Re: [PATCH 0/3] SVM compression fixes

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

On 14/07/2025 18:33, Matthew Brost wrote:
> Compression is broken for SVM and for devcoredump when reading out BOs.

For devcoredump case is this the bo_read() call? Does that mean we would 
still run into trouble for < 16K buffers and then also igpu in general?

> 
> Marking the first two patches as fixes. One option could be to drop
> patch 1 and proceed with just the last two patches as fixes, if we
> decide we're confident in SVM with compression.
> 
> Tested with [1]. The append memory copy compression sections fail on
> drm-tip and pass after this series.
> 
> Matt
> 
> [1] https://patchwork.freedesktop.org/series/151581/
> 
> Matthew Brost (3):
>    drm/xe: Disable compression on SVM
>    drm/xe: Update xe_migrate_vram to support compression
>    drm/xe: Enable compressed memory for SVM
> 
>   drivers/gpu/drm/xe/xe_migrate.c | 37 ++++++++++++++++++++++++++-------
>   1 file changed, 30 insertions(+), 7 deletions(-)
>