diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core/firmware.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/firmware.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/firmware.c b/drivers/gpu/drm/nouveau/nvkm/core/firmware.c index 141b0a513bf5..adc60b25f8e6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/firmware.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/firmware.c @@ -205,9 +205,7 @@ nvkm_firmware_dtor(struct nvkm_firmware *fw) break; case NVKM_FIRMWARE_IMG_DMA: nvkm_memory_unref(&memory); - dma_unmap_single(fw->device->dev, fw->phys, sg_dma_len(&fw->mem.sgl), - DMA_TO_DEVICE); - kfree(fw->img); + dma_free_coherent(fw->device->dev, sg_dma_len(&fw->mem.sgl), fw->img, fw->phys); break; case NVKM_FIRMWARE_IMG_SGT: nvkm_memory_unref(&memory); @@ -237,17 +235,14 @@ nvkm_firmware_ctor(const struct nvkm_firmware_func *func, const char *name, fw->img = kmemdup(src, fw->len, GFP_KERNEL); break; case NVKM_FIRMWARE_IMG_DMA: { - len = ALIGN(fw->len, PAGE_SIZE); + dma_addr_t addr; - fw->img = kmalloc(len, GFP_KERNEL); - if (!fw->img) - return -ENOMEM; + len = ALIGN(fw->len, PAGE_SIZE); - memcpy(fw->img, src, fw->len); - fw->phys = dma_map_single(fw->device->dev, fw->img, len, DMA_TO_DEVICE); - if (dma_mapping_error(fw->device->dev, fw->phys)) { - kfree(fw->img); - return -EFAULT; + fw->img = dma_alloc_coherent(fw->device->dev, len, &addr, GFP_KERNEL); + if (fw->img) { + memcpy(fw->img, src, fw->len); + fw->phys = addr; } sg_init_one(&fw->mem.sgl, fw->img, len); |