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authorJiri Kosina <jkosina@suse.com>2024-03-13 23:17:33 +0300
committerJiri Kosina <jkosina@suse.com>2024-03-13 23:17:33 +0300
commit2e21dee6a46a66e4c2ced778485e1044101edee4 (patch)
treeb9a9565cf9e3954ad316c343715b43b401c51074 /drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
parent9a5b1521e2d0d7ace70c6e5eed073babcec91409 (diff)
parent90184f90c9ac559062a04aca72e5d05730164de0 (diff)
downloadlinux-2e21dee6a46a66e4c2ced778485e1044101edee4.tar.xz
Merge branch 'for-6.9/amd-sfh' into for-linus
- assorted fixes and optimizations for amd-sfh (Basavaraj Natikar) Signed-off-by: Jiri Kosina <jkosina@suse.com>
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;