[PATCH 38/66] drm/amd/display: Return error code on DSC atomic check failure

[Qingqing Zhuo]

From: hersen wu <hersenxs...@amd.com>

[Why&How]
We were not returning -EINVAL on DSC atomic check fail. Add it.

Fixes: 71be4b16d39a ("drm/amd/display: dsc validate fail not pass to atomic 
check")
Reviewed-by: Aurabindo Pillai <aurabindo.pil...@amd.com>
Signed-off-by: Hersen Wu <hersenxs...@amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c           | 1 +
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 1 +
 2 files changed, 2 insertions(+)

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 71e3bc9e7f8f..dfcb9815b5a8 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -10169,6 +10169,7 @@ static int amdgpu_dm_atomic_check(struct drm_device 
*dev,
                ret = compute_mst_dsc_configs_for_state(state, 
dm_state->context, vars);
                if (ret) {
                        DRM_DEBUG_DRIVER("compute_mst_dsc_configs_for_state() 
failed\n");
+                       ret = -EINVAL;
                        goto fail;
                }
 
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 5dc79b753d5f..810ab682f424 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -1410,6 +1410,7 @@ int pre_validate_dsc(struct drm_atomic_state *state,
        ret = pre_compute_mst_dsc_configs_for_state(state, local_dc_state, 
vars);
        if (ret != 0) {
                DRM_INFO_ONCE("pre_compute_mst_dsc_configs_for_state() 
failed\n");
+               ret = -EINVAL;
                goto clean_exit;
        }
 
-- 
2.34.1