diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-11-22 17:56:27 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-11-23 09:23:24 +1000 |
| commit | 6eb18f8b6006b0e869a8484b1daaa63adce1b73e (patch) | |
| tree | f924dbe6b56137752e7615306e84d4f607111196 | |
| parent | 0ef0c1f7349e782f6c79cb7e4bf8a4c3ce3371c6 (diff) | |
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>
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770d.h | 1 |
3 files changed, 19 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index e9b262fdaa2..090f7470008 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1940,9 +1940,15 @@ int evergreen_mc_init(struct radeon_device *rdev) rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); /* Setup GPU memory space */ - /* size in MB on evergreen */ - rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; - rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; + if (rdev->flags & RADEON_IS_IGP) { + /* size in bytes on fusion */ + rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); + rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); + } else { + /* size in MB on evergreen */ + rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; + rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; + } rdev->mc.visible_vram_size = rdev->mc.aper_size; rdev->mc.active_vram_size = rdev->mc.visible_vram_size; r700_vram_gtt_location(rdev, &rdev->mc); diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index c23349a46fd..2b66af9066b 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); diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h index 7b1c8f8f407..e09a403f1c6 100644 --- a/drivers/gpu/drm/radeon/rv770d.h +++ b/drivers/gpu/drm/radeon/rv770d.h @@ -158,6 +158,7 @@ #define MC_VM_AGP_BOT 0x202C #define MC_VM_AGP_BASE 0x2030 #define MC_VM_FB_LOCATION 0x2024 +#define MC_FUS_VM_FB_OFFSET 0x2898 #define MC_VM_MB_L1_TLB0_CNTL 0x2234 #define MC_VM_MB_L1_TLB1_CNTL 0x2238 #define MC_VM_MB_L1_TLB2_CNTL 0x223C |