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 bfcd165e96dfe98d8f6ad16cdadc19017c3e7042..d743e7ca6a3c8b2e83e5ccc619e0f3d6070ff4da 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,