1cf3a7e4cSRob Clark /* 2cf3a7e4cSRob Clark * Copyright (C) 2014 Red Hat 3cf3a7e4cSRob Clark * Author: Rob Clark <robdclark@gmail.com> 4cf3a7e4cSRob Clark * 5cf3a7e4cSRob Clark * This program is free software; you can redistribute it and/or modify it 6cf3a7e4cSRob Clark * under the terms of the GNU General Public License version 2 as published by 7cf3a7e4cSRob Clark * the Free Software Foundation. 8cf3a7e4cSRob Clark * 9cf3a7e4cSRob Clark * This program is distributed in the hope that it will be useful, but WITHOUT 10cf3a7e4cSRob Clark * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11cf3a7e4cSRob Clark * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12cf3a7e4cSRob Clark * more details. 13cf3a7e4cSRob Clark * 14cf3a7e4cSRob Clark * You should have received a copy of the GNU General Public License along with 15cf3a7e4cSRob Clark * this program. If not, see <http://www.gnu.org/licenses/>. 16cf3a7e4cSRob Clark */ 17cf3a7e4cSRob Clark 18cf3a7e4cSRob Clark #include "msm_drv.h" 19db8f4d5dSSean Paul #include "msm_gem.h" 20cf3a7e4cSRob Clark #include "msm_kms.h" 21cf3a7e4cSRob Clark 220a5c9aadSHai Li static void msm_atomic_wait_for_commit_done(struct drm_device *dev, 230a5c9aadSHai Li struct drm_atomic_state *old_state) 240a5c9aadSHai Li { 250a5c9aadSHai Li struct drm_crtc *crtc; 26d7429669SMaarten Lankhorst struct drm_crtc_state *new_crtc_state; 270a5c9aadSHai Li struct msm_drm_private *priv = old_state->dev->dev_private; 280a5c9aadSHai Li struct msm_kms *kms = priv->kms; 290a5c9aadSHai Li int i; 300a5c9aadSHai Li 31d7429669SMaarten Lankhorst for_each_new_crtc_in_state(old_state, crtc, new_crtc_state, i) { 32d7429669SMaarten Lankhorst if (!new_crtc_state->active) 330a5c9aadSHai Li continue; 340a5c9aadSHai Li 350a5c9aadSHai Li kms->funcs->wait_for_crtc_commit_done(kms, crtc); 360a5c9aadSHai Li } 370a5c9aadSHai Li } 380a5c9aadSHai Li 39db8f4d5dSSean Paul int msm_atomic_prepare_fb(struct drm_plane *plane, 40db8f4d5dSSean Paul struct drm_plane_state *new_state) 41db8f4d5dSSean Paul { 42db8f4d5dSSean Paul struct msm_drm_private *priv = plane->dev->dev_private; 43db8f4d5dSSean Paul struct msm_kms *kms = priv->kms; 44db8f4d5dSSean Paul struct drm_gem_object *obj; 45db8f4d5dSSean Paul struct msm_gem_object *msm_obj; 46db8f4d5dSSean Paul struct dma_fence *fence; 47db8f4d5dSSean Paul 48db8f4d5dSSean Paul if (!new_state->fb) 49db8f4d5dSSean Paul return 0; 50db8f4d5dSSean Paul 51db8f4d5dSSean Paul obj = msm_framebuffer_bo(new_state->fb, 0); 52db8f4d5dSSean Paul msm_obj = to_msm_bo(obj); 53db8f4d5dSSean Paul fence = reservation_object_get_excl_rcu(msm_obj->resv); 54db8f4d5dSSean Paul 55db8f4d5dSSean Paul drm_atomic_set_fence_for_plane(new_state, fence); 56db8f4d5dSSean Paul 57db8f4d5dSSean Paul return msm_framebuffer_prepare(new_state->fb, kms->aspace); 58db8f4d5dSSean Paul } 59db8f4d5dSSean Paul 60*d14659f5SSean Paul void msm_atomic_commit_tail(struct drm_atomic_state *state) 61cf3a7e4cSRob Clark { 62cf3a7e4cSRob Clark struct drm_device *dev = state->dev; 630b776d45SRob Clark struct msm_drm_private *priv = dev->dev_private; 640b776d45SRob Clark struct msm_kms *kms = priv->kms; 650b776d45SRob Clark 660b776d45SRob Clark kms->funcs->prepare_commit(kms, state); 67cf3a7e4cSRob Clark 681af434a9SDaniel Vetter drm_atomic_helper_commit_modeset_disables(dev, state); 69cf3a7e4cSRob Clark 702b58e98dSLiu Ying drm_atomic_helper_commit_planes(dev, state, 0); 71cf3a7e4cSRob Clark 721af434a9SDaniel Vetter drm_atomic_helper_commit_modeset_enables(dev, state); 73cf3a7e4cSRob Clark 740a5c9aadSHai Li msm_atomic_wait_for_commit_done(dev, state); 75cf3a7e4cSRob Clark 760b776d45SRob Clark kms->funcs->complete_commit(kms, state); 7770db18dcSSean Paul 7870db18dcSSean Paul drm_atomic_helper_wait_for_vblanks(dev, state); 7970db18dcSSean Paul 8070db18dcSSean Paul drm_atomic_helper_commit_hw_done(state); 8170db18dcSSean Paul 8270db18dcSSean Paul drm_atomic_helper_cleanup_planes(dev, state); 83347b90b4SSean Paul } 84