diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_kms.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 203 |
1 files changed, 157 insertions, 46 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index bbc7c4c30bc7..f1d626112415 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -30,6 +30,8 @@ /* Might need a hrtimer here? */ #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1) +static int vmw_surface_dmabuf_pin(struct vmw_framebuffer *vfb); +static int vmw_surface_dmabuf_unpin(struct vmw_framebuffer *vfb); void vmw_display_unit_cleanup(struct vmw_display_unit *du) { @@ -326,6 +328,7 @@ int vmw_framebuffer_create_handle(struct drm_framebuffer *fb, struct vmw_framebuffer_surface { struct vmw_framebuffer base; struct vmw_surface *surface; + struct vmw_dma_buffer *buffer; struct delayed_work d_work; struct mutex work_lock; bool present_fs; @@ -500,8 +503,8 @@ int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv, vfbs->base.base.depth = 24; vfbs->base.base.width = width; vfbs->base.base.height = height; - vfbs->base.pin = NULL; - vfbs->base.unpin = NULL; + vfbs->base.pin = &vmw_surface_dmabuf_pin; + vfbs->base.unpin = &vmw_surface_dmabuf_unpin; vfbs->surface = surface; mutex_init(&vfbs->work_lock); INIT_DELAYED_WORK(&vfbs->d_work, &vmw_framebuffer_present_fs_callback); @@ -589,6 +592,40 @@ static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = { .create_handle = vmw_framebuffer_create_handle, }; +static int vmw_surface_dmabuf_pin(struct vmw_framebuffer *vfb) +{ + struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); + struct vmw_framebuffer_surface *vfbs = + vmw_framebuffer_to_vfbs(&vfb->base); + unsigned long size = vfbs->base.base.pitch * vfbs->base.base.height; + int ret; + + vfbs->buffer = kzalloc(sizeof(*vfbs->buffer), GFP_KERNEL); + if (unlikely(vfbs->buffer == NULL)) + return -ENOMEM; + + vmw_overlay_pause_all(dev_priv); + ret = vmw_dmabuf_init(dev_priv, vfbs->buffer, size, + &vmw_vram_ne_placement, + false, &vmw_dmabuf_bo_free); + vmw_overlay_resume_all(dev_priv); + + return ret; +} + +static int vmw_surface_dmabuf_unpin(struct vmw_framebuffer *vfb) +{ + struct ttm_buffer_object *bo; + struct vmw_framebuffer_surface *vfbs = + vmw_framebuffer_to_vfbs(&vfb->base); + + bo = &vfbs->buffer->base; + ttm_bo_unref(&bo); + vfbs->buffer = NULL; + + return 0; +} + static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb) { struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); @@ -596,33 +633,15 @@ static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb) vmw_framebuffer_to_vfbd(&vfb->base); int ret; + vmw_overlay_pause_all(dev_priv); ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer); - if (dev_priv->capabilities & SVGA_CAP_MULTIMON) { - vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 1); - vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, 0); - vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, true); - vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, 0); - vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, 0); - vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, 0); - vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, 0); - vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); - - vmw_write(dev_priv, SVGA_REG_ENABLE, 1); - vmw_write(dev_priv, SVGA_REG_WIDTH, vfb->base.width); - vmw_write(dev_priv, SVGA_REG_HEIGHT, vfb->base.height); - vmw_write(dev_priv, SVGA_REG_BITS_PER_PIXEL, vfb->base.bits_per_pixel); - vmw_write(dev_priv, SVGA_REG_DEPTH, vfb->base.depth); - vmw_write(dev_priv, SVGA_REG_RED_MASK, 0x00ff0000); - vmw_write(dev_priv, SVGA_REG_GREEN_MASK, 0x0000ff00); - vmw_write(dev_priv, SVGA_REG_BLUE_MASK, 0x000000ff); - } else - WARN_ON(true); - vmw_overlay_resume_all(dev_priv); + WARN_ON(ret != 0); + return 0; } @@ -668,7 +687,7 @@ int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv, /* XXX get the first 3 from the surface info */ vfbd->base.base.bits_per_pixel = 32; - vfbd->base.base.pitch = width * 32 / 4; + vfbd->base.base.pitch = width * vfbd->base.base.bits_per_pixel / 8; vfbd->base.base.depth = 24; vfbd->base.base.width = width; vfbd->base.base.height = height; @@ -765,8 +784,9 @@ int vmw_kms_init(struct vmw_private *dev_priv) dev->mode_config.funcs = &vmw_kms_funcs; dev->mode_config.min_width = 1; dev->mode_config.min_height = 1; - dev->mode_config.max_width = dev_priv->fb_max_width; - dev->mode_config.max_height = dev_priv->fb_max_height; + /* assumed largest fb size */ + dev->mode_config.max_width = 8192; + dev->mode_config.max_height = 8192; ret = vmw_kms_init_legacy_display_system(dev_priv); @@ -826,49 +846,140 @@ out: return ret; } +void vmw_kms_write_svga(struct vmw_private *vmw_priv, + unsigned width, unsigned height, unsigned pitch, + unsigned bbp, unsigned depth) +{ + if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) + vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch); + else if (vmw_fifo_have_pitchlock(vmw_priv)) + iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK); + vmw_write(vmw_priv, SVGA_REG_WIDTH, width); + vmw_write(vmw_priv, SVGA_REG_HEIGHT, height); + vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bbp); + vmw_write(vmw_priv, SVGA_REG_DEPTH, depth); + vmw_write(vmw_priv, SVGA_REG_RED_MASK, 0x00ff0000); + vmw_write(vmw_priv, SVGA_REG_GREEN_MASK, 0x0000ff00); + vmw_write(vmw_priv, SVGA_REG_BLUE_MASK, 0x000000ff); +} + int vmw_kms_save_vga(struct vmw_private *vmw_priv) { - /* - * setup a single multimon monitor with the size - * of 0x0, this stops the UI from resizing when we - * change the framebuffer size - */ - if (vmw_priv->capabilities & SVGA_CAP_MULTIMON) { - 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, 0); - vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, 0); - vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, 0); - vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, 0); - vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); - } + struct vmw_vga_topology_state *save; + uint32_t i; vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH); vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT); - vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL); vmw_priv->vga_depth = vmw_read(vmw_priv, SVGA_REG_DEPTH); + vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL); vmw_priv->vga_pseudo = vmw_read(vmw_priv, SVGA_REG_PSEUDOCOLOR); vmw_priv->vga_red_mask = vmw_read(vmw_priv, SVGA_REG_RED_MASK); - vmw_priv->vga_green_mask = vmw_read(vmw_priv, SVGA_REG_GREEN_MASK); vmw_priv->vga_blue_mask = vmw_read(vmw_priv, SVGA_REG_BLUE_MASK); + vmw_priv->vga_green_mask = vmw_read(vmw_priv, SVGA_REG_GREEN_MASK); + if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) + vmw_priv->vga_pitchlock = + vmw_read(vmw_priv, SVGA_REG_PITCHLOCK); + else if (vmw_fifo_have_pitchlock(vmw_priv)) + vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt + + SVGA_FIFO_PITCHLOCK); + + if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) + return 0; + vmw_priv->num_displays = vmw_read(vmw_priv, + SVGA_REG_NUM_GUEST_DISPLAYS); + + for (i = 0; i < vmw_priv->num_displays; ++i) { + save = &vmw_priv->vga_save[i]; + vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); + save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY); + save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X); + save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y); + save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH); + save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT); + vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); + } return 0; } int vmw_kms_restore_vga(struct vmw_private *vmw_priv) { + struct vmw_vga_topology_state *save; + uint32_t i; + vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width); vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height); - vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp); vmw_write(vmw_priv, SVGA_REG_DEPTH, vmw_priv->vga_depth); + vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp); vmw_write(vmw_priv, SVGA_REG_PSEUDOCOLOR, vmw_priv->vga_pseudo); vmw_write(vmw_priv, SVGA_REG_RED_MASK, vmw_priv->vga_red_mask); vmw_write(vmw_priv, SVGA_REG_GREEN_MASK, vmw_priv->vga_green_mask); vmw_write(vmw_priv, SVGA_REG_BLUE_MASK, vmw_priv->vga_blue_mask); + if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) + vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, + vmw_priv->vga_pitchlock); + else if (vmw_fifo_have_pitchlock(vmw_priv)) + iowrite32(vmw_priv->vga_pitchlock, + vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK); + + if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) + return 0; - /* TODO check for multimon */ - vmw_write(vmw_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 0); + for (i = 0; i < vmw_priv->num_displays; ++i) { + save = &vmw_priv->vga_save[i]; + vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); + vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary); + vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x); + vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y); + vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width); + vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height); + vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); + } return 0; } + +int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct vmw_private *dev_priv = vmw_priv(dev); + struct drm_vmw_update_layout_arg *arg = + (struct drm_vmw_update_layout_arg *)data; + struct vmw_master *vmaster = vmw_master(file_priv->master); + void __user *user_rects; + struct drm_vmw_rect *rects; + unsigned rects_size; + int ret; + + ret = ttm_read_lock(&vmaster->lock, true); + if (unlikely(ret != 0)) + return ret; + + if (!arg->num_outputs) { + struct drm_vmw_rect def_rect = {0, 0, 800, 600}; + vmw_kms_ldu_update_layout(dev_priv, 1, &def_rect); + goto out_unlock; + } + + rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect); + rects = kzalloc(rects_size, GFP_KERNEL); + if (unlikely(!rects)) { + ret = -ENOMEM; + goto out_unlock; + } + + user_rects = (void __user *)(unsigned long)arg->rects; + ret = copy_from_user(rects, user_rects, rects_size); + if (unlikely(ret != 0)) { + DRM_ERROR("Failed to get rects.\n"); + goto out_free; + } + + vmw_kms_ldu_update_layout(dev_priv, arg->num_outputs, rects); + +out_free: + kfree(rects); +out_unlock: + ttm_read_unlock(&vmaster->lock); + return ret; +} |