diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.c | 149 |
1 files changed, 56 insertions, 93 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 2c75e789b2a7..6cc7bf77bcac 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -1,39 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2011 Samsung Electronics Co., Ltd. * Authors: * Inki Dae <inki.dae@samsung.com> * Joonyoung Shim <jy0922.shim@samsung.com> * Seung-Woo Kim <sw0312.kim@samsung.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 <linux/component.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> #include <linux/pm_runtime.h> -#include <drm/drmP.h> +#include <linux/uaccess.h> + +#include <drm/clients/drm_client_setup.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> -#include <drm/drm_crtc_helper.h> -#include <drm/drm_fb_helper.h> - -#include <linux/component.h> - +#include <drm/drm_drv.h> +#include <drm/drm_file.h> +#include <drm/drm_fourcc.h> +#include <drm/drm_ioctl.h> +#include <drm/drm_probe_helper.h> +#include <drm/drm_vblank.h> #include <drm/exynos_drm.h> #include "exynos_drm_drv.h" -#include "exynos_drm_fbdev.h" #include "exynos_drm_fb.h" +#include "exynos_drm_fbdev.h" +#include "exynos_drm_g2d.h" #include "exynos_drm_gem.h" -#include "exynos_drm_plane.h" #include "exynos_drm_ipp.h" +#include "exynos_drm_plane.h" #include "exynos_drm_vidi.h" -#include "exynos_drm_g2d.h" #define DRIVER_NAME "exynos" #define DRIVER_DESC "Samsung SoC DRM" -#define DRIVER_DATE "20180330" /* * Interface history: @@ -73,74 +74,49 @@ static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file) file->driver_priv = NULL; } -static const struct vm_operations_struct exynos_drm_gem_vm_ops = { - .fault = exynos_drm_gem_fault, - .open = drm_gem_vm_open, - .close = drm_gem_vm_close, -}; - static const struct drm_ioctl_desc exynos_ioctls[] = { DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE, exynos_drm_gem_create_ioctl, - DRM_AUTH | DRM_RENDER_ALLOW), + DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP, exynos_drm_gem_map_ioctl, - DRM_AUTH | DRM_RENDER_ALLOW), + DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET, exynos_drm_gem_get_ioctl, DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION, vidi_connection_ioctl, DRM_AUTH), DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER, exynos_g2d_get_ver_ioctl, - DRM_AUTH | DRM_RENDER_ALLOW), + DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST, exynos_g2d_set_cmdlist_ioctl, - DRM_AUTH | DRM_RENDER_ALLOW), + DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC, exynos_g2d_exec_ioctl, - DRM_AUTH | DRM_RENDER_ALLOW), + DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_RESOURCES, exynos_drm_ipp_get_res_ioctl, - DRM_AUTH | DRM_RENDER_ALLOW), + DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_CAPS, exynos_drm_ipp_get_caps_ioctl, - DRM_AUTH | DRM_RENDER_ALLOW), + DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_LIMITS, exynos_drm_ipp_get_limits_ioctl, - DRM_AUTH | DRM_RENDER_ALLOW), + DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(EXYNOS_IPP_COMMIT, exynos_drm_ipp_commit_ioctl, - DRM_AUTH | DRM_RENDER_ALLOW), + DRM_RENDER_ALLOW), }; -static const struct file_operations exynos_drm_driver_fops = { - .owner = THIS_MODULE, - .open = drm_open, - .mmap = exynos_drm_gem_mmap, - .poll = drm_poll, - .read = drm_read, - .unlocked_ioctl = drm_ioctl, - .compat_ioctl = drm_compat_ioctl, - .release = drm_release, -}; +DEFINE_DRM_GEM_FOPS(exynos_drm_driver_fops); -static struct drm_driver exynos_drm_driver = { - .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME +static const struct drm_driver exynos_drm_driver = { + .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC | DRIVER_RENDER, .open = exynos_drm_open, - .lastclose = drm_fb_helper_lastclose, .postclose = exynos_drm_postclose, - .gem_free_object_unlocked = exynos_drm_gem_free_object, - .gem_vm_ops = &exynos_drm_gem_vm_ops, .dumb_create = exynos_drm_gem_dumb_create, - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, - .gem_prime_export = drm_gem_prime_export, .gem_prime_import = exynos_drm_gem_prime_import, - .gem_prime_get_sg_table = exynos_drm_gem_prime_get_sg_table, .gem_prime_import_sg_table = exynos_drm_gem_prime_import_sg_table, - .gem_prime_vmap = exynos_drm_gem_prime_vmap, - .gem_prime_vunmap = exynos_drm_gem_prime_vunmap, - .gem_prime_mmap = exynos_drm_gem_prime_mmap, + EXYNOS_DRM_FBDEV_DRIVER_OPS, .ioctls = exynos_ioctls, .num_ioctls = ARRAY_SIZE(exynos_ioctls), .fops = &exynos_drm_driver_fops, .name = DRIVER_NAME, .desc = DRIVER_DESC, - .date = DRIVER_DATE, .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, }; @@ -196,15 +172,15 @@ static struct exynos_drm_driver_info exynos_drm_drivers[] = { DRV_PTR(mixer_driver, CONFIG_DRM_EXYNOS_MIXER), DRM_COMPONENT_DRIVER }, { - DRV_PTR(mic_driver, CONFIG_DRM_EXYNOS_MIC), - DRM_COMPONENT_DRIVER - }, { DRV_PTR(dp_driver, CONFIG_DRM_EXYNOS_DP), DRM_COMPONENT_DRIVER }, { DRV_PTR(dsi_driver, CONFIG_DRM_EXYNOS_DSI), DRM_COMPONENT_DRIVER }, { + DRV_PTR(mic_driver, CONFIG_DRM_EXYNOS_MIC), + DRM_COMPONENT_DRIVER + }, { DRV_PTR(hdmi_driver, CONFIG_DRM_EXYNOS_HDMI), DRM_COMPONENT_DRIVER }, { @@ -231,11 +207,6 @@ static struct exynos_drm_driver_info exynos_drm_drivers[] = { } }; -static int compare_dev(struct device *dev, void *data) -{ - return dev == (struct device *)data; -} - static struct component_match *exynos_drm_match_add(struct device *dev) { struct component_match *match = NULL; @@ -248,15 +219,12 @@ static struct component_match *exynos_drm_match_add(struct device *dev) if (!info->driver || !(info->flags & DRM_COMPONENT_DRIVER)) continue; - while ((d = bus_find_device(&platform_bus_type, p, - &info->driver->driver, - (void *)platform_bus_type.match))) { + while ((d = platform_find_device_by_driver(p, &info->driver->driver))) { put_device(p); if (!(info->flags & DRM_FIMC_DEVICE) || exynos_drm_check_fimc_device(d) == 0) - component_match_add(dev, &match, - compare_dev, d); + component_match_add(dev, &match, component_compare_dev, d); p = d; } put_device(p); @@ -271,7 +239,7 @@ static int exynos_drm_bind(struct device *dev) struct drm_encoder *encoder; struct drm_device *drm; unsigned int clone_mask; - int cnt, ret; + int ret; drm = drm_dev_alloc(&exynos_drm_driver, dev); if (IS_ERR(drm)) @@ -294,10 +262,9 @@ static int exynos_drm_bind(struct device *dev) exynos_drm_mode_config_init(drm); /* setup possible_clones. */ - cnt = 0; clone_mask = 0; list_for_each_entry(encoder, &drm->mode_config.encoder_list, head) - clone_mask |= (1 << (cnt++)); + clone_mask |= drm_encoder_mask(encoder); list_for_each_entry(encoder, &drm->mode_config.encoder_list, head) encoder->possible_clones = clone_mask; @@ -313,32 +280,18 @@ static int exynos_drm_bind(struct device *dev) drm_mode_config_reset(drm); - /* - * enable drm irq mode. - * - with irq_enabled = true, we can use the vblank feature. - * - * P.S. note that we wouldn't use drm irq handler but - * just specific driver own one instead because - * drm framework supports only one irq handler. - */ - drm->irq_enabled = true; - /* init kms poll for handling hpd */ drm_kms_helper_poll_init(drm); - ret = exynos_drm_fbdev_init(drm); - if (ret) - goto err_cleanup_poll; - /* register the DRM device */ ret = drm_dev_register(drm, 0); if (ret < 0) - goto err_cleanup_fbdev; + goto err_cleanup_poll; + + drm_client_setup(drm, NULL); return 0; -err_cleanup_fbdev: - exynos_drm_fbdev_fini(drm); err_cleanup_poll: drm_kms_helper_poll_fini(drm); err_unbind_all: @@ -347,6 +300,7 @@ err_mode_config_cleanup: drm_mode_config_cleanup(drm); exynos_drm_cleanup_dma(drm); kfree(private); + dev_set_drvdata(dev, NULL); err_free_drm: drm_dev_put(drm); @@ -359,8 +313,8 @@ static void exynos_drm_unbind(struct device *dev) drm_dev_unregister(drm); - exynos_drm_fbdev_fini(drm); drm_kms_helper_poll_fini(drm); + drm_atomic_helper_shutdown(drm); component_unbind_all(drm->dev, drm); drm_mode_config_cleanup(drm); @@ -392,15 +346,22 @@ static int exynos_drm_platform_probe(struct platform_device *pdev) match); } -static int exynos_drm_platform_remove(struct platform_device *pdev) +static void exynos_drm_platform_remove(struct platform_device *pdev) { component_master_del(&pdev->dev, &exynos_drm_ops); - return 0; +} + +static void exynos_drm_platform_shutdown(struct platform_device *pdev) +{ + struct drm_device *drm = platform_get_drvdata(pdev); + + drm_atomic_helper_shutdown(drm); } static struct platform_driver exynos_drm_platform_driver = { .probe = exynos_drm_platform_probe, - .remove = exynos_drm_platform_remove, + .remove = exynos_drm_platform_remove, + .shutdown = exynos_drm_platform_shutdown, .driver = { .name = "exynos-drm", .pm = &exynos_drm_pm_ops, @@ -418,9 +379,8 @@ static void exynos_drm_unregister_devices(void) if (!info->driver || !(info->flags & DRM_VIRTUAL_DEVICE)) continue; - while ((dev = bus_find_device(&platform_bus_type, NULL, - &info->driver->driver, - (void *)platform_bus_type.match))) { + while ((dev = platform_find_device_by_driver(NULL, + &info->driver->driver))) { put_device(dev); platform_device_unregister(to_platform_device(dev)); } @@ -488,6 +448,9 @@ static int exynos_drm_init(void) { int ret; + if (drm_firmware_drivers_only()) + return -ENODEV; + ret = exynos_drm_register_devices(); if (ret) return ret; |