> -----Original Message----- > From: Roger.He [mailto:Hongbo.He at amd.com] > Sent: Monday, March 27, 2017 9:52 PM > To: amd-gfx at lists.freedesktop.org > Cc: Deucher, Alexander; He, Hongbo > Subject: [PATCH 1/2] drm/amd/amdgpu: fix performance drop when VRAM > pressure > > When VRAM pressue and trigger huge evictions there is performance drop, > this patch fix it. > > Change-Id: Idcd2db65be69d62bcbd7dfaa3bcf9bc964d6d122 > Signed-off-by: Roger.He <Hongbo.He at amd.com> > Reviewed-by: Christian König <christian.koenig at amd.com> Reviewed-by: Alex Deucher <alexander.deucher at amd.com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c > index 434c931..d6b2de9 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c > @@ -405,10 +405,8 @@ int amdgpu_bo_create_restricted(struct > amdgpu_device *adev, > if (unlikely(r != 0)) > return r; > > - bo->tbo.priority = ilog2(bo->tbo.num_pages); > if (kernel) > - bo->tbo.priority *= 2; > - bo->tbo.priority = min(bo->tbo.priority, TTM_MAX_BO_PRIORITY - > 1); > + bo->tbo.priority = 1; > > if (flags & AMDGPU_GEM_CREATE_VRAM_CLEARED && > bo->tbo.mem.placement & TTM_PL_FLAG_VRAM) { > -- > 2.7.4
