diff options
| author | Jérôme Pouiller <jezz@sysmic.org> | 2014-12-09 14:46:46 +0100 |
|---|---|---|
| committer | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2014-12-27 21:48:06 +0100 |
| commit | 94841d87fd2ff8ebf7af84d49e5095074958febf (patch) | |
| tree | d704a227415d0cafa91a98b77befeb5e055d0d25 | |
| parent | 8ec52d57ecdb09ef8330eaf4e84efd41fa5a2fcf (diff) | |
libdrm: fix support for xserver with Vivante drivers
[Thomas: fix minor typo in patch description.]
Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
| -rw-r--r-- | package/libdrm/0001-update-arm.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/package/libdrm/0001-update-arm.patch b/package/libdrm/0001-update-arm.patch new file mode 100644 index 000000000..1a95a14ba --- /dev/null +++ b/package/libdrm/0001-update-arm.patch @@ -0,0 +1,37 @@ +[Adapted from yocto project] + +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@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 +@@ -461,6 +461,23 @@ do { register unsigned int __old __asm(" + : "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" \ ++ " ite eq\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 */ + |