diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2020-01-14 23:34:22 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2020-01-15 03:50:29 +0300 |
| commit | ebe52a58acca308142ba2811e50a1b3bf047240d (patch) | |
| tree | f575a84e131a42d37eb9bb7617a0cf04d9131423 /drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c | |
| parent | ff213b634865b60fa8d445a070ac74951245bb3d (diff) | |
| download | linux-ebe52a58acca308142ba2811e50a1b3bf047240d.tar.xz | |
drm/nouveau/fb/gp102-: unlock VPR as part of FB init
We perform memory allocations long before we hit the code in SECBOOT that
would unlock the VPR, which could potentially result in memory allocation
within the locked region.
Run the scrubber binary right after VRAM init to ensure we don't.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c index b2bb5a3ccb02..d09db7c6b7ee 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c @@ -154,6 +154,23 @@ nvkm_fb_init(struct nvkm_subdev *subdev) if (fb->func->init_unkn) fb->func->init_unkn(fb); + + if (fb->func->vpr.scrub_required && + fb->func->vpr.scrub_required(fb)) { + nvkm_debug(subdev, "VPR locked, running scrubber binary\n"); + + ret = fb->func->vpr.scrub(fb); + if (ret) + return ret; + + if (fb->func->vpr.scrub_required(fb)) { + nvkm_error(subdev, "VPR still locked after scrub!\n"); + return -EIO; + } + + nvkm_debug(subdev, "VPR scrubber binary successful\n"); + } + return 0; } @@ -172,6 +189,8 @@ nvkm_fb_dtor(struct nvkm_subdev *subdev) nvkm_mm_fini(&fb->tags); nvkm_ram_del(&fb->ram); + nvkm_blob_dtor(&fb->vpr_scrubber); + if (fb->func->dtor) return fb->func->dtor(fb); return fb; |