linux

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Files

Matthew Brost 2e0cd372b8 drm/pagemap: Use dma-map IOVA alloc, link, and sync API for DRM pagemap

The dma-map IOVA alloc, link, and sync APIs perform significantly better
than dma-map / dma-unmap, as they avoid costly IOMMU synchronizations.
This difference is especially noticeable when mapping a 2MB region in
4KB pages.

Use the IOVA alloc, link, and sync APIs for DRM pagemap, which create DMA
mappings between the CPU and GPU for copying data.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Francois Dugast <francois.dugast@intel.com>
Link: https://patch.msgid.link/20260410205929.3914474-5-matthew.brost@intel.com

2026-04-12 20:51:14 -07:00

drm

drm/pagemap: Use dma-map IOVA alloc, link, and sync API for DRM pagemap

2026-04-12 20:51:14 -07:00

host1x

Convert more 'alloc_obj' cases to default GFP_KERNEL arguments

2026-02-21 20:03:00 -08:00

ipu-v3

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

nova-core

gpu: nova-core: firmware: factor out an elf_str() function