinates. + * @num_clips: Number of clip rects in @clips. + * @inc: Increment to use when looping over @clips. + * @out_fence: If non-NULL, will return a ref-counted pointer to a + * struct vmw_fence_obj. The returned fence pointer may be NULL in which + * case the device has already synchronized. + * + * Returns 0 on success, negative error code on failure. -ERESTARTSYS if + * interrupted. */ -void vmw_kms_screen_object_update_implicit_fb(struct vmw_private *dev_priv, - struct drm_crtc *crtc) +int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv, + struct vmw_framebuffer *framebuffer, + struct drm_clip_rect *clips, + struct drm_vmw_rect *vclips, + struct vmw_resource *srf, + s32 dest_x, + s32 dest_y, + unsigned num_clips, int inc, + struct vmw_fence_obj **out_fence) { - struct vmw_screen_object_unit *sou = vmw_crtc_to_sou(crtc); + struct vmw_framebuffer_surface *vfbs = + container_of(framebuffer, typeof(*vfbs), base); + struct vmw_kms_sou_surface_dirty sdirty; + int ret; - BUG_ON(!sou->base.is_implicit); + if (!srf) + srf = &vfbs->surface->res; - dev_priv->sou_priv->implicit_fb = - vmw_framebuffer_to_vfb(sou->base.crtc.primary->fb); + ret = vmw_kms_helper_resource_prepare(srf, true); + if (ret) + return ret; + + sdirty.base.fifo_commit = vmw_sou_surface_fifo_commit; + sdirty.base.clip = vmw_sou_surface_clip; + sdirty.base.dev_priv = dev_priv; + sdirty.base.fifo_reserve_size = sizeof(struct vmw_kms_sou_dirty_cmd) + + sizeof(SVGASignedRect) * num_clips; + + sdirty.sid = srf->id; + sdirty.left = sdirty.top = S32_MAX; + sdirty.right = sdirty.bottom = S32_MIN; + sdirty.dst_x = dest_x; + sdirty.dst_y = dest_y; + + ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, + dest_x, dest_y, num_clips, inc, + &sdirty.base); + vmw_kms_helper_resource_finish(srf, out_fence); + + return ret; +} + +/** + * vmw_sou_dmabuf_fifo_commit - Callback to submit a set of readback clips. + * + * @dirty: The closure structure. + * + * Commits a previously built command buffer of readback clips. + */ +static void vmw_sou_dmabuf_fifo_commit(struct vmw_kms_dirty *dirty) +{ + vmw_fifo_commit(dirty->dev_priv, + sizeof(struct vmw_kms_sou_dmabuf_blit) * + dirty->num_hits); +} + +/** + * vmw_sou_dmabuf_clip - Callback to encode a readback cliprect. + * + * @dirty: The closure structure + * + * Encodes a BLIT_GMRFB_TO_SCREEN cliprect. + */ +static void vmw_sou_dmabuf_clip(struct vmw_kms_dirty *dirty) +{ + struct vmw_kms_sou_dmabuf_blit *blit = dirty->cmd; + + blit += dirty->num_hits; + blit->header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN; + blit->body.destScreenId = dirty->unit->unit; + blit->body.srcOrigin.x = dirty->fb_x; + blit->body.srcOrigin.y = dirty->fb_y; + blit->body.destRect.left = dirty->unit_x1; + blit->body.destRect.top = dirty->unit_y1; + blit->body.destRect.right = dirty->unit_x2; + blit->body.destRect.bottom = dirty->unit_y2; + dirty->num_hits++; +} + +/** + * vmw_kms_do_dmabuf_dirty - Dirty part of a dma-buffer backed framebuffer + * + * @dev_priv: Pointer to the device private structure. + * @framebuffer: Pointer to the dma-buffer backed framebuffer. + * @clips: Array of clip rects. + * @num_clips: Number of clip rects in @clips. + * @increment: Increment to use when looping over @clips. + * @interruptible: Whether to perform waits interruptible if possible. + * @out_fence: If non-NULL, will return a ref-counted pointer to a + * struct vmw_fence_obj. The returned fence pointer may be NULL in which + * case the device has already synchronized. + * + * Returns 0 on success, negative error code on failure. -ERESTARTSYS if + * interrupted. + */ +int vmw_kms_sou_do_dmabuf_dirty(struct vmw_private *dev_priv, + struct vmw_framebuffer *framebuffer, + struct drm_clip_rect *clips, + unsigned num_clips, int increment, + bool interruptible, + struct vmw_fence_obj **out_fence) +{ + struct vmw_dma_buffer *buf = + container_of(framebuffer, struct vmw_framebuffer_dmabuf, + base)->buffer; + struct vmw_kms_dirty dirty; + int ret; + + ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, interruptible, + false); + if (ret) + return ret; + + ret = do_dmabuf_define_gmrfb(dev_priv, framebuffer); + if (unlikely(ret != 0)) + goto out_revert; + + dirty.fifo_commit = vmw_sou_dmabuf_fifo_commit; + dirty.clip = vmw_sou_dmabuf_clip; + dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_dmabuf_blit) * + num_clips; + ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, NULL, + 0, 0, num_clips, increment, &dirty); + vmw_kms_helper_buffer_finish(dev_priv, NULL, buf, out_fence, NULL); + + return ret; + +out_revert: + vmw_kms_helper_buffer_revert(buf); + + return ret; +} + + +/** + * vmw_sou_readback_fifo_commit - Callback to submit a set of readback clips. + * + * @dirty: The closure structure. + * + * Commits a previously built command buffer of readback clips. + */ +static void vmw_sou_readback_fifo_commit(struct vmw_kms_dirty *dirty) +{ + vmw_fifo_commit(dirty->dev_priv, + sizeof(struct vmw_kms_sou_readback_blit) * + dirty->num_hits); +} + +/** + * vmw_sou_readback_clip - Callback to encode a readback cliprect. + * + * @dirty: The closure structure + * + * Encodes a BLIT_SCREEN_TO_GMRFB cliprect. + */ +static void vmw_sou_readback_clip(struct vmw_kms_dirty *dirty) +{ + struct vmw_kms_sou_readback_blit *blit = dirty->cmd; + + blit += dirty->num_hits; + blit->header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB; + blit->body.srcScreenId = dirty->unit->unit; + blit->body.destOrigin.x = dirty->fb_x; + blit->body.destOrigin.y = dirty->fb_y; + blit->body.srcRect.left = dirty->unit_x1; + blit->body.srcRect.top = dirty->unit_y1; + blit->body.srcRect.right = dirty->unit_x2; + blit->body.srcRect.bottom = dirty->unit_y2; + dirty->num_hits++; +} + +/** + * vmw_kms_sou_readback - Perform a readback from the screen object system to + * a dma-buffer backed framebuffer. + * + * @dev_priv: Pointer to the device private structure. + * @file_priv: Pointer to a struct drm_file identifying the caller. + * Must be set to NULL if @user_fence_rep is NULL. + * @vfb: Pointer to the dma-buffer backed framebuffer. + * @user_fence_rep: User-space provided structure for fence information. + * Must be set to non-NULL if @file_priv is non-NULL. + * @vclips: Array of clip rects. + * @num_clips: Number of clip rects in @vclips. + * + * Returns 0 on success, negative error code on failure. -ERESTARTSYS if + * interrupted. + */ +int vmw_kms_sou_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 *vclips, + uint32_t num_clips) +{ + struct vmw_dma_buffer *buf = + container_of(vfb, struct vmw_framebuffer_dmabuf, base)->buffer; + struct vmw_kms_dirty dirty; + int ret; + + ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, true, false); + if (ret) + return ret; + + ret = do_dmabuf_define_gmrfb(dev_priv, vfb); + if (unlikely(ret != 0)) + goto out_revert; + + dirty.fifo_commit = vmw_sou_readback_fifo_commit; + dirty.clip = vmw_sou_readback_clip; + dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_readback_blit) * + num_clips; + ret = vmw_kms_helper_dirty(dev_priv, vfb, NULL, vclips, + 0, 0, num_clips, 1, &dirty); + vmw_kms_helper_buffer_finish(dev_priv, file_priv, buf, NULL, + user_fence_rep); + + return ret; + +out_revert: + vmw_kms_helper_buffer_revert(buf); + + return ret; } |