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| author |   Matthew Auld <matthew.auld@intel.com> | 2022-04-20 19:16:10 +0100 |
|---|---|---|
| committer | Matthew Auld <matthew.auld@intel.com> | 2022-04-21 10:10:34 +0100 |
| commit | a7ce8f821ca9dc20fa71cd482fcadf0c7e5b2926 (patch) | |
| tree | 2dee492131498cda81c4e71b342dad385cbea50a /drivers/gpu/drm/i915/i915_ttm_buddy_manager.c | |
| parent | drm/i915/dg2: Add workaround 18019627453 (diff) | |
| download | linux-dev-a7ce8f821ca9dc20fa71cd482fcadf0c7e5b2926.tar.xz linux-dev-a7ce8f821ca9dc20fa71cd482fcadf0c7e5b2926.zip | |
drm/i915: consider min_page_size when migrating
We can only force migrate an object if the existing object size is
compatible with the new destinations min_page_size for the region.
Currently we blow up with something like:
[ 2857.497462] kernel BUG at drivers/gpu/drm/i915/gt/intel_migrate.c:431!
[ 2857.497497] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[ 2857.497502] CPU: 1 PID: 8921 Comm: i915_selftest Tainted: G U W 5.18.0-rc1-drm-tip+ #27
[ 2857.497513] RIP: 0010:emit_pte.cold+0x11a/0x17e [i915]
[ 2857.497646] Code: 00 48 c7 c2 f0 cd c1 a0 48 c7 c7 e9 99 bd a0 e8 d2 77 5d e0 bf 01 00 00 00 e8 08 47 5d e0 31 f6 bf 09 00 00 00 e8 3c 7b 4d e0 <0f> 0b 48 c7 c1 e0 2a c5 a0 ba 34 00 00 00 48 c7 c6 00 ce c1 a0 48
[ 2857.497654] RSP: 0018:ffffc900000f7748 EFLAGS: 00010246
[ 2857.497658] RAX: 0000000000000000 RBX: ffffc900000f77c8 RCX: 0000000000000006
[ 2857.497662] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009
[ 2857.497665] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
[ 2857.497668] R10: 0000000000022302 R11: ffff88846dea08f0 R12: 0000000000010000
[ 2857.497672] R13: 0000000001880000 R14: 000000000000081b R15: ffff888106b7c040
[ 2857.497675] FS: 00007f0d4c4e0600(0000) GS:ffff88845da80000(0000) knlGS:0000000000000000
[ 2857.497679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2857.497682] CR2: 00007f113966c088 CR3: 0000000211e60003 CR4: 00000000003706e0
[ 2857.497686] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2857.497689] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2857.497692] Call Trace:
[ 2857.497694] <TASK>
[ 2857.497697] intel_context_migrate_copy+0x1e5/0x4f0 [i915]
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Nirmoy Das <nirmoy.das@linux.intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220420181613.70033-1-matthew.auld@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_ttm_buddy_manager.c')
0 files changed, 0 insertions, 0 deletions