From 15437821df97f88a2d80aebebb9a141d418ab551 Mon Sep 17 00:00:00 2001 From: Jinze Xu Date: Thu, 7 May 2020 15:19:37 +0800 Subject: [PATCH] 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 Reviewed-by: Anthony Koo Acked-by: Rodrigo Siqueira Acked-by: Tony Cheng Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_link.c | 8 ++++++++ 1 file changed, 8 insertions(+) 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 c08de6823db4b..48ab51533d5d6 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 -- 2.39.5