[PATCH 5.10 035/104] drm/amd/display: Free atomic state after drm_atomic_commit

Greg Kroah-Hartman
2021-02-15T15:38:08Z

From: Victor Lu <victorchengchi.lu@amd.com>

[ Upstream commit 2abaa323d744011982b20b8f3886184d56d23946 ]

[why]
drm_atomic_commit was changed so that the caller must free their
drm_atomic_state reference on successes.

[how]
Add drm_atomic_commit_put after drm_atomic_commit call in
dm_force_atomic_commit.

Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index e5e05a6cb62ab..321df20fcdb99 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7870,14 +7870,14 @@ static int dm_force_atomic_commit(struct drm_connector *connector)

ret = PTR_ERR_OR_ZERO(conn_state);
if (ret)
- goto err;
+ goto out;

/* Attach crtc to drm_atomic_state*/
crtc_state = drm_atomic_get_crtc_state(state, &disconnected_acrtc->base);

ret = PTR_ERR_OR_ZERO(crtc_state);
if (ret)
- goto err;
+ goto out;

/* force a restore */
crtc_state->mode_changed = true;
@@ -7887,17 +7887,15 @@ static int dm_force_atomic_commit(struct drm_connector *connector)

ret = PTR_ERR_OR_ZERO(plane_state);
if (ret)
- goto err;
-
+ goto out;

/* Call commit internally with the state we just constructed */
ret = drm_atomic_commit(state);
- if (!ret)
- return 0;

-err:
- DRM_ERROR("Restoring old state failed with %i\n", ret);
+out:
drm_atomic_state_put(state);
+ if (ret)
+ DRM_ERROR("Restoring old state failed with %i\n", ret);

return ret;
}
--
2.27.0