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drm/vmwgfx: Try to fix plane clipping 

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@vmware.com>
Cc: Sinclair Yeh <syeh@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171101182920.14386-4-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
This commit is contained in:
Ville Syrjälä 2017-11-01 20:29:18 +02:00
parent 13dd5b62ce
commit 58a275aa95
1 changed files with 13 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View File

@ -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;