From: Chris Park <[email protected]>

[Why]
Disabling stream encoder invokes a function that no longer exists
in bring-up.

[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]>
---
 drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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,
-- 
2.37.3

Reply via email to