diff options
Diffstat (limited to 'drivers/gpu/drm/msm/mdp')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c | 25 |
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; } |
