:01 AM
To: Deucher, Alexander <alexander.deuc...@amd.com>;
amd-gfx@lists.freedesktop.org
Subject: RE: [PATCH 1/2] drm/amdgpu:fix gfx ib schedule
Not needed at least in windows kmd, I don't know if it is out of what reason,
with my guess:
1, CI doesn’t support world switch, so n
: [PATCH 1/2] drm/amdgpu:fix gfx ib schedule
> -Original Message-
> From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf
> Of Monk Liu
> Sent: Thursday, August 25, 2016 1:58 AM
> To: amd-gfx@lists.freedesktop.org
> Cc: Liu, Monk
> Subject: [PATCH 1/
> -Original Message-
> From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf
> Of Monk Liu
> Sent: Thursday, August 25, 2016 1:58 AM
> To: amd-gfx@lists.freedesktop.org
> Cc: Liu, Monk
> Subject: [PATCH 1/2] drm/amdgpu:fix gfx ib schedule
>
> f
for GFX 8, originally we use double switch_buffer to
prevents CE go ahead of DE, thus it can avoid VM fault
in case of VM_flush not finish. but double SWITCH_BUFFER
drops performance, and world switch preemption requires
that only one SWITCH_BUFFER is needed at the end of
DMAframe.
to Pevent CE
