Commit 3886b198 authored by Charlene Liu's avatar Charlene Liu Committed by Alex Deucher
Browse files

drm/amd/display: Fix DP no audio issue 



[why]
need to enable APG_CLOCK_ENABLE enable first
also need to wake up az from D3 before access az block

Reviewed-by: default avatarSwapnil Patel <swapnil.patel@amd.com>
Signed-off-by: default avatarCharlene Liu <Charlene.Liu@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>
(cherry picked from commit bf5e3969)
parent fd62aa13

drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c

+4 −4
Original line number Diff line number Diff line
@@ -1118,13 +1118,13 @@ void dce110_enable_audio_stream(struct pipe_ctx *pipe_ctx) 
			if (dc->current_state->res_ctx.pipe_ctx[i].stream_res.audio != NULL)

				num_audio++;

		}

		if (num_audio >= 1 && clk_mgr->funcs->enable_pme_wa) {

			/*wake AZ from D3 first before access az endpoint*/

			clk_mgr->funcs->enable_pme_wa(clk_mgr);

		}



		pipe_ctx->stream_res.audio->funcs->az_enable(pipe_ctx->stream_res.audio);



		if (num_audio >= 1 && clk_mgr->funcs->enable_pme_wa)

			/*this is the first audio. apply the PME w/a in order to wake AZ from D3*/

			clk_mgr->funcs->enable_pme_wa(clk_mgr);



		link_hwss->enable_audio_packet(pipe_ctx);



		if (pipe_ctx->stream_res.audio)