msm_kgsl: Implement the old version of the KGSL_SHAREDMEM_FROM_PMEM ioctl.

include/linux/msm_kgsl.h

 /* Copyright (c) 2002,2007-2009, Code Aurora Forum. All rights reserved.
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@@ skipping 215 matching lines @@
 struct kgsl_sharedmem_from_pmem {
         int pmem_fd;
         unsigned int gpuaddr;   /*output param */
         unsigned int len;
         unsigned int offset;
 };
 
 #define IOCTL_KGSL_SHAREDMEM_FROM_PMEM \
         _IOWR(KGSL_IOC_TYPE, 0x20, struct kgsl_sharedmem_from_pmem)
 
+/* Support the old SHAREDMEM_FROM_PMEM ioctl. */
+struct kgsl_sharedmem_from_pmem_old {
+        int pmem_fd;
+        unsigned int gpuaddr;   /*output param */
+};
+
+#define IOCTL_KGSL_SHAREDMEM_FROM_PMEM_OLD \
+        _IOWR(KGSL_IOC_TYPE, 0x20, struct kgsl_sharedmem_from_pmem_old)
+
 /* remove memory from the GPU's address space */
 struct kgsl_sharedmem_free {
         unsigned int gpuaddr;
 };
 
 #define IOCTL_KGSL_SHAREDMEM_FREE \
         _IOW(KGSL_IOC_TYPE, 0x21, struct kgsl_sharedmem_free)
 
 
 struct kgsl_gmem_desc {
@@ skipping 50 matching lines @@
 
 #ifdef __KERNEL__
 #ifdef CONFIG_MSM_KGSL_DRM
 int kgsl_gem_obj_addr(int drm_fd, int handle, unsigned long *start,
                         unsigned long *len);
 #else
 #define kgsl_gem_obj_addr(...) 0
 #endif
 #endif
 #endif /* _MSM_KGSL_H */