RE: [PATCH] drm/amdkfd: Add SVM API support capability bits

2022-03-30 Thread Sierra Guiza, Alejandro (Alex)
linux...@kvack.org; rcampb...@nvidia.com; > linux-e...@vger.kernel.org; linux-...@vger.kernel.org; amd- > g...@lists.freedesktop.org; dri-devel@lists.freedesktop.org; h...@lst.de; > jgli...@redhat.com; apop...@nvidia.com; a...@linux-foundation.org > Subject: Re: [PATCH] drm/amdkfd: Add S

Re: [PATCH] drm/amdkfd: Add SVM API support capability bits

2022-03-30 Thread Matthew Wilcox
On Wed, Mar 30, 2022 at 04:24:20PM -0500, Alex Sierra wrote: > From: Philip Yang > > SVMAPISupported property added to HSA_CAPABILITY, the value match > HSA_CAPABILITY defined in Thunk spec: > > SVMAPISupported: it will not be supported on older kernels that don't > have HMM or on systems with G

RE: [PATCH] drm/amdkfd: Add SVM API support capability bits

2022-03-30 Thread Sierra Guiza, Alejandro (Alex)
@nvidia.com; amd- > g...@lists.freedesktop.org; linux-...@vger.kernel.org; linux...@kvack.org; > jgli...@redhat.com; dri-devel@lists.freedesktop.org; akpm@linux- > foundation.org; linux-e...@vger.kernel.org; h...@lst.de > Subject: [PATCH] drm/amdkfd: Add SVM API support capability bits > > From: Phi

[PATCH] drm/amdkfd: Add SVM API support capability bits

2022-03-30 Thread Alex Sierra
From: Philip Yang SVMAPISupported property added to HSA_CAPABILITY, the value match HSA_CAPABILITY defined in Thunk spec: SVMAPISupported: it will not be supported on older kernels that don't have HMM or on systems with GFXv8 or older GPUs without support for 48-bit virtual addresses. CoherentH