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From 1acfde46d075f5b0b5d00a20bda109338845fc46 Mon Sep 17 00:00:00 2001
From: Roman Li <Roman.Li@amd.com>
Date: Thu, 17 May 2018 18:08:54 -0400
Subject: [PATCH 4554/5725] drm/amd/display: check if audio clk enable is
applicable
Fixing warning on dce10 with HDMI display.
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
---
drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
index c063175..c0e813c 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
@@ -720,7 +720,8 @@ static void dce110_stream_encoder_update_hdmi_info_packets(
const uint32_t *content =
(const uint32_t *) &info_frame->avi.sb[0];
/*we need turn on clock before programming AFMT block*/
- REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1);
+ if (REG(AFMT_CNTL))
+ REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1);
REG_WRITE(AFMT_AVI_INFO0, content[0]);
--
2.7.4
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