xf86-video-modesetting: backport fix for graphics corruption
This fixes graphics corruption that can occur when using 32 bpp pixmaps with 24 bpp framebuffer. (From OE-Core rev: dc8ad21502549b33b4c59c31df66d15d2f656df7) Signed-off-by: Jonathan Liu <net147@gmail.com> Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -0,0 +1,31 @@
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Upstream-Status: Backport
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Signed-off-by: Jonathan Liu <net147@gmail.com>
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From cba29fd8c2f605ed66718aa3a6b5833deb5d4cf9 Mon Sep 17 00:00:00 2001
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From: Maarten Lankhorst <maarten.lankhorst@canonical.com>
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Date: Wed, 3 Apr 2013 12:08:44 +0200
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Subject: [PATCH] support 32 bpp pixmaps when 24 bpp fb is used.
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Fixes background corruption in ubuntu.
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Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
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---
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src/driver.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/driver.c b/src/driver.c
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index 06d6d53..742aadd 100644
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--- a/src/driver.c
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+++ b/src/driver.c
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@@ -650,7 +650,7 @@ PreInit(ScrnInfoPtr pScrn, int flags)
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#endif
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drmmode_get_default_bpp(pScrn, &ms->drmmode, &defaultdepth, &defaultbpp);
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if (defaultdepth == 24 && defaultbpp == 24)
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- bppflags = Support24bppFb;
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+ bppflags = SupportConvert32to24 | Support24bppFb;
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else
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bppflags = PreferConvert24to32 | SupportConvert24to32 | Support32bppFb;
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--
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1.8.3
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@ -3,5 +3,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=5e53d3fcadb1c23d122ad63cb099a918"
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DESCRIPTION = "X.Org X server -- modesetting display driver"
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SRC_URI += "file://support-32-bpp-pixmaps-when-24-bpp-fb-is-used.patch"
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SRC_URI[md5sum] = "38e64eb09cef9bdf1de400bbe9818321"
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SRC_URI[sha256sum] = "2bc55f776eaee7b4e13df13238d36c4facf1cdca095a11519baf2376f5c996ac"
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