ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/marvell/linux/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
new file mode 100644
index 0000000..8e7b054
--- /dev/null
+++ b/marvell/linux/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -0,0 +1,845 @@
+/**************************************************************************
+ *
+ * Copyright © 2007 David Airlie
+ * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+#include <linux/pci.h>
+
+#include <drm/drm_fourcc.h>
+#include <drm/ttm/ttm_placement.h>
+
+#include "vmwgfx_drv.h"
+#include "vmwgfx_kms.h"
+
+#define VMW_DIRTY_DELAY (HZ / 30)
+
+struct vmw_fb_par {
+ struct vmw_private *vmw_priv;
+
+ void *vmalloc;
+
+ struct mutex bo_mutex;
+ struct vmw_buffer_object *vmw_bo;
+ unsigned bo_size;
+ struct drm_framebuffer *set_fb;
+ struct drm_display_mode *set_mode;
+ u32 fb_x;
+ u32 fb_y;
+ bool bo_iowrite;
+
+ u32 pseudo_palette[17];
+
+ unsigned max_width;
+ unsigned max_height;
+
+ struct {
+ spinlock_t lock;
+ bool active;
+ unsigned x1;
+ unsigned y1;
+ unsigned x2;
+ unsigned y2;
+ } dirty;
+
+ struct drm_crtc *crtc;
+ struct drm_connector *con;
+ struct delayed_work local_work;
+};
+
+static int vmw_fb_setcolreg(unsigned regno, unsigned red, unsigned green,
+ unsigned blue, unsigned transp,
+ struct fb_info *info)
+{
+ struct vmw_fb_par *par = info->par;
+ u32 *pal = par->pseudo_palette;
+
+ if (regno > 15) {
+ DRM_ERROR("Bad regno %u.\n", regno);
+ return 1;
+ }
+
+ switch (par->set_fb->format->depth) {
+ case 24:
+ case 32:
+ pal[regno] = ((red & 0xff00) << 8) |
+ (green & 0xff00) |
+ ((blue & 0xff00) >> 8);
+ break;
+ default:
+ DRM_ERROR("Bad depth %u, bpp %u.\n",
+ par->set_fb->format->depth,
+ par->set_fb->format->cpp[0] * 8);
+ return 1;
+ }
+
+ return 0;
+}
+
+static int vmw_fb_check_var(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ int depth = var->bits_per_pixel;
+ struct vmw_fb_par *par = info->par;
+ struct vmw_private *vmw_priv = par->vmw_priv;
+
+ switch (var->bits_per_pixel) {
+ case 32:
+ depth = (var->transp.length > 0) ? 32 : 24;
+ break;
+ default:
+ DRM_ERROR("Bad bpp %u.\n", var->bits_per_pixel);
+ return -EINVAL;
+ }
+
+ switch (depth) {
+ case 24:
+ var->red.offset = 16;
+ var->green.offset = 8;
+ var->blue.offset = 0;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ var->transp.length = 0;
+ var->transp.offset = 0;
+ break;
+ case 32:
+ var->red.offset = 16;
+ var->green.offset = 8;
+ var->blue.offset = 0;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ var->transp.length = 8;
+ var->transp.offset = 24;
+ break;
+ default:
+ DRM_ERROR("Bad depth %u.\n", depth);
+ return -EINVAL;
+ }
+
+ if ((var->xoffset + var->xres) > par->max_width ||
+ (var->yoffset + var->yres) > par->max_height) {
+ DRM_ERROR("Requested geom can not fit in framebuffer\n");
+ return -EINVAL;
+ }
+
+ if (!vmw_kms_validate_mode_vram(vmw_priv,
+ var->xres * var->bits_per_pixel/8,
+ var->yoffset + var->yres)) {
+ DRM_ERROR("Requested geom can not fit in framebuffer\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vmw_fb_blank(int blank, struct fb_info *info)
+{
+ return 0;
+}
+
+/**
+ * vmw_fb_dirty_flush - flush dirty regions to the kms framebuffer
+ *
+ * @work: The struct work_struct associated with this task.
+ *
+ * This function flushes the dirty regions of the vmalloc framebuffer to the
+ * kms framebuffer, and if the kms framebuffer is visible, also updated the
+ * corresponding displays. Note that this function runs even if the kms
+ * framebuffer is not bound to a crtc and thus not visible, but it's turned
+ * off during hibernation using the par->dirty.active bool.
+ */
+static void vmw_fb_dirty_flush(struct work_struct *work)
+{
+ struct vmw_fb_par *par = container_of(work, struct vmw_fb_par,
+ local_work.work);
+ struct vmw_private *vmw_priv = par->vmw_priv;
+ struct fb_info *info = vmw_priv->fb_info;
+ unsigned long irq_flags;
+ s32 dst_x1, dst_x2, dst_y1, dst_y2, w = 0, h = 0;
+ u32 cpp, max_x, max_y;
+ struct drm_clip_rect clip;
+ struct drm_framebuffer *cur_fb;
+ u8 *src_ptr, *dst_ptr;
+ struct vmw_buffer_object *vbo = par->vmw_bo;
+ void *virtual;
+
+ if (!READ_ONCE(par->dirty.active))
+ return;
+
+ mutex_lock(&par->bo_mutex);
+ cur_fb = par->set_fb;
+ if (!cur_fb)
+ goto out_unlock;
+
+ (void) ttm_read_lock(&vmw_priv->reservation_sem, false);
+ (void) ttm_bo_reserve(&vbo->base, false, false, NULL);
+ virtual = vmw_bo_map_and_cache(vbo);
+ if (!virtual)
+ goto out_unreserve;
+
+ spin_lock_irqsave(&par->dirty.lock, irq_flags);
+ if (!par->dirty.active) {
+ spin_unlock_irqrestore(&par->dirty.lock, irq_flags);
+ goto out_unreserve;
+ }
+
+ /*
+ * Handle panning when copying from vmalloc to framebuffer.
+ * Clip dirty area to framebuffer.
+ */
+ cpp = cur_fb->format->cpp[0];
+ max_x = par->fb_x + cur_fb->width;
+ max_y = par->fb_y + cur_fb->height;
+
+ dst_x1 = par->dirty.x1 - par->fb_x;
+ dst_y1 = par->dirty.y1 - par->fb_y;
+ dst_x1 = max_t(s32, dst_x1, 0);
+ dst_y1 = max_t(s32, dst_y1, 0);
+
+ dst_x2 = par->dirty.x2 - par->fb_x;
+ dst_y2 = par->dirty.y2 - par->fb_y;
+ dst_x2 = min_t(s32, dst_x2, max_x);
+ dst_y2 = min_t(s32, dst_y2, max_y);
+ w = dst_x2 - dst_x1;
+ h = dst_y2 - dst_y1;
+ w = max_t(s32, 0, w);
+ h = max_t(s32, 0, h);
+
+ par->dirty.x1 = par->dirty.x2 = 0;
+ par->dirty.y1 = par->dirty.y2 = 0;
+ spin_unlock_irqrestore(&par->dirty.lock, irq_flags);
+
+ if (w && h) {
+ dst_ptr = (u8 *)virtual +
+ (dst_y1 * par->set_fb->pitches[0] + dst_x1 * cpp);
+ src_ptr = (u8 *)par->vmalloc +
+ ((dst_y1 + par->fb_y) * info->fix.line_length +
+ (dst_x1 + par->fb_x) * cpp);
+
+ while (h-- > 0) {
+ memcpy(dst_ptr, src_ptr, w*cpp);
+ dst_ptr += par->set_fb->pitches[0];
+ src_ptr += info->fix.line_length;
+ }
+
+ clip.x1 = dst_x1;
+ clip.x2 = dst_x2;
+ clip.y1 = dst_y1;
+ clip.y2 = dst_y2;
+ }
+
+out_unreserve:
+ ttm_bo_unreserve(&vbo->base);
+ ttm_read_unlock(&vmw_priv->reservation_sem);
+ if (w && h) {
+ WARN_ON_ONCE(par->set_fb->funcs->dirty(cur_fb, NULL, 0, 0,
+ &clip, 1));
+ vmw_fifo_flush(vmw_priv, false);
+ }
+out_unlock:
+ mutex_unlock(&par->bo_mutex);
+}
+
+static void vmw_fb_dirty_mark(struct vmw_fb_par *par,
+ unsigned x1, unsigned y1,
+ unsigned width, unsigned height)
+{
+ unsigned long flags;
+ unsigned x2 = x1 + width;
+ unsigned y2 = y1 + height;
+
+ spin_lock_irqsave(&par->dirty.lock, flags);
+ if (par->dirty.x1 == par->dirty.x2) {
+ par->dirty.x1 = x1;
+ par->dirty.y1 = y1;
+ par->dirty.x2 = x2;
+ par->dirty.y2 = y2;
+ /* if we are active start the dirty work
+ * we share the work with the defio system */
+ if (par->dirty.active)
+ schedule_delayed_work(&par->local_work,
+ VMW_DIRTY_DELAY);
+ } else {
+ if (x1 < par->dirty.x1)
+ par->dirty.x1 = x1;
+ if (y1 < par->dirty.y1)
+ par->dirty.y1 = y1;
+ if (x2 > par->dirty.x2)
+ par->dirty.x2 = x2;
+ if (y2 > par->dirty.y2)
+ par->dirty.y2 = y2;
+ }
+ spin_unlock_irqrestore(&par->dirty.lock, flags);
+}
+
+static int vmw_fb_pan_display(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ struct vmw_fb_par *par = info->par;
+
+ if ((var->xoffset + var->xres) > var->xres_virtual ||
+ (var->yoffset + var->yres) > var->yres_virtual) {
+ DRM_ERROR("Requested panning can not fit in framebuffer\n");
+ return -EINVAL;
+ }
+
+ mutex_lock(&par->bo_mutex);
+ par->fb_x = var->xoffset;
+ par->fb_y = var->yoffset;
+ if (par->set_fb)
+ vmw_fb_dirty_mark(par, par->fb_x, par->fb_y, par->set_fb->width,
+ par->set_fb->height);
+ mutex_unlock(&par->bo_mutex);
+
+ return 0;
+}
+
+static void vmw_deferred_io(struct fb_info *info,
+ struct list_head *pagelist)
+{
+ struct vmw_fb_par *par = info->par;
+ unsigned long start, end, min, max;
+ unsigned long flags;
+ struct page *page;
+ int y1, y2;
+
+ min = ULONG_MAX;
+ max = 0;
+ list_for_each_entry(page, pagelist, lru) {
+ start = page->index << PAGE_SHIFT;
+ end = start + PAGE_SIZE - 1;
+ min = min(min, start);
+ max = max(max, end);
+ }
+
+ if (min < max) {
+ y1 = min / info->fix.line_length;
+ y2 = (max / info->fix.line_length) + 1;
+
+ spin_lock_irqsave(&par->dirty.lock, flags);
+ par->dirty.x1 = 0;
+ par->dirty.y1 = y1;
+ par->dirty.x2 = info->var.xres;
+ par->dirty.y2 = y2;
+ spin_unlock_irqrestore(&par->dirty.lock, flags);
+
+ /*
+ * Since we've already waited on this work once, try to
+ * execute asap.
+ */
+ cancel_delayed_work(&par->local_work);
+ schedule_delayed_work(&par->local_work, 0);
+ }
+};
+
+static struct fb_deferred_io vmw_defio = {
+ .delay = VMW_DIRTY_DELAY,
+ .deferred_io = vmw_deferred_io,
+};
+
+/*
+ * Draw code
+ */
+
+static void vmw_fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
+{
+ cfb_fillrect(info, rect);
+ vmw_fb_dirty_mark(info->par, rect->dx, rect->dy,
+ rect->width, rect->height);
+}
+
+static void vmw_fb_copyarea(struct fb_info *info, const struct fb_copyarea *region)
+{
+ cfb_copyarea(info, region);
+ vmw_fb_dirty_mark(info->par, region->dx, region->dy,
+ region->width, region->height);
+}
+
+static void vmw_fb_imageblit(struct fb_info *info, const struct fb_image *image)
+{
+ cfb_imageblit(info, image);
+ vmw_fb_dirty_mark(info->par, image->dx, image->dy,
+ image->width, image->height);
+}
+
+/*
+ * Bring up code
+ */
+
+static int vmw_fb_create_bo(struct vmw_private *vmw_priv,
+ size_t size, struct vmw_buffer_object **out)
+{
+ struct vmw_buffer_object *vmw_bo;
+ int ret;
+
+ (void) ttm_write_lock(&vmw_priv->reservation_sem, false);
+
+ vmw_bo = kmalloc(sizeof(*vmw_bo), GFP_KERNEL);
+ if (!vmw_bo) {
+ ret = -ENOMEM;
+ goto err_unlock;
+ }
+
+ ret = vmw_bo_init(vmw_priv, vmw_bo, size,
+ &vmw_sys_placement,
+ false,
+ &vmw_bo_bo_free);
+ if (unlikely(ret != 0))
+ goto err_unlock; /* init frees the buffer on failure */
+
+ *out = vmw_bo;
+ ttm_write_unlock(&vmw_priv->reservation_sem);
+
+ return 0;
+
+err_unlock:
+ ttm_write_unlock(&vmw_priv->reservation_sem);
+ return ret;
+}
+
+static int vmw_fb_compute_depth(struct fb_var_screeninfo *var,
+ int *depth)
+{
+ switch (var->bits_per_pixel) {
+ case 32:
+ *depth = (var->transp.length > 0) ? 32 : 24;
+ break;
+ default:
+ DRM_ERROR("Bad bpp %u.\n", var->bits_per_pixel);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vmwgfx_set_config_internal(struct drm_mode_set *set)
+{
+ struct drm_crtc *crtc = set->crtc;
+ struct drm_modeset_acquire_ctx ctx;
+ int ret;
+
+ drm_modeset_acquire_init(&ctx, 0);
+
+restart:
+ ret = crtc->funcs->set_config(set, &ctx);
+
+ if (ret == -EDEADLK) {
+ drm_modeset_backoff(&ctx);
+ goto restart;
+ }
+
+ drm_modeset_drop_locks(&ctx);
+ drm_modeset_acquire_fini(&ctx);
+
+ return ret;
+}
+
+static int vmw_fb_kms_detach(struct vmw_fb_par *par,
+ bool detach_bo,
+ bool unref_bo)
+{
+ struct drm_framebuffer *cur_fb = par->set_fb;
+ int ret;
+
+ /* Detach the KMS framebuffer from crtcs */
+ if (par->set_mode) {
+ struct drm_mode_set set;
+
+ set.crtc = par->crtc;
+ set.x = 0;
+ set.y = 0;
+ set.mode = NULL;
+ set.fb = NULL;
+ set.num_connectors = 0;
+ set.connectors = &par->con;
+ ret = vmwgfx_set_config_internal(&set);
+ if (ret) {
+ DRM_ERROR("Could not unset a mode.\n");
+ return ret;
+ }
+ drm_mode_destroy(par->vmw_priv->dev, par->set_mode);
+ par->set_mode = NULL;
+ }
+
+ if (cur_fb) {
+ drm_framebuffer_put(cur_fb);
+ par->set_fb = NULL;
+ }
+
+ if (par->vmw_bo && detach_bo && unref_bo)
+ vmw_bo_unreference(&par->vmw_bo);
+
+ return 0;
+}
+
+static int vmw_fb_kms_framebuffer(struct fb_info *info)
+{
+ struct drm_mode_fb_cmd2 mode_cmd = {0};
+ struct vmw_fb_par *par = info->par;
+ struct fb_var_screeninfo *var = &info->var;
+ struct drm_framebuffer *cur_fb;
+ struct vmw_framebuffer *vfb;
+ int ret = 0, depth;
+ size_t new_bo_size;
+
+ ret = vmw_fb_compute_depth(var, &depth);
+ if (ret)
+ return ret;
+
+ mode_cmd.width = var->xres;
+ mode_cmd.height = var->yres;
+ mode_cmd.pitches[0] = ((var->bits_per_pixel + 7) / 8) * mode_cmd.width;
+ mode_cmd.pixel_format =
+ drm_mode_legacy_fb_format(var->bits_per_pixel, depth);
+
+ cur_fb = par->set_fb;
+ if (cur_fb && cur_fb->width == mode_cmd.width &&
+ cur_fb->height == mode_cmd.height &&
+ cur_fb->format->format == mode_cmd.pixel_format &&
+ cur_fb->pitches[0] == mode_cmd.pitches[0])
+ return 0;
+
+ /* Need new buffer object ? */
+ new_bo_size = (size_t) mode_cmd.pitches[0] * (size_t) mode_cmd.height;
+ ret = vmw_fb_kms_detach(par,
+ par->bo_size < new_bo_size ||
+ par->bo_size > 2*new_bo_size,
+ true);
+ if (ret)
+ return ret;
+
+ if (!par->vmw_bo) {
+ ret = vmw_fb_create_bo(par->vmw_priv, new_bo_size,
+ &par->vmw_bo);
+ if (ret) {
+ DRM_ERROR("Failed creating a buffer object for "
+ "fbdev.\n");
+ return ret;
+ }
+ par->bo_size = new_bo_size;
+ }
+
+ vfb = vmw_kms_new_framebuffer(par->vmw_priv, par->vmw_bo, NULL,
+ true, &mode_cmd);
+ if (IS_ERR(vfb))
+ return PTR_ERR(vfb);
+
+ par->set_fb = &vfb->base;
+
+ return 0;
+}
+
+static int vmw_fb_set_par(struct fb_info *info)
+{
+ struct vmw_fb_par *par = info->par;
+ struct vmw_private *vmw_priv = par->vmw_priv;
+ struct drm_mode_set set;
+ struct fb_var_screeninfo *var = &info->var;
+ struct drm_display_mode new_mode = { DRM_MODE("fb_mode",
+ DRM_MODE_TYPE_DRIVER,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
+ };
+ struct drm_display_mode *mode;
+ int ret;
+
+ mode = drm_mode_duplicate(vmw_priv->dev, &new_mode);
+ if (!mode) {
+ DRM_ERROR("Could not create new fb mode.\n");
+ return -ENOMEM;
+ }
+
+ mode->hdisplay = var->xres;
+ mode->vdisplay = var->yres;
+ vmw_guess_mode_timing(mode);
+
+ if (!vmw_kms_validate_mode_vram(vmw_priv,
+ mode->hdisplay *
+ DIV_ROUND_UP(var->bits_per_pixel, 8),
+ mode->vdisplay)) {
+ drm_mode_destroy(vmw_priv->dev, mode);
+ return -EINVAL;
+ }
+
+ mutex_lock(&par->bo_mutex);
+ ret = vmw_fb_kms_framebuffer(info);
+ if (ret)
+ goto out_unlock;
+
+ par->fb_x = var->xoffset;
+ par->fb_y = var->yoffset;
+
+ set.crtc = par->crtc;
+ set.x = 0;
+ set.y = 0;
+ set.mode = mode;
+ set.fb = par->set_fb;
+ set.num_connectors = 1;
+ set.connectors = &par->con;
+
+ ret = vmwgfx_set_config_internal(&set);
+ if (ret)
+ goto out_unlock;
+
+ vmw_fb_dirty_mark(par, par->fb_x, par->fb_y,
+ par->set_fb->width, par->set_fb->height);
+
+ /* If there already was stuff dirty we wont
+ * schedule a new work, so lets do it now */
+
+ schedule_delayed_work(&par->local_work, 0);
+
+out_unlock:
+ if (par->set_mode)
+ drm_mode_destroy(vmw_priv->dev, par->set_mode);
+ par->set_mode = mode;
+
+ mutex_unlock(&par->bo_mutex);
+
+ return ret;
+}
+
+
+static struct fb_ops vmw_fb_ops = {
+ .owner = THIS_MODULE,
+ .fb_check_var = vmw_fb_check_var,
+ .fb_set_par = vmw_fb_set_par,
+ .fb_setcolreg = vmw_fb_setcolreg,
+ .fb_fillrect = vmw_fb_fillrect,
+ .fb_copyarea = vmw_fb_copyarea,
+ .fb_imageblit = vmw_fb_imageblit,
+ .fb_pan_display = vmw_fb_pan_display,
+ .fb_blank = vmw_fb_blank,
+};
+
+int vmw_fb_init(struct vmw_private *vmw_priv)
+{
+ struct device *device = &vmw_priv->dev->pdev->dev;
+ struct vmw_fb_par *par;
+ struct fb_info *info;
+ unsigned fb_width, fb_height;
+ unsigned int fb_bpp, fb_pitch, fb_size;
+ struct drm_display_mode *init_mode;
+ int ret;
+
+ fb_bpp = 32;
+
+ /* XXX As shouldn't these be as well. */
+ fb_width = min(vmw_priv->fb_max_width, (unsigned)2048);
+ fb_height = min(vmw_priv->fb_max_height, (unsigned)2048);
+
+ fb_pitch = fb_width * fb_bpp / 8;
+ fb_size = fb_pitch * fb_height;
+
+ info = framebuffer_alloc(sizeof(*par), device);
+ if (!info)
+ return -ENOMEM;
+
+ /*
+ * Par
+ */
+ vmw_priv->fb_info = info;
+ par = info->par;
+ memset(par, 0, sizeof(*par));
+ INIT_DELAYED_WORK(&par->local_work, &vmw_fb_dirty_flush);
+ par->vmw_priv = vmw_priv;
+ par->vmalloc = NULL;
+ par->max_width = fb_width;
+ par->max_height = fb_height;
+
+ ret = vmw_kms_fbdev_init_data(vmw_priv, 0, par->max_width,
+ par->max_height, &par->con,
+ &par->crtc, &init_mode);
+ if (ret)
+ goto err_kms;
+
+ info->var.xres = init_mode->hdisplay;
+ info->var.yres = init_mode->vdisplay;
+
+ /*
+ * Create buffers and alloc memory
+ */
+ par->vmalloc = vzalloc(fb_size);
+ if (unlikely(par->vmalloc == NULL)) {
+ ret = -ENOMEM;
+ goto err_free;
+ }
+
+ /*
+ * Fixed and var
+ */
+ strcpy(info->fix.id, "svgadrmfb");
+ info->fix.type = FB_TYPE_PACKED_PIXELS;
+ info->fix.visual = FB_VISUAL_TRUECOLOR;
+ info->fix.type_aux = 0;
+ info->fix.xpanstep = 1; /* doing it in hw */
+ info->fix.ypanstep = 1; /* doing it in hw */
+ info->fix.ywrapstep = 0;
+ info->fix.accel = FB_ACCEL_NONE;
+ info->fix.line_length = fb_pitch;
+
+ info->fix.smem_start = 0;
+ info->fix.smem_len = fb_size;
+
+ info->pseudo_palette = par->pseudo_palette;
+ info->screen_base = (char __iomem *)par->vmalloc;
+ info->screen_size = fb_size;
+
+ info->fbops = &vmw_fb_ops;
+
+ /* 24 depth per default */
+ info->var.red.offset = 16;
+ info->var.green.offset = 8;
+ info->var.blue.offset = 0;
+ info->var.red.length = 8;
+ info->var.green.length = 8;
+ info->var.blue.length = 8;
+ info->var.transp.offset = 0;
+ info->var.transp.length = 0;
+
+ info->var.xres_virtual = fb_width;
+ info->var.yres_virtual = fb_height;
+ info->var.bits_per_pixel = fb_bpp;
+ info->var.xoffset = 0;
+ info->var.yoffset = 0;
+ info->var.activate = FB_ACTIVATE_NOW;
+ info->var.height = -1;
+ info->var.width = -1;
+
+ /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
+ info->apertures = alloc_apertures(1);
+ if (!info->apertures) {
+ ret = -ENOMEM;
+ goto err_aper;
+ }
+ info->apertures->ranges[0].base = vmw_priv->vram_start;
+ info->apertures->ranges[0].size = vmw_priv->vram_size;
+
+ /*
+ * Dirty & Deferred IO
+ */
+ par->dirty.x1 = par->dirty.x2 = 0;
+ par->dirty.y1 = par->dirty.y2 = 0;
+ par->dirty.active = true;
+ spin_lock_init(&par->dirty.lock);
+ mutex_init(&par->bo_mutex);
+ info->fbdefio = &vmw_defio;
+ fb_deferred_io_init(info);
+
+ ret = register_framebuffer(info);
+ if (unlikely(ret != 0))
+ goto err_defio;
+
+ vmw_fb_set_par(info);
+
+ return 0;
+
+err_defio:
+ fb_deferred_io_cleanup(info);
+err_aper:
+err_free:
+ vfree(par->vmalloc);
+err_kms:
+ framebuffer_release(info);
+ vmw_priv->fb_info = NULL;
+
+ return ret;
+}
+
+int vmw_fb_close(struct vmw_private *vmw_priv)
+{
+ struct fb_info *info;
+ struct vmw_fb_par *par;
+
+ if (!vmw_priv->fb_info)
+ return 0;
+
+ info = vmw_priv->fb_info;
+ par = info->par;
+
+ /* ??? order */
+ fb_deferred_io_cleanup(info);
+ cancel_delayed_work_sync(&par->local_work);
+ unregister_framebuffer(info);
+
+ mutex_lock(&par->bo_mutex);
+ (void) vmw_fb_kms_detach(par, true, true);
+ mutex_unlock(&par->bo_mutex);
+
+ vfree(par->vmalloc);
+ framebuffer_release(info);
+
+ return 0;
+}
+
+int vmw_fb_off(struct vmw_private *vmw_priv)
+{
+ struct fb_info *info;
+ struct vmw_fb_par *par;
+ unsigned long flags;
+
+ if (!vmw_priv->fb_info)
+ return -EINVAL;
+
+ info = vmw_priv->fb_info;
+ par = info->par;
+
+ spin_lock_irqsave(&par->dirty.lock, flags);
+ par->dirty.active = false;
+ spin_unlock_irqrestore(&par->dirty.lock, flags);
+
+ flush_delayed_work(&info->deferred_work);
+ flush_delayed_work(&par->local_work);
+
+ return 0;
+}
+
+int vmw_fb_on(struct vmw_private *vmw_priv)
+{
+ struct fb_info *info;
+ struct vmw_fb_par *par;
+ unsigned long flags;
+
+ if (!vmw_priv->fb_info)
+ return -EINVAL;
+
+ info = vmw_priv->fb_info;
+ par = info->par;
+
+ spin_lock_irqsave(&par->dirty.lock, flags);
+ par->dirty.active = true;
+ spin_unlock_irqrestore(&par->dirty.lock, flags);
+
+ /*
+ * Need to reschedule a dirty update, because otherwise that's
+ * only done in dirty_mark() if the previous coalesced
+ * dirty region was empty.
+ */
+ schedule_delayed_work(&par->local_work, 0);
+
+ return 0;
+}