1 files changed, 0 insertions, 400 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
deleted file mode 100644
index c4807f0c43bc..000000000000
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ /dev/null
@@ -1,400 +0,0 @@
-/*
- * Copyright © 2007 David Airlie
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *     David Airlie
- */
-
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/pm_runtime.h>
-#include <linux/slab.h>
-#include <linux/vga_switcheroo.h>
-
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_fourcc.h>
-#include <drm/drm_framebuffer.h>
-#include <drm/radeon_drm.h>
-
-#include "radeon.h"
-
-/* object hierarchy -
- * this contains a helper + a radeon fb
- * the helper contains a pointer to radeon framebuffer baseclass.
- */
-struct radeon_fbdev {
-	struct drm_fb_helper helper; /* must be first */
-	struct drm_framebuffer fb;
-	struct radeon_device *rdev;
-};
-
-static int
-radeonfb_open(struct fb_info *info, int user)
-{
-	struct radeon_fbdev *rfbdev = info->par;
-	struct radeon_device *rdev = rfbdev->rdev;
-	int ret = pm_runtime_get_sync(rdev->ddev->dev);
-
-	if (ret < 0 && ret != -EACCES) {
-		pm_runtime_mark_last_busy(rdev->ddev->dev);
-		pm_runtime_put_autosuspend(rdev->ddev->dev);
-		return ret;
-	}
-	return 0;
-}
-
-static int
-radeonfb_release(struct fb_info *info, int user)
-{
-	struct radeon_fbdev *rfbdev = info->par;
-	struct radeon_device *rdev = rfbdev->rdev;
-
-	pm_runtime_mark_last_busy(rdev->ddev->dev);
-	pm_runtime_put_autosuspend(rdev->ddev->dev);
-	return 0;
-}
-
-static const struct fb_ops radeonfb_ops = {
-	.owner = THIS_MODULE,
-	DRM_FB_HELPER_DEFAULT_OPS,
-	.fb_open = radeonfb_open,
-	.fb_release = radeonfb_release,
-	.fb_read = drm_fb_helper_cfb_read,
-	.fb_write = drm_fb_helper_cfb_write,
-	.fb_fillrect = drm_fb_helper_cfb_fillrect,
-	.fb_copyarea = drm_fb_helper_cfb_copyarea,
-	.fb_imageblit = drm_fb_helper_cfb_imageblit,
-};
-
-
-int radeon_align_pitch(struct radeon_device *rdev, int width, int cpp, bool tiled)
-{
-	int aligned = width;
-	int align_large = (ASIC_IS_AVIVO(rdev)) || tiled;
-	int pitch_mask = 0;
-
-	switch (cpp) {
-	case 1:
-		pitch_mask = align_large ? 255 : 127;
-		break;
-	case 2:
-		pitch_mask = align_large ? 127 : 31;
-		break;
-	case 3:
-	case 4:
-		pitch_mask = align_large ? 63 : 15;
-		break;
-	}
-
-	aligned += pitch_mask;
-	aligned &= ~pitch_mask;
-	return aligned * cpp;
-}
-
-static void radeonfb_destroy_pinned_object(struct drm_gem_object *gobj)
-{
-	struct radeon_bo *rbo = gem_to_radeon_bo(gobj);
-	int ret;
-
-	ret = radeon_bo_reserve(rbo, false);
-	if (likely(ret == 0)) {
-		radeon_bo_kunmap(rbo);
-		radeon_bo_unpin(rbo);
-		radeon_bo_unreserve(rbo);
-	}
-	drm_gem_object_put(gobj);
-}
-
-static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev,
-					 struct drm_mode_fb_cmd2 *mode_cmd,
-					 struct drm_gem_object **gobj_p)
-{
-	const struct drm_format_info *info;
-	struct radeon_device *rdev = rfbdev->rdev;
-	struct drm_gem_object *gobj = NULL;
-	struct radeon_bo *rbo = NULL;
-	bool fb_tiled = false; /* useful for testing */
-	u32 tiling_flags = 0;
-	int ret;
-	int aligned_size, size;
-	int height = mode_cmd->height;
-	u32 cpp;
-
-	info = drm_get_format_info(rdev->ddev, mode_cmd);
-	cpp = info->cpp[0];
-
-	/* need to align pitch with crtc limits */
-	mode_cmd->pitches[0] = radeon_align_pitch(rdev, mode_cmd->width, cpp,
-						  fb_tiled);
-
-	if (rdev->family >= CHIP_R600)
-		height = ALIGN(mode_cmd->height, 8);
-	size = mode_cmd->pitches[0] * height;
-	aligned_size = ALIGN(size, PAGE_SIZE);
-	ret = radeon_gem_object_create(rdev, aligned_size, 0,
-				       RADEON_GEM_DOMAIN_VRAM,
-				       0, true, &gobj);
-	if (ret) {
-		pr_err("failed to allocate framebuffer (%d)\n", aligned_size);
-		return -ENOMEM;
-	}
-	rbo = gem_to_radeon_bo(gobj);
-
-	if (fb_tiled)
-		tiling_flags = RADEON_TILING_MACRO;
-
-#ifdef __BIG_ENDIAN
-	switch (cpp) {
-	case 4:
-		tiling_flags |= RADEON_TILING_SWAP_32BIT;
-		break;
-	case 2:
-		tiling_flags |= RADEON_TILING_SWAP_16BIT;
-		break;
-	default:
-		break;
-	}
-#endif
-
-	if (tiling_flags) {
-		ret = radeon_bo_set_tiling_flags(rbo,
-						 tiling_flags | RADEON_TILING_SURFACE,
-						 mode_cmd->pitches[0]);
-		if (ret)
-			dev_err(rdev->dev, "FB failed to set tiling flags\n");
-	}
-
-
-	ret = radeon_bo_reserve(rbo, false);
-	if (unlikely(ret != 0))
-		goto out_unref;
-	/* Only 27 bit offset for legacy CRTC */
-	ret = radeon_bo_pin_restricted(rbo, RADEON_GEM_DOMAIN_VRAM,
-				       ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27,
-				       NULL);
-	if (ret) {
-		radeon_bo_unreserve(rbo);
-		goto out_unref;
-	}
-	if (fb_tiled)
-		radeon_bo_check_tiling(rbo, 0, 0);
-	ret = radeon_bo_kmap(rbo, NULL);
-	radeon_bo_unreserve(rbo);
-	if (ret)
-		goto out_unref;
-
-	*gobj_p = gobj;
-	return 0;
-out_unref:
-	radeonfb_destroy_pinned_object(gobj);
-	*gobj_p = NULL;
-	return ret;
-}
-
-static int radeonfb_create(struct drm_fb_helper *helper,
-			   struct drm_fb_helper_surface_size *sizes)
-{
-	struct radeon_fbdev *rfbdev =
-		container_of(helper, struct radeon_fbdev, helper);
-	struct radeon_device *rdev = rfbdev->rdev;
-	struct fb_info *info;
-	struct drm_framebuffer *fb = NULL;
-	struct drm_mode_fb_cmd2 mode_cmd;
-	struct drm_gem_object *gobj = NULL;
-	struct radeon_bo *rbo = NULL;
-	int ret;
-	unsigned long tmp;
-
-	mode_cmd.width = sizes->surface_width;
-	mode_cmd.height = sizes->surface_height;
-
-	/* avivo can't scanout real 24bpp */
-	if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev))
-		sizes->surface_bpp = 32;
-
-	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
-							  sizes->surface_depth);
-
-	ret = radeonfb_create_pinned_object(rfbdev, &mode_cmd, &gobj);
-	if (ret) {
-		DRM_ERROR("failed to create fbcon object %d\n", ret);
-		return ret;
-	}
-
-	rbo = gem_to_radeon_bo(gobj);
-
-	/* okay we have an object now allocate the framebuffer */
-	info = drm_fb_helper_alloc_info(helper);
-	if (IS_ERR(info)) {
-		ret = PTR_ERR(info);
-		goto out;
-	}
-
-	/* radeon resume is fragile and needs a vt switch to help it along */
-	info->skip_vt_switch = false;
-
-	ret = radeon_framebuffer_init(rdev->ddev, &rfbdev->fb, &mode_cmd, gobj);
-	if (ret) {
-		DRM_ERROR("failed to initialize framebuffer %d\n", ret);
-		goto out;
-	}
-
-	fb = &rfbdev->fb;
-
-	/* setup helper */
-	rfbdev->helper.fb = fb;
-
-	memset_io(rbo->kptr, 0x0, radeon_bo_size(rbo));
-
-	info->fbops = &radeonfb_ops;
-
-	tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start;
-	info->fix.smem_start = rdev->mc.aper_base + tmp;
-	info->fix.smem_len = radeon_bo_size(rbo);
-	info->screen_base = rbo->kptr;
-	info->screen_size = radeon_bo_size(rbo);
-
-	drm_fb_helper_fill_info(info, &rfbdev->helper, sizes);
-
-	/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
-
-	if (info->screen_base == NULL) {
-		ret = -ENOSPC;
-		goto out;
-	}
-
-	DRM_INFO("fb mappable at 0x%lX\n",  info->fix.smem_start);
-	DRM_INFO("vram apper at 0x%lX\n",  (unsigned long)rdev->mc.aper_base);
-	DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo));
-	DRM_INFO("fb depth is %d\n", fb->format->depth);
-	DRM_INFO("   pitch is %d\n", fb->pitches[0]);
-
-	vga_switcheroo_client_fb_set(rdev->pdev, info);
-	return 0;
-
-out:
-	if (fb && ret) {
-		drm_gem_object_put(gobj);
-		drm_framebuffer_unregister_private(fb);
-		drm_framebuffer_cleanup(fb);
-		kfree(fb);
-	}
-	return ret;
-}
-
-static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev)
-{
-	struct drm_framebuffer *fb = &rfbdev->fb;
-
-	drm_fb_helper_unregister_info(&rfbdev->helper);
-
-	if (fb->obj[0]) {
-		radeonfb_destroy_pinned_object(fb->obj[0]);
-		fb->obj[0] = NULL;
-		drm_framebuffer_unregister_private(fb);
-		drm_framebuffer_cleanup(fb);
-	}
-	drm_fb_helper_fini(&rfbdev->helper);
-
-	return 0;
-}
-
-static const struct drm_fb_helper_funcs radeon_fb_helper_funcs = {
-	.fb_probe = radeonfb_create,
-};
-
-int radeon_fbdev_init(struct radeon_device *rdev)
-{
-	struct radeon_fbdev *rfbdev;
-	int bpp_sel = 32;
-	int ret;
-
-	/* don't enable fbdev if no connectors */
-	if (list_empty(&rdev->ddev->mode_config.connector_list))
-		return 0;
-
-	/* select 8 bpp console on 8MB cards, or 16 bpp on RN50 or 32MB */
-	if (rdev->mc.real_vram_size <= (8*1024*1024))
-		bpp_sel = 8;
-	else if (ASIC_IS_RN50(rdev) ||
-		 rdev->mc.real_vram_size <= (32*1024*1024))
-		bpp_sel = 16;
-
-	rfbdev = kzalloc(sizeof(struct radeon_fbdev), GFP_KERNEL);
-	if (!rfbdev)
-		return -ENOMEM;
-
-	rfbdev->rdev = rdev;
-	rdev->mode_info.rfbdev = rfbdev;
-
-	drm_fb_helper_prepare(rdev->ddev, &rfbdev->helper, bpp_sel,
-			      &radeon_fb_helper_funcs);
-
-	ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper);
-	if (ret)
-		goto free;
-
-	/* disable all the possible outputs/crtcs before entering KMS mode */
-	drm_helper_disable_unused_functions(rdev->ddev);
-
-	ret = drm_fb_helper_initial_config(&rfbdev->helper);
-	if (ret)
-		goto fini;
-
-	return 0;
-
-fini:
-	drm_fb_helper_fini(&rfbdev->helper);
-free:
-	drm_fb_helper_unprepare(&rfbdev->helper);
-	kfree(rfbdev);
-	return ret;
-}
-
-void radeon_fbdev_fini(struct radeon_device *rdev)
-{
-	if (!rdev->mode_info.rfbdev)
-		return;
-
-	radeon_fbdev_destroy(rdev->ddev, rdev->mode_info.rfbdev);
-	drm_fb_helper_unprepare(&rdev->mode_info.rfbdev->helper);
-	kfree(rdev->mode_info.rfbdev);
-	rdev->mode_info.rfbdev = NULL;
-}
-
-void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state)
-{
-	if (rdev->mode_info.rfbdev)
-		drm_fb_helper_set_suspend(&rdev->mode_info.rfbdev->helper, state);
-}
-
-bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
-{
-	if (!rdev->mode_info.rfbdev)
-		return false;
-
-	if (robj == gem_to_radeon_bo(rdev->mode_info.rfbdev->fb.obj[0]))
-		return true;
-	return false;
-}