diff options
| author | Charlene Liu <charlene.liu@amd.com> | 2018-06-09 19:33:14 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-05 16:38:44 -0500 |
| commit | 7f93c1de64693dc18afe55559f14cee6b5403c6c (patch) | |
| tree | c7c67e1f70254d825e9b8538621f473d592cc491 /drivers/gpu/drm/amd/display/dc/core/dc_link.c | |
| parent | c1aaea99a43e39c7c8dc6c71b84589c89d5bcbf2 (diff) | |
drm/amd/display: add valid regoffset and NULL pointer check
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 8eb8b8768465..fa56c0fc02bf 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -33,6 +33,7 @@ #include "dc_link_dp.h" #include "dc_link_ddc.h" #include "link_hwss.h" +#include "opp.h" #include "link_encoder.h" #include "hw_sequencer.h" @@ -2382,9 +2383,10 @@ void core_link_enable_stream( core_dc->hwss.enable_audio_stream(pipe_ctx); /* turn off otg test pattern if enable */ - pipe_ctx->stream_res.tg->funcs->set_test_pattern(pipe_ctx->stream_res.tg, - CONTROLLER_DP_TEST_PATTERN_VIDEOMODE, - COLOR_DEPTH_UNDEFINED); + if (pipe_ctx->stream_res.tg->funcs->set_test_pattern) + pipe_ctx->stream_res.tg->funcs->set_test_pattern(pipe_ctx->stream_res.tg, + CONTROLLER_DP_TEST_PATTERN_VIDEOMODE, + COLOR_DEPTH_UNDEFINED); core_dc->hwss.enable_stream(pipe_ctx); |