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authorRichard Purdie <richard.purdie@linuxfoundation.org>2011-09-16 15:57:12 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2011-09-16 15:57:17 +0100
commitd06781eab16881d2206a3306c66a0c4c1e178dde (patch)
tree8b6e5dd19d817511d4465833018469e8549f570e /meta/recipes-devtools/qemu
parentbb4dad44432b2e40ac3cf16baa45befbae3e70f5 (diff)
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qemu: Fix reversed BGR values on ARM Versatile emulation
[YOCTO #1469] Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-devtools/qemu')
-rw-r--r--meta/recipes-devtools/qemu/qemu-0.14.0/arm-bgr.patch30
-rw-r--r--meta/recipes-devtools/qemu/qemu_0.14.0.bb3
2 files changed, 32 insertions, 1 deletions
diff --git a/meta/recipes-devtools/qemu/qemu-0.14.0/arm-bgr.patch b/meta/recipes-devtools/qemu/qemu-0.14.0/arm-bgr.patch
new file mode 100644
index 0000000000..3b460d04ce
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu-0.14.0/arm-bgr.patch
@@ -0,0 +1,30 @@
+After kernel commit:
+
+http://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto-3.0/commit/?h=meta&id=9728c1b6a724daefc413b44e10253cdbb5e06d08
+
+It appears that the emulated colours in qemu are incorrect and that
+the red and blue channels are reversed. This patch reverses that logic
+so the colours are correctly displayed on the versatile platform which
+doesn't support the BGR bit.
+
+RP 16/9/2011
+
+Upstream-status: Pending
+
+Index: qemu-0.14.0/hw/pl110.c
+===================================================================
+--- qemu-0.14.0.orig/hw/pl110.c 2011-09-16 14:45:34.228668514 +0100
++++ qemu-0.14.0/hw/pl110.c 2011-09-16 15:17:22.458671206 +0100
+@@ -141,7 +141,11 @@
+ fprintf(stderr, "pl110: Bad color depth\n");
+ exit(1);
+ }
+- if (s->cr & PL110_CR_BGR)
++
++ if (s->versatile && s->bpp == BPP_16)
++ /* Code assumes BPP_16 == 565 and BGR is never set on the versatile in 565 mode */
++ bpp_offset = 0;
++ else if (s->cr & PL110_CR_BGR)
+ bpp_offset = 0;
+ else
+ bpp_offset = 18;
diff --git a/meta/recipes-devtools/qemu/qemu_0.14.0.bb b/meta/recipes-devtools/qemu/qemu_0.14.0.bb
index 055321ec3e..03519ad7d4 100644
--- a/meta/recipes-devtools/qemu/qemu_0.14.0.bb
+++ b/meta/recipes-devtools/qemu/qemu_0.14.0.bb
@@ -3,7 +3,7 @@ require qemu.inc
LIC_FILES_CHKSUM = "file://COPYING;md5=441c28d2cf86e15a37fa47e15a72fbac \
file://COPYING.LIB;endline=24;md5=c04def7ae38850e7d3ef548588159913"
-PR = "r2"
+PR = "r3"
FILESPATH = "${FILE_DIRNAME}/qemu-${PV}"
FILESDIR = "${WORKDIR}"
@@ -19,6 +19,7 @@ SRC_URI = "\
file://spice-qxl-locking-fix-for-qemu-kvm.patch \
file://Detect-and-use-GCC-atomic-builtins-for-locking.patch \
file://larger_default_ram_size.patch \
+ file://arm-bgr.patch \
"
# Only use the GL passthrough patches for native/nativesdk versions