#include <drm/drm_aperture.h>
#include <drm/drm_drv.h>
+#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_ttm_helper.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_module.h>
#define VMWGFX_DRIVER_DESC "Linux drm driver for VMware graphics devices"
-#define VMW_MIN_INITIAL_WIDTH 800
-#define VMW_MIN_INITIAL_HEIGHT 600
-
/*
* Fully encoded drm commands. Might move to vmw_drm.h
*/
};
MODULE_DEVICE_TABLE(pci, vmw_pci_id_list);
-static int enable_fbdev = IS_ENABLED(CONFIG_DRM_VMWGFX_FBCON);
static int vmw_restrict_iommu;
static int vmw_force_coherent;
static int vmw_restrict_dma_mask;
static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
void *ptr);
-MODULE_PARM_DESC(enable_fbdev, "Enable vmwgfx fbdev");
-module_param_named(enable_fbdev, enable_fbdev, int, 0600);
MODULE_PARM_DESC(restrict_iommu, "Try to limit IOMMU usage for TTM pages");
module_param_named(restrict_iommu, vmw_restrict_iommu, int, 0600);
MODULE_PARM_DESC(force_coherent, "Force coherent TTM pages");
width = vmw_read(dev_priv, SVGA_REG_WIDTH);
height = vmw_read(dev_priv, SVGA_REG_HEIGHT);
- width = max_t(uint32_t, width, VMW_MIN_INITIAL_WIDTH);
- height = max_t(uint32_t, height, VMW_MIN_INITIAL_HEIGHT);
+ width = max_t(uint32_t, width, VMWGFX_MIN_INITIAL_WIDTH);
+ height = max_t(uint32_t, height, VMWGFX_MIN_INITIAL_HEIGHT);
if (width > dev_priv->fb_max_width ||
height > dev_priv->fb_max_height) {
* This is a host error and shouldn't occur.
*/
- width = VMW_MIN_INITIAL_WIDTH;
- height = VMW_MIN_INITIAL_HEIGHT;
+ width = VMWGFX_MIN_INITIAL_WIDTH;
+ height = VMWGFX_MIN_INITIAL_HEIGHT;
}
dev_priv->initial_width = width;
dev_priv->assume_16bpp = !!vmw_assume_16bpp;
- dev_priv->enable_fb = enable_fbdev;
-
-
dev_priv->capabilities = vmw_read(dev_priv, SVGA_REG_CAPABILITIES);
vmw_print_bitmap(&dev_priv->drm, "Capabilities",
dev_priv->capabilities,
VMWGFX_DRIVER_PATCHLEVEL, UTS_RELEASE);
vmw_write_driver_id(dev_priv);
- if (dev_priv->enable_fb) {
- vmw_fifo_resource_inc(dev_priv);
- vmw_svga_enable(dev_priv);
- vmw_fb_init(dev_priv);
- }
-
dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
register_pm_notifier(&dev_priv->pm_nb);
unregister_pm_notifier(&dev_priv->pm_nb);
vmw_sw_context_fini(dev_priv);
- if (dev_priv->enable_fb) {
- vmw_fb_off(dev_priv);
- vmw_fb_close(dev_priv);
- vmw_fifo_resource_dec(dev_priv);
- vmw_svga_disable(dev_priv);
- }
+ vmw_fifo_resource_dec(dev_priv);
+
+ vmw_svga_disable(dev_priv);
vmw_kms_close(dev_priv);
vmw_overlay_close(dev_priv);
struct vmw_private *dev_priv = vmw_priv(dev);
vmw_kms_legacy_hotspot_clear(dev_priv);
- if (!dev_priv->enable_fb)
- vmw_svga_disable(dev_priv);
}
/**
DRM_ERROR("Failed to freeze modesetting.\n");
return ret;
}
- if (dev_priv->enable_fb)
- vmw_fb_off(dev_priv);
vmw_execbuf_release_pinned_bo(dev_priv);
vmw_resource_evict_all(dev_priv);
vmw_release_device_early(dev_priv);
while (ttm_device_swapout(&dev_priv->bdev, &ctx, GFP_KERNEL) > 0);
- if (dev_priv->enable_fb)
- vmw_fifo_resource_dec(dev_priv);
+ vmw_fifo_resource_dec(dev_priv);
if (atomic_read(&dev_priv->num_fifo_resources) != 0) {
DRM_ERROR("Can't hibernate while 3D resources are active.\n");
- if (dev_priv->enable_fb)
- vmw_fifo_resource_inc(dev_priv);
+ vmw_fifo_resource_inc(dev_priv);
WARN_ON(vmw_request_device_late(dev_priv));
dev_priv->suspend_locked = false;
if (dev_priv->suspend_state)
vmw_kms_resume(dev);
- if (dev_priv->enable_fb)
- vmw_fb_on(dev_priv);
return -EBUSY;
}
vmw_detect_version(dev_priv);
- if (dev_priv->enable_fb)
- vmw_fifo_resource_inc(dev_priv);
+ vmw_fifo_resource_inc(dev_priv);
ret = vmw_request_device(dev_priv);
if (ret)
return ret;
- if (dev_priv->enable_fb)
- __vmw_svga_enable(dev_priv);
+ __vmw_svga_enable(dev_priv);
vmw_fence_fifo_up(dev_priv->fman);
dev_priv->suspend_locked = false;
if (dev_priv->suspend_state)
vmw_kms_resume(&dev_priv->drm);
- if (dev_priv->enable_fb)
- vmw_fb_on(dev_priv);
-
return 0;
}
if (ret)
goto out_unload;
+ vmw_fifo_resource_inc(vmw);
+ vmw_svga_enable(vmw);
+ drm_fbdev_generic_setup(&vmw->drm, 0);
+
vmw_debugfs_gem_init(vmw);
vmw_debugfs_resource_managers_init(vmw);
+++ /dev/null
-/**************************************************************************
- *
- * 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/fb.h>
-#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_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);
- if (w && h) {
- WARN_ON_ONCE(par->set_fb->funcs->dirty(cur_fb, NULL, 0, 0,
- &clip, 1));
- vmw_cmd_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 *pagereflist)
-{
- struct vmw_fb_par *par = info->par;
- unsigned long start, end, min, max;
- unsigned long flags;
- struct fb_deferred_io_pageref *pageref;
- int y1, y2;
-
- min = ULONG_MAX;
- max = 0;
- list_for_each_entry(pageref, pagereflist, list) {
- start = pageref->offset;
- 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;
-
- ret = vmw_bo_create(vmw_priv, size,
- &vmw_sys_placement,
- false, false,
- &vmw_bo_bo_free, &vmw_bo);
- if (unlikely(ret != 0))
- return ret;
-
- *out = vmw_bo;
-
- 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->drm, 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->drm, &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->drm, 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->drm, par->set_mode);
- par->set_mode = mode;
-
- mutex_unlock(&par->bo_mutex);
-
- return ret;
-}
-
-
-static const 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,
- .fb_mmap = fb_deferred_io_mmap,
-};
-
-int vmw_fb_init(struct vmw_private *vmw_priv)
-{
- struct device *device = vmw_priv->drm.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;
-}
projects / users / hch / configfs.git / commitdiff