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 18*72fdb40cSDaniel Vetter #include <drm/drm_atomic_uapi.h> 19*72fdb40cSDaniel Vetter 20cf3a7e4cSRob Clark #include "msm_drv.h" 21db8f4d5dSSean Paul #include "msm_gem.h" 22cf3a7e4cSRob Clark #include "msm_kms.h" 23cf3a7e4cSRob Clark 240a5c9aadSHai Li static void msm_atomic_wait_for_commit_done(struct drm_device *dev, 250a5c9aadSHai Li struct drm_atomic_state *old_state) 260a5c9aadSHai Li { 270a5c9aadSHai Li struct drm_crtc *crtc; 28d7429669SMaarten Lankhorst struct drm_crtc_state *new_crtc_state; 290a5c9aadSHai Li struct msm_drm_private *priv = old_state->dev->dev_private; 300a5c9aadSHai Li struct msm_kms *kms = priv->kms; 310a5c9aadSHai Li int i; 320a5c9aadSHai Li 33d7429669SMaarten Lankhorst for_each_new_crtc_in_state(old_state, crtc, new_crtc_state, i) { 34d7429669SMaarten Lankhorst if (!new_crtc_state->active) 350a5c9aadSHai Li continue; 360a5c9aadSHai Li 370a5c9aadSHai Li kms->funcs->wait_for_crtc_commit_done(kms, crtc); 380a5c9aadSHai Li } 390a5c9aadSHai Li } 400a5c9aadSHai Li 41db8f4d5dSSean Paul int msm_atomic_prepare_fb(struct drm_plane *plane, 42db8f4d5dSSean Paul struct drm_plane_state *new_state) 43db8f4d5dSSean Paul { 44db8f4d5dSSean Paul struct msm_drm_private *priv = plane->dev->dev_private; 45db8f4d5dSSean Paul struct msm_kms *kms = priv->kms; 46db8f4d5dSSean Paul struct drm_gem_object *obj; 47db8f4d5dSSean Paul struct msm_gem_object *msm_obj; 48db8f4d5dSSean Paul struct dma_fence *fence; 49db8f4d5dSSean Paul 50db8f4d5dSSean Paul if (!new_state->fb) 51db8f4d5dSSean Paul return 0; 52db8f4d5dSSean Paul 53db8f4d5dSSean Paul obj = msm_framebuffer_bo(new_state->fb, 0); 54db8f4d5dSSean Paul msm_obj = to_msm_bo(obj); 55db8f4d5dSSean Paul fence = reservation_object_get_excl_rcu(msm_obj->resv); 56db8f4d5dSSean Paul 57db8f4d5dSSean Paul drm_atomic_set_fence_for_plane(new_state, fence); 58db8f4d5dSSean Paul 59db8f4d5dSSean Paul return msm_framebuffer_prepare(new_state->fb, kms->aspace); 60db8f4d5dSSean Paul } 61db8f4d5dSSean Paul 62d14659f5SSean Paul void msm_atomic_commit_tail(struct drm_atomic_state *state) 63cf3a7e4cSRob Clark { 64cf3a7e4cSRob Clark struct drm_device *dev = state->dev; 650b776d45SRob Clark struct msm_drm_private *priv = dev->dev_private; 660b776d45SRob Clark struct msm_kms *kms = priv->kms; 670b776d45SRob Clark 680b776d45SRob Clark kms->funcs->prepare_commit(kms, state); 69cf3a7e4cSRob Clark 701af434a9SDaniel Vetter drm_atomic_helper_commit_modeset_disables(dev, state); 71cf3a7e4cSRob Clark 722b58e98dSLiu Ying drm_atomic_helper_commit_planes(dev, state, 0); 73cf3a7e4cSRob Clark 741af434a9SDaniel Vetter drm_atomic_helper_commit_modeset_enables(dev, state); 75cf3a7e4cSRob Clark 762b7ac1a8SJeykumar Sankaran if (kms->funcs->commit) { 772b7ac1a8SJeykumar Sankaran DRM_DEBUG_ATOMIC("triggering commit\n"); 782b7ac1a8SJeykumar Sankaran kms->funcs->commit(kms, state); 792b7ac1a8SJeykumar Sankaran } 802b7ac1a8SJeykumar Sankaran 810a5c9aadSHai Li msm_atomic_wait_for_commit_done(dev, state); 82cf3a7e4cSRob Clark 830b776d45SRob Clark kms->funcs->complete_commit(kms, state); 8470db18dcSSean Paul 8570db18dcSSean Paul drm_atomic_helper_commit_hw_done(state); 8670db18dcSSean Paul 8770db18dcSSean Paul drm_atomic_helper_cleanup_planes(dev, state); 88347b90b4SSean Paul } 89