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path: root/drivers/gpu/drm/radeon/rs400.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/rs400.c')
-rw-r--r--drivers/gpu/drm/radeon/rs400.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index a0f96decece3..c5799f16aa4b 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -109,7 +109,6 @@ int rs400_gart_enable(struct radeon_device *rdev)
uint32_t size_reg;
uint32_t tmp;
- radeon_gart_restore(rdev);
tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
@@ -209,17 +208,24 @@ void rs400_gart_fini(struct radeon_device *rdev)
radeon_gart_table_ram_free(rdev);
}
+#define RS400_PTE_UNSNOOPED (1 << 0)
#define RS400_PTE_WRITEABLE (1 << 2)
#define RS400_PTE_READABLE (1 << 3)
-void rs400_gart_set_page(struct radeon_device *rdev, unsigned i, uint64_t addr)
+void rs400_gart_set_page(struct radeon_device *rdev, unsigned i,
+ uint64_t addr, uint32_t flags)
{
uint32_t entry;
u32 *gtt = rdev->gart.ptr;
entry = (lower_32_bits(addr) & PAGE_MASK) |
- ((upper_32_bits(addr) & 0xff) << 4) |
- RS400_PTE_WRITEABLE | RS400_PTE_READABLE;
+ ((upper_32_bits(addr) & 0xff) << 4);
+ if (flags & RADEON_GART_PAGE_READ)
+ entry |= RS400_PTE_READABLE;
+ if (flags & RADEON_GART_PAGE_WRITE)
+ entry |= RS400_PTE_WRITEABLE;
+ if (!(flags & RADEON_GART_PAGE_SNOOP))
+ entry |= RS400_PTE_UNSNOOPED;
entry = cpu_to_le32(entry);
gtt[i] = entry;
}