diff options
| author | Vidya Srinivas <[email protected]> | 2024-05-20 22:26:34 +0530 |
|---|---|---|
| committer | Jani Nikula <[email protected]> | 2024-05-29 11:35:43 +0300 |
| commit | 43e2b37e2ab660c3565d4cff27922bc70e79c3f1 (patch) | |
| tree | b7ce21b73afec387a494eaf9572a30f2f1211871 /lib/memory-notifier-error-inject.c | |
| parent | ee01b6a386eaf9984b58a2476e8f531149679da9 (diff) | |
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]
(cherry picked from commit 51064d471c53dcc8eddd2333c3f1c1d9131ba36c)
Signed-off-by: Jani Nikula <[email protected]>
Diffstat (limited to 'lib/memory-notifier-error-inject.c')
0 files changed, 0 insertions, 0 deletions