aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c')
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
index f1cf367e853d..be50445f9901 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
@@ -470,6 +470,9 @@ static int mdp5_plane_atomic_async_check(struct drm_plane *plane,
{
struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(state);
struct drm_crtc_state *crtc_state;
+ struct drm_rect clip;
+ int min_scale, max_scale;
+ int ret;
crtc_state = drm_atomic_get_existing_crtc_state(state->state,
state->crtc);
@@ -495,6 +498,28 @@ static int mdp5_plane_atomic_async_check(struct drm_plane *plane,
plane->state->fb != state->fb)
return -EINVAL;
+ clip.x1 = 0;
+ clip.y1 = 0;
+ clip.x2 = crtc_state->adjusted_mode.hdisplay;
+ clip.y2 = crtc_state->adjusted_mode.vdisplay;
+ min_scale = FRAC_16_16(1, 8);
+ max_scale = FRAC_16_16(8, 1);
+
+ ret = drm_plane_helper_check_state(state, &clip, min_scale,
+ max_scale, true, true);
+ if (ret)
+ return ret;
+
+ /*
+ * if the visibility of the plane changes (i.e, if the cursor is
+ * clipped out completely, we can't take the async path because
+ * we need to stage/unstage the plane from the Layer Mixer(s). We
+ * also assign/unassign the hwpipe(s) tied to the plane. We avoid
+ * taking the fast path for both these reasons.
+ */
+ if (state->visible != plane->state->visible)
+ return -EINVAL;
+
return 0;
}

Privacy Policy