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From 694684cf06a62e2053430960d8f0dae58d213381 Mon Sep 17 00:00:00 2001
From: Tony Cheng <tony.cheng@amd.com>
Date: Fri, 23 Dec 2016 07:12:19 -0500
Subject: [PATCH 0104/4131] drm/amd/display: debug opt disable hdmi deep color
Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/dc.h | 1 +
drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index ef9a697..823a872 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -147,6 +147,7 @@ struct dc_debug {
bool disable_power_gate;
bool disable_clock_gate;
bool disable_dmcu;
+ bool disable_hdmi_deep_color;
};
struct dc {
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
index a8a2290..b439a9e 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
@@ -993,6 +993,9 @@ bool dce110_link_encoder_construct(
enc110->base.features.max_deep_color = COLOR_DEPTH_121212;
enc110->base.features.max_hdmi_deep_color = COLOR_DEPTH_121212;
+ if (enc110->base.ctx->dc->debug.disable_hdmi_deep_color)
+ enc110->base.features.max_hdmi_deep_color = COLOR_DEPTH_888;
+
/* set the flag to indicate whether driver poll the I2C data pin
* while doing the DP sink detect
*/
--
2.7.4
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