38 lines
1.3 KiB
Diff
38 lines
1.3 KiB
Diff
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[Adapted from yocto project]
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Add ARM support into xf86drm.h. This provides support for Xorg interface.
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Without this the vivante samples will hang during close requiring a reboot
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Upstream-Status: Pending
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Signed-off-by: Lauren Post <lauren.post@freescale.com>
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Signed-off-by: Evan Kotara <evan.kotara@freescale.com>
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diff --git a/xf86drm.h b/xf86drm.h
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--- a/xf86drm.h
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+++ b/xf86drm.h
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@@ -461,6 +461,23 @@ do { register unsigned int __old __asm("
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: "cr0", "memory"); \
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} while (0)
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+#elif defined(__arm__)
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+ #undef DRM_DEV_MODE
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+ #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
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+
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+ #define DRM_CAS(lock,old,new,__ret) \
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+ do { \
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+ __asm__ __volatile__ ( \
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+ "1: ldrex %0, [%1]\n" \
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+ " teq %0, %2\n" \
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+ " ite eq\n" \
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+ " strexeq %0, %3, [%1]\n" \
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+ " movne %0, #1\n" \
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+ : "=&r" (__ret) \
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+ : "r" (lock), "r" (old), "r" (new) \
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+ : "cc","memory"); \
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+ } while (0)
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+
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#endif /* architecture */
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#endif /* __GNUC__ >= 2 */
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