cregit-Linux how code gets into the kernel

Release 4.12 drivers/gpu/drm/mxsfb/mxsfb_out.c

/*
 * Copyright (C) 2016 Marek Vasut <marex@denx.de>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/of_graph.h>

#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_simple_kms_helper.h>
#include <drm/drmP.h>

#include "mxsfb_drv.h"


static struct mxsfb_drm_private * drm_connector_to_mxsfb_drm_private(struct drm_connector *connector) { return container_of(connector, struct mxsfb_drm_private, connector); }

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Marek Vašut24100.00%1100.00%
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static int mxsfb_panel_get_modes(struct drm_connector *connector) { struct mxsfb_drm_private *mxsfb = drm_connector_to_mxsfb_drm_private(connector); if (mxsfb->panel) return mxsfb->panel->funcs->get_modes(mxsfb->panel); return 0; }

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Marek Vašut44100.00%1100.00%
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static const struct drm_connector_helper_funcs mxsfb_panel_connector_helper_funcs = { .get_modes = mxsfb_panel_get_modes, };
static enum drm_connector_status mxsfb_panel_connector_detect(struct drm_connector *connector, bool force) { struct mxsfb_drm_private *mxsfb = drm_connector_to_mxsfb_drm_private(connector); if (mxsfb->panel) return connector_status_connected; return connector_status_disconnected; }

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Marek Vašut37100.00%1100.00%
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static void mxsfb_panel_connector_destroy(struct drm_connector *connector) { struct mxsfb_drm_private *mxsfb = drm_connector_to_mxsfb_drm_private(connector); if (mxsfb->panel) drm_panel_detach(mxsfb->panel); drm_connector_unregister(connector); drm_connector_cleanup(connector); }

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Marek Vašut44100.00%1100.00%
Total44100.00%1100.00%

static const struct drm_connector_funcs mxsfb_panel_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .detect = mxsfb_panel_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = mxsfb_panel_connector_destroy, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, };
int mxsfb_create_output(struct drm_device *drm) { struct mxsfb_drm_private *mxsfb = drm->dev_private; struct drm_panel *panel; int ret; ret = drm_of_find_panel_or_bridge(drm->dev->of_node, 0, 0, &panel, NULL); if (ret) return ret; mxsfb->connector.dpms = DRM_MODE_DPMS_OFF; mxsfb->connector.polled = 0; drm_connector_helper_add(&mxsfb->connector, &mxsfb_panel_connector_helper_funcs); ret = drm_connector_init(drm, &mxsfb->connector, &mxsfb_panel_connector_funcs, DRM_MODE_CONNECTOR_Unknown); if (!ret) mxsfb->panel = panel; return ret; }

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Marek Vašut9584.82%150.00%
Rob Herring1715.18%150.00%
Total112100.00%2100.00%


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Marek Vašut33794.40%150.00%
Rob Herring205.60%150.00%
Total357100.00%2100.00%
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