Commit a38622c4 authored by Otavio Salvador's avatar Otavio Salvador

libdrm: Add fix to avoid GPU freeze

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: default avatarLauren Post <lauren.post@freescale.com>
Signed-off-by: default avatarEvan Kotara <evan.kotara@freescale.com>
Signed-off-by: default avatarOtavio Salvador <otavio@ossystems.com.br>
parent 13c91f33
Add ARM support into xf86arm.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@freescale.com>
Signed-off-by: Evan Kotara <evan.kotara@freescale.com>
diff --git a/xf86drm.h b/xf86drm.h
--- a/xf86drm.h
+++ b/xf86drm.h
@@ -455,6 +455,22 @@ 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" \
+ " movne %0, #1\n" \
+ : "=&r" (__ret) \
+ : "r" (lock), "r" (old), "r" (new) \
+ : "cc","memory"); \
+ } while (0)
+
#endif /* architecture */
#endif /* __GNUC__ >= 2 */
FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
SRC_URI_append_mx6 = "file://drm-update-arm.patch"
PACKAGE_ARCH_mx6 = "${MACHINE_ARCH}"
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