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| author |   Dave Airlie <airlied@redhat.com> | 2010-02-05 16:00:07 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-02-11 19:11:32 +1000 |
| commit | 82568565683b4991964a5fc89a9ca0c7122818e8 (patch) | |
| tree | 3c04fa40a00a440a322c802abd41175e90b71e21 /drivers/gpu/drm/radeon/radeon.h | |
| parent | drm/radeon/kms: check for valid PCI bios and not OF rom (diff) | |
| download | linux-dev-82568565683b4991964a5fc89a9ca0c7122818e8.tar.xz linux-dev-82568565683b4991964a5fc89a9ca0c7122818e8.zip | |
drm/radeon/kms: set gart pages to invalid on unbind and point to dummy page
this uses a new entrypoint to invalidate gart entries instead of using 0.
Changed to rather than pointing to 0 address point empty entry to dummy
page. This might help to avoid hard lockup if for some wrong
reasons GPU try to access unmapped GART entry.
I'm not 100% sure this is going to work, we probably need to allocate
a dummy page and point all the GTT entries at it similiar to what AGP does.
but we can test this first I suppose.
Signed-off-by: Jerome Glisse <jglisse@redhat.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 | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 9eeca6f07222..993cdf20d8e6 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1145,6 +1145,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v) /* AGP */ extern void radeon_agp_disable(struct radeon_device *rdev); extern int radeon_gart_table_vram_pin(struct radeon_device *rdev); +extern void radeon_gart_restore(struct radeon_device *rdev); extern int radeon_modeset_init(struct radeon_device *rdev); extern void radeon_modeset_fini(struct radeon_device *rdev); extern bool radeon_card_posted(struct radeon_device *rdev); @@ -1269,7 +1270,6 @@ extern void r600_ring_init(struct radeon_device *rdev, unsigned ring_size); extern int r600_cp_resume(struct radeon_device *rdev); extern void r600_cp_fini(struct radeon_device *rdev); extern int r600_count_pipe_bits(uint32_t val); -extern int r600_gart_clear_page(struct radeon_device *rdev, int i); extern int r600_mc_wait_for_idle(struct radeon_device *rdev); extern int r600_pcie_gart_init(struct radeon_device *rdev); extern void r600_pcie_gart_tlb_flush(struct radeon_device *rdev); |