While we may not update new_crtc_state, we may clear active_planes
if the new cursor update state will disable the cursor, but we fail
after. If this is immediately followed by a modeset disable, we may
soon not disable the planes correctly when we start depending on
active_planes.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 25 +++++++++++++++++--------
1 file changed, 17 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2ac381eb8103..7a7ff1d76031 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13517,14 +13517,16 @@ intel_legacy_cursor_update(struct drm_plane *plane,
struct drm_plane_state *old_plane_state, *new_plane_state;
struct intel_plane *intel_plane = to_intel_plane(plane);
struct drm_framebuffer *old_fb;
- struct drm_crtc_state *crtc_state = crtc->state;
+ struct intel_crtc_state *crtc_state =
+ to_intel_crtc_state(crtc->state);
+ struct intel_crtc_state *new_crtc_state;
/*
* When crtc is inactive or there is a modeset pending,
* wait for it to complete in the slowpath
*/
- if (!crtc_state->active || needs_modeset(crtc_state) ||
- to_intel_crtc_state(crtc_state)->update_pipe)
+ if (!crtc_state->base.active || needs_modeset(&crtc_state->base) ||
+ crtc_state->update_pipe)
goto slow;
old_plane_state = plane->state;
@@ -13554,6 +13556,12 @@ intel_legacy_cursor_update(struct drm_plane *plane,
if (!new_plane_state)
return -ENOMEM;
+ new_crtc_state = to_intel_crtc_state(intel_crtc_duplicate_state(crtc));
+ if (!new_crtc_state) {
+ ret = -ENOMEM;
+ goto out_free;
+ }
+
drm_atomic_set_fb_for_plane(new_plane_state, fb);
new_plane_state->src_x = src_x;
@@ -13565,9 +13573,8 @@ intel_legacy_cursor_update(struct drm_plane *plane,
new_plane_state->crtc_w = crtc_w;
new_plane_state->crtc_h = crtc_h;
- ret = intel_plane_atomic_check_with_state(to_intel_crtc_state(crtc->state),
- to_intel_crtc_state(crtc->state), /* FIXME need a new crtc state? */
- to_intel_plane_state(plane->state),
+ ret = intel_plane_atomic_check_with_state(crtc_state, new_crtc_state,
+ to_intel_plane_state(old_plane_state),
to_intel_plane_state(new_plane_state));
if (ret)
goto out_free;
@@ -13588,11 +13595,11 @@ intel_legacy_cursor_update(struct drm_plane *plane,
/* Swap plane state */
plane->state = new_plane_state;
+ crtc_state->active_planes = new_crtc_state->active_planes;
if (plane->state->visible) {
trace_intel_update_plane(plane, to_intel_crtc(crtc));
- intel_plane->update_plane(intel_plane,
- to_intel_crtc_state(crtc->state),
+ intel_plane->update_plane(intel_plane, crtc_state,
to_intel_plane_state(plane->state));
} else {
trace_intel_disable_plane(plane, to_intel_crtc(crtc));
@@ -13604,6 +13611,8 @@ intel_legacy_cursor_update(struct drm_plane *plane,
out_unlock:
mutex_unlock(&dev_priv->drm.struct_mutex);
out_free:
+ if (new_crtc_state)
+ intel_crtc_destroy_state(crtc, &new_crtc_state->base);
if (ret)
intel_plane_destroy_state(plane, new_plane_state);
else
--
2.18.0
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
