[Intel-gfx] [PATCH] drm/i915: Do not set cache_dirty for DGFX

[Andi Shyti]

Hi Niranjana,

On Tue, Nov 01, 2022 at 10:14:16PM -0700, Niranjana Vishwanathapura wrote:
> Currently on DG1, which do not have LLC, we hit the below
> warning while rebinding an userptr invalidated object.
> 
> WARNING: CPU: 4 PID: 13008 at drivers/gpu/drm/i915/gem/i915_gem_pages.c:34 __i915_gem_object_set_pages+0x296/0x2d0 [i915]
> ...
> RIP: 0010:__i915_gem_object_set_pages+0x296/0x2d0 [i915]
> ...
> Call Trace:
>  <TASK>
>  i915_gem_userptr_get_pages+0x175/0x1a0 [i915]
>  ____i915_gem_object_get_pages+0x32/0xb0 [i915]
>  i915_gem_object_userptr_submit_init+0x286/0x470 [i915]
>  eb_lookup_vmas+0x2ff/0xcf0 [i915]
>  ? __intel_wakeref_get_first+0x55/0xb0 [i915]
>  i915_gem_do_execbuffer+0x785/0x21d0 [i915]
>  i915_gem_execbuffer2_ioctl+0xe7/0x3d0 [i915]
> 
> We shouldn't be setting the obj->cache_dirty for DGFX,
> fix it.
> 
> Suggested-by: Matthew Auld <matthew.auld at intel.com>
> Reported-by: Niranjana Vishwanathapura <niranjana.vishwanathapura at intel.com>
> Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura at intel.com>

Pushed in drm-intel-gt-next.

Thanks,
Andi