mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-12-27 10:01:39 -05:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: Fix DP no audio issue

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

Reviewed-by: Swapnil Patel <swapnil.patel@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Chenyu Chen <chen-yu.chen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit bf5e396957acafd46003318965500914d5f4edfa)
This commit is contained in:
Charlene Liu
2025-11-28 19:38:31 -05:00
committed by Alex Deucher
parent fd62aa13d3
commit 3886b198bd
1 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
View File

@@ -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)