diff options
| author | Pixel Ding <Pixel.Ding@amd.com> | 2017-01-24 11:39:48 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-03-29 23:52:40 -0400 |
| commit | cbabc8b343953e7bc6d70b5a22aaebbd73ae9934 (patch) | |
| tree | a75441cb274ebeaf34f7bb130ee6444f1a0060e8 /drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | |
| parent | 9bc92b9c8d0919b61660300249fa67e291ae0ecc (diff) | |
| download | lwn-cbabc8b343953e7bc6d70b5a22aaebbd73ae9934.tar.gz lwn-cbabc8b343953e7bc6d70b5a22aaebbd73ae9934.zip | |
drm/amdgpu: clean framebuffer with GPU
CPU is not efficient to clean framebuffer especially under
virtualization, then loading driver takes long time which causes
timeout of mailbox handshake.
Signed-off-by: Pixel Ding <Pixel.Ding@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c index 72505b15dd13..bab109e46d22 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c @@ -147,7 +147,8 @@ static int amdgpufb_create_pinned_object(struct amdgpu_fbdev *rfbdev, ret = amdgpu_gem_object_create(adev, aligned_size, 0, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | - AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, + AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS | + AMDGPU_GEM_CREATE_VRAM_CLEARED, true, &gobj); if (ret) { printk(KERN_ERR "failed to allocate framebuffer (%d)\n", @@ -241,8 +242,6 @@ static int amdgpufb_create(struct drm_fb_helper *helper, /* setup helper */ rfbdev->helper.fb = fb; - memset_io(abo->kptr, 0x0, amdgpu_bo_size(abo)); - strcpy(info->fix.id, "amdgpudrmfb"); drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth); |