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drm/radeon: add define for flags used in R600+ GTT 

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2014-05-27 16:47:37 +02:00 committed by Alex Deucher
parent 1aab5514ca
commit 0e97703c5c
2 changed files with 5 additions and 8 deletions
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4
drivers/gpu/drm/radeon/radeon.h
View File

@ -855,6 +855,10 @@ struct radeon_mec {
#define R600_PTE_FRAG_64KB (4 << 7)
#define R600_PTE_FRAG_256KB (6 << 7)
/* flags used for GART page table entries on R600+ */
#define R600_PTE_GART ( R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED \
| R600_PTE_READABLE | R600_PTE_WRITEABLE)
struct radeon_vm_pt {
struct radeon_bo *bo;
uint64_t addr;

9
drivers/gpu/drm/radeon/rs600.c
View File

@ -626,12 +626,6 @@ static void rs600_gart_fini(struct radeon_device *rdev)
radeon_gart_table_vram_free(rdev);
}
#define R600_PTE_VALID (1 << 0)
#define R600_PTE_SYSTEM (1 << 1)
#define R600_PTE_SNOOPED (1 << 2)
#define R600_PTE_READABLE (1 << 5)
#define R600_PTE_WRITEABLE (1 << 6)
int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
{
void __iomem *ptr = (void *)rdev->gart.ptr;
@ -640,8 +634,7 @@ int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
return -EINVAL;
}
addr = addr & 0xFFFFFFFFFFFFF000ULL;
addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
addr |= R600_PTE_GART;
writeq(addr, ptr + (i * 8));
return 0;
}