]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 03fbf09) | patch
drm/nouveau/disp: fix DP disable race
authorBen Skeggs <bskeggs@redhat.com>
Tue, 4 Sep 2018 05:57:09 +0000 (15:57 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Thu, 6 Sep 2018 20:54:28 +0000 (06:54 +1000)
commit9145134c4f873d1c3bacc2214058a9c9df8ebac3
tree80b05c404f2af66090a5ab6e8b19540c325ca58ftree | snapshot
parent03fbf09ecbf8e937c58eec2efede551cc11bdf22commit | diff
drm/nouveau/disp: fix DP disable race

If a HPD pulse signalling the need to retrain the link occurs between
the KMS driver releasing the output and the supervisor interrupt that
finishes the teardown, it was possible get a NULL-ptr deref.

Avoid this by marking the link as inactive earlier.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c diff | blob | history
drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c diff | blob | history
drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c diff | blob | history
drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h diff | blob | history
Linux Kernel Source Tree.