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| author | Vidya Srinivas <[email protected]> | 2024-05-20 16:56:34 +0000 |
|---|---|---|
| committer | Ville Syrjälä <[email protected]> | 2024-05-22 12:31:08 +0000 |
| commit | 51064d471c53dcc8eddd2333c3f1c1d9131ba36c (patch) | |
| tree | 563f0227b7b4d0f89b7a560a186b37b92c7da1b1 /drivers/gpu/drm/i915/display/intel_sprite_uapi.c | |
| parent | drm/i915: Bump max TMDS bitrate to 6 Gbps on ADL-S/ADL-P/DG2+ (diff) | |
| download | kernel-51064d471c53dcc8eddd2333c3f1c1d9131ba36c.tar.gz kernel-51064d471c53dcc8eddd2333c3f1c1d9131ba36c.zip | |
drm/i915/dpt: Make DPT object unshrinkable
In some scenarios, the DPT object gets shrunk but
the actual framebuffer did not and thus its still
there on the DPT's vm->bound_list. Then it tries to
rewrite the PTEs via a stale CPU mapping. This causes panic.
Cc: [email protected]
Reported-by: Shawn Lee <[email protected]>
Fixes: 0dc987b699ce ("drm/i915/display: Add smem fallback allocation for dpt")
Signed-off-by: Vidya Srinivas <[email protected]>
[vsyrjala: Add TODO comment]
Signed-off-by: Ville Syrjälä <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_sprite_uapi.c')
0 files changed, 0 insertions, 0 deletions