示例#1
0
static int intelfb_alloc(struct drm_fb_helper *helper,
			 struct drm_fb_helper_surface_size *sizes)
{
	struct intel_fbdev *ifbdev =
		container_of(helper, struct intel_fbdev, helper);
	struct drm_device *dev = helper->dev;
	struct drm_mode_fb_cmd2 mode_cmd = {};
	struct drm_i915_gem_object *obj;
	int size, ret;

	/* we don't do packed 24bpp */
	if (sizes->surface_bpp == 24)
		sizes->surface_bpp = 32;

	mode_cmd.width = sizes->surface_width;
	mode_cmd.height = sizes->surface_height;

	mode_cmd.pitches[0] = ALIGN(mode_cmd.width *
				    DIV_ROUND_UP(sizes->surface_bpp, 8), 64);
	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
							  sizes->surface_depth);

	size = mode_cmd.pitches[0] * mode_cmd.height;
	size = ALIGN(size, PAGE_SIZE);
	obj = i915_gem_object_create_stolen(dev, size);
	if (obj == NULL)
		obj = i915_gem_alloc_object(dev, size);
	if (!obj) {
		DRM_ERROR("failed to allocate framebuffer\n");
		ret = -ENOMEM;
		goto out;
	}

	/* Flush everything out, we'll be doing GTT only from now on */
	ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
	if (ret) {
		DRM_ERROR("failed to pin fb: %d\n", ret);
		goto out_unref;
	}

	ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj);
	if (ret)
		goto out_unpin;

	return 0;

out_unpin:
	i915_gem_object_unpin(obj);
out_unref:
	drm_gem_object_unreference(&obj->base);
out:
	return ret;
}
示例#2
0
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 drm_framebuffer *fb;
	struct drm_mode_fb_cmd mode_cmd;
	struct drm_i915_gem_object *obj;
	struct device *device = &dev->pdev->dev;
	int size, ret;

	/* we don't do packed 24bpp */
	if (sizes->surface_bpp == 24)
		sizes->surface_bpp = 32;

	mode_cmd.width = sizes->surface_width;
	mode_cmd.height = sizes->surface_height;

	mode_cmd.bpp = sizes->surface_bpp;
	mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 7) / 8), 64);
	mode_cmd.depth = sizes->surface_depth;

	size = mode_cmd.pitch * mode_cmd.height;
	size = ALIGN(size, PAGE_SIZE);
	obj = i915_gem_alloc_object(dev, size);
	if (!obj) {
		DRM_ERROR("failed to allocate framebuffer\n");
		ret = -ENOMEM;
		goto out;
	}

	mutex_lock(&dev->struct_mutex);

	/* Flush everything out, we'll be doing GTT only from now on */
	ret = intel_pin_and_fence_fb_obj(dev, obj, false);
	if (ret) {
		DRM_ERROR("failed to pin fb: %d\n", ret);
		goto out_unref;
	}

	info = framebuffer_alloc(0, device);
	if (!info) {
		ret = -ENOMEM;
		goto out_unpin;
	}

	info->par = ifbdev;

	ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj);
	if (ret)
		goto out_unpin;

	fb = &ifbdev->ifb.base;

	ifbdev->helper.fb = fb;
	ifbdev->helper.fbdev = info;

	strcpy(info->fix.id, "inteldrmfb");

	info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
	info->fbops = &intelfb_ops;

	ret = fb_alloc_cmap(&info->cmap, 256, 0);
	if (ret) {
		ret = -ENOMEM;
		goto out_unpin;
	}
	/* setup aperture base/size for vesafb takeover */
	info->aperture_base = dev->mode_config.fb_base;
	if (!IS_GEN2(dev))
		info->aperture_size = pci_resource_len(dev->pdev, 2);
	else
		info->aperture_size = pci_resource_len(dev->pdev, 0);

	info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset;
	info->fix.smem_len = size;

	info->screen_base = ioremap_wc(dev->agp->base + obj->gtt_offset, size);
	if (!info->screen_base) {
		ret = -ENOSPC;
		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, &ifbdev->helper, sizes->fb_width, sizes->fb_height);

	info->pixmap.size = 64*1024;
	info->pixmap.buf_align = 8;
	info->pixmap.access_align = 32;
	info->pixmap.flags = FB_PIXMAP_SYSTEM;
	info->pixmap.scan_align = 1;

	DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n",
		      fb->width, fb->height,
		      obj->gtt_offset, obj);


	mutex_unlock(&dev->struct_mutex);
	vga_switcheroo_client_fb_set(dev->pdev, info);
	return 0;

out_unpin:
	i915_gem_object_unpin(obj);
out_unref:
	drm_gem_object_unreference(&obj->base);
	mutex_unlock(&dev->struct_mutex);
out:
	return ret;
}
static int intelfb_create(struct intel_fbdev *ifbdev,
                          struct drm_fb_helper_surface_size *sizes)
{
    struct drm_device *dev = ifbdev->helper.dev;
    struct drm_i915_private *dev_priv = dev->dev_private;
    struct fb_info *info;
    struct drm_framebuffer *fb;
    struct drm_mode_fb_cmd2 mode_cmd;
    struct drm_i915_gem_object *obj;
    struct device *device = &dev->pdev->dev;
    int size, ret;


    if (sizes->surface_bpp == 24)
        sizes->surface_bpp = 32;

    mode_cmd.width = sizes->surface_width;
    mode_cmd.height = sizes->surface_height;

    mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((sizes->surface_bpp + 7) /
                                8), 64);
    mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
                            sizes->surface_depth);

    size = mode_cmd.pitches[0] * mode_cmd.height;
    size = ALIGN(size, PAGE_SIZE);
    obj = i915_gem_alloc_object(dev, size);
    if (!obj) {
        DRM_ERROR("failed to allocate framebuffer\n");
        ret = -ENOMEM;
        goto out;
    }

    mutex_lock(&dev->struct_mutex);


    ret = intel_pin_and_fence_fb_obj(dev, obj, false);
    if (ret) {
        DRM_ERROR("failed to pin fb: %d\n", ret);
        goto out_unref;
    }

    info = framebuffer_alloc(0, device);
    if (!info) {
        ret = -ENOMEM;
        goto out_unpin;
    }

    info->par = ifbdev;

    ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj);
    if (ret)
        goto out_unpin;

    fb = &ifbdev->ifb.base;

    ifbdev->helper.fb = fb;
    ifbdev->helper.fbdev = info;

    strcpy(info->fix.id, "inteldrmfb");

    info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
    info->fbops = &intelfb_ops;

    ret = fb_alloc_cmap(&info->cmap, 256, 0);
    if (ret) {
        ret = -ENOMEM;
        goto out_unpin;
    }

    info->apertures = alloc_apertures(1);
    if (!info->apertures) {
        ret = -ENOMEM;
        goto out_unpin;
    }
    info->apertures->ranges[0].base = dev->mode_config.fb_base;
    info->apertures->ranges[0].size =
        dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;

    info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset;
    info->fix.smem_len = size;

    info->screen_base = ioremap_wc(dev->agp->base + obj->gtt_offset, size);
    if (!info->screen_base) {
        ret = -ENOSPC;
        goto out_unpin;
    }
    info->screen_size = size;


    drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
    drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height);



    DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n",
                  fb->width, fb->height,
                  obj->gtt_offset, obj);


    mutex_unlock(&dev->struct_mutex);
    vga_switcheroo_client_fb_set(dev->pdev, info);
    return 0;

out_unpin:
    i915_gem_object_unpin(obj);
out_unref:
    drm_gem_object_unreference(&obj->base);
    mutex_unlock(&dev->struct_mutex);
out:
    return ret;
}
示例#4
0
static int intelfb_create(struct intel_fbdev *ifbdev,
			  struct drm_fb_helper_surface_size *sizes)
{
	struct drm_device *dev = ifbdev->helper.dev;
#if 0
	struct drm_i915_private *dev_priv = dev->dev_private;
#endif
	struct fb_info *info;
	struct drm_framebuffer *fb;
	struct drm_mode_fb_cmd2 mode_cmd;
	struct drm_i915_gem_object *obj;
	int size, ret;

	/* we don't do packed 24bpp */
	if (sizes->surface_bpp == 24)
		sizes->surface_bpp = 32;

	mode_cmd.width = sizes->surface_width;
	mode_cmd.height = sizes->surface_height;

	mode_cmd.pitches[0] = roundup2(mode_cmd.width * ((sizes->surface_bpp + 7) /
							 8), 64);
	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
							  sizes->surface_depth);

	size = mode_cmd.pitches[0] * mode_cmd.height;
	size = roundup2(size, PAGE_SIZE);
	obj = i915_gem_alloc_object(dev, size);
	if (!obj) {
		DRM_ERROR("failed to allocate framebuffer\n");
		ret = -ENOMEM;
		goto out;
	}

	DRM_LOCK(dev);

	/* Flush everything out, we'll be doing GTT only from now on */
	ret = intel_pin_and_fence_fb_obj(dev, obj, false);
	if (ret) {
		DRM_ERROR("failed to pin fb: %d\n", ret);
		goto out_unref;
	}

#if 0
	info = framebuffer_alloc(0, device);
	if (!info) {
		ret = -ENOMEM;
		goto out_unpin;
	}

	info->par = ifbdev;
#else
	info = malloc(sizeof(struct fb_info), DRM_MEM_KMS, M_WAITOK | M_ZERO);
	info->fb_size = size;
	info->fb_bpp = sizes->surface_bpp;
	info->fb_width = sizes->fb_width;
	info->fb_height = sizes->fb_height;
	info->fb_pbase = dev->agp->base + obj->gtt_offset;
	info->fb_vbase = (vm_offset_t)pmap_mapdev_attr(info->fb_pbase, size,
	    PAT_WRITE_COMBINING);

#endif

	ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj);
	if (ret)
		goto out_unpin;

	fb = &ifbdev->ifb.base;

	ifbdev->helper.fb = fb;
	ifbdev->helper.fbdev = info;
#if 0

	strcpy(info->fix.id, "inteldrmfb");

	info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
	info->fbops = &intelfb_ops;

	ret = fb_alloc_cmap(&info->cmap, 256, 0);
	if (ret) {
		ret = -ENOMEM;
		goto out_unpin;
	}
	/* setup aperture base/size for vesafb takeover */
	info->apertures = alloc_apertures(1);
	if (!info->apertures) {
		ret = -ENOMEM;
		goto out_unpin;
	}
	info->apertures->ranges[0].base = dev->mode_config.fb_base;
	info->apertures->ranges[0].size =
		dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;

	info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset;
	info->fix.smem_len = size;

	info->screen_base = ioremap_wc(dev->agp->base + obj->gtt_offset, size);
	if (!info->screen_base) {
		ret = -ENOSPC;
		goto out_unpin;
	}
	info->screen_size = size;

//	memset(info->screen_base, 0, size);

	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
	drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height);

	/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
#endif
	DRM_DEBUG_KMS("allocated %dx%d (s %dbits) fb: 0x%08x, bo %p\n",
		      fb->width, fb->height, fb->depth,
		      obj->gtt_offset, obj);

	DRM_UNLOCK(dev);
#if 1
	KIB_NOTYET();
#else
	vga_switcheroo_client_fb_set(dev->pdev, info);
#endif
	return 0;

out_unpin:
	i915_gem_object_unpin(obj);
out_unref:
	drm_gem_object_unreference(&obj->base);
	DRM_UNLOCK(dev);
out:
	return ret;
}
static int intelfb_create(struct drm_fb_helper *helper,
			  struct drm_fb_helper_surface_size *sizes)
{
	struct intel_fbdev *ifbdev =
		container_of(helper, struct intel_fbdev, helper);
	struct drm_device *dev = helper->dev;
	struct drm_i915_private *dev_priv = dev->dev_private;
	struct fb_info *info;
	struct drm_framebuffer *fb;
	struct drm_mode_fb_cmd2 mode_cmd = {};
	struct drm_i915_gem_object *obj;
	struct device *device = &dev->pdev->dev;
	int size, ret;

	/* we don't do packed 24bpp */
	if (sizes->surface_bpp == 24)
		sizes->surface_bpp = 32;

	mode_cmd.width = sizes->surface_width;
	mode_cmd.height = sizes->surface_height;

	mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((sizes->surface_bpp + 7) /
						      8), 64);
	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
							  sizes->surface_depth);

	size = mode_cmd.pitches[0] * mode_cmd.height;
	size = ALIGN(size, PAGE_SIZE);
	obj = i915_gem_object_create_stolen(dev, size);
	if (obj == NULL)
		obj = i915_gem_alloc_object(dev, size);
	if (!obj) {
		DRM_ERROR("failed to allocate framebuffer\n");
		ret = -ENOMEM;
		goto out;
	}

	mutex_lock(&dev->struct_mutex);

	/* Flush everything out, we'll be doing GTT only from now on */
	ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
	if (ret) {
		DRM_ERROR("failed to pin fb: %d\n", ret);
		goto out_unref;
	}

	info = framebuffer_alloc(0, device);
	if (!info) {
		ret = -ENOMEM;
		goto out_unpin;
	}

	info->par = helper;

	ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj);
	if (ret)
		goto out_fbrelease;

	fb = &ifbdev->ifb.base;

	ifbdev->helper.fb = fb;
	ifbdev->helper.fbdev = info;

	strncpy(info->fix.id, "inteldrmfb", sizeof(info->fix.id) - 1);

	info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
	info->fbops = &intelfb_ops;

	ret = fb_alloc_cmap(&info->cmap, 256, 0);
	if (ret) {
		ret = -ENOMEM;
		goto out_fbdestroy;
	}
	/* setup aperture base/size for vesafb takeover */
	info->apertures = alloc_apertures(1);
	if (!info->apertures) {
		ret = -ENOMEM;
		goto out_decmap;
	}
	info->apertures->ranges[0].base = dev->mode_config.fb_base;
	info->apertures->ranges[0].size = dev_priv->gtt.mappable_end;

	info->fix.smem_start = dev->mode_config.fb_base + i915_gem_obj_ggtt_offset(obj);
	info->fix.smem_len = size;

	info->screen_base =
		ioremap_wc(dev_priv->gtt.mappable_base + i915_gem_obj_ggtt_offset(obj),
			   size);
	if (!info->screen_base) {
		ret = -ENOSPC;
		goto out_freeap;
	}
	info->screen_size = size;

	/* This driver doesn't need a VT switch to restore the mode on resume */
	info->skip_vt_switch = true;

	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
	drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height);

	/* If the object is shmemfs backed, it will have given us zeroed pages.
	 * If the object is stolen however, it will be full of whatever
	 * garbage was left in there.
	 */
	if (ifbdev->ifb.obj->stolen)
		memset_io(info->screen_base, 0, info->screen_size);

	/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */

	DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08lx, bo %p\n",
		      fb->width, fb->height,
		      i915_gem_obj_ggtt_offset(obj), obj);


	mutex_unlock(&dev->struct_mutex);
	vga_switcheroo_client_fb_set(dev->pdev, info);
	return 0;

out_freeap:
	kfree(info->apertures);
out_decmap:
	fb_dealloc_cmap(&info->cmap);
out_fbdestroy:
	fb->funcs->destroy(fb);
out_fbrelease:
	kfree(info);
out_unpin:
	i915_gem_object_unpin(obj);
out_unref:
	drm_gem_object_unreference(&obj->base);
	mutex_unlock(&dev->struct_mutex);
out:
	return ret;
}
示例#6
0
static int intelfb_create(struct intel_fbdev *ifbdev,
    struct drm_fb_helper_surface_size *sizes)
{
	struct drm_device *dev = ifbdev->helper.dev;
	struct drm_i915_private *dev_priv = dev->dev_private;
#if 0
	struct fb_info *info;
#endif
	struct drm_framebuffer *fb;
	struct drm_mode_fb_cmd2 mode_cmd = {};
	struct drm_i915_gem_object *obj;
	int size, ret;

	/* we don't do packed 24bpp */
	if (sizes->surface_bpp == 24)
		sizes->surface_bpp = 32;

	mode_cmd.width = sizes->surface_width;
	mode_cmd.height = sizes->surface_height;

	mode_cmd.pitches[0] = roundup2(mode_cmd.width * ((sizes->surface_bpp + 7) /
							 8), 64);
	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
							  sizes->surface_depth);

	size = mode_cmd.pitches[0] * mode_cmd.height;
	size = roundup2(size, PAGE_SIZE);
	obj = i915_gem_alloc_object(dev, size);
	if (!obj) {
		DRM_ERROR("failed to allocate framebuffer\n");
		ret = -ENOMEM;
		goto out;
	}

	DRM_LOCK();

	/* Flush everything out, we'll be doing GTT only from now on */
	ret = intel_pin_and_fence_fb_obj(dev, obj, false);
	if (ret) {
		DRM_ERROR("failed to pin fb: %d\n", ret);
		goto out_unref;
	}

#if 0
	info = framebuffer_alloc(0, device);
	if (!info) {
		ret = -ENOMEM;
		goto out_unpin;
	}

	info->par = ifbdev;
#endif

	ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj);
	if (ret)
		goto out_unpin;

	fb = &ifbdev->ifb.base;

	ifbdev->helper.fb = fb;
#if 0
	ifbdev->helper.fbdev = info;

	strlcpy(info->fix.id, "inteldrmfb", sizeof(info->fix.id));

	info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
	info->fbops = &intelfb_ops;

	ret = fb_alloc_cmap(&info->cmap, 256, 0);
	if (ret) {
		ret = -ENOMEM;
		goto out_unpin;
	}
	/* setup aperture base/size for vesafb takeover */
	info->apertures = alloc_apertures(1);
	if (!info->apertures) {
		ret = -ENOMEM;
		goto out_unpin;
	}
	info->apertures->ranges[0].base = dev->mode_config.fb_base;
	info->apertures->ranges[0].size =
		dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;

	info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset;
	info->fix.smem_len = size;

	info->screen_base = ioremap_wc(dev->agp->base + obj->gtt_offset, size);
	if (!info->screen_base) {
		ret = -ENOSPC;
		goto out_unpin;
	}
	info->screen_size = size;

//	memset(info->screen_base, 0, size);

	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
	drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height);

	/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
#else
{
	struct rasops_info *ri = &dev_priv->ro;
	bus_space_handle_t bsh;
	int err;

	err = agp_map_subregion(dev_priv->agph, obj->gtt_offset, size, &bsh);
	if (err) {
		ret = -err;
		goto out_unpin;
	}

	ri->ri_bits = bus_space_vaddr(dev->bst, bsh);
	ri->ri_depth = fb->bits_per_pixel;
	ri->ri_stride = fb->pitches[0];
	ri->ri_width = sizes->fb_width;
	ri->ri_height = sizes->fb_height;

	switch (fb->pixel_format) {
	case DRM_FORMAT_XRGB8888:
		ri->ri_rnum = 8;
		ri->ri_rpos = 16;
		ri->ri_gnum = 8;
		ri->ri_gpos = 8;
		ri->ri_bnum = 8;
		ri->ri_bpos = 0;
		break;
	case DRM_FORMAT_RGB565:
		ri->ri_rnum = 5;
		ri->ri_rpos = 11;
		ri->ri_gnum = 6;
		ri->ri_gpos = 5;
		ri->ri_bnum = 5;
		ri->ri_bpos = 0;
		break;
	}
}
#endif

	DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n",
		      fb->width, fb->height,
		      obj->gtt_offset, obj);

	DRM_UNLOCK();
#if 1
	DRM_DEBUG_KMS("skipping call to vga_switcheroo_client_fb_set\n");
#else
	vga_switcheroo_client_fb_set(dev->pdev, info);
#endif
	return 0;

out_unpin:
	i915_gem_object_unpin(obj);
out_unref:
	drm_gem_object_unreference(&obj->base);
	DRM_UNLOCK();
out:
	return ret;
}