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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0985-drm-amd-display-re-enable-audio-after-LT-test.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0985-drm-amd-display-re-enable-audio-after-LT-test.patch60
1 files changed, 60 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0985-drm-amd-display-re-enable-audio-after-LT-test.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0985-drm-amd-display-re-enable-audio-after-LT-test.patch
new file mode 100644
index 00000000..c657a606
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0985-drm-amd-display-re-enable-audio-after-LT-test.patch
@@ -0,0 +1,60 @@
+From 41f1a5f323465063ab4f2ce8161d2e3cacc78eef Mon Sep 17 00:00:00 2001
+From: Wenjing Liu <Wenjing.Liu@amd.com>
+Date: Thu, 17 Aug 2017 16:24:11 -0400
+Subject: [PATCH 0985/4131] drm/amd/display: re-enable audio after LT test
+
+[Description]
+Audio should be attached to the same pipe once it is attached.
+We will not remove audio endpoint in disable stream.
+We will reeanble the audio after automated link training test
+
+Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 14 ++++++++++++++
+ .../gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 2 --
+ 2 files changed, 14 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
+index e12f1f9..3a5abd9 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
+@@ -310,6 +310,20 @@ void dp_retrain_link_dp_test(struct dc_link *link,
+
+ link->dc->hwss.unblank_stream(&pipes[i],
+ link_setting);
++
++ if (pipes[i].stream_res.audio) {
++ /* notify audio driver for
++ * audio modes of monitor */
++ pipes[i].stream_res.audio->funcs->az_enable(
++ pipes[i].stream_res.audio);
++
++ /* un-mute audio */
++ /* TODO: audio should be per stream rather than
++ * per link */
++ pipes[i].stream_res.stream_enc->funcs->
++ audio_mute_control(
++ pipes[i].stream_res.stream_enc, false);
++ }
+ }
+ }
+ }
+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 8f43d6d..6b2b491 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
+@@ -758,8 +758,6 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx)
+ pipe_ctx->stream_res.stream_enc->funcs->hdmi_audio_disable(
+ pipe_ctx->stream_res.stream_enc);
+
+- pipe_ctx->stream_res.audio = NULL;
+-
+ /* TODO: notify audio driver for if audio modes list changed
+ * add audio mode list change flag */
+ /* dal_audio_disable_azalia_audio_jack_presence(stream->audio,
+--
+2.7.4
+