From: Amy Zhang <Amy.Zhang@amd.com>
Date: Thu, 30 Mar 2017 15:39:47 +0000 (-0400)
Subject: drm/amd/display: PSR Aux Channel and Static Screen Support Fix
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=6848e9896b9c9a26a44ac6764ca4bb7351ae573e;p=openwrt%2Fstaging%2Fblogic.git

drm/amd/display: PSR Aux Channel and Static Screen Support Fix

- Correct the aux channel selection according to DAL3

Signed-off-by: Amy Zhang <Amy.Zhang@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

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 0f825f6326ab..b878fb9697d7 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1482,8 +1482,6 @@ bool dc_link_setup_psr(const struct dc_link *dc_link,
 			sizeof(psr_configuration.raw));
 
 		psr_context.channel = link->ddc->ddc_pin->hw_info.ddc_channel;
-		if (psr_context.channel == 0)
-			psr_context.channel = 1;
 		psr_context.transmitterId = link->link_enc->transmitter;
 		psr_context.engineId = link->link_enc->preferred_engine;