drm/amdgpu: Add MTYPE flags to GPU VM IOCTL interface

Signed-off-by: Alex Xie <AlexBin.Xie@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c

@@ -558,7 +558,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
 {
 	const uint32_t valid_flags = AMDGPU_VM_DELAY_UPDATE |
 		AMDGPU_VM_PAGE_READABLE | AMDGPU_VM_PAGE_WRITEABLE |
-		AMDGPU_VM_PAGE_EXECUTABLE;
+		AMDGPU_VM_PAGE_EXECUTABLE | AMDGPU_VM_MTYPE_MASK;
 	const uint32_t prt_flags = AMDGPU_VM_DELAY_UPDATE |
 		AMDGPU_VM_PAGE_PRT;
 

include/uapi/drm/amdgpu_drm.h

@@ -365,6 +365,18 @@ struct drm_amdgpu_gem_op {
 #define AMDGPU_VM_PAGE_EXECUTABLE	(1 << 3)
 /* partially resident texture */
 #define AMDGPU_VM_PAGE_PRT		(1 << 4)
+/* MTYPE flags use bit 5 to 8 */
+#define AMDGPU_VM_MTYPE_MASK		(0xf << 5)
+/* Default MTYPE. Pre-AI must use this.  Recommended for newer ASICs. */
+#define AMDGPU_VM_MTYPE_DEFAULT		(0 << 5)
+/* Use NC MTYPE instead of default MTYPE */
+#define AMDGPU_VM_MTYPE_NC		(1 << 5)
+/* Use WC MTYPE instead of default MTYPE */
+#define AMDGPU_VM_MTYPE_WC		(2 << 5)
+/* Use CC MTYPE instead of default MTYPE */
+#define AMDGPU_VM_MTYPE_CC		(3 << 5)
+/* Use UC MTYPE instead of default MTYPE */
+#define AMDGPU_VM_MTYPE_UC		(4 << 5)
 
 struct drm_amdgpu_gem_va {
 	/** GEM object handle */