Re: [PATCH] drm/msm: Remove exclusive-fence hack

2022-11-02 Thread Rob Clark
On Wed, Nov 2, 2022 at 3:46 AM Christian König wrote: > > Am 01.11.22 um 22:40 schrieb Rob Clark: > > From: Rob Clark > > > > The workaround was initially necessary due to dma_resv having only a > > single exclusive fence slot, yet whe don't necessarily know what order > > the gpu scheduler will

Re: [PATCH] drm/msm: Remove exclusive-fence hack

2022-11-02 Thread Christian König
Am 01.11.22 um 22:40 schrieb Rob Clark: From: Rob Clark The workaround was initially necessary due to dma_resv having only a single exclusive fence slot, yet whe don't necessarily know what order the gpu scheduler will schedule jobs. Unfortunately this workaround also has the result of

[PATCH] drm/msm: Remove exclusive-fence hack

2022-11-01 Thread Rob Clark
From: Rob Clark The workaround was initially necessary due to dma_resv having only a single exclusive fence slot, yet whe don't necessarily know what order the gpu scheduler will schedule jobs. Unfortunately this workaround also has the result of forcing implicit sync, even when userspace does