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:[email protected]] On Behalf Of Xiangliang Yu Sent: Thursday, May 04, 2017 2:34 PM To: [email protected] Cc: Ding, Pixel <[email protected]>; Yu, Xiangliang <[email protected]> Subject: [PATCH 3/6] drm/amdgpu: don't clean the framebuffer for VF From: Pixel Ding <[email protected]> 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 <[email protected]> Signed-off-by: Xiangliang Yu <[email protected]> --- 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 [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
