Commit b3472020 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau: use nvif_mmu_type to determine BAR1 caching 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 658c71f4

drivers/gpu/drm/nouveau/include/nvif/device.h

+0 −1
Original line number Diff line number Diff line
@@ -58,7 +58,6 @@ u64 nvif_device_time(struct nvif_device *); 
#define nvxx_bios(a) nvxx_device(a)->bios

#define nvxx_fb(a) nvxx_device(a)->fb

#define nvxx_mmu(a) nvxx_device(a)->mmu

#define nvxx_bar(a) nvxx_device(a)->bar

#define nvxx_gpio(a) nvxx_device(a)->gpio

#define nvxx_clk(a) nvxx_device(a)->clk

#define nvxx_i2c(a) nvxx_device(a)->i2c

drivers/gpu/drm/nouveau/nouveau_bo.c

+3 −1
Original line number Diff line number Diff line
@@ -589,6 +589,7 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, 
			 struct ttm_mem_type_manager *man)

{

	struct nouveau_drm *drm = nouveau_bdev(bdev);

	struct nvif_mmu *mmu = &drm->client.mmu;



	switch (type) {

	case TTM_PL_SYSTEM:
@@ -605,7 +606,8 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, 


		if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {

			/* Some BARs do not support being ioremapped WC */

			if (nvxx_bar(&drm->client.device)->iomap_uncached) {

			const u8 type = mmu->type[drm->ttm.type_vram].type;

			if (type & NVIF_MEM_UNCACHED) {

				man->available_caching = TTM_PL_FLAG_UNCACHED;

				man->default_caching = TTM_PL_FLAG_UNCACHED;

			}