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authorOlof Johansson <olof@lixom.net>2016-11-18 04:46:45 +0300
committerOlof Johansson <olof@lixom.net>2016-11-18 04:46:45 +0300
commita23ea95789eedb0c386a26f02ea5483bae38b67b (patch)
tree7d2f20bc3e59941c3683046a8c5a87c3683338c7 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
parentcb7f3a3e11c6e914d03146ff69c39d3e52651cd6 (diff)
parenta909d3e636995ba7c349e2ca5dbb528154d4ac30 (diff)
downloadlinux-a23ea95789eedb0c386a26f02ea5483bae38b67b.tar.xz
Merge tag 'v4.9-rc3' into next/dt64
Linux 4.9-rc3 * tag 'v4.9-rc3': (292 commits) Linux 4.9-rc3 x86/smpboot: Init apic mapping before usage ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region() ACPICA: Dispatcher: Fix an unbalanced lock exit path in acpi_ds_auto_serialize_method() ACPICA: Dispatcher: Fix order issue of method termination ARC: module: print pretty section names ARC: module: elide loop to save reference to .eh_frame ARC: mm: retire ARC_DBG_TLB_MISS_COUNT... ARC: build: retire old toggles ARC: boot log: refactor cpu name/release printing ARC: boot log: remove awkward space comma from MMU line ARC: boot log: don't assume SWAPE instruction support ARC: boot log: refactor printing abt features not captured in BCRs ARCv2: boot log: print IOC exists as well as enabled status ubifs: Fix regression in ubifs_readdir() ubi: fastmap: Fix add_vol() return value test in ubi_attach_fastmap() MAINTAINERS: Add entry for genwqe driver VMCI: Doorbell create and destroy fixes GenWQE: Fix bad page access during abort of resource allocation vme: vme_get_size potentially returning incorrect value on failure ...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index aa074fac0c7f..f3efb1c5dae9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -754,6 +754,10 @@ static const char *amdgpu_vram_names[] = {
int amdgpu_bo_init(struct amdgpu_device *adev)
{
+ /* reserve PAT memory space to WC for VRAM */
+ arch_io_reserve_memtype_wc(adev->mc.aper_base,
+ adev->mc.aper_size);
+
/* Add an MTRR for the VRAM */
adev->mc.vram_mtrr = arch_phys_wc_add(adev->mc.aper_base,
adev->mc.aper_size);
@@ -769,6 +773,7 @@ void amdgpu_bo_fini(struct amdgpu_device *adev)
{
amdgpu_ttm_fini(adev);
arch_phys_wc_del(adev->mc.vram_mtrr);
+ arch_io_free_memtype_wc(adev->mc.aper_base, adev->mc.aper_size);
}
int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,