[meta-freescale] [meta-fsl-arm PATCH 11/11] libdrm: Add fix to avoid GPU freeze
Otavio Salvador
otavio at ossystems.com.br
Sat Aug 24 10:44:24 PDT 2013
Add ARM support into xf86drm.h. This provides support for Xorg
interface. Without this the vivante samples will hang during close
requiring a reboot
Change-Id: I60ea3c87c35fadaa00c64baffd24f74f41dfbb9b
Signed-off-by: Lauren Post <lauren.post at freescale.com>
Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
---
.../drm/libdrm/mx6/drm-update-arm.patch | 32 ++++++++++++++++++++++
recipes-graphics/drm/libdrm_2.4.46.bbappend | 5 ++++
2 files changed, 37 insertions(+)
create mode 100644 recipes-graphics/drm/libdrm/mx6/drm-update-arm.patch
create mode 100644 recipes-graphics/drm/libdrm_2.4.46.bbappend
diff --git a/recipes-graphics/drm/libdrm/mx6/drm-update-arm.patch b/recipes-graphics/drm/libdrm/mx6/drm-update-arm.patch
new file mode 100644
index 0000000..bb0eac9
--- /dev/null
+++ b/recipes-graphics/drm/libdrm/mx6/drm-update-arm.patch
@@ -0,0 +1,32 @@
+Add ARM support into xf86drm.h. This provides support for Xorg interface.
+Without this the vivante samples will hang during close requiring a reboot
+
+Upstream-Status: Pending
+
+Signed-off-by: Lauren Post <lauren.post at freescale.com>
+
+diff --git a/xf86drm.h b/xf86drm.h
+--- a/xf86drm.h
++++ b/xf86drm.h
+@@ -455,6 +455,21 @@ do { register unsigned int __old __asm("o0"); \
+ : "cr0", "memory"); \
+ } while (0)
+
++#elif defined(__arm__)
++ #undef DRM_DEV_MODE
++ #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
++
++ #define DRM_CAS(lock,old,new,__ret) \
++ do { \
++ __asm__ __volatile__ ( \
++ "1: ldrex %0, [%1]\n" \
++ " teq %0, %2\n" \
++ " strexeq %0, %3, [%1]\n" \
++ : "=&r" (__ret) \
++ : "r" (lock), "r" (old), "r" (new) \
++ : "cc","memory"); \
++ } while (0)
++
+ #endif /* architecture */
+ #endif /* __GNUC__ >= 2 */
+
diff --git a/recipes-graphics/drm/libdrm_2.4.46.bbappend b/recipes-graphics/drm/libdrm_2.4.46.bbappend
new file mode 100644
index 0000000..8c8ea6b
--- /dev/null
+++ b/recipes-graphics/drm/libdrm_2.4.46.bbappend
@@ -0,0 +1,5 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+
+SRC_URI_append_mx6 = "file://drm-update-arm.patch"
+
+PACKAGE_ARCH_mx6 = "${MACHINE_ARCH}"
--
1.8.4.rc1
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