This patch is not necessary since FB is already cleaned by GPU. â?? Sincerely Yours, Pixel On 04/05/2017, 3:30 PM, "Liu, Monk" <Monk.Liu at amd.com> wrote: >NAK > >This behavior that Hypervisor cleans framebuffer for each VF is only on AWS, >Regular GIM doesn't clean framebuffer after FLR, so guest driver still need this cleaning, > >Please keep this patch in your AWS branch only. > >BR Monk > >-----Original Message----- >From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf Of Xiangliang Yu >Sent: Thursday, May 04, 2017 2:34 PM >To: amd-gfx at lists.freedesktop.org >Cc: Ding, Pixel <Pixel.Ding at amd.com>; Yu, Xiangliang <Xiangliang.Yu at amd.com> >Subject: [PATCH 3/6] drm/amdgpu: don't clean the framebuffer for VF > >From: Pixel Ding <Pixel.Ding at amd.com> > >The SRIOV host driver cleans framebuffer for each VF, guest driver needn't this action which costs much time on some virtualization platform, otherwise it might get timeout to initialize. > >Signed-off-by: Pixel Ding <Pixel.Ding at amd.com> >Signed-off-by: Xiangliang Yu <Xiangliang.Yu at amd.com> >--- > drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 3 +++ > 1 file changed, 3 insertions(+) > >diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c >index e869e60..6f5d994 100644 >--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c >+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c >@@ -242,6 +242,9 @@ static int amdgpufb_create(struct drm_fb_helper *helper, > /* setup helper */ > rfbdev->helper.fb = fb; > >+ if (!amdgpu_sriov_vf(adev)) >+ memset_io(abo->kptr, 0x0, amdgpu_bo_size(abo)); >+ > strcpy(info->fix.id, "amdgpudrmfb"); > > drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); >-- >2.7.4 > >_______________________________________________ >amd-gfx mailing list >amd-gfx at lists.freedesktop.org >https://lists.freedesktop.org/mailman/listinfo/amd-gfx
