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drm/amd/display: Reduce stack size

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Reduce stack size pointed by clang:

amdgpu_dm/amdgpu_dm.c:8655:13: error: stack frame size (1048) exceeds limit (1024) in 'amdgpu_dm_atomic_commit_tail' [-Werror,-Wframe-larger-than]

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Alan Liu <haoping.liu@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rodrigo Siqueira 2023-06-21 16:30:07 -06:00 • committed by Alex Deucher
parent 30e9b7cb9c
commit 135fd1b356
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -8710,13 +8710,12 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state);
struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc);
struct dc_surface_update dummy_updates[MAX_SURFACES];
struct dc_surface_update *dummy_updates;
struct dc_stream_update stream_update;
struct dc_info_packet hdr_packet;
struct dc_stream_status *status = NULL;
bool abm_changed, hdr_changed, scaling_changed;
memset(&dummy_updates, 0, sizeof(dummy_updates));
memset(&stream_update, 0, sizeof(stream_update));
if (acrtc) {
@ -8775,6 +8774,7 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
* Here we create an empty update on each plane.
* To fix this, DC should permit updating only stream properties.
*/
dummy_updates = kzalloc(sizeof(struct dc_surface_update) * MAX_SURFACES, GFP_ATOMIC);
for (j = 0; j < status->plane_count; j++)
dummy_updates[j].surface = status->plane_states[0];
@ -8786,6 +8786,7 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
dm_new_crtc_state->stream,
&stream_update);
mutex_unlock(&dm->dc_lock);
kfree(dummy_updates);
}
/**