diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2026-02-16 09:32:53 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-07-28 19:17:31 -0400 |
| commit | 5adb54abe5a8e82cbff7f8806db30a5f4924329f (patch) | |
| tree | be8d40805407aa2c2890ae9e0040e4e0f0073cb3 | |
| parent | 29c0f7c655f47bcbd575ff75e58480df6ec3c9da (diff) | |
| download | linux-next-5adb54abe5a8e82cbff7f8806db30a5f4924329f.tar.gz linux-next-5adb54abe5a8e82cbff7f8806db30a5f4924329f.zip | |
drm/amd/display: check if dml21_add_phantom_plane() is successful
Verify that the phantom plane was allocated to avoid a later
segfault.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4970
Fixes: 70839da63605 ("drm/amd/display: Add new DCN401 sources")
Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_utils.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_utils.c b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_utils.c index 16e1315da2fa..012dff4cf3fa 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_utils.c +++ b/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/dml21_utils.c @@ -359,14 +359,13 @@ void dml21_handle_phantom_streams_planes(const struct dc *dc, struct dc_state *c main_plane = main_stream_status->plane_states[dc_plane_index]; /* create phantom planes for subvp enabled plane */ - dml21_add_phantom_plane(dml_ctx, - dc, - context, - phantom_stream, - main_plane, - &dml_ctx->v21.mode_programming.programming->plane_programming[dml_plane_index]); - - phantoms_added = true; + if (dml21_add_phantom_plane(dml_ctx, + dc, + context, + phantom_stream, + main_plane, + &dml_ctx->v21.mode_programming.programming->plane_programming[dml_plane_index])) + phantoms_added = true; } } } |