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From 38659d4cb02e1473e774b9269093660d709fc015 Mon Sep 17 00:00:00 2001
From: Andrew Jiang <Andrew.Jiang@amd.com>
Date: Mon, 6 Nov 2017 11:56:21 -0500
Subject: [PATCH 2739/4131] drm/amd/display: Report pitch_alignment for DCN
Signed-off-by: Andrew Jiang <Andrew.Jiang@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@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/dcn10/dcn10_resource.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index c966228..ae78770 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -58,6 +58,7 @@ struct dc_caps {
uint32_t i2c_speed_in_khz;
unsigned int max_cursor_size;
unsigned int max_video_width;
+ int pitch_alignment;
bool dcc_const_color;
bool dynamic_audio;
bool is_apu;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index 704b235..bd1a20b 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -1267,7 +1267,7 @@ static bool construct(
dc->caps.max_downscale_ratio = 200;
dc->caps.i2c_speed_in_khz = 100;
dc->caps.max_cursor_size = 256;
-
+ dc->caps.pitch_alignment = 64; /* Alignment is 64 on DCN1 */
dc->caps.max_slave_planes = 1;
dc->caps.is_apu = true;
--
2.7.4
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