#include "i915_drm.h"
#include "i915_drv.h"
-struct intelfb_par {
+struct intel_kernel_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;
};
};
-/**
- * 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)
+static int intelfb_create(struct drm_device *dev,
+ struct drm_fb_helper_surface_size *sizes,
+ struct intel_kernel_fbdev **ifbdev_p)
{
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)
-{
- struct fb_info *info;
- struct intelfb_par *par;
+ struct intel_kernel_fbdev *ifbdev;
struct drm_framebuffer *fb;
struct intel_framebuffer *intel_fb;
struct drm_mode_fb_cmd mode_cmd;
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);
/* 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);
- if (ret) {
- DRM_ERROR("failed to allocate fb.\n");
+ info = framebuffer_alloc(sizeof(struct intel_kernel_fbdev), device);
+ if (!info) {
+ ret = -ENOMEM;
goto out_unpin;
}
- list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list);
+ ifbdev = info->par;
+ intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, fbo);
- intel_fb = to_intel_framebuffer(fb);
- *fb_p = fb;
+ fb = &ifbdev->ifb.base;
- info = framebuffer_alloc(sizeof(struct intelfb_par), device);
- if (!info) {
- ret = -ENOMEM;
- goto out_unpin;
- }
+ ifbdev->helper.fb = fb;
+ ifbdev->helper.fbdev = info;
+ ifbdev->helper.funcs = &intel_fb_helper_funcs;
+ ifbdev->helper.dev = dev;
- par = info->par;
+ *ifbdev_p = ifbdev;
- par->helper.funcs = &intel_fb_helper_funcs;
- par->helper.dev = dev;
- ret = drm_fb_helper_init_crtc_count(&par->helper, 2,
+ ret = drm_fb_helper_init_crtc_count(&ifbdev->helper, 2,
INTELFB_CONN_LIMIT);
if (ret)
goto out_unref;
// 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);
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);
+
mutex_unlock(&dev->struct_mutex);
vga_switcheroo_client_fb_set(dev->pdev, info);
return 0;
return ret;
}
-int intelfb_probe(struct drm_device *dev)
+static int intel_fb_find_or_create_single(struct drm_device *dev,
+ struct drm_fb_helper_surface_size *sizes,
+ struct drm_fb_helper **fb_ptr)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_kernel_fbdev *ifbdev = NULL;
+ int new_fb = 0;
+ int ret;
+
+ if (!dev_priv->fbdev) {
+ ret = intelfb_create(dev, sizes,
+ &ifbdev);
+ if (ret)
+ return ret;
+
+ dev_priv->fbdev = ifbdev;
+ new_fb = 1;
+ } else {
+ ifbdev = dev_priv->fbdev;
+ if (ifbdev->ifb.base.width < sizes->surface_width ||
+ ifbdev->ifb.base.height < sizes->surface_height) {
+ DRM_ERROR("Framebuffer not large enough to scale console onto.\n");
+ return -EINVAL;
+ }
+ }
+
+ *fb_ptr = &ifbdev->helper;
+ return new_fb;
+}
+
+static int intelfb_probe(struct drm_device *dev)
{
int ret;
DRM_DEBUG_KMS("\n");
- ret = drm_fb_helper_single_fb_probe(dev, 32, intelfb_create);
+ ret = drm_fb_helper_single_fb_probe(dev, 32, intel_fb_find_or_create_single);
return ret;
}
-EXPORT_SYMBOL(intelfb_probe);
-int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
+int intel_fbdev_destroy(struct drm_device *dev,
+ struct intel_kernel_fbdev *ifbdev)
{
struct fb_info *info;
+ struct intel_framebuffer *ifb = &ifbdev->ifb;
- if (!fb)
- return -EINVAL;
+ info = ifbdev->helper.fbdev;
- info = fb->fbdev;
+ unregister_framebuffer(info);
+ iounmap(info->screen_base);
+ drm_fb_helper_free(&ifbdev->helper);
- if (info) {
- struct intelfb_par *par = info->par;
- unregister_framebuffer(info);
- iounmap(info->screen_base);
- if (info->par)
- drm_fb_helper_free(&par->helper);
- framebuffer_release(info);
- }
+ drm_framebuffer_cleanup(&ifb->base);
+ drm_gem_object_unreference_unlocked(ifb->obj);
+
+ framebuffer_release(info);
return 0;
}
-EXPORT_SYMBOL(intelfb_remove);
+
+int intel_fbdev_init(struct drm_device *dev)
+{
+ drm_helper_initial_config(dev);
+ intelfb_probe(dev);
+ return 0;
+}
+
+void intel_fbdev_fini(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ intel_fbdev_destroy(dev, dev_priv->fbdev);
+ dev_priv->fbdev = NULL;
+}
MODULE_LICENSE("GPL and additional rights");
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff