mobile-nixos/devices/google-walleye/kernel/0001-mobile-nixos-Adds-and-sets-BGRA-as-default.patch

From 2d34c641091e8bff9771db85448165274187ea26 Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Sat, 5 Oct 2019 15:06:17 -0400
Subject: [PATCH] [mobile-nixos]: Adds and sets BGRA as default

This fixes the issue of Red and Blue channels being mixed up from the
expected.
---
 drivers/video/fbdev/msm/mdss_fb.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/msm/mdss_fb.c b/drivers/video/fbdev/msm/mdss_fb.c
index e0b5ad5b110e..94515e9d26ab 100644
--- a/drivers/video/fbdev/msm/mdss_fb.c
+++ b/drivers/video/fbdev/msm/mdss_fb.c
@@ -1297,7 +1297,7 @@ static int mdss_fb_probe(struct platform_device *pdev)
 
 	mfd->bl_scale = 1024;
 	mfd->ad_bl_level = 0;
-	mfd->fb_imgType = MDP_RGBA_8888;
+	mfd->fb_imgType = MDP_BGRA_8888;
 	mfd->calib_mode_bl = 0;
 	mfd->unset_bl_level = U32_MAX;
 	mfd->bl_extn_level = -1;
@@ -2691,6 +2691,25 @@ static int mdss_fb_register(struct msm_fb_data_type *mfd)
 		bpp = 4;
 		break;
 
+	case MDP_BGRA_8888:
+		fix->type = FB_TYPE_PACKED_PIXELS;
+		fix->xpanstep = 1;
+		fix->ypanstep = 1;
+		var->vmode = FB_VMODE_NONINTERLACED;
+		var->blue.offset = 0;
+		var->green.offset = 8;
+		var->red.offset = 16;
+		var->blue.length = 8;
+		var->green.length = 8;
+		var->red.length = 8;
+		var->blue.msb_right = 0;
+		var->green.msb_right = 0;
+		var->red.msb_right = 0;
+		var->transp.offset = 24;
+		var->transp.length = 8;
+		bpp = 4;
+		break;
+
 	case MDP_YCRYCB_H2V1:
 		fix->type = FB_TYPE_INTERLEAVED_PLANES;
 		fix->xpanstep = 2;
-- 
2.23.0