diff options
author | Charlene Liu <charlene.liu@amd.com> | 2023-05-19 20:43:30 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 12:49:56 -0400 |
commit | 389c6b3e120303715c018d1bfc7bab02b50ca3f4 (patch) | |
tree | 7fe4fb5eba59c6dd8a8392447bd08b6c6a9dbbce | |
parent | 3ffb193969c57afd4096cfb107ca2cc3bb0c55d9 (diff) |
drm/amd/display: add NULL pointer check
[why]
check dmub_Srv exist or not before accessing dmub.
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Zhan Liu <Zhan.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 0d3ec50b1385..6e11d2b701f8 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -276,8 +276,8 @@ static void program_cursor_attributes( } dc->hwss.set_cursor_attribute(pipe_ctx); - - dc_send_update_cursor_info_to_dmu(pipe_ctx, i); + if (dc->ctx->dmub_srv) + dc_send_update_cursor_info_to_dmu(pipe_ctx, i); if (dc->hwss.set_cursor_sdr_white_level) dc->hwss.set_cursor_sdr_white_level(pipe_ctx); } @@ -396,8 +396,8 @@ static void program_cursor_position( } dc->hwss.set_cursor_position(pipe_ctx); - - dc_send_update_cursor_info_to_dmu(pipe_ctx, i); + if (dc->ctx->dmub_srv) + dc_send_update_cursor_info_to_dmu(pipe_ctx, i); } if (pipe_to_program) |