Re: [PATCH 0/6] Implement compression support on BMG

[Matthew Auld <matthew.auld@intel.com>]

On 09/07/2024 11:49, Akshata Jahagirdar wrote:
> According to the SAS for BMG compression, we need to decompress during eviction,
> and not recompress on restore. Due to this, we need to introduce encoding pat_index
> in case of vram too. This patch explores the solution of setting up an additional
> identity map for the vram, this time at the end of previous mapping offset and
> with compressed pat_index.
> We then select the appropriate mapping during eviction/restore/clear.

Hey, I don't see this series on the ml. Are you subscribed?

> 
> Akshata Jahagirdar (6):
>    drm/xe/xe2: Introduce identity map for compressed pat for vram
>    drm/xe/migrate: Handle clear ccs logic for xe2 dgfx
>    drm/xe/migrate: Add kunit to test clear functionality
>    drm/xe/xe_migrate: Handle migration logic for xe2+ dgfx
>    drm/xe/migrate: Add kunit to test migration functionality for BMG
>    drm/xe/xe2: Do not run xe_bo_test for xe2+ dgfx
> 
>   drivers/gpu/drm/xe/tests/xe_bo.c           |   6 +
>   drivers/gpu/drm/xe/tests/xe_migrate.c      | 388 +++++++++++++++++++++
>   drivers/gpu/drm/xe/tests/xe_migrate_test.c |   1 +
>   drivers/gpu/drm/xe/tests/xe_migrate_test.h |   1 +
>   drivers/gpu/drm/xe/xe_device.h             |   5 +
>   drivers/gpu/drm/xe/xe_migrate.c            |  66 +++-
>   6 files changed, 449 insertions(+), 18 deletions(-)
>