diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2016-10-14 06:16:36 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2016-11-07 07:03:36 +0300 |
| commit | 5dc7f4aa9d84ea94b54a9bfcef095f0289f1ebda (patch) | |
| tree | 36cf737c1bfdf80c1d7d2fc1f88cfc1ae7efd018 | |
| parent | 7b624ad8fea1be7ff4c22643e212191aa6a2a3c2 (diff) | |
| download | linux-5dc7f4aa9d84ea94b54a9bfcef095f0289f1ebda.tar.xz | |
drm/nouveau/bios: require checksum to match for fast acpi shadow method
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c | 1 |
3 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h index 212800ecdce9..7d1d3c6b4b72 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h @@ -12,6 +12,7 @@ struct nvbios_source { bool rw; bool ignore_checksum; bool no_pcir; + bool require_checksum; }; int nvbios_extend(struct nvkm_bios *, u32 length); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c index b2557e87afdd..7deb81b6dbac 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c @@ -86,9 +86,12 @@ shadow_image(struct nvkm_bios *bios, int idx, u32 offset, struct shadow *mthd) nvbios_checksum(&bios->data[image.base], image.size)) { nvkm_debug(subdev, "%08x: checksum failed\n", image.base); - if (mthd->func->rw) + if (!mthd->func->require_checksum) { + if (mthd->func->rw) + score += 1; score += 1; - score += 1; + } else + return 0; } else { score += 3; } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c index 8fecb5ff22a0..06572f8ce914 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c @@ -99,6 +99,7 @@ nvbios_acpi_fast = { .init = acpi_init, .read = acpi_read_fast, .rw = false, + .require_checksum = true, }; const struct nvbios_source |