From 3fd4b751c5409f4b9bf67d12b26356406b2af94c Mon Sep 17 00:00:00 2001 From: Michel Dänzer Date: Thu, 4 Aug 2016 12:39:38 +0900 Subject: drm/amdgpu: Set MASTER_UPDATE_MODE to 0 again MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit With the previous change, it's safe to let page flips take effect anytime during a vertical blank period. This can avoid delaying a flip by a frame in some cases where we get to amdgpu_flip_work_func -> adev->mode_info.funcs->page_flip during a vertical blank period. Acked-by: Christian König Signed-off-by: Michel Dänzer Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/dce_v8_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index 7badb0022a5e..9fcf74032885 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -2183,8 +2183,8 @@ static int dce_v8_0_crtc_do_set_base(struct drm_crtc *crtc, WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset, (viewport_w << 16) | viewport_h); - /* set pageflip to happen only at start of vblank interval (front porch) */ - WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 3); + /* set pageflip to happen anywhere in vblank interval */ + WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0); if (!atomic && fb && fb != crtc->primary->fb) { amdgpu_fb = to_amdgpu_framebuffer(fb); -- cgit v1.2.3-70-g09d2