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>

diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index f2647b4..459a1c5 100644 (file)
--- 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 340ff11..531402a 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -1269,7 +1269,7 @@ 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;