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| author | Yonatan Maman <Ymaman@Nvidia.com> | 2024-10-08 14:59:42 +0300 |
|---|---|---|
| committer | Danilo Krummrich <dakr@kernel.org> | 2024-10-08 14:23:35 +0200 |
| commit | 04e0481526e30ab8c7e7580033d2f88b7ef2da3f (patch) | |
| tree | 63ac6a0aae98e9b8f7bc3342736aca05f438004e | |
| parent | 0b2ad4f6f2bec74a5287d96cb2325a5e11706f22 (diff) | |
| download | lwn-04e0481526e30ab8c7e7580033d2f88b7ef2da3f.tar.gz lwn-04e0481526e30ab8c7e7580033d2f88b7ef2da3f.zip | |
nouveau/dmem: Fix privileged error in copy engine channel
When `nouveau_dmem_copy_one` is called, the following error occurs:
[272146.675156] nouveau 0000:06:00.0: fifo: PBDMA9: 00000004 [HCE_PRIV]
ch 1 00000300 00003386
This indicates that a copy push command triggered a Host Copy Engine
Privileged error on channel 1 (Copy Engine channel). To address this
issue, modify the Copy Engine channel to allow privileged push commands
Fixes: 6de125383a5c ("drm/nouveau/fifo: expose runlist topology info on all chipsets")
Signed-off-by: Yonatan Maman <Ymaman@Nvidia.com>
Co-developed-by: Gal Shalom <GalShalom@Nvidia.com>
Signed-off-by: Gal Shalom <GalShalom@Nvidia.com>
Reviewed-by: Ben Skeggs <bskeggs@nvidia.com>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241008115943.990286-2-ymaman@nvidia.com
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index f6e78dba594f..34985771b2a2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -331,7 +331,7 @@ nouveau_accel_ce_init(struct nouveau_drm *drm) return; } - ret = nouveau_channel_new(&drm->client, false, runm, NvDmaFB, NvDmaTT, &drm->cechan); + ret = nouveau_channel_new(&drm->client, true, runm, NvDmaFB, NvDmaTT, &drm->cechan); if (ret) NV_ERROR(drm, "failed to create ce channel, %d\n", ret); } |