22, 2024 3:19 PM
> To: amd-gfx@lists.freedesktop.org
> Cc: Deucher, Alexander ; Liang, Prike
>
> Subject: [PATCH] drm/amdgpu: avoid dummy_read_page overlapping mappings
>
> In the A+A system, the dummy_read_page is mapped twice during the device
> graphics memory software ini
In the A+A system, the dummy_read_page is mapped twice
during the device graphics memory software initialization.
To avoid page remapping, export the ttm_glob_use_count
to the driver for checking whether the same page has already
been mapped.
Signed-off-by: Prike Liang
---
drivers/gpu/drm/amd/a