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nouveau/dmem: Fix privileged error in copy engine channel

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[ Upstream commit 04e0481526e30ab8c7e7580033d2f88b7ef2da3f ]

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: 6de125383a ("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
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yonatan Maman
2024-10-08 14:59:42 +03:00
committed by Greg Kroah-Hartman
parent 0aac3fb641
commit cfa836da7f
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/nouveau_drm.c
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@@ -343,7 +343,7 @@ 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);
}