From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Try to fix the code to actually clip the plane to the crtc bounds
instead of the user provided crtc coordinates (which would be a no-op
since those are exactly the coordinates before clipping).
Cc: VMware Graphics <linux-graphics-maintainer@xxxxxxxxxx>
Cc: Sinclair Yeh <syeh@xxxxxxxxxx>
Cc: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 515b67783a41..efa41c086198 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -441,20 +441,23 @@ vmw_du_cursor_plane_atomic_update(struct drm_plane *plane,
int vmw_du_primary_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
+ struct drm_crtc_state *crtc_state = NULL;
struct drm_framebuffer *new_fb = state->fb;
- struct drm_rect clip = {
- .x1 = state->crtc_x,
- .y1 = state->crtc_y,
- .x2 = state->crtc_x + state->crtc_w,
- .y2 = state->crtc_y + state->crtc_h,
- };
+ struct drm_rect clip = {};
int ret;
- ret = drm_plane_helper_check_state(state, &clip,
- DRM_PLANE_HELPER_NO_SCALING,
- DRM_PLANE_HELPER_NO_SCALING,
- false, true);
+ if (state->crtc)
+ crtc_state = drm_atomic_get_new_crtc_state(state->state, state->crtc);
+ if (crtc_state && crtc_state->enable) {
+ clip.x2 = crtc_state->adjusted_mode.hdisplay;
+ clip.y2 = crtc_state->adjusted_mode.vdisplay;
+ }
+
+ ret = drm_plane_helper_check_state(state, &clip,
+ DRM_PLANE_HELPER_NO_SCALING,
+ DRM_PLANE_HELPER_NO_SCALING,
+ false, true);
if (!ret && new_fb) {
struct drm_crtc *crtc = state->crtc;
--
2.13.6
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