[PATCH 50/73] drm/amd/display: Report pitch_alignment for DCN

[Harry Wentland]

From: Andrew Jiang <Andrew.Jiang at amd.com>

Change-Id: I2825b787ae02b7317bf1602eb2d45aeca8ba1041
Signed-off-by: Andrew Jiang <Andrew.Jiang at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <harry.wentland at 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 f2647b40f3cb..459a1c55b5cf 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 2e6122c4670a..c350fe2fec20 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;
 
-- 
2.14.1