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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-02-04 06:19:37 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-02-04 06:19:37 -0800
commited5551279c9100aff6adf337d809057a7532b6f7 (patch)
tree32835b919718c82f7a414041d7951971733c2dfe /drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
parentf1a27f081c1fa1eeebf38406e45f29636114470f (diff)
parent54be6c6c5ae8e0d93a6c4641cb7528eb0b6ba478 (diff)
downloadlwn-ed5551279c9100aff6adf337d809057a7532b6f7.tar.gz
lwn-ed5551279c9100aff6adf337d809057a7532b6f7.zip
Merge 6.8-rc3 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index 73b8cca35bab..c623e23049d1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -121,6 +121,7 @@ int amdgpu_gart_table_ram_alloc(struct amdgpu_device *adev)
struct amdgpu_bo_param bp;
dma_addr_t dma_addr;
struct page *p;
+ unsigned long x;
int ret;
if (adev->gart.bo != NULL)
@@ -130,6 +131,10 @@ int amdgpu_gart_table_ram_alloc(struct amdgpu_device *adev)
if (!p)
return -ENOMEM;
+ /* assign pages to this device */
+ for (x = 0; x < (1UL << order); x++)
+ p[x].mapping = adev->mman.bdev.dev_mapping;
+
/* If the hardware does not support UTCL2 snooping of the CPU caches
* then set_memory_wc() could be used as a workaround to mark the pages
* as write combine memory.
@@ -223,6 +228,7 @@ void amdgpu_gart_table_ram_free(struct amdgpu_device *adev)
unsigned int order = get_order(adev->gart.table_size);
struct sg_table *sg = adev->gart.bo->tbo.sg;
struct page *p;
+ unsigned long x;
int ret;
ret = amdgpu_bo_reserve(adev->gart.bo, false);
@@ -234,6 +240,8 @@ void amdgpu_gart_table_ram_free(struct amdgpu_device *adev)
sg_free_table(sg);
kfree(sg);
p = virt_to_page(adev->gart.ptr);
+ for (x = 0; x < (1UL << order); x++)
+ p[x].mapping = NULL;
__free_pages(p, order);
adev->gart.ptr = NULL;