linux-kernel - [PATCH] drm: fourcc byteorder: drop DRM_FORMAT_BIG

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Message-Id: <20170421075905.6498-1-kraxel@redhat.com>
Date:   Fri, 21 Apr 2017 09:59:05 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Gerd Hoffmann <kraxel@...hat.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>,
        David Airlie <airlied@...ux.ie>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] drm: fourcc byteorder: drop DRM_FORMAT_BIG_ENDIAN

It's unused.

Suggested-by: Daniel Vetter <daniel.vetter@...el.com>
Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
 include/uapi/drm/drm_fourcc.h     | 2 --
 drivers/gpu/drm/drm_fourcc.c      | 3 +--
 drivers/gpu/drm/drm_framebuffer.c | 2 +-
 3 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 1579765..97f26d9 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -33,8 +33,6 @@ extern "C" {
 #define fourcc_code(a, b, c, d) ((__u32)(a) | ((__u32)(b) << 8) | \
 				 ((__u32)(c) << 16) | ((__u32)(d) << 24))
 
-#define DRM_FORMAT_BIG_ENDIAN (1<<31) /* format is big endian instead of little endian */
-
 /* color index */
 #define DRM_FORMAT_C8		fourcc_code('C', '8', ' ', ' ') /* [7:0] C */
 
diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
index 9c0152d..adb3ff5 100644
--- a/drivers/gpu/drm/drm_fourcc.c
+++ b/drivers/gpu/drm/drm_fourcc.c
@@ -86,12 +86,11 @@ EXPORT_SYMBOL(drm_mode_legacy_fb_format);
 const char *drm_get_format_name(uint32_t format, struct drm_format_name_buf *buf)
 {
 	snprintf(buf->str, sizeof(buf->str),
-		 "%c%c%c%c %s-endian (0x%08x)",
+		 "%c%c%c%c (0x%08x)",
 		 printable_char(format & 0xff),
 		 printable_char((format >> 8) & 0xff),
 		 printable_char((format >> 16) & 0xff),
 		 printable_char((format >> 24) & 0x7f),
-		 format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little",
 		 format);
 
 	return buf->str;
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index fc8ef42..efe8b5e 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -152,7 +152,7 @@ static int framebuffer_check(struct drm_device *dev,
 	int i;
 
 	/* check if the format is supported at all */
-	info = __drm_format_info(r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN);
+	info = __drm_format_info(r->pixel_format);
 	if (!info) {
 		struct drm_format_name_buf format_name;
 		DRM_DEBUG_KMS("bad framebuffer format %s\n",
-- 
2.9.3