Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: 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>
authored by
Charlene Liu
and committed by
Alex Deucher
bf5e3969
576e032e
+4
-5
+4
-4
drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
+4
-4
drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
···
1098
1098
if (dc->current_state->res_ctx.pipe_ctx[i].stream_res.audio != NULL)
1099
1099
num_audio++;
1100
1100
}
1101
+
if (num_audio >= 1 && clk_mgr->funcs->enable_pme_wa) {
1102
+
/*wake AZ from D3 first before access az endpoint*/
1103
+
clk_mgr->funcs->enable_pme_wa(clk_mgr);
1104
+
}
1101
1105
1102
1106
pipe_ctx->stream_res.audio->funcs->az_enable(pipe_ctx->stream_res.audio);
1103
-
1104
-
if (num_audio >= 1 && clk_mgr->funcs->enable_pme_wa)
1105
-
/*this is the first audio. apply the PME w/a in order to wake AZ from D3*/
1106
-
clk_mgr->funcs->enable_pme_wa(clk_mgr);
1107
1107
1108
1108
link_hwss->enable_audio_packet(pipe_ctx);
1109
1109