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yaml
---
r: 168484
b: refs/heads/master
c: 4d357ab
h: refs/heads/master
v: v3
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Dave Airlie authored and Dave Airlie committed Nov 4, 2009
1 parent a77cbe2 commit 5c4808c
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Showing 2 changed files with 20 additions and 26 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8a9832e89ff1bc7a039c8f966f07101570be3d5e
refs/heads/master: 4d357abb895ec51f1cbdebb1fbbf4d4576900a2e
44 changes: 19 additions & 25 deletions trunk/drivers/gpu/drm/radeon/r600.c
Original file line number Diff line number Diff line change
Expand Up @@ -409,35 +409,29 @@ int r600_mc_init(struct radeon_device *rdev)
rdev->mc.gtt_location = rdev->mc.mc_vram_size;
}
} else {
if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) {
rdev->mc.vram_location = (RREG32(MC_VM_FB_LOCATION) &
0xFFFF) << 24;
rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size;
if ((0xFFFFFFFFUL - tmp) >= rdev->mc.gtt_size) {
/* Enough place after vram */
rdev->mc.gtt_location = tmp;
} else if (rdev->mc.vram_location >= rdev->mc.gtt_size) {
/* Enough place before vram */
rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
rdev->mc.vram_location = (RREG32(MC_VM_FB_LOCATION) &
0xFFFF) << 24;
tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size;
if ((0xFFFFFFFFUL - tmp) >= rdev->mc.gtt_size) {
/* Enough place after vram */
rdev->mc.gtt_location = tmp;
} else if (rdev->mc.vram_location >= rdev->mc.gtt_size) {
/* Enough place before vram */
rdev->mc.gtt_location = 0;
} else {
/* Not enough place after or before shrink
* gart size
*/
if (rdev->mc.vram_location > (0xFFFFFFFFUL - tmp)) {
rdev->mc.gtt_location = 0;
rdev->mc.gtt_size = rdev->mc.vram_location;
} else {
/* Not enough place after or before shrink
* gart size
*/
if (rdev->mc.vram_location > (0xFFFFFFFFUL - tmp)) {
rdev->mc.gtt_location = 0;
rdev->mc.gtt_size = rdev->mc.vram_location;
} else {
rdev->mc.gtt_location = tmp;
rdev->mc.gtt_size = 0xFFFFFFFFUL - tmp;
}
rdev->mc.gtt_location = tmp;
rdev->mc.gtt_size = 0xFFFFFFFFUL - tmp;
}
rdev->mc.gtt_location = rdev->mc.mc_vram_size;
} else {
rdev->mc.vram_location = 0x00000000UL;
rdev->mc.gtt_location = rdev->mc.mc_vram_size;
rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
}
rdev->mc.gtt_location = rdev->mc.mc_vram_size;
}
rdev->mc.vram_start = rdev->mc.vram_location;
rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1;
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