This makes it possible to use the same function for surface dirty and present. Also fixes page flip without events.
Signed-off-by: Thomas Hellstrom thellstrom@vmware.com Reviewed-by: Sinclair Yeh syeh@vmware.com --- drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 6 - drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 319 +++-------------- drivers/gpu/drm/vmwgfx/vmwgfx_kms.h | 33 +- drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c | 642 +++++++++++++++++++++-------------- 4 files changed, 444 insertions(+), 556 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 7504f92..d60ae20 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -952,12 +952,6 @@ int vmw_kms_present(struct vmw_private *dev_priv, uint32_t sid, int32_t destX, int32_t destY, struct drm_vmw_rect *clips, uint32_t num_clips); -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); int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index c46c688..5901d32 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -31,41 +31,6 @@ /* Might need a hrtimer here? */ #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
- - -/** - * 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; -} - void vmw_du_cleanup(struct vmw_display_unit *du) { if (du->cursor_surface) @@ -458,11 +423,9 @@ static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, }
if (dev_priv->active_display_unit == vmw_du_screen_object) - ret = vmw_kms_sou_do_surface_dirty(dev_priv, file_priv, - &vfbs->base, - flags, color, - clips, num_clips, - inc, NULL); + ret = vmw_kms_sou_do_surface_dirty(dev_priv, &vfbs->base, + clips, NULL, NULL, 0, 0, + num_clips, inc, NULL); else ret = vmw_kms_stdu_do_surface_dirty(dev_priv, file_priv, &vfbs->base, @@ -477,6 +440,42 @@ static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, return 0; }
+/** + * vmw_kms_readback - Perform a readback from the screen 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_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) +{ + switch (dev_priv->active_display_unit) { + case vmw_du_screen_object: + return vmw_kms_sou_readback(dev_priv, file_priv, vfb, + user_fence_rep, vclips, num_clips); + default: + WARN_ONCE(true, + "Readback called with invalid display system.\n"); + } + + return -ENOSYS; +} + + static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = { .destroy = vmw_framebuffer_surface_destroy, .dirty = vmw_framebuffer_surface_dirty, @@ -638,10 +637,9 @@ static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer, flags, color, clips, num_clips, increment); } else if (dev_priv->active_display_unit == vmw_du_screen_object) { - ret = vmw_kms_sou_do_dmabuf_dirty(file_priv, dev_priv, - &vfbd->base, - flags, color, + ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, &vfbd->base, clips, num_clips, increment, + true, NULL); } else { ret = vmw_kms_stdu_do_surface_dirty(dev_priv, file_priv, @@ -984,131 +982,9 @@ int vmw_kms_generic_present(struct vmw_private *dev_priv, struct drm_vmw_rect *clips, uint32_t num_clips) { - struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; - struct drm_clip_rect *tmp; - struct drm_crtc *crtc; - size_t fifo_size; - int i, k, num_units; - int ret = 0; /* silence warning */ - int left, right, top, bottom; - - struct { - SVGA3dCmdHeader header; - SVGA3dCmdBlitSurfaceToScreen body; - } *cmd; - SVGASignedRect *blits; - - num_units = 0; - list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { - if (crtc->primary->fb != &vfb->base) - continue; - units[num_units++] = vmw_crtc_to_du(crtc); - } - - BUG_ON(surface == NULL); - BUG_ON(!clips || !num_clips); - - tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL); - if (unlikely(tmp == NULL)) { - DRM_ERROR("Temporary cliprect memory alloc failed.\n"); - return -ENOMEM; - } - - 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"); - ret = -ENOMEM; - goto out_free_tmp; - } - - 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); - } - - /* only need to do this once */ - memset(cmd, 0, fifo_size); - cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN); - - blits = (SVGASignedRect *)&cmd[1]; - - cmd->body.srcRect.left = left; - cmd->body.srcRect.right = right; - cmd->body.srcRect.top = top; - cmd->body.srcRect.bottom = bottom; - - for (i = 0; i < num_clips; i++) { - 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; - } - - for (k = 0; k < num_units; k++) { - struct vmw_display_unit *unit = units[k]; - 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; - - /* 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; - - /* - * 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; - - /* need to reset sid as it is changed by execbuf */ - cmd->body.srcImage.sid = sid; - cmd->body.destScreenId = unit->unit; - - /* clip and write blits to cmd stream */ - vmw_clip_cliprects(tmp, num_clips, clip, blits, &num); - - /* if no cliprects hit skip this */ - if (num == 0) - continue; - - /* recalculate package length */ - fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num; - cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); - ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, - fifo_size, 0, 0, NULL, NULL); - - if (unlikely(ret != 0)) - break; - } - - kfree(cmd); -out_free_tmp: - kfree(tmp); - - return ret; + return vmw_kms_sou_do_surface_dirty(dev_priv, vfb, NULL, clips, + &surface->res, destX, destY, + num_clips, 1, NULL); }
int vmw_kms_present(struct vmw_private *dev_priv, @@ -1137,113 +1013,6 @@ int vmw_kms_present(struct vmw_private *dev_priv, return 0; }
-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->primary->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; - cmd->body.bytesPerLine = vfb->base.pitches[0]; - cmd->body.ptr.gmrId = vfb->user_handle; - 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, 0, user_fence_rep, NULL); - - kfree(cmd); - - return ret; -} - int vmw_kms_init(struct vmw_private *dev_priv) { struct drm_device *dev = dev_priv->dev; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h index c19a515..8a8203c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h @@ -126,15 +126,6 @@ struct vmw_framebuffer_dmabuf {
/* - * Basic clip rect manipulation - */ -void vmw_clip_cliprects(struct drm_clip_rect *rects, - int num_rects, - struct vmw_clip_rect clip, - SVGASignedRect *out_rects, - int *out_num); - -/* * Basic cursor manipulation */ int vmw_cursor_update_image(struct vmw_private *dev_priv, @@ -241,6 +232,12 @@ int vmw_kms_helper_resource_prepare(struct vmw_resource *res, void vmw_kms_helper_resource_revert(struct vmw_resource *res); void vmw_kms_helper_resource_finish(struct vmw_resource *res, struct vmw_fence_obj **out_fence); +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 *vclips, + uint32_t num_clips);
/* * Legacy display unit functions - vmwgfx_ldu.c @@ -259,20 +256,26 @@ int vmw_kms_ldu_do_dmabuf_dirty(struct vmw_private *dev_priv, int vmw_kms_sou_init_display(struct vmw_private *dev_priv); int vmw_kms_sou_close_display(struct vmw_private *dev_priv); int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv, - struct drm_file *file_priv, struct vmw_framebuffer *framebuffer, - unsigned flags, unsigned color, 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); -int vmw_kms_sou_do_dmabuf_dirty(struct drm_file *file_priv, - struct vmw_private *dev_priv, +int vmw_kms_sou_do_dmabuf_dirty(struct vmw_private *dev_priv, struct vmw_framebuffer *framebuffer, - unsigned flags, unsigned color, struct drm_clip_rect *clips, unsigned num_clips, int increment, + bool interruptible, struct vmw_fence_obj **out_fence); - +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);
/* * Screen Target Display Unit functions - vmwgfx_stdu.c diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c index 0d06d86..73fe20e 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c @@ -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; };
/** @@ -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; }
@@ -432,7 +470,6 @@ static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc, 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 drm_file *file_priv = event->base.file_priv; struct vmw_fence_obj *fence = NULL; struct drm_clip_rect clips; int ret; @@ -452,11 +489,13 @@ static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc, clips.y2 = fb->height;
if (vfb->dmabuf) - ret = vmw_kms_sou_do_dmabuf_dirty(file_priv, dev_priv, vfb, - 0, 0, &clips, 1, 1, &fence); + 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, file_priv, vfb, - 0, 0, &clips, 1, 1, &fence); + ret = vmw_kms_sou_do_surface_dirty(dev_priv, vfb, + &clips, NULL, NULL, + 0, 0, 1, 1, &fence);
if (ret != 0) @@ -466,11 +505,15 @@ static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc, goto out_no_fence; }
- ret = vmw_event_fence_action_queue(file_priv, fence, - &event->base, - &event->event.tv_sec, - &event->event.tv_usec, - true); + 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 @@ -488,153 +531,6 @@ out_no_fence: return ret; }
-int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv, - struct drm_file *file_priv, - struct vmw_framebuffer *framebuffer, - unsigned flags, unsigned color, - struct drm_clip_rect *clips, - unsigned num_clips, int inc, - struct vmw_fence_obj **out_fence) -{ - struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; - struct drm_clip_rect *clips_ptr; - struct drm_clip_rect *tmp; - struct drm_crtc *crtc; - size_t fifo_size; - int i, num_units; - int ret = 0; /* silence warning */ - int left, right, top, bottom; - - struct { - SVGA3dCmdHeader header; - SVGA3dCmdBlitSurfaceToScreen body; - } *cmd; - SVGASignedRect *blits; - - num_units = 0; - list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, - head) { - if (crtc->primary->fb != &framebuffer->base) - continue; - units[num_units++] = vmw_crtc_to_du(crtc); - } - - BUG_ON(!clips || !num_clips); - - tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL); - if (unlikely(tmp == NULL)) { - DRM_ERROR("Temporary cliprect memory alloc failed.\n"); - return -ENOMEM; - } - - fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips; - cmd = kzalloc(fifo_size, GFP_KERNEL); - if (unlikely(cmd == NULL)) { - DRM_ERROR("Temporary fifo memory alloc failed.\n"); - ret = -ENOMEM; - goto out_free_tmp; - } - - /* setup blits pointer */ - blits = (SVGASignedRect *)&cmd[1]; - - /* initial clip region */ - left = clips->x1; - right = clips->x2; - top = clips->y1; - bottom = clips->y2; - - /* skip the first clip rect */ - for (i = 1, clips_ptr = clips + inc; - i < num_clips; i++, clips_ptr += inc) { - 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); - } - - /* only need to do this once */ - cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN); - cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); - - cmd->body.srcRect.left = left; - cmd->body.srcRect.right = right; - cmd->body.srcRect.top = top; - cmd->body.srcRect.bottom = bottom; - - clips_ptr = clips; - for (i = 0; i < num_clips; i++, clips_ptr += inc) { - 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; - } - - /* do per unit writing, reuse fifo for each */ - for (i = 0; i < num_units; i++) { - struct vmw_display_unit *unit = units[i]; - 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; - - /* 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; - - /* - * 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; - - /* 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; - - /* clip and write blits to cmd stream */ - vmw_clip_cliprects(tmp, num_clips, clip, blits, &num); - - /* if no cliprects hit skip this */ - if (num == 0) - continue; - - /* only return the last fence */ - if (out_fence && *out_fence) - vmw_fence_obj_unreference(out_fence); - - /* recalculate package length */ - fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num; - cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); - ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, - fifo_size, 0, 0, NULL, out_fence); - - if (unlikely(ret != 0)) - break; - } - - - kfree(cmd); -out_free_tmp: - kfree(tmp); - - return ret; -} - static struct drm_crtc_funcs vmw_screen_object_crtc_funcs = { .save = vmw_du_crtc_save, .restore = vmw_du_crtc_restore, @@ -790,14 +686,13 @@ int vmw_kms_sou_close_display(struct vmw_private *dev_priv) return 0; }
-static int do_dmabuf_define_gmrfb(struct drm_file *file_priv, - struct vmw_private *dev_priv, +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; - size_t fifo_size; - int ret; - struct { uint32_t header; SVGAFifoCmdDefineGMRFB body; @@ -810,123 +705,350 @@ static int do_dmabuf_define_gmrfb(struct drm_file *file_priv, if (depth == 32) depth = 24;
- fifo_size = sizeof(*cmd); - cmd = kmalloc(fifo_size, GFP_KERNEL); - if (unlikely(cmd == NULL)) { - DRM_ERROR("Failed to allocate temporary cmd buffer.\n"); + cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); + if (!cmd) { + DRM_ERROR("Out of fifo space for dirty framebuffer command.\n"); return -ENOMEM; }
- memset(cmd, 0, fifo_size); 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]; - cmd->body.ptr.gmrId = framebuffer->user_handle; - cmd->body.ptr.offset = 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; +} + +/** + * 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. + */ +static void vmw_sou_surface_fifo_commit(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; + 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; + } + + vmw_fifo_commit(dirty->dev_priv, region_size + sizeof(*cmd)); + + sdirty->left = sdirty->top = S32_MAX; + sdirty->right = sdirty->bottom = S32_MIN; +} + +/** + * 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++; +} + +/** + * 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. + */ +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_framebuffer_surface *vfbs = + container_of(framebuffer, typeof(*vfbs), base); + struct vmw_kms_sou_surface_dirty sdirty; + int ret; + + if (!srf) + srf = &vfbs->surface->res; + + 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;
- ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, - fifo_size, 0, 0, NULL, NULL); + 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;
- kfree(cmd); + 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; }
-int vmw_kms_sou_do_dmabuf_dirty(struct drm_file *file_priv, - struct vmw_private *dev_priv, +/** + * 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, - unsigned flags, unsigned color, struct drm_clip_rect *clips, unsigned num_clips, int increment, + bool interruptible, struct vmw_fence_obj **out_fence) { - 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 vmw_dma_buffer *buf = + container_of(framebuffer, struct vmw_framebuffer_dmabuf, + base)->buffer; + struct vmw_kms_dirty dirty; + int ret;
- struct { - uint32_t header; - SVGAFifoCmdBlitGMRFBToScreen body; - } *blits; + ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, interruptible, + false); + if (ret) + return ret;
- ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer); + ret = do_dmabuf_define_gmrfb(dev_priv, framebuffer); if (unlikely(ret != 0)) - return ret; /* define_gmrfb prints warnings */ + goto out_revert;
- 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; - } + 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);
- num_units = 0; - list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { - if (crtc->primary->fb != &framebuffer->base) - continue; - units[num_units++] = vmw_crtc_to_du(crtc); - } + return ret;
- 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; - int move_x, move_y; - - /* 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; - - /* 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 */ - blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN; - blits[hit_num].body.destScreenId = unit->unit; - 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; - 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; - - /* only return the last fence */ - if (out_fence && *out_fence) - vmw_fence_obj_unreference(out_fence); - - fifo_size = sizeof(*blits) * hit_num; - ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits, - fifo_size, 0, 0, NULL, out_fence); +out_revert: + vmw_kms_helper_buffer_revert(buf);
- if (unlikely(ret != 0)) - break; - } + return ret; +}
- kfree(blits);
- 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; +}