[PATCH] drm/amd/display: fix null pointer deref error

[Aurabindo Pillai]

[Why]
0 was passed in place of a pointer which triggered null pointer
dereference.

[How]
Pass in a pointer that contains nullified parameters instead of null
pointer.

Signed-off-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
---
 .../gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c  | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 631a8a2f9fc3..e7944c881148 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -2191,15 +2191,18 @@ static void dce110_setup_audio_dto(
 			build_audio_output(context, pipe_ctx, &audio_output);
 
 			if (dc->res_pool->dccg && dc->res_pool->dccg->funcs->set_audio_dtbclk_dto) {
-				/* disable audio DTBCLK DTO */
-				dc->res_pool->dccg->funcs->set_audio_dtbclk_dto(
-					dc->res_pool->dccg, 0);
+				struct dtbclk_dto_params dto_params = {0};
 
 				pipe_ctx->stream_res.audio->funcs->wall_dto_setup(
 						pipe_ctx->stream_res.audio,
 						pipe_ctx->stream->signal,
 						&audio_output.crtc_info,
 						&audio_output.pll_info);
+
+				/* disable audio DTBCLK DTO */
+				dc->res_pool->dccg->funcs->set_audio_dtbclk_dto(
+					dc->res_pool->dccg, &dto_params);
+
 			} else
 				pipe_ctx->stream_res.audio->funcs->wall_dto_setup(
 					pipe_ctx->stream_res.audio,
-- 
2.36.1