Re: [Intel-gfx] [CI v4 12/13] drm/i915/ttm: disallow CPU fallback mode for ccs pages

On 25/07/2022 16:09, Matthew Auld wrote: Hi, On 25/07/2022 15:55, Tvrtko Ursulin wrote: Hi Matt, On 29/06/2022 18:43, Matthew Auld wrote: Falling back to memcpy/memset shouldn't be allowed if we know we have CCS state to manage using the blitter. Otherwise we are potentially leaving the au

Re: [Intel-gfx] [CI v4 12/13] drm/i915/ttm: disallow CPU fallback mode for ccs pages

Hi, On 25/07/2022 15:55, Tvrtko Ursulin wrote: Hi Matt, On 29/06/2022 18:43, Matthew Auld wrote: Falling back to memcpy/memset shouldn't be allowed if we know we have CCS state to manage using the blitter. Otherwise we are potentially leaving the aux CCS state in an unknown state, which smell

Re: [Intel-gfx] [CI v4 12/13] drm/i915/ttm: disallow CPU fallback mode for ccs pages

Hi Matt, On 29/06/2022 18:43, Matthew Auld wrote: Falling back to memcpy/memset shouldn't be allowed if we know we have CCS state to manage using the blitter. Otherwise we are potentially leaving the aux CCS state in an unknown state, which smells like an info leak. Fixes: 48760ffe923a ("drm/

[Intel-gfx] [CI v4 12/13] drm/i915/ttm: disallow CPU fallback mode for ccs pages

Falling back to memcpy/memset shouldn't be allowed if we know we have CCS state to manage using the blitter. Otherwise we are potentially leaving the aux CCS state in an unknown state, which smells like an info leak. Fixes: 48760ffe923a ("drm/i915/gt: Clear compress metadata for Flat-ccs objects"