diff options
| author | Chris Park <[email protected]> | 2024-03-05 17:41:15 -0500 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2024-03-22 15:49:08 -0400 |
| commit | f2afc8d4c3d08b450dcf957a253333a4e3ed65f9 (patch) | |
| tree | b54b855763a0545584b900121622374ffca8c8cf | |
| parent | 414998f2a017b2463e84cfccb32a42af191f3780 (diff) | |
drm/amd/display: Prevent crash when disable stream
[Why]
Disabling stream encoder invokes a function that no longer exists.
[How]
Check if the function declaration is NULL in disable stream encoder.
Cc: Mario Limonciello <[email protected]>
Cc: Alex Deucher <[email protected]>
Cc: [email protected]
Reviewed-by: Charlene Liu <[email protected]>
Acked-by: Wayne Lin <[email protected]>
Signed-off-by: Chris Park <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c index 9d5df4c0da59..0ba1feaf96c0 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c @@ -1185,7 +1185,8 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx) if (dccg) { dccg->funcs->disable_symclk32_se(dccg, dp_hpo_inst); dccg->funcs->set_dpstreamclk(dccg, REFCLK, tg->inst, dp_hpo_inst); - dccg->funcs->set_dtbclk_dto(dccg, &dto_params); + if (dccg && dccg->funcs->set_dtbclk_dto) + dccg->funcs->set_dtbclk_dto(dccg, &dto_params); } } else if (dccg && dccg->funcs->disable_symclk_se) { dccg->funcs->disable_symclk_se(dccg, stream_enc->stream_enc_inst, |