Commit c979d8db authored by Dmytro Laktyushkin's avatar Dmytro Laktyushkin Committed by Alex Deucher
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drm/amd/display: Add signal type check for dcn401 get_phyd32clk_src 



Trying to access link enc on a dpia link will cause a crash otherwise

Reviewed-by: default avatarCharlene Liu <charlene.liu@amd.com>
Signed-off-by: default avatarDmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Signed-off-by: default avatarChenyu Chen <chen-yu.chen@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 0d2abc02

drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c

+3 −3
Original line number Diff line number Diff line
@@ -914,10 +914,10 @@ static void dcn401_enable_stream_calc( 
			pipe_ctx->stream->link->cur_link_settings.lane_count;

	uint32_t active_total_with_borders;



	if (dc->link_srv->dp_is_128b_132b_signal(pipe_ctx))

	if (dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) {

		*dp_hpo_inst = pipe_ctx->stream_res.hpo_dp_stream_enc->inst;



		*phyd32clk = get_phyd32clk_src(pipe_ctx->stream->link);

	}



	if (dc_is_tmds_signal(pipe_ctx->stream->signal))

		dcn401_calculate_dccg_tmds_div_value(pipe_ctx, tmds_div);