drm/amdkfd: Contain MMHUB number in mmhub_v9_4_setup_vm_pt_regs()

Adjust the exposed function prototype so that the caller does not need
to know the MMHUB number.
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c

@@ -40,7 +40,7 @@
 #include "soc15d.h"
 #include "mmhub_v1_0.h"
 #include "gfxhub_v1_0.h"
-#include "gmc_v9_0.h"
+#include "mmhub_v9_4.h"
 
 
 enum hqd_dequeue_request_type {
@@ -774,9 +774,7 @@ void kgd_gfx_v9_set_vm_context_page_table_base(struct kgd_dev *kgd, uint32_t vmi
 	 * on GFX8 and older.
 	 */
 	if (adev->asic_type == CHIP_ARCTURUS) {
-		/* Two MMHUBs */
-		mmhub_v9_4_setup_vm_pt_regs(adev, 0, vmid, page_table_base);
-		mmhub_v9_4_setup_vm_pt_regs(adev, 1, vmid, page_table_base);
+		mmhub_v9_4_setup_vm_pt_regs(adev, vmid, page_table_base);
 	} else
 		mmhub_v1_0_setup_vm_pt_regs(adev, vmid, page_table_base);
 

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.h

@@ -36,12 +36,4 @@
 
 extern const struct amd_ip_funcs gmc_v9_0_ip_funcs;
 extern const struct amdgpu_ip_block_version gmc_v9_0_ip_block;
-
-/* amdgpu_amdkfd*.c */
-void gfxhub_v1_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
-				uint64_t value);
-void mmhub_v1_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
-				uint64_t value);
-void mmhub_v9_4_setup_vm_pt_regs(struct amdgpu_device *adev, int hubid,
-				uint32_t vmid, uint64_t value);
 #endif

drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c

@@ -54,7 +54,7 @@ u64 mmhub_v9_4_get_fb_location(struct amdgpu_device *adev)
 	return base;
 }
 
-void mmhub_v9_4_setup_vm_pt_regs(struct amdgpu_device *adev, int hubid,
+static void mmhub_v9_4_setup_hubid_vm_pt_regs(struct amdgpu_device *adev, int hubid,
 				uint32_t vmid, uint64_t value)
 {
 	/* two registers distance between mmVML2VC0_VM_CONTEXT0_* to
@@ -80,7 +80,7 @@ static void mmhub_v9_4_init_gart_aperture_regs(struct amdgpu_device *adev,
 {
 	uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
 
-	mmhub_v9_4_setup_vm_pt_regs(adev, hubid, 0, pt_base);
+	mmhub_v9_4_setup_hubid_vm_pt_regs(adev, hubid, 0, pt_base);
 
 	WREG32_SOC15_OFFSET(MMHUB, 0,
 			    mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
@@ -101,6 +101,16 @@ static void mmhub_v9_4_init_gart_aperture_regs(struct amdgpu_device *adev,
 			    (u32)(adev->gmc.gart_end >> 44));
 }
 
+void mmhub_v9_4_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
+				uint64_t page_table_base)
+{
+	int i;
+
+	for (i = 0; i < MMHUB_NUM_INSTANCES; i++)
+		mmhub_v9_4_setup_hubid_vm_pt_regs(adev, i, vmid,
+				page_table_base);
+}
+
 static void mmhub_v9_4_init_system_aperture_regs(struct amdgpu_device *adev,
 					         int hubid)
 {

drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.h

@@ -34,5 +34,7 @@ void mmhub_v9_4_init(struct amdgpu_device *adev);
 int mmhub_v9_4_set_clockgating(struct amdgpu_device *adev,
 			       enum amd_clockgating_state state);
 void mmhub_v9_4_get_clockgating(struct amdgpu_device *adev, u32 *flags);
+void mmhub_v9_4_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
+				uint64_t page_table_base);
 
 #endif