Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_modeset_helper_vtables.h>
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#include <drm/drm_print.h>
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#include <drm/drm_probe_helper.h>
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#include "mgag200_ddc.h"
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#include "mgag200_drv.h"
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static const struct drm_encoder_funcs mgag200_dac_encoder_funcs = {
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.destroy = drm_encoder_cleanup
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};
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static const struct drm_connector_helper_funcs mgag200_vga_connector_helper_funcs = {
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.get_modes = drm_connector_helper_get_modes,
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.detect_ctx = drm_connector_helper_detect_from_ddc
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};
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static const struct drm_connector_funcs mgag200_vga_connector_funcs = {
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.reset = drm_atomic_helper_connector_reset,
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.fill_modes = drm_helper_probe_single_connector_modes,
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.destroy = drm_connector_cleanup,
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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 mgag200_vga_output_init(struct mga_device *mdev)
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{
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struct drm_device *dev = &mdev->base;
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struct drm_crtc *crtc = &mdev->crtc;
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struct drm_encoder *encoder;
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struct drm_connector *connector;
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struct i2c_adapter *ddc;
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int ret;
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encoder = &mdev->output.vga.encoder;
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ret = drm_encoder_init(dev, encoder, &mgag200_dac_encoder_funcs,
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DRM_MODE_ENCODER_DAC, NULL);
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if (ret) {
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drm_err(dev, "drm_encoder_init() failed: %d\n", ret);
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return ret;
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}
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encoder->possible_crtcs = drm_crtc_mask(crtc);
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ddc = mgag200_ddc_create(mdev);
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if (IS_ERR(ddc)) {
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ret = PTR_ERR(ddc);
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drm_err(dev, "failed to add DDC bus: %d\n", ret);
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return ret;
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}
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connector = &mdev->output.vga.connector;
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ret = drm_connector_init_with_ddc(dev, connector,
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&mgag200_vga_connector_funcs,
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DRM_MODE_CONNECTOR_VGA, ddc);
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if (ret) {
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drm_err(dev, "drm_connector_init_with_ddc() failed: %d\n", ret);
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return ret;
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}
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drm_connector_helper_add(connector, &mgag200_vga_connector_helper_funcs);
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connector->polled = DRM_CONNECTOR_POLL_CONNECT |
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DRM_CONNECTOR_POLL_DISCONNECT;
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ret = drm_connector_attach_encoder(connector, encoder);
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if (ret) {
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drm_err(dev, "drm_connector_attach_encoder() failed: %d\n", ret);
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return ret;
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}
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return 0;
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}
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