[PATCH 01/28] drm/amd/display: correct alpha_en programming for new pixel format

[Qingqing Zhuo]

From: Charlene Liu <charlene....@amd.com>

[why]
for following new format, no alpha
       SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FLOAT/_FIX:
       SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FLOAT/_FIX
       same as case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555:

Signed-off-by: Charlene Liu <charlene....@amd.com>
Reviewed-by: Chris Park <chris.p...@amd.com>
Acked-by: Qingqing Zhuo <qingqing.z...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c 
b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c
index 42bba7c9548b..4af96cc5d9d6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c
@@ -181,9 +181,11 @@ static void dpp2_cnv_setup (
                break;
        case SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FIX:
                pixel_format = 112;
+               alpha_en = 0;
                break;
        case SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FIX:
                pixel_format = 113;
+               alpha_en = 0;
                break;
        case SURFACE_PIXEL_FORMAT_VIDEO_ACrYCb2101010:
                pixel_format = 114;
@@ -199,9 +201,11 @@ static void dpp2_cnv_setup (
                break;
        case SURFACE_PIXEL_FORMAT_GRPH_RGB111110_FLOAT:
                pixel_format = 118;
+               alpha_en = 0;
                break;
        case SURFACE_PIXEL_FORMAT_GRPH_BGR101111_FLOAT:
                pixel_format = 119;
+               alpha_en = 0;
                break;
        default:
                break;
-- 
2.17.1

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