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a7ce8f821c
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 |
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| .. | ||
| selftests | ||
| i915_gem_busy.c | ||
| i915_gem_clflush.c | ||
| i915_gem_clflush.h | ||
| i915_gem_context_types.h | ||
| i915_gem_context.c | ||
| i915_gem_context.h | ||
| i915_gem_create.c | ||
| i915_gem_create.h | ||
| i915_gem_dmabuf.c | ||
| i915_gem_dmabuf.h | ||
| i915_gem_domain.c | ||
| i915_gem_domain.h | ||
| i915_gem_execbuffer.c | ||
| i915_gem_internal.c | ||
| i915_gem_internal.h | ||
| i915_gem_ioctls.h | ||
| i915_gem_lmem.c | ||
| i915_gem_lmem.h | ||
| i915_gem_mman.c | ||
| i915_gem_mman.h | ||
| i915_gem_object_types.h | ||
| i915_gem_object.c | ||
| i915_gem_object.h | ||
| i915_gem_pages.c | ||
| i915_gem_phys.c | ||
| i915_gem_pm.c | ||
| i915_gem_pm.h | ||
| i915_gem_region.c | ||
| i915_gem_region.h | ||
| i915_gem_shmem.c | ||
| i915_gem_shrinker.c | ||
| i915_gem_shrinker.h | ||
| i915_gem_stolen.c | ||
| i915_gem_stolen.h | ||
| i915_gem_throttle.c | ||
| i915_gem_tiling.c | ||
| i915_gem_tiling.h | ||
| i915_gem_ttm_move.c | ||
| i915_gem_ttm_move.h | ||
| i915_gem_ttm_pm.c | ||
| i915_gem_ttm_pm.h | ||
| i915_gem_ttm.c | ||
| i915_gem_ttm.h | ||
| i915_gem_userptr.c | ||
| i915_gem_userptr.h | ||
| i915_gem_wait.c | ||
| i915_gemfs.c | ||
| i915_gemfs.h | ||