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/gma500/framebuffer.c | 206 ++++++++++++++++++++++---------------------------- 1 files changed, 91 insertions(+), 115 deletions(-) diff --git a/kernel/drivers/gpu/drm/gma500/framebuffer.c b/kernel/drivers/gpu/drm/gma500/framebuffer.c index b4035ef..6ef4ea0 100644 --- a/kernel/drivers/gpu/drm/gma500/framebuffer.c +++ b/kernel/drivers/gpu/drm/gma500/framebuffer.c @@ -1,45 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0-only /************************************************************************** * Copyright (c) 2007-2011, Intel Corporation. * All Rights Reserved. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * **************************************************************************/ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/pfn_t.h> -#include <linux/mm.h> -#include <linux/tty.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/init.h> #include <linux/console.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/pfn_t.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/tty.h> -#include <drm/drmP.h> #include <drm/drm.h> #include <drm/drm_crtc.h> #include <drm/drm_fb_helper.h> +#include <drm/drm_fourcc.h> #include <drm/drm_gem_framebuffer_helper.h> -#include "psb_drv.h" -#include "psb_intel_reg.h" -#include "psb_intel_drv.h" #include "framebuffer.h" #include "gtt.h" +#include "psb_drv.h" +#include "psb_intel_drv.h" +#include "psb_intel_reg.h" static const struct drm_framebuffer_funcs psb_fb_funcs = { .destroy = drm_gem_fb_destroy, @@ -52,8 +40,8 @@ unsigned blue, unsigned transp, struct fb_info *info) { - struct psb_fbdev *fbdev = info->par; - struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb; + struct drm_fb_helper *fb_helper = info->par; + struct drm_framebuffer *fb = fb_helper->fb; uint32_t v; if (!fb) @@ -89,10 +77,10 @@ static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info) { - struct psb_fbdev *fbdev = info->par; - struct psb_framebuffer *psbfb = &fbdev->pfb; - struct drm_device *dev = psbfb->base.dev; - struct gtt_range *gtt = to_gtt_range(psbfb->base.obj[0]); + struct drm_fb_helper *fb_helper = info->par; + struct drm_framebuffer *fb = fb_helper->fb; + struct drm_device *dev = fb->dev; + struct gtt_range *gtt = to_gtt_range(fb->obj[0]); /* * We have to poke our nose in here. The core fb code assumes @@ -111,10 +99,10 @@ static vm_fault_t psbfb_vm_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; - struct psb_framebuffer *psbfb = vma->vm_private_data; - struct drm_device *dev = psbfb->base.dev; + struct drm_framebuffer *fb = vma->vm_private_data; + struct drm_device *dev = fb->dev; struct drm_psb_private *dev_priv = dev->dev_private; - struct gtt_range *gtt = to_gtt_range(psbfb->base.obj[0]); + struct gtt_range *gtt = to_gtt_range(fb->obj[0]); int page_num; int i; unsigned long address; @@ -157,28 +145,26 @@ static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) { - struct psb_fbdev *fbdev = info->par; - struct psb_framebuffer *psbfb = &fbdev->pfb; + struct drm_fb_helper *fb_helper = info->par; + struct drm_framebuffer *fb = fb_helper->fb; if (vma->vm_pgoff != 0) return -EINVAL; if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) return -EINVAL; - if (!psbfb->addr_space) - psbfb->addr_space = vma->vm_file->f_mapping; /* * If this is a GEM object then info->screen_base is the virtual * kernel remapping of the object. FIXME: Review if this is * suitable for our mmap work */ vma->vm_ops = &psbfb_vm_ops; - vma->vm_private_data = (void *)psbfb; + vma->vm_private_data = (void *)fb; vma->vm_flags |= VM_IO | VM_MIXEDMAP | VM_DONTEXPAND | VM_DONTDUMP; return 0; } -static struct fb_ops psbfb_ops = { +static const struct fb_ops psbfb_ops = { .owner = THIS_MODULE, DRM_FB_HELPER_DEFAULT_OPS, .fb_setcolreg = psbfb_setcolreg, @@ -189,7 +175,7 @@ .fb_sync = psbfb_sync, }; -static struct fb_ops psbfb_roll_ops = { +static const struct fb_ops psbfb_roll_ops = { .owner = THIS_MODULE, DRM_FB_HELPER_DEFAULT_OPS, .fb_setcolreg = psbfb_setcolreg, @@ -200,7 +186,7 @@ .fb_mmap = psbfb_mmap, }; -static struct fb_ops psbfb_unaccel_ops = { +static const struct fb_ops psbfb_unaccel_ops = { .owner = THIS_MODULE, DRM_FB_HELPER_DEFAULT_OPS, .fb_setcolreg = psbfb_setcolreg, @@ -221,9 +207,9 @@ * 0 on success or an error code if we fail. */ static int psb_framebuffer_init(struct drm_device *dev, - struct psb_framebuffer *fb, + struct drm_framebuffer *fb, const struct drm_mode_fb_cmd2 *mode_cmd, - struct gtt_range *gt) + struct drm_gem_object *obj) { const struct drm_format_info *info; int ret; @@ -232,16 +218,16 @@ * Reject unknown formats, YUV formats, and formats with more than * 4 bytes per pixel. */ - info = drm_format_info(mode_cmd->pixel_format); + info = drm_get_format_info(dev, mode_cmd); if (!info || !info->depth || info->cpp[0] > 4) return -EINVAL; if (mode_cmd->pitches[0] & 63) return -EINVAL; - drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd); - fb->base.obj[0] = >->gem; - ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs); + drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); + fb->obj[0] = obj; + ret = drm_framebuffer_init(dev, fb, &psb_fb_funcs); if (ret) { dev_err(dev->dev, "framebuffer init failed: %d\n", ret); return ret; @@ -264,21 +250,21 @@ static struct drm_framebuffer *psb_framebuffer_create (struct drm_device *dev, const struct drm_mode_fb_cmd2 *mode_cmd, - struct gtt_range *gt) + struct drm_gem_object *obj) { - struct psb_framebuffer *fb; + struct drm_framebuffer *fb; int ret; fb = kzalloc(sizeof(*fb), GFP_KERNEL); if (!fb) return ERR_PTR(-ENOMEM); - ret = psb_framebuffer_init(dev, fb, mode_cmd, gt); + ret = psb_framebuffer_init(dev, fb, mode_cmd, obj); if (ret) { kfree(fb); return ERR_PTR(ret); } - return &fb->base; + return fb; } /** @@ -312,14 +298,13 @@ * * Create a framebuffer to the specifications provided */ -static int psbfb_create(struct psb_fbdev *fbdev, +static int psbfb_create(struct drm_fb_helper *fb_helper, struct drm_fb_helper_surface_size *sizes) { - struct drm_device *dev = fbdev->psb_fb_helper.dev; + struct drm_device *dev = fb_helper->dev; struct drm_psb_private *dev_priv = dev->dev_private; struct fb_info *info; struct drm_framebuffer *fb; - struct psb_framebuffer *psbfb = &fbdev->pfb; struct drm_mode_fb_cmd2 mode_cmd; int size; int ret; @@ -384,28 +369,22 @@ memset(dev_priv->vram_addr + backing->offset, 0, size); - info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper); + info = drm_fb_helper_alloc_fbi(fb_helper); if (IS_ERR(info)) { ret = PTR_ERR(info); goto out; } - info->par = fbdev; mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); - ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing); - if (ret) + fb = psb_framebuffer_create(dev, &mode_cmd, &backing->gem); + if (IS_ERR(fb)) { + ret = PTR_ERR(fb); goto out; + } - fb = &psbfb->base; - psbfb->fbdev = info; + fb_helper->fb = fb; - fbdev->psb_fb_helper.fb = fb; - - drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth); - strcpy(info->fix.id, "psbdrmfb"); - - info->flags = FBINFO_DEFAULT; if (dev_priv->ops->accel_2d && pitch_lines > 8) /* 2D engine */ info->fbops = &psbfb_ops; else if (gtt_roll) { /* GTT rolling seems best */ @@ -428,16 +407,14 @@ info->apertures->ranges[0].size = dev_priv->gtt.stolen_size; } - drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, - sizes->fb_width, sizes->fb_height); + drm_fb_helper_fill_info(info, fb_helper, sizes); info->fix.mmio_start = pci_resource_start(dev->pdev, 0); info->fix.mmio_len = pci_resource_len(dev->pdev, 0); /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ - dev_dbg(dev->dev, "allocated %dx%d fb\n", - psbfb->base.width, psbfb->base.height); + dev_dbg(dev->dev, "allocated %dx%d fb\n", fb->width, fb->height); return 0; out: @@ -457,8 +434,8 @@ (struct drm_device *dev, struct drm_file *filp, const struct drm_mode_fb_cmd2 *cmd) { - struct gtt_range *r; struct drm_gem_object *obj; + struct drm_framebuffer *fb; /* * Find the GEM object and thus the gtt range object that is @@ -469,16 +446,17 @@ return ERR_PTR(-ENOENT); /* Let the core code do all the work */ - r = container_of(obj, struct gtt_range, gem); - return psb_framebuffer_create(dev, cmd, r); + fb = psb_framebuffer_create(dev, cmd, obj); + if (IS_ERR(fb)) + drm_gem_object_put(obj); + + return fb; } -static int psbfb_probe(struct drm_fb_helper *helper, +static int psbfb_probe(struct drm_fb_helper *fb_helper, struct drm_fb_helper_surface_size *sizes) { - struct psb_fbdev *psb_fbdev = - container_of(helper, struct psb_fbdev, psb_fb_helper); - struct drm_device *dev = psb_fbdev->psb_fb_helper.dev; + struct drm_device *dev = fb_helper->dev; struct drm_psb_private *dev_priv = dev->dev_private; unsigned int fb_size; int bytespp; @@ -499,66 +477,64 @@ sizes->surface_depth = 16; } - return psbfb_create(psb_fbdev, sizes); + return psbfb_create(fb_helper, sizes); } static const struct drm_fb_helper_funcs psb_fb_helper_funcs = { .fb_probe = psbfb_probe, }; -static int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev) +static int psb_fbdev_destroy(struct drm_device *dev, + struct drm_fb_helper *fb_helper) { - struct psb_framebuffer *psbfb = &fbdev->pfb; + struct drm_framebuffer *fb = fb_helper->fb; - drm_fb_helper_unregister_fbi(&fbdev->psb_fb_helper); + drm_fb_helper_unregister_fbi(fb_helper); - drm_fb_helper_fini(&fbdev->psb_fb_helper); - drm_framebuffer_unregister_private(&psbfb->base); - drm_framebuffer_cleanup(&psbfb->base); + drm_fb_helper_fini(fb_helper); + drm_framebuffer_unregister_private(fb); + drm_framebuffer_cleanup(fb); - if (psbfb->base.obj[0]) - drm_gem_object_put_unlocked(psbfb->base.obj[0]); + if (fb->obj[0]) + drm_gem_object_put(fb->obj[0]); + kfree(fb); + return 0; } int psb_fbdev_init(struct drm_device *dev) { - struct psb_fbdev *fbdev; + struct drm_fb_helper *fb_helper; struct drm_psb_private *dev_priv = dev->dev_private; int ret; - fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL); - if (!fbdev) { + fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL); + if (!fb_helper) { dev_err(dev->dev, "no memory\n"); return -ENOMEM; } - dev_priv->fbdev = fbdev; + dev_priv->fb_helper = fb_helper; - drm_fb_helper_prepare(dev, &fbdev->psb_fb_helper, &psb_fb_helper_funcs); + drm_fb_helper_prepare(dev, fb_helper, &psb_fb_helper_funcs); - ret = drm_fb_helper_init(dev, &fbdev->psb_fb_helper, - INTELFB_CONN_LIMIT); + ret = drm_fb_helper_init(dev, fb_helper); if (ret) goto free; - - ret = drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper); - if (ret) - goto fini; /* disable all the possible outputs/crtcs before entering KMS mode */ drm_helper_disable_unused_functions(dev); - ret = drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32); + ret = drm_fb_helper_initial_config(fb_helper, 32); if (ret) goto fini; return 0; fini: - drm_fb_helper_fini(&fbdev->psb_fb_helper); + drm_fb_helper_fini(fb_helper); free: - kfree(fbdev); + kfree(fb_helper); return ret; } @@ -566,12 +542,12 @@ { struct drm_psb_private *dev_priv = dev->dev_private; - if (!dev_priv->fbdev) + if (!dev_priv->fb_helper) return; - psb_fbdev_destroy(dev, dev_priv->fbdev); - kfree(dev_priv->fbdev); - dev_priv->fbdev = NULL; + psb_fbdev_destroy(dev, dev_priv->fb_helper); + kfree(dev_priv->fb_helper); + dev_priv->fb_helper = NULL; } static const struct drm_mode_config_funcs psb_mode_funcs = { @@ -606,31 +582,31 @@ break; case INTEL_OUTPUT_SDVO: crtc_mask = dev_priv->ops->sdvo_mask; - clone_mask = (1 << INTEL_OUTPUT_SDVO); + clone_mask = 0; break; case INTEL_OUTPUT_LVDS: - crtc_mask = dev_priv->ops->lvds_mask; - clone_mask = (1 << INTEL_OUTPUT_LVDS); + crtc_mask = dev_priv->ops->lvds_mask; + clone_mask = 0; break; case INTEL_OUTPUT_MIPI: crtc_mask = (1 << 0); - clone_mask = (1 << INTEL_OUTPUT_MIPI); + clone_mask = 0; break; case INTEL_OUTPUT_MIPI2: crtc_mask = (1 << 2); - clone_mask = (1 << INTEL_OUTPUT_MIPI2); + clone_mask = 0; break; case INTEL_OUTPUT_HDMI: - crtc_mask = dev_priv->ops->hdmi_mask; + crtc_mask = dev_priv->ops->hdmi_mask; clone_mask = (1 << INTEL_OUTPUT_HDMI); break; case INTEL_OUTPUT_DISPLAYPORT: crtc_mask = (1 << 0) | (1 << 1); - clone_mask = (1 << INTEL_OUTPUT_DISPLAYPORT); + clone_mask = 0; break; case INTEL_OUTPUT_EDP: crtc_mask = (1 << 1); - clone_mask = (1 << INTEL_OUTPUT_EDP); + clone_mask = 0; } encoder->possible_crtcs = crtc_mask; encoder->possible_clones = -- Gitblit v1.6.2