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freifunkist-firmware/target/linux/brcm2708/patches-4.4/0453-drm-vc4-enable-XBGR888...

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From 6771102fcd8bf6a7e1638807b78f35df4fece9a6 Mon Sep 17 00:00:00 2001
From: Rob Herring <robh@kernel.org>
Date: Thu, 9 Jun 2016 16:19:25 -0500
Subject: [PATCH] drm: vc4: enable XBGR8888 and ABGR8888 pixel formats
DRM_FORMAT_XBGR8888 and DRM_FORMAT_ABGR8888 are 2 of the native formats
used in Android, so enable them for VC4. There seems to be no logic behind
HVS_PIXEL_ORDER_xxxx naming, but HVS_PIXEL_ORDER_ARGB seems to work
correctly.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
(cherry picked from commit 93977767f092fbf0787e5d2a0bf2e0a3fc6f6ced)
---
drivers/gpu/drm/vc4/vc4_plane.c | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/drivers/gpu/drm/vc4/vc4_plane.c
+++ b/drivers/gpu/drm/vc4/vc4_plane.c
@@ -94,6 +94,14 @@ static const struct hvs_format {
.pixel_order = HVS_PIXEL_ORDER_ABGR, .has_alpha = true,
},
{
+ .drm = DRM_FORMAT_ABGR8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888,
+ .pixel_order = HVS_PIXEL_ORDER_ARGB, .has_alpha = true,
+ },
+ {
+ .drm = DRM_FORMAT_XBGR8888, .hvs = HVS_PIXEL_FORMAT_RGBA8888,
+ .pixel_order = HVS_PIXEL_ORDER_ARGB, .has_alpha = false,
+ },
+ {
.drm = DRM_FORMAT_RGB565, .hvs = HVS_PIXEL_FORMAT_RGB565,
.pixel_order = HVS_PIXEL_ORDER_XRGB, .has_alpha = false,
},