80b4b4a703
Prep work for async commits, in which case this will be called after we no longer have the atomic state object. This drops some wait_for_vblanks(), but those should be unnecessary, as we call this after waiting for flush to complete. Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Sean Paul <sean@poorly.run>
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2014 Red Hat
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* Author: Rob Clark <robdclark@gmail.com>
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*/
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#include <drm/drm_atomic_uapi.h>
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#include <drm/drm_gem_framebuffer_helper.h>
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#include <drm/drm_vblank.h>
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#include "msm_drv.h"
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#include "msm_gem.h"
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#include "msm_kms.h"
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int msm_atomic_prepare_fb(struct drm_plane *plane,
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struct drm_plane_state *new_state)
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{
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struct msm_drm_private *priv = plane->dev->dev_private;
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struct msm_kms *kms = priv->kms;
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if (!new_state->fb)
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return 0;
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drm_gem_fb_prepare_fb(plane, new_state);
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return msm_framebuffer_prepare(new_state->fb, kms->aspace);
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}
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/* Get bitmask of crtcs that will need to be flushed. The bitmask
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* can be used with for_each_crtc_mask() iterator, to iterate
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* effected crtcs without needing to preserve the atomic state.
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*/
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static unsigned get_crtc_mask(struct drm_atomic_state *state)
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{
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struct drm_crtc_state *crtc_state;
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struct drm_crtc *crtc;
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unsigned i, mask = 0;
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for_each_new_crtc_in_state(state, crtc, crtc_state, i)
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mask |= drm_crtc_mask(crtc);
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return mask;
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}
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void msm_atomic_commit_tail(struct drm_atomic_state *state)
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{
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struct drm_device *dev = state->dev;
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struct msm_drm_private *priv = dev->dev_private;
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struct msm_kms *kms = priv->kms;
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unsigned crtc_mask = get_crtc_mask(state);
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kms->funcs->prepare_commit(kms, state);
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drm_atomic_helper_commit_modeset_disables(dev, state);
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drm_atomic_helper_commit_planes(dev, state, 0);
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drm_atomic_helper_commit_modeset_enables(dev, state);
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if (kms->funcs->commit) {
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DRM_DEBUG_ATOMIC("triggering commit\n");
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kms->funcs->commit(kms, state);
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}
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kms->funcs->wait_flush(kms, crtc_mask);
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kms->funcs->complete_commit(kms, crtc_mask);
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drm_atomic_helper_commit_hw_done(state);
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drm_atomic_helper_cleanup_planes(dev, state);
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}
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