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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 5e068ee..b4f52fd 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/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;
 

diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 37e2c0d..5d8e709 100644 (file)
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/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 */