linux-kernel - [PATCH 4/4] DRM: ARC: PGU: add ARGB8888 format to supported format list

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Message-Id: <20191119144147.8022-5-Eugeniy.Paltsev@synopsys.com>
Date:   Tue, 19 Nov 2019 17:41:47 +0300
From:   Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
To:     dri-devel@...ts.freedesktop.org,
        Alexey Brodkin <Alexey.Brodkin@...opsys.com>
Cc:     linux-snps-arc@...ts.infradead.org, linux-kernel@...r.kernel.org,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
Subject: [PATCH 4/4] DRM: ARC: PGU: add ARGB8888 format to supported format list

As we ignore first 8 bit of 32 bit pixel value we can add ARGB8888
format as alias of XRGB8888.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>
---
 drivers/gpu/drm/arc/arcpgu_crtc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/arc/arcpgu_crtc.c b/drivers/gpu/drm/arc/arcpgu_crtc.c
index 980e00180e6f..8ae1e1f97a73 100644
--- a/drivers/gpu/drm/arc/arcpgu_crtc.c
+++ b/drivers/gpu/drm/arc/arcpgu_crtc.c
@@ -23,6 +23,7 @@
 static const u32 arc_pgu_supported_formats[] = {
 	DRM_FORMAT_RGB565,
 	DRM_FORMAT_XRGB8888,
+	DRM_FORMAT_ARGB8888,
 };
 
 static void arc_pgu_set_pxl_fmt(struct drm_crtc *crtc)
-- 
2.21.0