#include <drm/drmP.h>
#include "vmwgfx_drv.h"
+#include "vmwgfx_kms.h"
#include <drm/ttm/ttm_placement.h>
void *vmalloc;
+ struct mutex bo_mutex;
struct vmw_dma_buffer *vmw_bo;
struct ttm_bo_kmap_obj map;
+ void *bo_ptr;
+ 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 depth;
- unsigned bpp;
-
unsigned max_width;
unsigned max_height;
- void *bo_ptr;
- unsigned bo_size;
- bool bo_iowrite;
-
struct {
spinlock_t lock;
bool active;
unsigned x2;
unsigned y2;
} dirty;
+
+ struct drm_crtc *crtc;
+ struct drm_connector *con;
+
+ bool local_mode;
};
static int vmw_fb_setcolreg(unsigned regno, unsigned red, unsigned green,
return 1;
}
- switch (par->depth) {
+ switch (par->set_fb->depth) {
case 24:
case 32:
pal[regno] = ((red & 0xff00) << 8) |
((blue & 0xff00) >> 8);
break;
default:
- DRM_ERROR("Bad depth %u, bpp %u.\n", par->depth, par->bpp);
+ DRM_ERROR("Bad depth %u, bpp %u.\n", par->set_fb->depth,
+ par->set_fb->bits_per_pixel);
return 1;
}
return -EINVAL;
}
- if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) &&
- (var->xoffset != 0 || var->yoffset != 0)) {
- DRM_ERROR("Can not handle panning without display topology\n");
- 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 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;
- int ret;
-
- info->fix.line_length = info->var.xres * info->var.bits_per_pixel/8;
-
- ret = vmw_kms_write_svga(vmw_priv, info->var.xres, info->var.yres,
- info->fix.line_length,
- par->bpp, par->depth);
- if (ret)
- return ret;
-
- if (vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) {
- /* TODO check if pitch and offset changes */
- vmw_write(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 1);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, 0);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, true);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, info->var.xoffset);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, info->var.yoffset);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, info->var.xres);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, info->var.yres);
- vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
- }
-
- /* This is really helpful since if this fails the user
- * can probably not see anything on the screen.
- */
- WARN_ON(vmw_read(vmw_priv, SVGA_REG_FB_OFFSET) != 0);
-
- return 0;
-}
-
-static int vmw_fb_pan_display(struct fb_var_screeninfo *var,
- struct fb_info *info)
-{
- return 0;
-}
-
static int vmw_fb_blank(int blank, struct fb_info *info)
{
return 0;
{
struct vmw_private *vmw_priv = par->vmw_priv;
struct fb_info *info = vmw_priv->fb_info;
- int stride = (info->fix.line_length / 4);
- int *src = (int *)info->screen_base;
- __le32 __iomem *vram_mem = par->bo_ptr;
- unsigned long flags;
- unsigned x, y, w, h;
- int i, k;
- struct {
- uint32_t header;
- SVGAFifoCmdUpdate body;
- } *cmd;
+ unsigned long irq_flags;
+ s32 dst_x1, dst_x2, dst_y1, dst_y2, w, h;
+ u32 cpp, max_x, max_y;
+ struct drm_clip_rect clip;
+ struct drm_framebuffer *cur_fb;
+ u8 *src_ptr, *dst_ptr;
if (vmw_priv->suspended)
return;
- spin_lock_irqsave(&par->dirty.lock, flags);
- if (!par->dirty.active) {
- spin_unlock_irqrestore(&par->dirty.lock, flags);
- return;
- }
- x = par->dirty.x1;
- y = par->dirty.y1;
- w = min(par->dirty.x2, info->var.xres) - x;
- h = min(par->dirty.y2, info->var.yres) - y;
- par->dirty.x1 = par->dirty.x2 = 0;
- par->dirty.y1 = par->dirty.y2 = 0;
- spin_unlock_irqrestore(&par->dirty.lock, flags);
+ mutex_lock(&par->bo_mutex);
+ cur_fb = par->set_fb;
+ if (!cur_fb)
+ goto out_unlock;
- for (i = y * stride; i < info->fix.smem_len / 4; i += stride) {
- for (k = i+x; k < i+x+w && k < info->fix.smem_len / 4; k++)
- iowrite32(src[k], vram_mem + k);
+ spin_lock_irqsave(&par->dirty.lock, irq_flags);
+ if (!par->dirty.active) {
+ spin_unlock_irqrestore(&par->dirty.lock, irq_flags);
+ goto out_unlock;
}
-#if 0
- DRM_INFO("%s, (%u, %u) (%ux%u)\n", __func__, x, y, w, h);
-#endif
+ /*
+ * Handle panning when copying from vmalloc to framebuffer.
+ * Clip dirty area to framebuffer.
+ */
+ cpp = (cur_fb->bits_per_pixel + 7) / 8;
+ 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);
- cmd = vmw_fifo_reserve(vmw_priv, sizeof(*cmd));
- if (unlikely(cmd == NULL)) {
- DRM_ERROR("Fifo reserve failed.\n");
- return;
+ 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 *)par->bo_ptr +
+ (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;
+
+ WARN_ON_ONCE(par->set_fb->funcs->dirty(cur_fb, NULL, 0, 0,
+ &clip, 1));
+ vmw_fifo_flush(vmw_priv, false);
}
-
- cmd->header = cpu_to_le32(SVGA_CMD_UPDATE);
- cmd->body.x = cpu_to_le32(x);
- cmd->body.y = cpu_to_le32(y);
- cmd->body.width = cpu_to_le32(w);
- cmd->body.height = cpu_to_le32(h);
- vmw_fifo_commit(vmw_priv, sizeof(*cmd));
- vmw_fifo_flush(vmw_priv, false);
+out_unlock:
+ mutex_unlock(&par->bo_mutex);
}
static void vmw_fb_dirty_mark(struct vmw_fb_par *par,
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)
{
* Bring up code
*/
-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,
-};
-
static int vmw_fb_create_bo(struct vmw_private *vmw_priv,
size_t size, struct vmw_dma_buffer **out)
{
struct vmw_dma_buffer *vmw_bo;
- struct ttm_place ne_place = vmw_vram_ne_placement.placement[0];
- struct ttm_placement ne_placement;
int ret;
- ne_placement.num_placement = 1;
- ne_placement.placement = &ne_place;
- ne_placement.num_busy_placement = 1;
- ne_placement.busy_placement = &ne_place;
-
- ne_place.lpfn = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
-
(void) ttm_write_lock(&vmw_priv->reservation_sem, false);
vmw_bo = kmalloc(sizeof(*vmw_bo), GFP_KERNEL);
}
ret = vmw_dmabuf_init(vmw_priv, vmw_bo, size,
- &ne_placement,
+ &vmw_sys_placement,
false,
&vmw_dmabuf_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;
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 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 = 1;
+ set.connectors = &par->con;
+ ret = drm_mode_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_unreference(cur_fb);
+ par->set_fb = NULL;
+ }
+
+ if (par->vmw_bo && detach_bo) {
+ if (par->bo_ptr) {
+ ttm_bo_kunmap(&par->map);
+ par->bo_ptr = NULL;
+ }
+ if (unref_bo)
+ vmw_dmabuf_unreference(&par->vmw_bo);
+ else
+ vmw_dmabuf_unpin(par->vmw_priv, par->vmw_bo, false);
+ }
+
+ return 0;
+}
+
+static int vmw_fb_kms_framebuffer(struct fb_info *info)
+{
+ struct drm_mode_fb_cmd mode_cmd;
+ 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;
+ size_t new_bo_size;
+
+ ret = vmw_fb_compute_depth(var, &mode_cmd.depth);
+ if (ret)
+ return ret;
+
+ mode_cmd.width = var->xres;
+ mode_cmd.height = var->yres;
+ mode_cmd.bpp = var->bits_per_pixel;
+ mode_cmd.pitch = ((mode_cmd.bpp + 7) / 8) * mode_cmd.width;
+
+ cur_fb = par->set_fb;
+ if (cur_fb && cur_fb->width == mode_cmd.width &&
+ cur_fb->height == mode_cmd.height &&
+ cur_fb->bits_per_pixel == mode_cmd.bpp &&
+ cur_fb->depth == mode_cmd.depth &&
+ cur_fb->pitches[0] == mode_cmd.pitch)
+ return 0;
+
+ /* Need new buffer object ? */
+ new_bo_size = (size_t) mode_cmd.pitch * (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;
+
+ if (!par->bo_ptr) {
+ /*
+ * Pin before mapping. Since we don't know in what placement
+ * to pin, call into KMS to do it for us.
+ */
+ ret = vfb->pin(vfb);
+ if (ret) {
+ DRM_ERROR("Could not pin the fbdev framebuffer.\n");
+ return ret;
+ }
+
+ ret = ttm_bo_kmap(&par->vmw_bo->base, 0,
+ par->vmw_bo->base.num_pages, &par->map);
+ if (ret) {
+ vfb->unpin(vfb);
+ DRM_ERROR("Could not map the fbdev framebuffer.\n");
+ return ret;
+ }
+
+ par->bo_ptr = ttm_kmap_obj_virtual(&par->map, &par->bo_iowrite);
+ }
+
+ 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 *old_mode;
+ struct drm_display_mode *mode;
+ int ret;
+
+ old_mode = par->set_mode;
+ 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 (old_mode && drm_mode_equal(old_mode, mode)) {
+ drm_mode_destroy(vmw_priv->dev, mode);
+ mode = old_mode;
+ old_mode = NULL;
+ } else if (!vmw_kms_validate_mode_vram(vmw_priv,
+ mode->hdisplay *
+ (var->bits_per_pixel + 7) / 8,
+ mode->vdisplay)) {
+ drm_mode_destroy(vmw_priv->dev, mode);
+ return -EINVAL;
+ }
+
+ mutex_lock(&par->bo_mutex);
+ drm_modeset_lock_all(vmw_priv->dev);
+ 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 = drm_mode_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 */
+
+#if (defined(VMWGFX_STANDALONE) && defined(VMWGFX_FB_DEFERRED))
+ schedule_delayed_work(&par->def_par.deferred_work, 0);
+#else
+ schedule_delayed_work(&info->deferred_work, 0);
+#endif
+
+out_unlock:
+ if (old_mode)
+ drm_mode_destroy(vmw_priv->dev, old_mode);
+ par->set_mode = mode;
+
+ drm_modeset_unlock_all(vmw_priv->dev);
+ 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 initial_width, initial_height;
unsigned fb_width, fb_height;
unsigned fb_bpp, fb_depth, fb_offset, fb_pitch, fb_size;
+ struct drm_display_mode *init_mode;
int ret;
fb_bpp = 32;
fb_width = min(vmw_priv->fb_max_width, (unsigned)2048);
fb_height = min(vmw_priv->fb_max_height, (unsigned)2048);
- initial_width = min(vmw_priv->initial_width, fb_width);
- initial_height = min(vmw_priv->initial_height, fb_height);
-
fb_pitch = fb_width * fb_bpp / 8;
fb_size = fb_pitch * fb_height;
fb_offset = vmw_read(vmw_priv, SVGA_REG_FB_OFFSET);
*/
vmw_priv->fb_info = info;
par = info->par;
+ memset(par, 0, sizeof(*par));
par->vmw_priv = vmw_priv;
- par->depth = fb_depth;
- par->bpp = fb_bpp;
par->vmalloc = NULL;
par->max_width = fb_width;
par->max_height = fb_height;
+ drm_modeset_lock_all(vmw_priv->dev);
+ ret = vmw_kms_fbdev_init_data(vmw_priv, 0, par->max_width,
+ par->max_height, &par->con,
+ &par->crtc, &init_mode);
+ if (ret) {
+ drm_modeset_unlock_all(vmw_priv->dev);
+ goto err_kms;
+ }
+
+ info->var.xres = init_mode->hdisplay;
+ info->var.yres = init_mode->vdisplay;
+ drm_modeset_unlock_all(vmw_priv->dev);
+
/*
* Create buffers and alloc memory
*/
- par->vmalloc = vmalloc(fb_size);
+ par->vmalloc = vzalloc(fb_size);
if (unlikely(par->vmalloc == NULL)) {
ret = -ENOMEM;
goto err_free;
}
- ret = vmw_fb_create_bo(vmw_priv, fb_size, &par->vmw_bo);
- if (unlikely(ret != 0))
- goto err_free;
-
- ret = ttm_bo_kmap(&par->vmw_bo->base,
- 0,
- par->vmw_bo->base.num_pages,
- &par->map);
- if (unlikely(ret != 0))
- goto err_unref;
- par->bo_ptr = ttm_kmap_obj_virtual(&par->map, &par->bo_iowrite);
- par->bo_size = fb_size;
-
/*
* Fixed and var
*/
info->var.xres_virtual = fb_width;
info->var.yres_virtual = fb_height;
- info->var.bits_per_pixel = par->bpp;
+ 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;
- info->var.xres = initial_width;
- info->var.yres = initial_height;
-
/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
-
info->apertures = alloc_apertures(1);
if (!info->apertures) {
ret = -ENOMEM;
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);
if (unlikely(ret != 0))
goto err_defio;
+ vmw_fb_set_par(info);
+
return 0;
err_defio:
fb_deferred_io_cleanup(info);
err_aper:
- ttm_bo_kunmap(&par->map);
-err_unref:
- ttm_bo_unref((struct ttm_buffer_object **)&par->vmw_bo);
err_free:
vfree(par->vmalloc);
+err_kms:
framebuffer_release(info);
vmw_priv->fb_info = NULL;
{
struct fb_info *info;
struct vmw_fb_par *par;
- struct ttm_buffer_object *bo;
if (!vmw_priv->fb_info)
return 0;
info = vmw_priv->fb_info;
par = info->par;
- bo = &par->vmw_bo->base;
- par->vmw_bo = NULL;
/* ??? order */
fb_deferred_io_cleanup(info);
unregister_framebuffer(info);
- ttm_bo_kunmap(&par->map);
- ttm_bo_unref(&bo);
+ (void) vmw_fb_kms_detach(par, true, true);
vfree(par->vmalloc);
framebuffer_release(info);
info = vmw_priv->fb_info;
par = info->par;
- if (!par->bo_ptr)
- return 0;
- vmw_kms_save_vga(vmw_priv);
spin_lock_irqsave(&par->dirty.lock, flags);
par->dirty.active = false;
spin_unlock_irqrestore(&par->dirty.lock, flags);
flush_delayed_work(&info->deferred_work);
- par->bo_ptr = NULL;
- ttm_bo_kunmap(&par->map);
-
- vmw_dmabuf_unpin(vmw_priv, par->vmw_bo, false);
+ mutex_lock(&par->bo_mutex);
+ (void) vmw_fb_kms_detach(par, true, false);
+ mutex_unlock(&par->bo_mutex);
return 0;
}
struct fb_info *info;
struct vmw_fb_par *par;
unsigned long flags;
- bool dummy;
- int ret;
if (!vmw_priv->fb_info)
return -EINVAL;
info = vmw_priv->fb_info;
par = info->par;
- /* we are already active */
- if (par->bo_ptr != NULL)
- return 0;
-
- /* Make sure that all overlays are stoped when we take over */
- vmw_overlay_stop_all(vmw_priv);
-
- ret = vmw_dmabuf_pin_in_start_of_vram(vmw_priv, par->vmw_bo, false);
- if (unlikely(ret != 0)) {
- DRM_ERROR("could not move buffer to start of VRAM\n");
- goto err_no_buffer;
- }
-
- ret = ttm_bo_kmap(&par->vmw_bo->base,
- 0,
- par->vmw_bo->base.num_pages,
- &par->map);
- BUG_ON(ret != 0);
- par->bo_ptr = ttm_kmap_obj_virtual(&par->map, &dummy);
-
+ vmw_fb_set_par(info);
spin_lock_irqsave(&par->dirty.lock, flags);
par->dirty.active = true;
spin_unlock_irqrestore(&par->dirty.lock, flags);
- vmw_kms_restore_vga(vmw_priv);
-
-err_no_buffer:
- vmw_fb_set_par(info);
-
- vmw_fb_dirty_mark(par, 0, 0, info->var.xres, info->var.yres);
-
- /* If there already was stuff dirty we wont
- * schedule a new work, so lets do it now */
- schedule_delayed_work(&info->deferred_work, 0);
-
+
return 0;
}
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff