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authorAlex Deucher <alexdeucher@gmail.com>2010-11-22 17:56:27 -0500
committerDave Airlie <airlied@redhat.com>2010-11-23 09:23:24 +1000
commit6eb18f8b6006b0e869a8484b1daaa63adce1b73e (patch)
treef924dbe6b56137752e7615306e84d4f607111196 /drivers/gpu/drm/radeon/rv770.c
parent0ef0c1f7349e782f6c79cb7e4bf8a4c3ce3371c6 (diff)
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blackbird-op-linux-6eb18f8b6006b0e869a8484b1daaa63adce1b73e.zip
drm/radeon/kms: MC setup changes for fusion APUs
- CONFIG_MEMSIZE is in bytes on fusion. - FB_BASE and FB_TOP are finer grained. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770.c')
-rw-r--r--drivers/gpu/drm/radeon/rv770.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index c23349a46fd2..2b66af9066b2 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -237,6 +237,12 @@ static void rv770_mc_program(struct radeon_device *rdev)
rdev->mc.vram_end >> 12);
}
WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
+ if (rdev->flags & RADEON_IS_IGP) {
+ tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
+ tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
+ tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
+ WREG32(MC_FUS_VM_FB_OFFSET, tmp);
+ }
tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
WREG32(MC_VM_FB_LOCATION, tmp);
@@ -1035,8 +1041,10 @@ void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
mc->vram_end, mc->real_vram_size >> 20);
} else {
u64 base = 0;
- if (rdev->flags & RADEON_IS_IGP)
+ if (rdev->flags & RADEON_IS_IGP) {
base = (RREG32(MC_VM_FB_LOCATION) & 0xFFFF) << 24;
+ base |= RREG32(MC_FUS_VM_FB_OFFSET) & 0x00F00000;
+ }
radeon_vram_location(rdev, &rdev->mc, base);
rdev->mc.gtt_base_align = 0;
radeon_gtt_location(rdev, mc);
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