From: Christian König <[email protected]> Split VRAM won't have a valid offset, so just set an explicit limit when the flag is given to trigger reallocation if necessary.
Signed-off-by: Christian König <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index ba41807..c6754e7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -121,12 +121,17 @@ static void amdgpu_ttm_placement_init(struct amdgpu_device *adev, if (domain & AMDGPU_GEM_DOMAIN_VRAM) { unsigned visible_pfn = adev->mc.visible_vram_size >> PAGE_SHIFT; + unsigned lpfn = 0; + + /* This forces a reallocation if the flag wasn't set before */ + if (flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS) + lpfn = adev->mc.real_vram_size >> PAGE_SHIFT; if (flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS && !(flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) && adev->mc.visible_vram_size < adev->mc.real_vram_size) { places[c].fpfn = visible_pfn; - places[c].lpfn = 0; + places[c].lpfn = lpfn; places[c].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM | TTM_PL_FLAG_TOPDOWN; @@ -134,7 +139,7 @@ static void amdgpu_ttm_placement_init(struct amdgpu_device *adev, } places[c].fpfn = 0; - places[c].lpfn = 0; + places[c].lpfn = lpfn; places[c].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM; if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) -- 2.5.0 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
