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path: root/drivers/gpu/drm/radeon/r300.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r300.c')
-rw-r--r--drivers/gpu/drm/radeon/r300.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index cf862ca580b..55fe5ba7def 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -69,6 +69,9 @@ void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
69 mb(); 69 mb();
70} 70}
71 71
72#define R300_PTE_WRITEABLE (1 << 2)
73#define R300_PTE_READABLE (1 << 3)
74
72int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) 75int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
73{ 76{
74 void __iomem *ptr = (void *)rdev->gart.table.vram.ptr; 77 void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
@@ -78,7 +81,7 @@ int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
78 } 81 }
79 addr = (lower_32_bits(addr) >> 8) | 82 addr = (lower_32_bits(addr) >> 8) |
80 ((upper_32_bits(addr) & 0xff) << 24) | 83 ((upper_32_bits(addr) & 0xff) << 24) |
81 0xc; 84 R300_PTE_WRITEABLE | R300_PTE_READABLE;
82 /* on x86 we want this to be CPU endian, on powerpc 85 /* on x86 we want this to be CPU endian, on powerpc
83 * on powerpc without HW swappers, it'll get swapped on way 86 * on powerpc without HW swappers, it'll get swapped on way
84 * into VRAM - so no need for cpu_to_le32 on VRAM tables */ 87 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
@@ -135,7 +138,7 @@ int rv370_pcie_gart_enable(struct radeon_device *rdev)
135 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start); 138 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
136 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0); 139 WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
137 /* Clear error */ 140 /* Clear error */
138 WREG32_PCIE(0x18, 0); 141 WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
139 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL); 142 tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
140 tmp |= RADEON_PCIE_TX_GART_EN; 143 tmp |= RADEON_PCIE_TX_GART_EN;
141 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD; 144 tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;