linux/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c, branch v4.20

drm/amdgpu: Avoid endless loop in GPUVM fragment processing

2018-11-28T19:38:48Z

Don't bounce back to the root level for fragment processing, because huge pages are not supported at that level. This is unlikely to happen with the default VM size on Vega, but can be exposed by limiting the VM size with the amdgpu.vm_size module parameter. Signed-off-by: Felix Kuehling Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: Cast to uint64_t before left shift

2018-11-28T19:38:33Z

Avoid potential integer overflows with left shift in huge-page mapping code by casting the operand to uin64_t first. Signed-off-by: Felix Kuehling Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: fix huge page handling on Vega10

2018-11-13T15:21:00Z

We accidentially set the huge flag on the parent instead of the childs. This caused some VM faults under memory pressure. Signed-off-by: Christian König Acked-by: Alex Deucher Tested-by: Samuel Pitoiset Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org

drm/amdgpu: fix VM leaf walking

2018-10-26T18:27:06Z

Make sure we don't try to go down further after the leave walk already ended. This fixes a crash with a new VM test. Signed-off-by: Christian König Reviewed-by: Felix Kuehling Acked-by: Alex Deucher Tested-by: Rex Zhu Rex.Zhu@amd.com Signed-off-by: Alex Deucher

drm/amdgpu: fix amdgpu_vm_fini

2018-10-25T19:04:40Z

We should not remove mappings in rbtree_postorder_for_each_entry_safe because that rebalances the tree. Signed-off-by: Christian König Reviewed-by: Chunming Zhou Signed-off-by: Alex Deucher

drm/amdgpu: fix parameter documentation for amdgpu_vm_free_pts

2018-09-19T17:35:01Z

The function was modified without updating the documentation. Signed-off-by: Christian König Reviewed-by: Huang Rui Signed-off-by: Alex Deucher

drm/amdgpu: add amdgpu_vm_entries_mask v2

2018-09-19T17:34:41Z

We can't get the mask for the root directory from the number of entries. So add a new function to avoid that problem. v2: fix typo in mask Signed-off-by: Christian König Reviewed-by: Huang Rui Signed-off-by: Alex Deucher

drm/amdgpu: simplify Raven, Raven2, and Picasso handling

2018-09-14T14:38:03Z

Treat them all as Raven rather than adding a new picasso asic type. This simplifies a lot of code and also handles the case of rv2 chips with the 0x15d8 pci id. It also fixes dmcu fw handling for picasso. Acked-by: Huang Rui Signed-off-by: Alex Deucher

drm/amdgpu: add picasso support for vm

2018-09-14T14:35:00Z

Add vm support for picasso. Signed-off-by: Likun Gao Reviewed-by: Alex Deucher Reviewed-by: Huang Rui Signed-off-by: Alex Deucher

drm/amdgpu: use a single linked list for amdgpu_vm_bo_base

2018-09-13T20:14:12Z

Instead of the double linked list. Gets the size of amdgpu_vm_pt down to 64 bytes again. We could even reduce it down to 32 bytes, but that would require some rather extreme hacks. Signed-off-by: Christian König Reviewed-by: Chunming Zhou Acked-by: Felix Kuehling Signed-off-by: Alex Deucher