UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/amdgpu: dGPU mode placement support memory partition 

dGPU mode uses VRAM manager to validate bo, amdgpu bo placement use the
mem_id  to get the allocation range first, last page frame number
from xcp manager, pass to drm buddy allocator as the allowed range.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Philip Yang 2023-01-26 18:54:29 -05:00 committed by Alex Deucher
parent 2046ed6c8a
commit 7f6db89418
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -132,13 +132,18 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
if (domain & AMDGPU_GEM_DOMAIN_VRAM) {
unsigned int visible_pfn = adev->gmc.visible_vram_size >> PAGE_SHIFT;
places[c].fpfn = 0;
places[c].lpfn = 0;
if (adev->gmc.mem_partitions && abo->mem_id >= 0) {
places[c].fpfn = adev->gmc.mem_partitions[abo->mem_id].range.fpfn;
places[c].lpfn = adev->gmc.mem_partitions[abo->mem_id].range.lpfn;
} else {
places[c].fpfn = 0;
places[c].lpfn = 0;
}
places[c].mem_type = TTM_PL_VRAM;
places[c].flags = 0;
if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)
places[c].lpfn = visible_pfn;
places[c].lpfn = min_not_zero(places[c].lpfn, visible_pfn);
else if (adev->gmc.real_vram_size != adev->gmc.visible_vram_size)
places[c].flags |= TTM_PL_FLAG_TOPDOWN;