diff options
Diffstat (limited to 'drivers/video/fbdev/geode/lxfb_core.c')
| -rw-r--r-- | drivers/video/fbdev/geode/lxfb_core.c | 77 |
1 files changed, 38 insertions, 39 deletions
diff --git a/drivers/video/fbdev/geode/lxfb_core.c b/drivers/video/fbdev/geode/lxfb_core.c index 138da6cb6cbc..cad99f5b7fe8 100644 --- a/drivers/video/fbdev/geode/lxfb_core.c +++ b/drivers/video/fbdev/geode/lxfb_core.c @@ -1,15 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Geode LX framebuffer driver. * * Copyright (C) 2007 Advanced Micro Devices, Inc. * Built from gxfb (which is Copyright (C) 2006 Arcom Control Systems Ltd.) - * - * 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/aperture.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> @@ -23,6 +20,8 @@ #include <linux/pci.h> #include <linux/uaccess.h> +#include <asm/olpc.h> + #include "lxfb.h" static char *mode_option; @@ -216,9 +215,6 @@ static struct fb_videomode geode_modedb[] = { 0, FB_VMODE_NONINTERLACED, 0 }, }; -#ifdef CONFIG_OLPC -#include <asm/olpc.h> - static struct fb_videomode olpc_dcon_modedb[] = { /* The only mode the DCON has is 1200x900 */ { NULL, 50, 1200, 900, 17460, 24, 8, 4, 5, 8, 3, @@ -237,16 +233,11 @@ static void get_modedb(struct fb_videomode **modedb, unsigned int *size) } } -#else -static void get_modedb(struct fb_videomode **modedb, unsigned int *size) -{ - *modedb = (struct fb_videomode *) geode_modedb; - *size = ARRAY_SIZE(geode_modedb); -} -#endif - static int lxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { + if (!var->pixclock) + return -EINVAL; + if (var->xres > 1920 || var->yres > 1440) return -EINVAL; @@ -399,16 +390,13 @@ static int lxfb_map_video_memory(struct fb_info *info, struct pci_dev *dev) return 0; } -static struct fb_ops lxfb_ops = { +static const struct fb_ops lxfb_ops = { .owner = THIS_MODULE, + FB_DEFAULT_IOMEM_OPS, .fb_check_var = lxfb_check_var, .fb_set_par = lxfb_set_par, .fb_setcolreg = lxfb_setcolreg, .fb_blank = lxfb_blank, - /* No HW acceleration for now. */ - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, }; static struct fb_info *lxfb_init_fbinfo(struct device *dev) @@ -441,7 +429,6 @@ static struct fb_info *lxfb_init_fbinfo(struct device *dev) info->var.vmode = FB_VMODE_NONINTERLACED; info->fbops = &lxfb_ops; - info->flags = FBINFO_DEFAULT; info->node = -1; info->pseudo_palette = (void *)par + sizeof(struct lxfb_par); @@ -456,17 +443,14 @@ static struct fb_info *lxfb_init_fbinfo(struct device *dev) return info; } -#ifdef CONFIG_PM -static int lxfb_suspend(struct pci_dev *pdev, pm_message_t state) +static int __maybe_unused lxfb_suspend(struct device *dev) { - struct fb_info *info = pci_get_drvdata(pdev); + struct fb_info *info = dev_get_drvdata(dev); - if (state.event == PM_EVENT_SUSPEND) { - console_lock(); - lx_powerdown(info); - fb_set_suspend(info, 1); - console_unlock(); - } + console_lock(); + lx_powerdown(info); + fb_set_suspend(info, 1); + console_unlock(); /* there's no point in setting PCI states; we emulate PCI, so * we don't end up getting power savings anyways */ @@ -474,9 +458,9 @@ static int lxfb_suspend(struct pci_dev *pdev, pm_message_t state) return 0; } -static int lxfb_resume(struct pci_dev *pdev) +static int __maybe_unused lxfb_resume(struct device *dev) { - struct fb_info *info = pci_get_drvdata(pdev); + struct fb_info *info = dev_get_drvdata(dev); int ret; console_lock(); @@ -490,10 +474,6 @@ static int lxfb_resume(struct pci_dev *pdev) console_unlock(); return 0; } -#else -#define lxfb_suspend NULL -#define lxfb_resume NULL -#endif static int lxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id) { @@ -504,6 +484,10 @@ static int lxfb_probe(struct pci_dev *pdev, const struct pci_device_id *id) struct fb_videomode *modedb_ptr; unsigned int modedb_size; + ret = aperture_remove_conflicting_pci_devices(pdev, "lxfb"); + if (ret) + return ret; + info = lxfb_init_fbinfo(&pdev->dev); if (info == NULL) @@ -613,13 +597,23 @@ static struct pci_device_id lxfb_id_table[] = { MODULE_DEVICE_TABLE(pci, lxfb_id_table); +static const struct dev_pm_ops lxfb_pm_ops = { +#ifdef CONFIG_PM_SLEEP + .suspend = lxfb_suspend, + .resume = lxfb_resume, + .freeze = NULL, + .thaw = lxfb_resume, + .poweroff = NULL, + .restore = lxfb_resume, +#endif +}; + static struct pci_driver lxfb_driver = { .name = "lxfb", .id_table = lxfb_id_table, .probe = lxfb_probe, .remove = lxfb_remove, - .suspend = lxfb_suspend, - .resume = lxfb_resume, + .driver.pm = &lxfb_pm_ops, }; #ifndef MODULE @@ -652,7 +646,12 @@ static int __init lxfb_init(void) { #ifndef MODULE char *option = NULL; +#endif + + if (fb_modesetting_disabled("lxfb")) + return -ENODEV; +#ifndef MODULE if (fb_get_options("lxfb", &option)) return -ENODEV; |