diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2011-10-28 14:30:02 (GMT) |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-11-01 16:05:02 (GMT) |
| commit | 16cdf04d30c24a6e698863351c11d9a8da2591ed (patch) | |
| tree | f104a8d49318daebd1e598d03eb1455e09288621 /drivers/gpu/drm/radeon/radeon.h | |
| parent | 996d5c59006cd970dd3a9007aa1f76532909bae2 (diff) | |
| download | linux-16cdf04d30c24a6e698863351c11d9a8da2591ed.tar.xz | |
drm/radeon/kms: allocate vram scratch page on 6xx+
The vram scratch was originally only used on some 7xx asics
to work around a hw bug. Allocate the scratch page on all 6xx+
radeons and set the MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR to point
to it. We shouldn't ever hit it since we limit the system
aperture to vram or vram and AGP, but better safe than sorry.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 00f6dc4..83b76db 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1144,10 +1144,11 @@ int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data, int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); -/* VRAM scratch page for HDP bug */ -struct r700_vram_scratch { +/* VRAM scratch page for HDP bug, default vram page */ +struct r600_vram_scratch { struct radeon_bo *robj; volatile uint32_t *ptr; + u64 gpu_addr; }; /* @@ -1219,7 +1220,7 @@ struct radeon_device { const struct firmware *rlc_fw; /* r6/700 RLC firmware */ const struct firmware *mc_fw; /* NI MC firmware */ struct r600_blit r600_blit; - struct r700_vram_scratch vram_scratch; + struct r600_vram_scratch vram_scratch; int msi_enabled; /* msi enabled */ struct r600_ih ih; /* r6/700 interrupt ring */ struct work_struct hotplug_work; @@ -1468,6 +1469,12 @@ extern int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size); /* + * R600 vram scratch functions + */ +int r600_vram_scratch_init(struct radeon_device *rdev); +void r600_vram_scratch_fini(struct radeon_device *rdev); + +/* * r600 functions used by radeon_encoder.c */ extern void r600_hdmi_enable(struct drm_encoder *encoder); |