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authorJinze Xu <jinze.xu@amd.com>2020-05-07 15:19:37 +0800
committerAlex Deucher <alexander.deucher@amd.com>2020-05-21 12:48:43 -0400
commit4cf7c42739ccafca753ed942ed1c96cc445c728b (patch)
treeb79c77e182df664e202d2213718d010a58c0747a /drivers/gpu/drm/amd
parentcbd14ae7ea934fd9d9f95103a0601a7fea243573 (diff)
downloadlinux-4cf7c42739ccafca753ed942ed1c96cc445c728b.tar.bz2
drm/amd/display: Set/Reset avmute when disable/enable stream
[Why] When disconnect fe from be, something such as unstable clock may cause garbage occurs. [How] Send set avmute at the beginning of disable stream and send reset avmute at the end of enable stream. Signed-off-by: Jinze Xu <jinze.xu@amd.com> Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Acked-by: Tony Cheng <Tony.Cheng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_link.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index c08de6823db4..48ab51533d5d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -3245,6 +3245,10 @@ void core_link_enable_stream(
dp_set_dsc_enable(pipe_ctx, true);
}
+
+ if (pipe_ctx->stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) {
+ core_link_set_avmute(pipe_ctx, false);
+ }
}
void core_link_disable_stream(struct pipe_ctx *pipe_ctx)
@@ -3257,6 +3261,10 @@ void core_link_disable_stream(struct pipe_ctx *pipe_ctx)
dc_is_virtual_signal(pipe_ctx->stream->signal))
return;
+ if (pipe_ctx->stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) {
+ core_link_set_avmute(pipe_ctx, true);
+ }
+
#if defined(CONFIG_DRM_AMD_DC_HDCP)
update_psp_stream_config(pipe_ctx, true);
#endif