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authorGerd Hoffmann <kraxel@redhat.com>2019-12-12 13:53:44 +0100
committerGerd Hoffmann <kraxel@redhat.com>2019-12-16 12:39:50 +0100
commit3954ff10e06e4fbc548fc02ff1fcaaac3228fed5 (patch)
treede77092b935b4e2a00040b2d5dea3e8e766203d0 /drivers/gpu/drm/virtio
parent4ad7056a4014e1cbc77f7b0361398fa26d2817b1 (diff)
drm/virtio: skip set_scanout if framebuffer didn't change
v2: also check src rect (Chia-I Wu). Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Chia-I Wu <olvaffe@gmail.com> Link: http://patchwork.freedesktop.org/patch/msgid/20191212125346.8334-2-kraxel@redhat.com
Diffstat (limited to 'drivers/gpu/drm/virtio')
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_plane.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
index 947e65b51555..32de6bd9893a 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -151,20 +151,27 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
if (bo->dumb)
virtio_gpu_update_dumb_bo(vgdev, bo, plane->state);
- DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d, src %dx%d+%d+%d\n",
- bo->hw_res_handle,
- plane->state->crtc_w, plane->state->crtc_h,
- plane->state->crtc_x, plane->state->crtc_y,
- plane->state->src_w >> 16,
- plane->state->src_h >> 16,
- plane->state->src_x >> 16,
- plane->state->src_y >> 16);
- virtio_gpu_cmd_set_scanout(vgdev, output->index,
- bo->hw_res_handle,
- plane->state->src_w >> 16,
- plane->state->src_h >> 16,
- plane->state->src_x >> 16,
- plane->state->src_y >> 16);
+ if (plane->state->fb != old_state->fb ||
+ plane->state->src_w != old_state->src_w ||
+ plane->state->src_h != old_state->src_h ||
+ plane->state->src_x != old_state->src_x ||
+ plane->state->src_y != old_state->src_y) {
+ DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d, src %dx%d+%d+%d\n",
+ bo->hw_res_handle,
+ plane->state->crtc_w, plane->state->crtc_h,
+ plane->state->crtc_x, plane->state->crtc_y,
+ plane->state->src_w >> 16,
+ plane->state->src_h >> 16,
+ plane->state->src_x >> 16,
+ plane->state->src_y >> 16);
+ virtio_gpu_cmd_set_scanout(vgdev, output->index,
+ bo->hw_res_handle,
+ plane->state->src_w >> 16,
+ plane->state->src_h >> 16,
+ plane->state->src_x >> 16,
+ plane->state->src_y >> 16);
+ }
+
virtio_gpu_cmd_resource_flush(vgdev, bo->hw_res_handle,
plane->state->src_x >> 16,
plane->state->src_y >> 16,