From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Mon, 13 May 2024 10:30:14 +0000 Subject: [PATCH] modify sin led gpio --- kernel/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 80 +++++++++++---------------------------- 1 files changed, 23 insertions(+), 57 deletions(-) diff --git a/kernel/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/kernel/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c index 744956c..376a05d 100644 --- a/kernel/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c +++ b/kernel/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Hisilicon Hibmc SoC drm driver * * Based on the bochs drm driver. @@ -8,23 +9,25 @@ * Rongrong Zou <zourongrong@huawei.com> * Rongrong Zou <zourongrong@gmail.com> * Jianhua Li <lijianhua@huawei.com> - * - * 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. - * */ #include <drm/drm_atomic_helper.h> -#include <drm/drm_crtc_helper.h> +#include <drm/drm_probe_helper.h> +#include <drm/drm_print.h> #include "hibmc_drm_drv.h" #include "hibmc_drm_regs.h" static int hibmc_connector_get_modes(struct drm_connector *connector) { - return drm_add_modes_noedid(connector, 800, 600); + int count; + + count = drm_add_modes_noedid(connector, + connector->dev->mode_config.max_width, + connector->dev->mode_config.max_height); + drm_set_preferred_mode(connector, 1024, 768); + + return count; } static enum drm_mode_status hibmc_connector_mode_valid(struct drm_connector *connector, @@ -33,17 +36,10 @@ return MODE_OK; } -static struct drm_encoder * -hibmc_connector_best_encoder(struct drm_connector *connector) -{ - return drm_encoder_find(connector->dev, NULL, connector->encoder_ids[0]); -} - static const struct drm_connector_helper_funcs hibmc_connector_helper_funcs = { .get_modes = hibmc_connector_get_modes, .mode_valid = hibmc_connector_mode_valid, - .best_encoder = hibmc_connector_best_encoder, }; static const struct drm_connector_funcs hibmc_connector_funcs = { @@ -53,32 +49,6 @@ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; - -static struct drm_connector * -hibmc_connector_init(struct hibmc_drm_private *priv) -{ - struct drm_device *dev = priv->dev; - struct drm_connector *connector; - int ret; - - connector = devm_kzalloc(dev->dev, sizeof(*connector), GFP_KERNEL); - if (!connector) { - DRM_ERROR("failed to alloc memory when init connector\n"); - return ERR_PTR(-ENOMEM); - } - - ret = drm_connector_init(dev, connector, - &hibmc_connector_funcs, - DRM_MODE_CONNECTOR_VGA); - if (ret) { - DRM_ERROR("failed to init connector: %d\n", ret); - return ERR_PTR(ret); - } - drm_connector_helper_add(connector, - &hibmc_connector_helper_funcs); - - return connector; -} static void hibmc_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, @@ -107,32 +77,28 @@ int hibmc_vdac_init(struct hibmc_drm_private *priv) { struct drm_device *dev = priv->dev; - struct drm_encoder *encoder; - struct drm_connector *connector; + struct drm_encoder *encoder = &priv->encoder; + struct drm_connector *connector = &priv->connector; int ret; - - connector = hibmc_connector_init(priv); - if (IS_ERR(connector)) { - DRM_ERROR("failed to create connector: %ld\n", - PTR_ERR(connector)); - return PTR_ERR(connector); - } - - encoder = devm_kzalloc(dev->dev, sizeof(*encoder), GFP_KERNEL); - if (!encoder) { - DRM_ERROR("failed to alloc memory when init encoder\n"); - return -ENOMEM; - } encoder->possible_crtcs = 0x1; ret = drm_encoder_init(dev, encoder, &hibmc_encoder_funcs, DRM_MODE_ENCODER_DAC, NULL); if (ret) { - DRM_ERROR("failed to init encoder: %d\n", ret); + drm_err(dev, "failed to init encoder: %d\n", ret); return ret; } drm_encoder_helper_add(encoder, &hibmc_encoder_helper_funcs); + + ret = drm_connector_init(dev, connector, &hibmc_connector_funcs, + DRM_MODE_CONNECTOR_VGA); + if (ret) { + drm_err(dev, "failed to init connector: %d\n", ret); + return ret; + } + drm_connector_helper_add(connector, &hibmc_connector_helper_funcs); + drm_connector_attach_encoder(connector, encoder); return 0; -- Gitblit v1.6.2