[meta-freescale] [PATCH v2 01/14] libdrm: Extend ARM support to mx7
Tom Hochstein
tom.hochstein at nxp.com
Wed Nov 15 13:02:10 PST 2017
Apply the same xf86drm.h change made for mx6 to mx7.
The recipe is already extended by using imxgpu2d as filter.
Signed-off-by: Tom Hochstein <tom.hochstein at nxp.com>
---
.../drm/libdrm/mx7/drm-update-arm.patch | 35 ++++++++++++++++++++++
1 file changed, 35 insertions(+)
create mode 100644 recipes-graphics/drm/libdrm/mx7/drm-update-arm.patch
diff --git a/recipes-graphics/drm/libdrm/mx7/drm-update-arm.patch b/recipes-graphics/drm/libdrm/mx7/drm-update-arm.patch
new file mode 100644
index 0000000..1160cd1
--- /dev/null
+++ b/recipes-graphics/drm/libdrm/mx7/drm-update-arm.patch
@@ -0,0 +1,35 @@
+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 at freescale.com>
+Signed-off-by: Evan Kotara <evan.kotara at 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 */
+
--
1.9.1
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