Patchwork [3.5.y.z,extended,stable] Patch "drm: Use C8 instead of RGB332 when determining the format" has been added to staging queue

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Submitter Luis Henriques
Date Feb. 28, 2013, 11:58 a.m.
Message ID <>
Download mbox | patch
Permalink /patch/223924/
State New
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Luis Henriques - Feb. 28, 2013, 11:58 a.m.
This is a note to let you know that I have just added a patch titled

    drm: Use C8 instead of RGB332 when determining the format

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see



From fe9780309ae3f7c249a2cbf7a0390e04991614f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <>
Date: Thu, 31 Jan 2013 19:43:38 +0200
Subject: [PATCH] drm: Use C8 instead of RGB332 when determining the format
 from depth/bpp
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

commit d84f031bd230fdf9c3b7734940c859bf28b90219 upstream.

Support for real RGB332 is a rarity, most hardware only really support
C8. So use C8 instead of RGB332 when determining the format based on

This fixes 8bpp fbcon on i915, since i915 will only accept C8 and not

Signed-off-by: Ville Syrjälä <>
Acked-by: Dave Airlie <>
Signed-off-by: Daniel Vetter <>
Signed-off-by: Luis Henriques <>
 drivers/gpu/drm/drm_crtc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)



diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 2ca9737..3859f43 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2023,7 +2023,7 @@  uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth)

 	switch (bpp) {
 	case 8:
-		fmt = DRM_FORMAT_RGB332;
+		fmt = DRM_FORMAT_C8;
 	case 16:
 		if (depth == 15)