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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ce7d93aa2a
Use the drm_panel_get_modes() function. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Marek Vasut <marex@denx.de> Acked-by: Stefan Agner <stefan@agner.ch> Reviewed-by: Emil Velikov <emil.velikov@collabora.com> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: NXP Linux Team <linux-imx@nxp.com> Cc: linux-arm-kernel@lists.infradead.org Link: https://patchwork.freedesktop.org/patch/msgid/20190804201637.1240-8-sam@ravnborg.org
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2016 Marek Vasut <marex@denx.de>
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*/
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#include <linux/of_graph.h>
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#include <drm/drm_atomic.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_fb_cma_helper.h>
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#include <drm/drm_gem_cma_helper.h>
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#include <drm/drm_of.h>
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#include <drm/drm_panel.h>
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#include <drm/drm_plane_helper.h>
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#include <drm/drm_probe_helper.h>
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#include <drm/drm_simple_kms_helper.h>
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#include "mxsfb_drv.h"
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static struct mxsfb_drm_private *
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drm_connector_to_mxsfb_drm_private(struct drm_connector *connector)
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{
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return container_of(connector, struct mxsfb_drm_private, connector);
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}
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static int mxsfb_panel_get_modes(struct drm_connector *connector)
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{
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struct mxsfb_drm_private *mxsfb =
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drm_connector_to_mxsfb_drm_private(connector);
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if (mxsfb->panel)
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return drm_panel_get_modes(mxsfb->panel);
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return 0;
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}
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static const struct
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drm_connector_helper_funcs mxsfb_panel_connector_helper_funcs = {
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.get_modes = mxsfb_panel_get_modes,
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};
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static enum drm_connector_status
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mxsfb_panel_connector_detect(struct drm_connector *connector, bool force)
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{
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struct mxsfb_drm_private *mxsfb =
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drm_connector_to_mxsfb_drm_private(connector);
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if (mxsfb->panel)
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return connector_status_connected;
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return connector_status_disconnected;
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}
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static void mxsfb_panel_connector_destroy(struct drm_connector *connector)
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{
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struct mxsfb_drm_private *mxsfb =
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drm_connector_to_mxsfb_drm_private(connector);
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if (mxsfb->panel)
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drm_panel_detach(mxsfb->panel);
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drm_connector_unregister(connector);
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drm_connector_cleanup(connector);
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}
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static const struct drm_connector_funcs mxsfb_panel_connector_funcs = {
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.detect = mxsfb_panel_connector_detect,
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.fill_modes = drm_helper_probe_single_connector_modes,
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.destroy = mxsfb_panel_connector_destroy,
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.reset = drm_atomic_helper_connector_reset,
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.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
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.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
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};
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int mxsfb_create_output(struct drm_device *drm)
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{
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struct mxsfb_drm_private *mxsfb = drm->dev_private;
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struct drm_panel *panel;
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int ret;
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ret = drm_of_find_panel_or_bridge(drm->dev->of_node, 0, 0, &panel, NULL);
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if (ret)
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return ret;
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mxsfb->connector.dpms = DRM_MODE_DPMS_OFF;
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mxsfb->connector.polled = 0;
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drm_connector_helper_add(&mxsfb->connector,
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&mxsfb_panel_connector_helper_funcs);
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ret = drm_connector_init(drm, &mxsfb->connector,
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&mxsfb_panel_connector_funcs,
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DRM_MODE_CONNECTOR_Unknown);
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if (!ret)
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mxsfb->panel = panel;
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return ret;
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}
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