1caab277bSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 2cf3a7e4cSRob Clark /* 3cf3a7e4cSRob Clark * Copyright (C) 2014 Red Hat 4cf3a7e4cSRob Clark * Author: Rob Clark <robdclark@gmail.com> 5cf3a7e4cSRob Clark */ 6cf3a7e4cSRob Clark 772fdb40cSDaniel Vetter #include <drm/drm_atomic_uapi.h> 8e78ad765SDaniel Vetter #include <drm/drm_gem_framebuffer_helper.h> 9feea39a8SSam Ravnborg #include <drm/drm_vblank.h> 1072fdb40cSDaniel Vetter 11cf3a7e4cSRob Clark #include "msm_drv.h" 12db8f4d5dSSean Paul #include "msm_gem.h" 13cf3a7e4cSRob Clark #include "msm_kms.h" 14cf3a7e4cSRob Clark 15db8f4d5dSSean Paul int msm_atomic_prepare_fb(struct drm_plane *plane, 16db8f4d5dSSean Paul struct drm_plane_state *new_state) 17db8f4d5dSSean Paul { 18db8f4d5dSSean Paul struct msm_drm_private *priv = plane->dev->dev_private; 19db8f4d5dSSean Paul struct msm_kms *kms = priv->kms; 20db8f4d5dSSean Paul 21db8f4d5dSSean Paul if (!new_state->fb) 22db8f4d5dSSean Paul return 0; 23db8f4d5dSSean Paul 24e78ad765SDaniel Vetter drm_gem_fb_prepare_fb(plane, new_state); 25db8f4d5dSSean Paul 26db8f4d5dSSean Paul return msm_framebuffer_prepare(new_state->fb, kms->aspace); 27db8f4d5dSSean Paul } 28db8f4d5dSSean Paul 29d4d2c604SRob Clark /* Get bitmask of crtcs that will need to be flushed. The bitmask 30d4d2c604SRob Clark * can be used with for_each_crtc_mask() iterator, to iterate 31d4d2c604SRob Clark * effected crtcs without needing to preserve the atomic state. 32d4d2c604SRob Clark */ 33d4d2c604SRob Clark static unsigned get_crtc_mask(struct drm_atomic_state *state) 34d4d2c604SRob Clark { 35d4d2c604SRob Clark struct drm_crtc_state *crtc_state; 36d4d2c604SRob Clark struct drm_crtc *crtc; 37d4d2c604SRob Clark unsigned i, mask = 0; 38d4d2c604SRob Clark 39d4d2c604SRob Clark for_each_new_crtc_in_state(state, crtc, crtc_state, i) 40d4d2c604SRob Clark mask |= drm_crtc_mask(crtc); 41d4d2c604SRob Clark 42d4d2c604SRob Clark return mask; 43d4d2c604SRob Clark } 44d4d2c604SRob Clark 45d14659f5SSean Paul void msm_atomic_commit_tail(struct drm_atomic_state *state) 46cf3a7e4cSRob Clark { 47cf3a7e4cSRob Clark struct drm_device *dev = state->dev; 480b776d45SRob Clark struct msm_drm_private *priv = dev->dev_private; 490b776d45SRob Clark struct msm_kms *kms = priv->kms; 50d4d2c604SRob Clark unsigned crtc_mask = get_crtc_mask(state); 510b776d45SRob Clark 52*e35a29d5SRob Clark kms->funcs->enable_commit(kms); 530b776d45SRob Clark kms->funcs->prepare_commit(kms, state); 54cf3a7e4cSRob Clark 559f6b6564SRob Clark /* 569f6b6564SRob Clark * Push atomic updates down to hardware: 579f6b6564SRob Clark */ 581af434a9SDaniel Vetter drm_atomic_helper_commit_modeset_disables(dev, state); 592b58e98dSLiu Ying drm_atomic_helper_commit_planes(dev, state, 0); 601af434a9SDaniel Vetter drm_atomic_helper_commit_modeset_enables(dev, state); 61cf3a7e4cSRob Clark 629f6b6564SRob Clark /* 639f6b6564SRob Clark * Flush hardware updates: 649f6b6564SRob Clark */ 652b7ac1a8SJeykumar Sankaran if (kms->funcs->commit) { 662b7ac1a8SJeykumar Sankaran DRM_DEBUG_ATOMIC("triggering commit\n"); 672b7ac1a8SJeykumar Sankaran kms->funcs->commit(kms, state); 682b7ac1a8SJeykumar Sankaran } 699f6b6564SRob Clark kms->funcs->flush_commit(kms, crtc_mask); 702b7ac1a8SJeykumar Sankaran 71d4d2c604SRob Clark kms->funcs->wait_flush(kms, crtc_mask); 7280b4b4a7SRob Clark kms->funcs->complete_commit(kms, crtc_mask); 73*e35a29d5SRob Clark kms->funcs->disable_commit(kms); 7470db18dcSSean Paul 7570db18dcSSean Paul drm_atomic_helper_commit_hw_done(state); 7670db18dcSSean Paul 7770db18dcSSean Paul drm_atomic_helper_cleanup_planes(dev, state); 78347b90b4SSean Paul } 79