drm/amdgpu: apply top reserved VA space to pre Vega10 as well

Reserve VA space at the top for older generations as well.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

4 files changed, 7 insertions, 4 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index a99aff747cc2..f828096114c3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -580,11 +580,11 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
                         dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
 
                 vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
+                vm_size -= AMDGPU_VA_RESERVED_SIZE;
                 dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
                 dev_info.virtual_address_max =
                         min(vm_size, AMDGPU_VA_HOLE_START);
 
-                vm_size -= AMDGPU_VA_RESERVED_SIZE;
                 if (vm_size > AMDGPU_VA_HOLE_START) {
                         dev_info.high_va_offset = AMDGPU_VA_HOLE_END;
                         dev_info.high_va_max = AMDGPU_VA_HOLE_END | vm_size;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
index b99c5cfc0564..1945fe842188 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -469,7 +469,8 @@ static void gmc_v6_0_set_prt(struct amdgpu_device *adev, bool enable)
 
         if (enable) {
                 uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT;
-                uint32_t high = adev->vm_manager.max_pfn;
+                uint32_t high = adev->vm_manager.max_pfn -
+                        (AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT);
 
                 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low);
                 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 1137f395ed66..761def04f93f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -562,7 +562,8 @@ static void gmc_v7_0_set_prt(struct amdgpu_device *adev, bool enable)
 
         if (enable) {
                 uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT;
-                uint32_t high = adev->vm_manager.max_pfn;
+                uint32_t high = adev->vm_manager.max_pfn -
+                        (AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT);
 
                 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low);
                 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index ce1819612d63..2489be7ad62b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -762,7 +762,8 @@ static void gmc_v8_0_set_prt(struct amdgpu_device *adev, bool enable)
 
         if (enable) {
                 uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT;
-                uint32_t high = adev->vm_manager.max_pfn;
+                uint32_t high = adev->vm_manager.max_pfn -
+                        (AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT);
 
                 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low);
                 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low);