From: Alan Cox Date: Tue, 5 Jul 2011 14:37:41 +0000 (+0100) Subject: gma500: psb_fb tidy/cleanup pass X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=078d6f71677cda935ed182dbb391e946e13766ec;p=linux-beck.git gma500: psb_fb tidy/cleanup pass Eliminate unused stuff and clean up the code ordering. Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/gma500/psb_drm.h b/drivers/staging/gma500/psb_drm.h index c54113718be1..5dcf045fe522 100644 --- a/drivers/staging/gma500/psb_drm.h +++ b/drivers/staging/gma500/psb_drm.h @@ -145,8 +145,6 @@ struct drm_psb_register_rw_arg { /* Controlling the kernel modesetting buffers */ -#define DRM_PSB_KMS_OFF 0x00 -#define DRM_PSB_KMS_ON 0x01 #define DRM_PSB_SIZES 0x07 #define DRM_PSB_FUSE_REG 0x08 #define DRM_PSB_DC_STATE 0x0A @@ -155,7 +153,7 @@ struct drm_psb_register_rw_arg { #define DRM_PSB_STOLEN_MEMORY 0x0D #define DRM_PSB_REGISTER_RW 0x0E -/** +/* * NOTE: Add new commands here, but increment * the values below and increment their * corresponding defines where they're diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c index cbdc02c85704..0d65f75f95e7 100644 --- a/drivers/staging/gma500/psb_drv.c +++ b/drivers/staging/gma500/psb_drv.c @@ -75,10 +75,6 @@ MODULE_DEVICE_TABLE(pci, pciidlist); * Standard IOCTLs. */ -#define DRM_IOCTL_PSB_KMS_OFF \ - DRM_IO(DRM_PSB_KMS_OFF + DRM_COMMAND_BASE) -#define DRM_IOCTL_PSB_KMS_ON \ - DRM_IO(DRM_PSB_KMS_ON + DRM_COMMAND_BASE) #define DRM_IOCTL_PSB_SIZES \ DRM_IOR(DRM_PSB_SIZES + DRM_COMMAND_BASE, \ struct drm_psb_sizes_arg) @@ -134,11 +130,6 @@ static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data, [DRM_IOCTL_NR(ioctl) - DRM_COMMAND_BASE] = {ioctl, flags, func} static struct drm_ioctl_desc psb_ioctls[] = { - PSB_IOCTL_DEF(DRM_IOCTL_PSB_KMS_OFF, psbfb_kms_off_ioctl, - DRM_ROOT_ONLY), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_KMS_ON, - psbfb_kms_on_ioctl, - DRM_ROOT_ONLY), PSB_IOCTL_DEF(DRM_IOCTL_PSB_SIZES, psb_sizes_ioctl, DRM_AUTH), PSB_IOCTL_DEF(DRM_IOCTL_PSB_DC_STATE, psb_dc_state_ioctl, DRM_AUTH), PSB_IOCTL_DEF(DRM_IOCTL_PSB_ADB, psb_adb_ioctl, DRM_AUTH), diff --git a/drivers/staging/gma500/psb_drv.h b/drivers/staging/gma500/psb_drv.h index 86abf2670ea2..3b2ee083e474 100644 --- a/drivers/staging/gma500/psb_drv.h +++ b/drivers/staging/gma500/psb_drv.h @@ -704,12 +704,6 @@ extern int psb_intel_opregion_init(struct drm_device *dev); extern int psbfb_probed(struct drm_device *dev); extern int psbfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); -extern int psbfb_kms_off_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern int psbfb_kms_on_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern void *psbfb_vdc_reg(struct drm_device* dev); - /* * psb_2d.c */ diff --git a/drivers/staging/gma500/psb_fb.c b/drivers/staging/gma500/psb_fb.c index 8377a9978dd7..83095fc8a14a 100644 --- a/drivers/staging/gma500/psb_fb.c +++ b/drivers/staging/gma500/psb_fb.c @@ -52,13 +52,6 @@ static const struct drm_framebuffer_funcs psb_fb_funcs = { #define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) -void *psbfb_vdc_reg(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv; - dev_priv = (struct drm_psb_private *) dev->dev_private; - return dev_priv->vdc_reg; -} - static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info) @@ -98,108 +91,60 @@ static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, return 0; } -static int psbfb_kms_off(struct drm_device *dev, int suspend) + +void psbfb_suspend(struct drm_device *dev) { struct drm_framebuffer *fb = 0; struct psb_framebuffer *psbfb = to_psb_fb(fb); + console_lock(); mutex_lock(&dev->mode_config.mutex); list_for_each_entry(fb, &dev->mode_config.fb_list, head) { struct fb_info *info = psbfb->fbdev; - - if (suspend) { - fb_set_suspend(info, 1); - drm_fb_helper_blank(FB_BLANK_POWERDOWN, info); - } + fb_set_suspend(info, 1); + drm_fb_helper_blank(FB_BLANK_POWERDOWN, info); } mutex_unlock(&dev->mode_config.mutex); - return 0; -} - -int psbfb_kms_off_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - int ret; - - if (drm_psb_no_fb) - return 0; - console_lock(); - ret = psbfb_kms_off(dev, 0); console_unlock(); - - return ret; } -static int psbfb_kms_on(struct drm_device *dev, int resume) +void psbfb_resume(struct drm_device *dev) { struct drm_framebuffer *fb = 0; struct psb_framebuffer *psbfb = to_psb_fb(fb); + console_lock(); mutex_lock(&dev->mode_config.mutex); list_for_each_entry(fb, &dev->mode_config.fb_list, head) { struct fb_info *info = psbfb->fbdev; - - if (resume) { - fb_set_suspend(info, 0); - drm_fb_helper_blank(FB_BLANK_UNBLANK, info); - } + fb_set_suspend(info, 0); + drm_fb_helper_blank(FB_BLANK_UNBLANK, info); } mutex_unlock(&dev->mode_config.mutex); - - return 0; -} - -int psbfb_kms_on_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - int ret; - - if (drm_psb_no_fb) - return 0; - console_lock(); - ret = psbfb_kms_on(dev, 0); - console_unlock(); - drm_helper_disable_unused_functions(dev); - return ret; -} - -void psbfb_suspend(struct drm_device *dev) -{ - console_lock(); - psbfb_kms_off(dev, 1); - console_unlock(); -} - -void psbfb_resume(struct drm_device *dev) -{ - console_lock(); - psbfb_kms_on(dev, 1); console_unlock(); drm_helper_disable_unused_functions(dev); } static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - int page_num = 0; - int i; - unsigned long address = 0; - int ret; - unsigned long pfn; struct psb_framebuffer *psbfb = vma->vm_private_data; struct drm_device *dev = psbfb->base.dev; struct drm_psb_private *dev_priv = dev->dev_private; - + int page_num; + int i; + unsigned long address; + int ret; + unsigned long pfn; /* FIXME: assumes fb at stolen base which may not be true */ unsigned long phys_addr = (unsigned long)dev_priv->stolen_base; page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; - address = (unsigned long)vmf->virtual_address; vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); for (i = 0; i < page_num; i++) { - pfn = (phys_addr >> PAGE_SHIFT); /* phys_to_pfn(phys_addr); */ + pfn = (phys_addr >> PAGE_SHIFT); ret = vm_insert_mixed(vma, address, pfn); if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0))) @@ -208,11 +153,9 @@ static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS; return ret; } - address += PAGE_SIZE; phys_addr += PAGE_SIZE; } - return VM_FAULT_NOPAGE; } @@ -234,7 +177,6 @@ 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; - char *fb_screen_base = NULL; if (vma->vm_pgoff != 0) return -EINVAL; @@ -243,9 +185,6 @@ static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) if (!psbfb->addr_space) psbfb->addr_space = vma->vm_file->f_mapping; - - fb_screen_base = (char *)info->screen_base; - /* * If this is a GEM object then info->screen_base is the virtual * kernel remapping of the object. FIXME: Review if this is @@ -272,8 +211,8 @@ static int psbfb_ioctl(struct fb_info *info, unsigned int cmd, case 0x12345678: if (!capable(CAP_SYS_RAWIO)) return -EPERM; - if (IS_MFLD(dev)) - return -EOPNOTSUPP; + if (IS_MFLD(dev)) + return -EOPNOTSUPP; if (get_user(l, p)) return -EFAULT; if (l > 32) @@ -488,9 +427,9 @@ static int psbfb_create(struct psb_fbdev *fbdev, info->flags = FBINFO_DEFAULT; /* No 2D engine */ if (IS_MFLD(dev)) - info->fbops = &psbfb_mfld_ops; - else - info->fbops = &psbfb_ops; + info->fbops = &psbfb_mfld_ops; + else + info->fbops = &psbfb_ops; ret = fb_alloc_cmap(&info->cmap, 256, 0); if (ret) { @@ -518,7 +457,6 @@ static int psbfb_create(struct psb_fbdev *fbdev, psbfb->vm_map = 1; } info->screen_size = size; -/* memset(info->screen_base, 0, size); */ if (dev_priv->pg->stolen_size) { info->apertures = alloc_apertures(1); @@ -644,15 +582,8 @@ int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev) drm_fb_helper_fini(&fbdev->psb_fb_helper); drm_framebuffer_cleanup(&psbfb->base); - if (psbfb->gtt) { - /* FIXME: this is a bit more inside knowledge than I'd like - but I don't see how to make a fake GEM object of the - stolen space nicely */ - if (psbfb->gtt->stolen) - psb_gtt_free_range(dev, psbfb->gtt); - else - drm_gem_object_unreference(&psbfb->gtt->gem); - } + if (psbfb->gtt) + drm_gem_object_unreference(&psbfb->gtt->gem); return 0; } @@ -671,6 +602,7 @@ int psb_fbdev_init(struct drm_device *dev) dev_priv->fbdev = fbdev; fbdev->psb_fb_helper.funcs = &psb_fb_helper_funcs; + /* FIXME: check Medfield */ num_crtc = 2; drm_fb_helper_init(dev, &fbdev->psb_fb_helper, num_crtc, @@ -769,17 +701,14 @@ static const struct drm_mode_config_funcs psb_mode_funcs = { static int psb_create_backlight_property(struct drm_device *dev) { - struct drm_psb_private *dev_priv - = (struct drm_psb_private *) dev->dev_private; + struct drm_psb_private *dev_priv = dev->dev_private; struct drm_property *backlight; if (dev_priv->backlight_property) return 0; - backlight = drm_property_create(dev, - DRM_MODE_PROP_RANGE, - "backlight", - 2); + backlight = drm_property_create(dev, DRM_MODE_PROP_RANGE, + "backlight", 2); backlight->values[0] = 0; backlight->values[1] = 100; @@ -790,12 +719,10 @@ static int psb_create_backlight_property(struct drm_device *dev) static void psb_setup_outputs(struct drm_device *dev) { - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; + struct drm_psb_private *dev_priv = dev->dev_private; struct drm_connector *connector; drm_mode_create_scaling_mode_property(dev); - psb_create_backlight_property(dev); if (IS_MRST(dev)) { @@ -805,7 +732,7 @@ static void psb_setup_outputs(struct drm_device *dev) dev_err(dev->dev, "DSI is not supported\n"); } else if (IS_MFLD(dev)) { mdfld_output_init(dev); - } else { + } else { psb_intel_lvds_init(dev, &dev_priv->mode_dev); psb_intel_sdvo_init(dev, SDVOB); } @@ -843,11 +770,9 @@ static void psb_setup_outputs(struct drm_device *dev) clone_mask = (1 << INTEL_OUTPUT_HDMI); break; } - encoder->possible_crtcs = crtc_mask; encoder->possible_clones = psb_intel_connector_clones(dev, clone_mask); - } } @@ -878,9 +803,6 @@ void psb_modeset_init(struct drm_device *dev) dev->mode_config.max_height = 2048; psb_setup_outputs(dev); - - /* setup fbs */ - /* drm_initial_config(dev); */ } void psb_modeset_cleanup(struct drm_device *dev) @@ -889,7 +811,6 @@ void psb_modeset_cleanup(struct drm_device *dev) drm_kms_helper_poll_fini(dev); psb_fbdev_fini(dev); - drm_mode_config_cleanup(dev); mutex_unlock(&dev->struct_mutex);