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| author | Christian König <deathsimple@vodafone.de> | 2012-09-18 15:30:44 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-12-07 19:48:06 -0500 |
| commit | ae133a1129790ec288b429b5f08ab4701633844a (patch) | |
| tree | 5b42bfef6981335fa6113b6830e07902cc02652b /drivers/gpu/drm/radeon/ni.c | |
| parent | 1c4c3a99435c8891469fe6fca5ccd5fbe16f295a (diff) | |
| download | blackbird-obmc-linux-ae133a1129790ec288b429b5f08ab4701633844a.tar.gz blackbird-obmc-linux-ae133a1129790ec288b429b5f08ab4701633844a.zip | |
drm/radeon: stop page faults from hanging the system (v2)
Redirect invalid memory accesses to the default page
instead of locking up the memory controller. Also
enable the invalid memory access interrupts and
start spamming system log with it.
v2 (agd5f): fix up against 2 level PT changes
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/ni.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 81e6a568c29d..30c18a6e0044 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -784,10 +784,20 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev) /* enable context1-7 */ WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, (u32)(rdev->dummy_page.addr >> 12)); - WREG32(VM_CONTEXT1_CNTL2, 0); - WREG32(VM_CONTEXT1_CNTL, 0); + WREG32(VM_CONTEXT1_CNTL2, 4); WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) | - RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); + RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT | + RANGE_PROTECTION_FAULT_ENABLE_DEFAULT | + DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT | + DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT | + PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT | + PDE0_PROTECTION_FAULT_ENABLE_DEFAULT | + VALID_PROTECTION_FAULT_ENABLE_INTERRUPT | + VALID_PROTECTION_FAULT_ENABLE_DEFAULT | + READ_PROTECTION_FAULT_ENABLE_INTERRUPT | + READ_PROTECTION_FAULT_ENABLE_DEFAULT | + WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT | + WRITE_PROTECTION_FAULT_ENABLE_DEFAULT); cayman_pcie_gart_tlb_flush(rdev); DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", |
