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

["Jahagirdar, Akshata" <akshata.jahagirdar@intel.com>]

On 7/9/2024 3:33 AM, Matthew Auld wrote:
> 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?
Hey Matt,
Yes, I am.. seems like there is some issue with my mailing list 
subscription,
so its not getting reflected on the website. I just resubscribed , would 
send this out again.
>
>>
>> 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(-)
>>