disp: msm: adapt msm_gem ops and drm_drver callbacks for multiple SIs

Commit d1d1173 ("disp: msm: update msm_gem ops and remove unused
drm_driver callbacks") Update msm_gem and msm_drv to comply with
latest 5.15 kernel.Modify dma_buf_vmap() and dma-buf's vmap callback
to use truct dma_buf_map. Rename dma_resv_get_excl_rcu to _unlocked.
Remove deprecated GEM and PRIME callbacks.
This change adapts all the interface change for kernel version 5.10
and version 5.15..

Change-Id: Icb495dc4e5d20999f773ed5881eff233ff3a48bc
Signed-off-by: Bruce Hoo <bingchua@codeaurora.org>

msm/msm_drv.c

@@ -46,6 +46,7 @@
 #include <drm/drm_drv.h>
 #include <drm/drm_auth.h>
 #include <drm/drm_probe_helper.h>
+#include <linux/version.h>
 
 #include "msm_drv.h"
 #include "msm_gem.h"
@@ -1715,6 +1716,14 @@ static const struct drm_ioctl_desc msm_ioctls[] = {
 			DRM_UNLOCKED),
 };
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 15, 0))
+static const struct vm_operations_struct vm_ops = {
+	.fault = msm_gem_fault,
+	.open = drm_gem_vm_open,
+	.close = drm_gem_vm_close,
+};
+#endif
+
 static const struct file_operations fops = {
 	.owner              = THIS_MODULE,
 	.open               = drm_open,
@@ -1735,6 +1744,16 @@ static struct drm_driver msm_driver = {
 	.open               = msm_open,
 	.postclose          = msm_postclose,
 	.lastclose          = msm_lastclose,
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 15, 0))
+	.gem_free_object_unlocked    = msm_gem_free_object,
+	.gem_vm_ops         = &vm_ops,
+	.gem_prime_export   = drm_gem_prime_export,
+	.gem_prime_pin      = msm_gem_prime_pin,
+	.gem_prime_unpin    = msm_gem_prime_unpin,
+	.gem_prime_get_sg_table = msm_gem_prime_get_sg_table,
+	.gem_prime_vmap     = msm_gem_prime_vmap,
+	.gem_prime_vunmap   = msm_gem_prime_vunmap,
+#endif
 	.dumb_create        = msm_gem_dumb_create,
 	.dumb_map_offset    = msm_gem_dumb_map_offset,
 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,