summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 27ab4e754b2a..42f97d568059 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -123,6 +123,7 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
case AMDGPU_PL_GWS:
case AMDGPU_PL_OA:
case AMDGPU_PL_DOORBELL:
+ case AMDGPU_PL_MMIO_REMAP:
placement->num_placement = 0;
return;
@@ -447,7 +448,8 @@ bool amdgpu_res_cpu_visible(struct amdgpu_device *adev,
return false;
if (res->mem_type == TTM_PL_SYSTEM || res->mem_type == TTM_PL_TT ||
- res->mem_type == AMDGPU_PL_PREEMPT || res->mem_type == AMDGPU_PL_DOORBELL)
+ res->mem_type == AMDGPU_PL_PREEMPT || res->mem_type == AMDGPU_PL_DOORBELL ||
+ res->mem_type == AMDGPU_PL_MMIO_REMAP)
return true;
if (res->mem_type != TTM_PL_VRAM)
@@ -538,10 +540,12 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict,
old_mem->mem_type == AMDGPU_PL_GWS ||
old_mem->mem_type == AMDGPU_PL_OA ||
old_mem->mem_type == AMDGPU_PL_DOORBELL ||
+ old_mem->mem_type == AMDGPU_PL_MMIO_REMAP ||
new_mem->mem_type == AMDGPU_PL_GDS ||
new_mem->mem_type == AMDGPU_PL_GWS ||
new_mem->mem_type == AMDGPU_PL_OA ||
- new_mem->mem_type == AMDGPU_PL_DOORBELL) {
+ new_mem->mem_type == AMDGPU_PL_DOORBELL ||
+ new_mem->mem_type == AMDGPU_PL_MMIO_REMAP) {
/* Nothing to save here */
amdgpu_bo_move_notify(bo, evict, new_mem);
ttm_bo_move_null(bo, new_mem);
@@ -629,6 +633,12 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev,
mem->bus.is_iomem = true;
mem->bus.caching = ttm_uncached;
break;
+ case AMDGPU_PL_MMIO_REMAP:
+ mem->bus.offset = mem->start << PAGE_SHIFT;
+ mem->bus.offset += adev->rmmio_remap.bus_addr;
+ mem->bus.is_iomem = true;
+ mem->bus.caching = ttm_uncached;
+ break;
default:
return -EINVAL;
}
@@ -646,6 +656,8 @@ static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo,
if (bo->resource->mem_type == AMDGPU_PL_DOORBELL)
return ((uint64_t)(adev->doorbell.base + cursor.start)) >> PAGE_SHIFT;
+ else if (bo->resource->mem_type == AMDGPU_PL_MMIO_REMAP)
+ return ((uint64_t)(adev->rmmio_remap.bus_addr + cursor.start)) >> PAGE_SHIFT;
return (adev->gmc.aper_base + cursor.start) >> PAGE_SHIFT;
}
@@ -1355,7 +1367,8 @@ uint64_t amdgpu_ttm_tt_pde_flags(struct ttm_tt *ttm, struct ttm_resource *mem)
if (mem && (mem->mem_type == TTM_PL_TT ||
mem->mem_type == AMDGPU_PL_DOORBELL ||
- mem->mem_type == AMDGPU_PL_PREEMPT)) {
+ mem->mem_type == AMDGPU_PL_PREEMPT ||
+ mem->mem_type == AMDGPU_PL_MMIO_REMAP)) {
flags |= AMDGPU_PTE_SYSTEM;
if (ttm->caching == ttm_cached)