diff options
Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_fb.c')
-rw-r--r-- | drivers/gpu/drm/qxl/qxl_fb.c | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_fb.c b/drivers/gpu/drm/qxl/qxl_fb.c deleted file mode 100644 index a819d24225d2..000000000000 --- a/drivers/gpu/drm/qxl/qxl_fb.c +++ /dev/null @@ -1,300 +0,0 @@ -/* - * Copyright © 2013 Red Hat - * - * 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 <drm/drmP.h> -#include <drm/drm.h> -#include <drm/drm_crtc.h> -#include <drm/drm_crtc_helper.h> -#include <drm/drm_fb_helper.h> -#include <drm/drm_gem_framebuffer_helper.h> - -#include "qxl_drv.h" - -#include "qxl_object.h" - -static void qxl_fb_image_init(struct qxl_fb_image *qxl_fb_image, - struct qxl_device *qdev, struct fb_info *info, - const struct fb_image *image) -{ - qxl_fb_image->qdev = qdev; - if (info) { - qxl_fb_image->visual = info->fix.visual; - if (qxl_fb_image->visual == FB_VISUAL_TRUECOLOR || - qxl_fb_image->visual == FB_VISUAL_DIRECTCOLOR) - memcpy(&qxl_fb_image->pseudo_palette, - info->pseudo_palette, - sizeof(qxl_fb_image->pseudo_palette)); - } else { - /* fallback */ - if (image->depth == 1) - qxl_fb_image->visual = FB_VISUAL_MONO10; - else - qxl_fb_image->visual = FB_VISUAL_DIRECTCOLOR; - } - if (image) { - memcpy(&qxl_fb_image->fb_image, image, - sizeof(qxl_fb_image->fb_image)); - } -} - -static struct fb_ops qxlfb_ops = { - .owner = THIS_MODULE, - DRM_FB_HELPER_DEFAULT_OPS, - .fb_fillrect = drm_fb_helper_sys_fillrect, - .fb_copyarea = drm_fb_helper_sys_copyarea, - .fb_imageblit = drm_fb_helper_sys_imageblit, -}; - -static void qxlfb_destroy_pinned_object(struct drm_gem_object *gobj) -{ - struct qxl_bo *qbo = gem_to_qxl_bo(gobj); - - qxl_bo_kunmap(qbo); - qxl_bo_unpin(qbo); - - drm_gem_object_put_unlocked(gobj); -} - -static int qxlfb_create_pinned_object(struct qxl_device *qdev, - const struct drm_mode_fb_cmd2 *mode_cmd, - struct drm_gem_object **gobj_p) -{ - struct drm_gem_object *gobj = NULL; - struct qxl_bo *qbo = NULL; - int ret; - int aligned_size, size; - int height = mode_cmd->height; - - size = mode_cmd->pitches[0] * height; - aligned_size = ALIGN(size, PAGE_SIZE); - /* TODO: unallocate and reallocate surface0 for real. Hack to just - * have a large enough surface0 for 1024x768 Xorg 32bpp mode */ - ret = qxl_gem_object_create(qdev, aligned_size, 0, - QXL_GEM_DOMAIN_SURFACE, - false, /* is discardable */ - false, /* is kernel (false means device) */ - NULL, - &gobj); - if (ret) { - pr_err("failed to allocate framebuffer (%d)\n", - aligned_size); - return -ENOMEM; - } - qbo = gem_to_qxl_bo(gobj); - - qbo->surf.width = mode_cmd->width; - qbo->surf.height = mode_cmd->height; - qbo->surf.stride = mode_cmd->pitches[0]; - qbo->surf.format = SPICE_SURFACE_FMT_32_xRGB; - - ret = qxl_bo_pin(qbo); - if (ret) { - goto out_unref; - } - ret = qxl_bo_kmap(qbo, NULL); - - if (ret) - goto out_unref; - - *gobj_p = gobj; - return 0; -out_unref: - qxlfb_destroy_pinned_object(gobj); - *gobj_p = NULL; - return ret; -} - -/* - * FIXME - * It should not be necessary to have a special dirty() callback for fbdev. - */ -static int qxlfb_framebuffer_dirty(struct drm_framebuffer *fb, - struct drm_file *file_priv, - unsigned int flags, unsigned int color, - struct drm_clip_rect *clips, - unsigned int num_clips) -{ - struct qxl_device *qdev = fb->dev->dev_private; - struct fb_info *info = qdev->fb_helper.fbdev; - struct qxl_fb_image qxl_fb_image; - struct fb_image *image = &qxl_fb_image.fb_image; - - /* TODO: hard coding 32 bpp */ - int stride = fb->pitches[0]; - - /* - * we are using a shadow draw buffer, at qdev->surface0_shadow - */ - image->dx = clips->x1; - image->dy = clips->y1; - image->width = clips->x2 - clips->x1; - image->height = clips->y2 - clips->y1; - image->fg_color = 0xffffffff; /* unused, just to avoid uninitialized - warnings */ - image->bg_color = 0; - image->depth = 32; /* TODO: take from somewhere? */ - image->cmap.start = 0; - image->cmap.len = 0; - image->cmap.red = NULL; - image->cmap.green = NULL; - image->cmap.blue = NULL; - image->cmap.transp = NULL; - image->data = info->screen_base + (clips->x1 * 4) + (stride * clips->y1); - - qxl_fb_image_init(&qxl_fb_image, qdev, info, NULL); - qxl_draw_opaque_fb(&qxl_fb_image, stride); - - return 0; -} - -static const struct drm_framebuffer_funcs qxlfb_fb_funcs = { - .destroy = drm_gem_fb_destroy, - .create_handle = drm_gem_fb_create_handle, - .dirty = qxlfb_framebuffer_dirty, -}; - -static int qxlfb_create(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) -{ - struct qxl_device *qdev = - container_of(helper, struct qxl_device, fb_helper); - struct fb_info *info; - struct drm_framebuffer *fb = NULL; - struct drm_mode_fb_cmd2 mode_cmd; - struct drm_gem_object *gobj = NULL; - struct qxl_bo *qbo = NULL; - int ret; - int bpp = sizes->surface_bpp; - int depth = sizes->surface_depth; - void *shadow; - - mode_cmd.width = sizes->surface_width; - mode_cmd.height = sizes->surface_height; - - mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 1) / 8), 64); - mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); - - ret = qxlfb_create_pinned_object(qdev, &mode_cmd, &gobj); - if (ret < 0) - return ret; - - qbo = gem_to_qxl_bo(gobj); - DRM_DEBUG_DRIVER("%dx%d %d\n", mode_cmd.width, - mode_cmd.height, mode_cmd.pitches[0]); - - shadow = vmalloc(array_size(mode_cmd.pitches[0], mode_cmd.height)); - /* TODO: what's the usual response to memory allocation errors? */ - BUG_ON(!shadow); - DRM_DEBUG_DRIVER("surface0 at gpu offset %lld, mmap_offset %lld (virt %p, shadow %p)\n", - qxl_bo_gpu_offset(qbo), qxl_bo_mmap_offset(qbo), - qbo->kptr, shadow); - - info = drm_fb_helper_alloc_fbi(helper); - if (IS_ERR(info)) { - ret = PTR_ERR(info); - goto out_unref; - } - - info->par = helper; - - fb = drm_gem_fbdev_fb_create(&qdev->ddev, sizes, 64, gobj, - &qxlfb_fb_funcs); - if (IS_ERR(fb)) { - DRM_ERROR("Failed to create framebuffer: %ld\n", PTR_ERR(fb)); - ret = PTR_ERR(fb); - goto out_unref; - } - - /* setup helper with fb data */ - qdev->fb_helper.fb = fb; - - strcpy(info->fix.id, "qxldrmfb"); - - drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth); - - info->fbops = &qxlfb_ops; - - /* - * TODO: using gobj->size in various places in this function. Not sure - * what the difference between the different sizes is. - */ - info->fix.smem_start = qdev->vram_base; /* TODO - correct? */ - info->fix.smem_len = gobj->size; - info->screen_base = shadow; - info->screen_size = gobj->size; - - drm_fb_helper_fill_var(info, &qdev->fb_helper, sizes->fb_width, - sizes->fb_height); - - /* setup aperture base/size for vesafb takeover */ - info->apertures->ranges[0].base = qdev->ddev.mode_config.fb_base; - info->apertures->ranges[0].size = qdev->vram_size; - - info->fix.mmio_start = 0; - info->fix.mmio_len = 0; - - if (info->screen_base == NULL) { - ret = -ENOSPC; - goto out_unref; - } - - /* XXX error handling. */ - drm_fb_helper_defio_init(helper); - - DRM_INFO("fb mappable at 0x%lX, size %lu\n", info->fix.smem_start, (unsigned long)info->screen_size); - DRM_INFO("fb: depth %d, pitch %d, width %d, height %d\n", - fb->format->depth, fb->pitches[0], fb->width, fb->height); - return 0; - -out_unref: - if (qbo) { - qxl_bo_kunmap(qbo); - qxl_bo_unpin(qbo); - } - drm_gem_object_put_unlocked(gobj); - return ret; -} - -static const struct drm_fb_helper_funcs qxl_fb_helper_funcs = { - .fb_probe = qxlfb_create, -}; - -int qxl_fbdev_init(struct qxl_device *qdev) -{ - return drm_fb_helper_fbdev_setup(&qdev->ddev, &qdev->fb_helper, - &qxl_fb_helper_funcs, 32, - QXLFB_CONN_LIMIT); -} - -void qxl_fbdev_fini(struct qxl_device *qdev) -{ - struct fb_info *fbi = qdev->fb_helper.fbdev; - void *shadow = fbi ? fbi->screen_buffer : NULL; - - drm_fb_helper_fbdev_teardown(&qdev->ddev); - vfree(shadow); -} |