diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_fb.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_fb.c | 230 |
1 files changed, 118 insertions, 112 deletions
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index aaabbcbe5905..3e18c9e7729b 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -30,11 +30,11 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/tty.h> -#include <linux/slab.h> #include <linux/sysrq.h> #include <linux/delay.h> #include <linux/fb.h> #include <linux/init.h> +#include <linux/vga_switcheroo.h> #include "drmP.h" #include "drm.h" @@ -44,9 +44,10 @@ #include "i915_drm.h" #include "i915_drv.h" -struct intelfb_par { +struct intel_fbdev { struct drm_fb_helper helper; - struct intel_framebuffer *intel_fb; + struct intel_framebuffer ifb; + struct list_head fbdev_list; struct drm_display_mode *our_mode; }; @@ -54,7 +55,6 @@ static struct fb_ops intelfb_ops = { .owner = THIS_MODULE, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, - .fb_setcolreg = drm_fb_helper_setcolreg, .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_imageblit, @@ -63,62 +63,12 @@ static struct fb_ops intelfb_ops = { .fb_setcmap = drm_fb_helper_setcmap, }; -static struct drm_fb_helper_funcs intel_fb_helper_funcs = { - .gamma_set = intel_crtc_fb_gamma_set, - .gamma_get = intel_crtc_fb_gamma_get, -}; - - -/** - * Currently it is assumed that the old framebuffer is reused. - * - * LOCKING - * caller should hold the mode config lock. - * - */ -int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc) -{ - struct fb_info *info; - struct drm_framebuffer *fb; - struct drm_display_mode *mode = crtc->desired_mode; - - fb = crtc->fb; - if (!fb) - return 1; - - info = fb->fbdev; - if (!info) - return 1; - - if (!mode) - return 1; - - info->var.xres = mode->hdisplay; - info->var.right_margin = mode->hsync_start - mode->hdisplay; - info->var.hsync_len = mode->hsync_end - mode->hsync_start; - info->var.left_margin = mode->htotal - mode->hsync_end; - info->var.yres = mode->vdisplay; - info->var.lower_margin = mode->vsync_start - mode->vdisplay; - info->var.vsync_len = mode->vsync_end - mode->vsync_start; - info->var.upper_margin = mode->vtotal - mode->vsync_end; - info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100; - /* avoid overflow */ - info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh; - - return 0; -} -EXPORT_SYMBOL(intelfb_resize); - -static int intelfb_create(struct drm_device *dev, uint32_t fb_width, - uint32_t fb_height, uint32_t surface_width, - uint32_t surface_height, - uint32_t surface_depth, uint32_t surface_bpp, - struct drm_framebuffer **fb_p) +static int intelfb_create(struct intel_fbdev *ifbdev, + struct drm_fb_helper_surface_size *sizes) { + struct drm_device *dev = ifbdev->helper.dev; struct fb_info *info; - struct intelfb_par *par; struct drm_framebuffer *fb; - struct intel_framebuffer *intel_fb; struct drm_mode_fb_cmd mode_cmd; struct drm_gem_object *fbo = NULL; struct drm_i915_gem_object *obj_priv; @@ -126,76 +76,72 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width, int size, ret, mmio_bar = IS_I9XX(dev) ? 0 : 1; /* we don't do packed 24bpp */ - if (surface_bpp == 24) - surface_bpp = 32; + if (sizes->surface_bpp == 24) + sizes->surface_bpp = 32; - mode_cmd.width = surface_width; - mode_cmd.height = surface_height; + mode_cmd.width = sizes->surface_width; + mode_cmd.height = sizes->surface_height; - mode_cmd.bpp = surface_bpp; + mode_cmd.bpp = sizes->surface_bpp; mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 1) / 8), 64); - mode_cmd.depth = surface_depth; + mode_cmd.depth = sizes->surface_depth; size = mode_cmd.pitch * mode_cmd.height; size = ALIGN(size, PAGE_SIZE); - fbo = drm_gem_object_alloc(dev, size); + fbo = i915_gem_alloc_object(dev, size); if (!fbo) { DRM_ERROR("failed to allocate framebuffer\n"); ret = -ENOMEM; goto out; } - obj_priv = fbo->driver_private; + obj_priv = to_intel_bo(fbo); mutex_lock(&dev->struct_mutex); - ret = i915_gem_object_pin(fbo, 64*1024); + ret = intel_pin_and_fence_fb_obj(dev, fbo); if (ret) { DRM_ERROR("failed to pin fb: %d\n", ret); goto out_unref; } /* Flush everything out, we'll be doing GTT only from now on */ - i915_gem_object_set_to_gtt_domain(fbo, 1); - - ret = intel_framebuffer_create(dev, &mode_cmd, &fb, fbo); + ret = i915_gem_object_set_to_gtt_domain(fbo, 1); if (ret) { - DRM_ERROR("failed to allocate fb.\n"); + DRM_ERROR("failed to bind fb: %d.\n", ret); goto out_unpin; } - list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list); - - intel_fb = to_intel_framebuffer(fb); - *fb_p = fb; - - info = framebuffer_alloc(sizeof(struct intelfb_par), device); + info = framebuffer_alloc(0, device); if (!info) { ret = -ENOMEM; goto out_unpin; } - par = info->par; + info->par = ifbdev; - par->helper.funcs = &intel_fb_helper_funcs; - par->helper.dev = dev; - ret = drm_fb_helper_init_crtc_count(&par->helper, 2, - INTELFB_CONN_LIMIT); - if (ret) - goto out_unref; + intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, fbo); + + fb = &ifbdev->ifb.base; + + ifbdev->helper.fb = fb; + ifbdev->helper.fbdev = info; strcpy(info->fix.id, "inteldrmfb"); info->flags = FBINFO_DEFAULT; - info->fbops = &intelfb_ops; - /* setup aperture base/size for vesafb takeover */ - info->aperture_base = dev->mode_config.fb_base; + info->apertures = alloc_apertures(1); + if (!info->apertures) { + ret = -ENOMEM; + goto out_unpin; + } + info->apertures->ranges[0].base = dev->mode_config.fb_base; if (IS_I9XX(dev)) - info->aperture_size = pci_resource_len(dev->pdev, 2); + info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 2); else - info->aperture_size = pci_resource_len(dev->pdev, 0); + info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 0); info->fix.smem_start = dev->mode_config.fb_base + obj_priv->gtt_offset; info->fix.smem_len = size; @@ -208,12 +154,18 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width, ret = -ENOSPC; goto out_unpin; } + + ret = fb_alloc_cmap(&info->cmap, 256, 0); + if (ret) { + ret = -ENOMEM; + goto out_unpin; + } info->screen_size = size; // memset(info->screen_base, 0, size); drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); - drm_fb_helper_fill_var(info, fb, fb_width, fb_height); + drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height); /* FIXME: we really shouldn't expose mmio space at all */ info->fix.mmio_start = pci_resource_start(dev->pdev, mmio_bar); @@ -225,16 +177,13 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width, info->pixmap.flags = FB_PIXMAP_SYSTEM; info->pixmap.scan_align = 1; - fb->fbdev = info; - - par->intel_fb = intel_fb; - - /* To allow resizeing without swapping buffers */ DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n", - intel_fb->base.width, intel_fb->base.height, - obj_priv->gtt_offset, fbo); + fb->width, fb->height, + obj_priv->gtt_offset, fbo); + mutex_unlock(&dev->struct_mutex); + vga_switcheroo_client_fb_set(dev->pdev, info); return 0; out_unpin: @@ -246,35 +195,92 @@ out: return ret; } -int intelfb_probe(struct drm_device *dev) +static int intel_fb_find_or_create_single(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes) { + struct intel_fbdev *ifbdev = (struct intel_fbdev *)helper; + int new_fb = 0; int ret; - DRM_DEBUG_KMS("\n"); - ret = drm_fb_helper_single_fb_probe(dev, 32, intelfb_create); - return ret; + if (!helper->fb) { + ret = intelfb_create(ifbdev, sizes); + if (ret) + return ret; + new_fb = 1; + } + return new_fb; } -EXPORT_SYMBOL(intelfb_probe); -int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb) +static struct drm_fb_helper_funcs intel_fb_helper_funcs = { + .gamma_set = intel_crtc_fb_gamma_set, + .gamma_get = intel_crtc_fb_gamma_get, + .fb_probe = intel_fb_find_or_create_single, +}; + +int intel_fbdev_destroy(struct drm_device *dev, + struct intel_fbdev *ifbdev) { struct fb_info *info; + struct intel_framebuffer *ifb = &ifbdev->ifb; - if (!fb) - return -EINVAL; - - info = fb->fbdev; - - if (info) { - struct intelfb_par *par = info->par; + if (ifbdev->helper.fbdev) { + info = ifbdev->helper.fbdev; unregister_framebuffer(info); iounmap(info->screen_base); - if (info->par) - drm_fb_helper_free(&par->helper); + if (info->cmap.len) + fb_dealloc_cmap(&info->cmap); framebuffer_release(info); } + drm_fb_helper_fini(&ifbdev->helper); + + drm_framebuffer_cleanup(&ifb->base); + if (ifb->obj) + drm_gem_object_unreference(ifb->obj); + + return 0; +} + +int intel_fbdev_init(struct drm_device *dev) +{ + struct intel_fbdev *ifbdev; + drm_i915_private_t *dev_priv = dev->dev_private; + int ret; + + ifbdev = kzalloc(sizeof(struct intel_fbdev), GFP_KERNEL); + if (!ifbdev) + return -ENOMEM; + + dev_priv->fbdev = ifbdev; + ifbdev->helper.funcs = &intel_fb_helper_funcs; + + ret = drm_fb_helper_init(dev, &ifbdev->helper, + dev_priv->num_pipe, + INTELFB_CONN_LIMIT); + if (ret) { + kfree(ifbdev); + return ret; + } + + drm_fb_helper_single_add_all_connectors(&ifbdev->helper); + drm_fb_helper_initial_config(&ifbdev->helper, 32); return 0; } -EXPORT_SYMBOL(intelfb_remove); + +void intel_fbdev_fini(struct drm_device *dev) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + if (!dev_priv->fbdev) + return; + + intel_fbdev_destroy(dev, dev_priv->fbdev); + kfree(dev_priv->fbdev); + dev_priv->fbdev = NULL; +} MODULE_LICENSE("GPL and additional rights"); + +void intel_fb_output_poll_changed(struct drm_device *dev) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + drm_fb_helper_hotplug_event(&dev_priv->fbdev->helper); +} |