From: Rodrigo Siqueira Date: Wed, 21 Jun 2023 22:30:07 +0000 (-0600) Subject: drm/amd/display: Reduce stack size X-Git-Tag: v6.6.7~1918^2~20^2~118 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=135fd1b35690b8be8c0f8de4324128a6a99afa95;p=platform%2Fkernel%2Flinux-starfive.git drm/amd/display: Reduce stack size 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 Acked-by: Alan Liu Signed-off-by: Rodrigo Siqueira Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- 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 edc2d50..908e013 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -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); } /**