drm/msm/dpu: Ignore alpha for XBGR8888 format
authorJayant Shekhar <jshekhar@codeaurora.org>
Fri, 30 Nov 2018 11:52:50 +0000 (17:22 +0530)
committerSean Paul <seanpaul@chromium.org>
Mon, 3 Dec 2018 13:46:14 +0000 (08:46 -0500)
Alpha enable in the pixel format will help in
selecting the blend rule. By keeping alpha enable
to true we are allowing foreground alpha to blend
with the layer. If alpha is don't care, then we
should not allow pixel alpha to be part of blend
equation.

Signed-off-by: Jayant Shekhar <jshekhar@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c

index bfcd165..d743e7c 100644 (file)
@@ -216,7 +216,7 @@ static const struct dpu_format dpu_format_map[] = {
        INTERLEAVED_RGB_FMT(XBGR8888,
                COLOR_8BIT, COLOR_8BIT, COLOR_8BIT, COLOR_8BIT,
                C2_R_Cr, C0_G_Y, C1_B_Cb, C3_ALPHA, 4,
-               true, 4, 0,
+               false, 4, 0,
                DPU_FETCH_LINEAR, 1),
 
        INTERLEAVED_RGB_FMT(RGBA8888,