The msm atomic_check implementation uses the deprecated
drm_atomic_get_existing_crtc_state() helper.

This hook is called as part of the global atomic_check, thus before the
states are swapped. The existing state thus points to the new state, and
we can use drm_atomic_get_new_crtc_state() instead.

Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
 drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
index 7c790406d533fbabb330c438419efb18204cc4b7..4ca183fb61a95af60ef5a2c011ae6b2a0df963f0 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
@@ -334,12 +334,11 @@ static int mdp5_plane_atomic_check(struct drm_plane *plane,
 
 	crtc = new_plane_state->crtc ? new_plane_state->crtc : old_plane_state->crtc;
 	if (!crtc)
 		return 0;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(state,
-							crtc);
+	crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
 	if (WARN_ON(!crtc_state))
 		return -EINVAL;
 
 	return mdp5_plane_atomic_check_with_state(crtc_state, new_plane_state);
 }
@@ -371,12 +370,12 @@ static int mdp5_plane_atomic_async_check(struct drm_plane *plane,
 	struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(new_plane_state);
 	struct drm_crtc_state *crtc_state;
 	int min_scale, max_scale;
 	int ret;
 
-	crtc_state = drm_atomic_get_existing_crtc_state(state,
-							new_plane_state->crtc);
+	crtc_state = drm_atomic_get_new_crtc_state(state,
+						   new_plane_state->crtc);
 	if (WARN_ON(!crtc_state))
 		return -EINVAL;
 
 	if (!crtc_state->active)
 		return -EINVAL;

-- 
2.50.1

On Mon, Aug 25, 2025 at 03:43:31PM +0200, Maxime Ripard wrote:
> The msm atomic_check implementation uses the deprecated
> drm_atomic_get_existing_crtc_state() helper.
> 
> This hook is called as part of the global atomic_check, thus before the
> states are swapped. The existing state thus points to the new state, and
> we can use drm_atomic_get_new_crtc_state() instead.
> 
> Signed-off-by: Maxime Ripard <mripard@kernel.org>
> ---
>  drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

To merge through drm-misc-next:

Acked-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>


-- 
With best wishes
Dmitry