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From 3eada4046bea965ba5bf45bf797cac1fccad4193 Mon Sep 17 00:00:00 2001
From: Charlene Liu <charlene.liu@amd.com>
Date: Wed, 12 Dec 2018 18:09:16 -0500
Subject: [PATCH 1068/2940] drm/amd/display: fix PME notification not working
in RV desktop
[Why]
PPLIB not receive the PME when unplug.
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Chris Park <Chris.Park@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
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 c306db5f1d76..3d364ebbea9d 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
@@ -997,7 +997,7 @@ void dce110_enable_audio_stream(struct pipe_ctx *pipe_ctx)
pipe_ctx->stream_res.audio->funcs->az_enable(pipe_ctx->stream_res.audio);
- if (num_audio == 1 && pp_smu != NULL && pp_smu->set_pme_wa_enable != NULL)
+ if (num_audio >= 1 && pp_smu != NULL && pp_smu->set_pme_wa_enable != NULL)
/*this is the first audio. apply the PME w/a in order to wake AZ from D3*/
pp_smu->set_pme_wa_enable(&pp_smu->pp_smu);
/* un-mute audio */
@@ -1014,6 +1014,8 @@ void dce110_disable_audio_stream(struct pipe_ctx *pipe_ctx, int option)
pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control(
pipe_ctx->stream_res.stream_enc, true);
if (pipe_ctx->stream_res.audio) {
+ struct pp_smu_funcs_rv *pp_smu = dc->res_pool->pp_smu;
+
if (option != KEEP_ACQUIRED_RESOURCE ||
!dc->debug.az_endpoint_mute_only) {
/*only disalbe az_endpoint if power down or free*/
@@ -1033,6 +1035,9 @@ void dce110_disable_audio_stream(struct pipe_ctx *pipe_ctx, int option)
update_audio_usage(&dc->current_state->res_ctx, dc->res_pool, pipe_ctx->stream_res.audio, false);
pipe_ctx->stream_res.audio = NULL;
}
+ if (pp_smu != NULL && pp_smu->set_pme_wa_enable != NULL)
+ /*this is the first audio. apply the PME w/a in order to wake AZ from D3*/
+ pp_smu->set_pme_wa_enable(&pp_smu->pp_smu);
/* TODO: notify audio driver for if audio modes list changed
* add audio mode list change flag */
--
2.17.1
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