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(parent: dfcbd55) | patch
drm/nouveau/imem/nv50: prevent fast-path for mapped objects when BAR isn't ready
authorBen Skeggs <bskeggs@redhat.com>
Tue, 31 Oct 2017 17:56:19 +0000 (03:56 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Thu, 2 Nov 2017 03:32:19 +0000 (13:32 +1000)
commit69b136f200006ee37b039195eaeb08942c419ecc
tree83497ca98b3d7500d2a6ce5824c7d3d581409409tree | snapshot
parentdfcbd5506817c7bfba67c7c2232610f7693b1938commit | diff
drm/nouveau/imem/nv50: prevent fast-path for mapped objects when BAR isn't ready

Another piece of solving the "GP100 BAR2 VMM bootstrap" puzzle.

Without doing this, we'd attempt to write PDEs for the lower page table
levels through BAR2 before BAR2 access has been fully initialised.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c diff | blob | history
Domain: System / Kernel;