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anv: Request Xe KMD to place BOs to CPU visible VRAM when required

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This is required to support discrete GPUs placed in systems with large
PCI bar or resizeble PCI bar not available or disabled.

Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23781>
This commit is contained in:
José Roberto de Souza 2023-06-13 11:12:48 -07:00 • committed by Marge Bot
parent f9fcd7168a
commit f59d272e93
1 changed files with 9 additions and 1 deletions
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10
src/intel/vulkan/xe/anv_kmd_backend.c
View file

@ -40,6 +40,14 @@ xe_gem_create(struct anv_device *device,
enum anv_bo_alloc_flags alloc_flags,
uint64_t *actual_size)
{
uint32_t flags = 0;
if (alloc_flags & ANV_BO_ALLOC_SCANOUT)
flags |= XE_GEM_CREATE_FLAG_SCANOUT;
if ((alloc_flags & (ANV_BO_ALLOC_MAPPED | ANV_BO_ALLOC_LOCAL_MEM_CPU_VISIBLE)) &&
!(alloc_flags & ANV_BO_ALLOC_NO_LOCAL_MEM) &&
device->physical->vram_non_mappable.size > 0)
flags |= XE_GEM_CREATE_FLAG_NEEDS_VISIBLE_VRAM;
struct drm_xe_gem_create gem_create = {
/* From xe_drm.h: If a VM is specified, this BO must:
* 1. Only ever be bound to that VM.
@ -47,7 +55,7 @@ xe_gem_create(struct anv_device *device,
*/
.vm_id = alloc_flags & ANV_BO_ALLOC_EXTERNAL ? 0 : device->vm_id,
.size = align64(size, device->info->mem_alignment),
.flags = alloc_flags & ANV_BO_ALLOC_SCANOUT ? XE_GEM_CREATE_FLAG_SCANOUT : 0,
.flags = flags,
};
for (uint16_t i = 0; i < regions_count; i++)
gem_create.flags |= BITFIELD_BIT(regions[i]->instance);