Re: [RFC 2/2] drm/i915: Remove PAT hack from i915_gem_object_can_bypass_llc

2023-07-17 Thread Tvrtko Ursulin
On 15/07/2023 01:20, Matt Roper wrote: On Fri, Jul 14, 2023 at 11:11:30AM +0100, Tvrtko Ursulin wrote: On 14/07/2023 06:43, Yang, Fei wrote: From: Tvrtko Ursulin According to the comment in i915_gem_object_can_bypass_llc the purpose of the function is to return false if the

Re: [RFC 2/2] drm/i915: Remove PAT hack from i915_gem_object_can_bypass_llc

2023-07-14 Thread Matt Roper
On Fri, Jul 14, 2023 at 11:11:30AM +0100, Tvrtko Ursulin wrote: > > On 14/07/2023 06:43, Yang, Fei wrote: > > > From: Tvrtko Ursulin > > > > > > According to the comment in i915_gem_object_can_bypass_llc the > > > purpose of the function is to return false if the platform/object > > > has a

RE: [RFC 2/2] drm/i915: Remove PAT hack from i915_gem_object_can_bypass_llc

2023-07-14 Thread Yang, Fei
> On 14/07/2023 06:43, Yang, Fei wrote: >>> From: Tvrtko Ursulin >>> >>> According to the comment in i915_gem_object_can_bypass_llc the >>> purpose of the function is to return false if the platform/object has >>> a caching mode where GPU can bypass the LLC. >>> >>> So far the only platforms

Re: [RFC 2/2] drm/i915: Remove PAT hack from i915_gem_object_can_bypass_llc

2023-07-14 Thread Tvrtko Ursulin
On 14/07/2023 06:43, Yang, Fei wrote: From: Tvrtko Ursulin According to the comment in i915_gem_object_can_bypass_llc the purpose of the function is to return false if the platform/object has a caching mode where GPU can bypass the LLC. So far the only platforms which allegedly can do this

RE: [RFC 2/2] drm/i915: Remove PAT hack from i915_gem_object_can_bypass_llc

2023-07-13 Thread Yang, Fei
> From: Tvrtko Ursulin > > According to the comment in i915_gem_object_can_bypass_llc the > purpose of the function is to return false if the platform/object > has a caching mode where GPU can bypass the LLC. > > So far the only platforms which allegedly can do this are Jasperlake > and

[RFC 2/2] drm/i915: Remove PAT hack from i915_gem_object_can_bypass_llc

2023-07-13 Thread Tvrtko Ursulin
From: Tvrtko Ursulin According to the comment in i915_gem_object_can_bypass_llc the purpose of the function is to return false if the platform/object has a caching mode where GPU can bypass the LLC. So far the only platforms which allegedly can do this are Jasperlake and Elkhartlake, and that