linux-kernel - [PATCH v2 22/43] drm/sun4i: frontend: Add support for the BGRX8888 output format

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Message-Id: <20181123092515.2511-23-paul.kocialkowski@bootlin.com>
Date:   Fri, 23 Nov 2018 10:24:54 +0100
From:   Paul Kocialkowski <paul.kocialkowski@...tlin.com>
To:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Chen-Yu Tsai <wens@...e.org>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        linux-sunxi@...glegroups.com, Daniel Vetter <daniel@...ll.ch>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Subject: [PATCH v2 22/43] drm/sun4i: frontend: Add support for the BGRX8888 output format

This introduces support for the BGRX8888 output format for the frontend,
with its associated output format value definition.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
---
 drivers/gpu/drm/sun4i/sun4i_frontend.c | 4 ++++
 drivers/gpu/drm/sun4i/sun4i_frontend.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c
index e579fcf63ab4..7fa8fb3eb7aa 100644
--- a/drivers/gpu/drm/sun4i/sun4i_frontend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c
@@ -143,6 +143,10 @@ static int sun4i_frontend_drm_format_to_input_sequence(uint32_t fmt, u32 *val)
 static int sun4i_frontend_drm_format_to_output_fmt(uint32_t fmt, u32 *val)
 {
 	switch (fmt) {
+	case DRM_FORMAT_BGRX8888:
+		*val = SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_BGRX8888;
+		return 0;
+
 	case DRM_FORMAT_XRGB8888:
 		*val = SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_XRGB8888;
 		return 0;
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.h b/drivers/gpu/drm/sun4i/sun4i_frontend.h
index 2ee1bccf378a..800a193eebc2 100644
--- a/drivers/gpu/drm/sun4i/sun4i_frontend.h
+++ b/drivers/gpu/drm/sun4i/sun4i_frontend.h
@@ -32,6 +32,7 @@
 #define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB		1
 
 #define SUN4I_FRONTEND_OUTPUT_FMT_REG		0x05c
+#define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_BGRX8888	1
 #define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_XRGB8888	2
 
 #define SUN4I_FRONTEND_CH0_INSIZE_REG		0x100
-- 
2.19.1