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path: root/drivers/gpu/drm/radeon/radeon_gart.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_gart.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_gart.c71
1 files changed, 43 insertions, 28 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index fdc3a9a54bf8..ba7ab79e12c1 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -49,27 +49,27 @@ int radeon_gart_table_ram_alloc(struct radeon_device *rdev)
rdev->gart.table_size >> PAGE_SHIFT);
}
#endif
- rdev->gart.table.ram.ptr = ptr;
- memset((void *)rdev->gart.table.ram.ptr, 0, rdev->gart.table_size);
+ rdev->gart.ptr = ptr;
+ memset((void *)rdev->gart.ptr, 0, rdev->gart.table_size);
return 0;
}
void radeon_gart_table_ram_free(struct radeon_device *rdev)
{
- if (rdev->gart.table.ram.ptr == NULL) {
+ if (rdev->gart.ptr == NULL) {
return;
}
#ifdef CONFIG_X86
if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480 ||
rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) {
- set_memory_wb((unsigned long)rdev->gart.table.ram.ptr,
+ set_memory_wb((unsigned long)rdev->gart.ptr,
rdev->gart.table_size >> PAGE_SHIFT);
}
#endif
pci_free_consistent(rdev->pdev, rdev->gart.table_size,
- (void *)rdev->gart.table.ram.ptr,
+ (void *)rdev->gart.ptr,
rdev->gart.table_addr);
- rdev->gart.table.ram.ptr = NULL;
+ rdev->gart.ptr = NULL;
rdev->gart.table_addr = 0;
}
@@ -77,10 +77,10 @@ int radeon_gart_table_vram_alloc(struct radeon_device *rdev)
{
int r;
- if (rdev->gart.table.vram.robj == NULL) {
+ if (rdev->gart.robj == NULL) {
r = radeon_bo_create(rdev, rdev->gart.table_size,
PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
- &rdev->gart.table.vram.robj);
+ &rdev->gart.robj);
if (r) {
return r;
}
@@ -93,38 +93,46 @@ int radeon_gart_table_vram_pin(struct radeon_device *rdev)
uint64_t gpu_addr;
int r;
- r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
+ r = radeon_bo_reserve(rdev->gart.robj, false);
if (unlikely(r != 0))
return r;
- r = radeon_bo_pin(rdev->gart.table.vram.robj,
+ r = radeon_bo_pin(rdev->gart.robj,
RADEON_GEM_DOMAIN_VRAM, &gpu_addr);
if (r) {
- radeon_bo_unreserve(rdev->gart.table.vram.robj);
+ radeon_bo_unreserve(rdev->gart.robj);
return r;
}
- r = radeon_bo_kmap(rdev->gart.table.vram.robj,
- (void **)&rdev->gart.table.vram.ptr);
+ r = radeon_bo_kmap(rdev->gart.robj, &rdev->gart.ptr);
if (r)
- radeon_bo_unpin(rdev->gart.table.vram.robj);
- radeon_bo_unreserve(rdev->gart.table.vram.robj);
+ radeon_bo_unpin(rdev->gart.robj);
+ radeon_bo_unreserve(rdev->gart.robj);
rdev->gart.table_addr = gpu_addr;
return r;
}
-void radeon_gart_table_vram_free(struct radeon_device *rdev)
+void radeon_gart_table_vram_unpin(struct radeon_device *rdev)
{
int r;
- if (rdev->gart.table.vram.robj == NULL) {
+ if (rdev->gart.robj == NULL) {
return;
}
- r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
+ r = radeon_bo_reserve(rdev->gart.robj, false);
if (likely(r == 0)) {
- radeon_bo_kunmap(rdev->gart.table.vram.robj);
- radeon_bo_unpin(rdev->gart.table.vram.robj);
- radeon_bo_unreserve(rdev->gart.table.vram.robj);
+ radeon_bo_kunmap(rdev->gart.robj);
+ radeon_bo_unpin(rdev->gart.robj);
+ radeon_bo_unreserve(rdev->gart.robj);
+ rdev->gart.ptr = NULL;
}
- radeon_bo_unref(&rdev->gart.table.vram.robj);
+}
+
+void radeon_gart_table_vram_free(struct radeon_device *rdev)
+{
+ if (rdev->gart.robj == NULL) {
+ return;
+ }
+ radeon_gart_table_vram_unpin(rdev);
+ radeon_bo_unref(&rdev->gart.robj);
}
@@ -151,12 +159,14 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
if (rdev->gart.pages[p]) {
if (!rdev->gart.ttm_alloced[p])
pci_unmap_page(rdev->pdev, rdev->gart.pages_addr[p],
- PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
+ PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
rdev->gart.pages[p] = NULL;
rdev->gart.pages_addr[p] = rdev->dummy_page.addr;
page_base = rdev->gart.pages_addr[p];
for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
- radeon_gart_set_page(rdev, t, page_base);
+ if (rdev->gart.ptr) {
+ radeon_gart_set_page(rdev, t, page_base);
+ }
page_base += RADEON_GPU_PAGE_SIZE;
}
}
@@ -199,10 +209,12 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
}
}
rdev->gart.pages[p] = pagelist[i];
- page_base = rdev->gart.pages_addr[p];
- for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
- radeon_gart_set_page(rdev, t, page_base);
- page_base += RADEON_GPU_PAGE_SIZE;
+ if (rdev->gart.ptr) {
+ page_base = rdev->gart.pages_addr[p];
+ for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
+ radeon_gart_set_page(rdev, t, page_base);
+ page_base += RADEON_GPU_PAGE_SIZE;
+ }
}
}
mb();
@@ -215,6 +227,9 @@ void radeon_gart_restore(struct radeon_device *rdev)
int i, j, t;
u64 page_base;
+ if (!rdev->gart.ptr) {
+ return;
+ }
for (i = 0, t = 0; i < rdev->gart.num_cpu_pages; i++) {
page_base = rdev->gart.pages_addr[i];
for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {