diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_gart.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_gart.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index 2977539880f..a68d7566178 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -75,7 +75,6 @@ void radeon_gart_table_ram_free(struct radeon_device *rdev) int radeon_gart_table_vram_alloc(struct radeon_device *rdev) { - uint64_t gpu_addr; int r; if (rdev->gart.table.vram.robj == NULL) { @@ -88,6 +87,14 @@ int radeon_gart_table_vram_alloc(struct radeon_device *rdev) return r; } } + return 0; +} + +int radeon_gart_table_vram_pin(struct radeon_device *rdev) +{ + uint64_t gpu_addr; + int r; + r = radeon_object_pin(rdev->gart.table.vram.robj, RADEON_GEM_DOMAIN_VRAM, &gpu_addr); if (r) { @@ -133,15 +140,15 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset, WARN(1, "trying to unbind memory to unitialized GART !\n"); return; } - t = offset / 4096; - p = t / (PAGE_SIZE / 4096); + t = offset / RADEON_GPU_PAGE_SIZE; + p = t / (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); for (i = 0; i < pages; i++, p++) { if (rdev->gart.pages[p]) { pci_unmap_page(rdev->pdev, rdev->gart.pages_addr[p], PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); rdev->gart.pages[p] = NULL; rdev->gart.pages_addr[p] = 0; - for (j = 0; j < (PAGE_SIZE / 4096); j++, t++) { + for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) { radeon_gart_set_page(rdev, t, 0); } } @@ -162,8 +169,8 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset, DRM_ERROR("trying to bind memory to unitialized GART !\n"); return -EINVAL; } - t = offset / 4096; - p = t / (PAGE_SIZE / 4096); + t = offset / RADEON_GPU_PAGE_SIZE; + p = t / (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); for (i = 0; i < pages; i++, p++) { /* we need to support large memory configurations */ @@ -178,9 +185,9 @@ 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 / 4096); j++, t++) { + for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) { radeon_gart_set_page(rdev, t, page_base); - page_base += 4096; + page_base += RADEON_GPU_PAGE_SIZE; } } mb(); @@ -193,14 +200,14 @@ int radeon_gart_init(struct radeon_device *rdev) if (rdev->gart.pages) { return 0; } - /* We need PAGE_SIZE >= 4096 */ - if (PAGE_SIZE < 4096) { + /* We need PAGE_SIZE >= RADEON_GPU_PAGE_SIZE */ + if (PAGE_SIZE < RADEON_GPU_PAGE_SIZE) { DRM_ERROR("Page size is smaller than GPU page size!\n"); return -EINVAL; } /* Compute table size */ rdev->gart.num_cpu_pages = rdev->mc.gtt_size / PAGE_SIZE; - rdev->gart.num_gpu_pages = rdev->mc.gtt_size / 4096; + rdev->gart.num_gpu_pages = rdev->mc.gtt_size / RADEON_GPU_PAGE_SIZE; DRM_INFO("GART: num cpu pages %u, num gpu pages %u\n", rdev->gart.num_cpu_pages, rdev->gart.num_gpu_pages); /* Allocate pages table */ |