static int qxl_palette_create_1bit(struct qxl_bo *palette_bo,
struct qxl_release *release,
const struct qxl_fb_image *qxl_fb_image)
{
const struct fb_image *fb_image = &qxl_fb_image->fb_image;
uint32_t visual = qxl_fb_image->visual;
const uint32_t *pseudo_palette = qxl_fb_image->pseudo_palette;
struct qxl_palette *pal;
int ret;
uint32_t fgcolor, bgcolor;
static uint64_t unique; /* we make no attempt to actually set this
* correctly globaly, since that would require
* tracking all of our palettes. */
ret = qxl_bo_kmap(palette_bo, (void **)&pal);
pal->num_ents = 2;
pal->unique = unique++;
if (visual == FB_VISUAL_TRUECOLOR || visual == FB_VISUAL_DIRECTCOLOR) {
/* NB: this is the only used branch currently. */
fgcolor = pseudo_palette[fb_image->fg_color];
bgcolor = pseudo_palette[fb_image->bg_color];
} else {
fgcolor = fb_image->fg_color;
bgcolor = fb_image->bg_color;
}
pal->ents[0] = bgcolor;
pal->ents[1] = fgcolor;
qxl_bo_kunmap(palette_bo);
return 0;
}
static void qxlfb_destroy_pinned_object(struct drm_gem_object *gobj)
{
struct qxl_bo *qbo = gem_to_qxl_bo(gobj);
int ret;
ret = qxl_bo_reserve(qbo, false);
if (likely(ret == 0)) {
qxl_bo_kunmap(qbo);
qxl_bo_unpin(qbo);
qxl_bo_unreserve(qbo);
}
drm_gem_object_unreference_unlocked(gobj);
}
int qxl_destroy_monitors_object(struct qxl_device *qdev)
{
int ret;
qdev->monitors_config = NULL;
qdev->ram_header->monitors_config = 0;
qxl_bo_kunmap(qdev->monitors_config_bo);
ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
if (ret)
return ret;
qxl_bo_unpin(qdev->monitors_config_bo);
qxl_bo_unreserve(qdev->monitors_config_bo);
qxl_bo_unref(&qdev->monitors_config_bo);
return 0;
}
static int qxlfb_create(struct qxl_fbdev *qfbdev,
struct drm_fb_helper_surface_size *sizes)
{
struct qxl_device *qdev = qfbdev->qdev;
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 size;
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(qfbdev, &mode_cmd, &gobj);
if (ret < 0)
return ret;
qbo = gem_to_qxl_bo(gobj);
QXL_INFO(qdev, "%s: %dx%d %d\n", __func__, mode_cmd.width,
mode_cmd.height, mode_cmd.pitches[0]);
shadow = vmalloc(mode_cmd.pitches[0] * mode_cmd.height);
/* TODO: what's the usual response to memory allocation errors? */
BUG_ON(!shadow);
QXL_INFO(qdev,
"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);
size = mode_cmd.pitches[0] * mode_cmd.height;
info = drm_fb_helper_alloc_fbi(&qfbdev->helper);
if (IS_ERR(info)) {
ret = PTR_ERR(info);
goto out_unref;
}
info->par = qfbdev;
qxl_framebuffer_init(qdev->ddev, &qfbdev->qfb, &mode_cmd, gobj,
&qxlfb_fb_funcs);
fb = &qfbdev->qfb.base;
/* setup helper with fb data */
qfbdev->helper.fb = fb;
qfbdev->shadow = shadow;
strcpy(info->fix.id, "qxldrmfb");
drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT;
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 = qfbdev->shadow;
info->screen_size = gobj->size;
drm_fb_helper_fill_var(info, &qfbdev->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_destroy_fbi;
}
info->fbdefio = &qxl_defio;
fb_deferred_io_init(info);
qdev->fbdev_info = info;
qdev->fbdev_qfb = &qfbdev->qfb;
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->depth, fb->pitches[0], fb->width, fb->height);
return 0;
out_destroy_fbi:
drm_fb_helper_release_fbi(&qfbdev->helper);
out_unref:
if (qbo) {
ret = qxl_bo_reserve(qbo, false);
if (likely(ret == 0)) {
qxl_bo_kunmap(qbo);
qxl_bo_unpin(qbo);
qxl_bo_unreserve(qbo);
}
}
if (fb && ret) {
drm_gem_object_unreference_unlocked(gobj);
drm_framebuffer_cleanup(fb);
kfree(fb);
}
drm_gem_object_unreference_unlocked(gobj);
return ret;
}
static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
struct drm_file *file_priv,
uint32_t handle,
uint32_t width,
uint32_t height, int32_t hot_x, int32_t hot_y)
{
struct drm_device *dev = crtc->dev;
struct qxl_device *qdev = dev->dev_private;
struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
struct drm_gem_object *obj;
struct qxl_cursor *cursor;
struct qxl_cursor_cmd *cmd;
struct qxl_bo *cursor_bo, *user_bo;
struct qxl_release *release;
void *user_ptr;
int size = 64*64*4;
int ret = 0;
if (!handle)
return qxl_hide_cursor(qdev);
obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
if (!obj) {
DRM_ERROR("cannot find cursor object\n");
return -ENOENT;
}
user_bo = gem_to_qxl_bo(obj);
ret = qxl_bo_reserve(user_bo, false);
if (ret)
goto out_unref;
ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
qxl_bo_unreserve(user_bo);
if (ret)
goto out_unref;
ret = qxl_bo_kmap(user_bo, &user_ptr);
if (ret)
goto out_unpin;
ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
QXL_RELEASE_CURSOR_CMD,
&release, NULL);
if (ret)
goto out_kunmap;
ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size,
&cursor_bo);
if (ret)
goto out_free_release;
ret = qxl_release_reserve_list(release, false);
if (ret)
goto out_free_bo;
ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
if (ret)
goto out_backoff;
cursor->header.unique = 0;
cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
cursor->header.width = 64;
cursor->header.height = 64;
cursor->header.hot_spot_x = hot_x;
cursor->header.hot_spot_y = hot_y;
cursor->data_size = size;
cursor->chunk.next_chunk = 0;
cursor->chunk.prev_chunk = 0;
cursor->chunk.data_size = size;
memcpy(cursor->chunk.data, user_ptr, size);
qxl_bo_kunmap(cursor_bo);
qxl_bo_kunmap(user_bo);
cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_CURSOR_SET;
cmd->u.set.position.x = qcrtc->cur_x;
cmd->u.set.position.y = qcrtc->cur_y;
cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
cmd->u.set.visible = 1;
qxl_release_unmap(qdev, release, &cmd->release_info);
qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
qxl_release_fence_buffer_objects(release);
/* finish with the userspace bo */
ret = qxl_bo_reserve(user_bo, false);
if (!ret) {
qxl_bo_unpin(user_bo);
qxl_bo_unreserve(user_bo);
}
drm_gem_object_unreference_unlocked(obj);
qxl_bo_unref(&cursor_bo);
return ret;
out_backoff:
qxl_release_backoff_reserve_list(release);
out_free_bo:
qxl_bo_unref(&cursor_bo);
out_free_release:
qxl_release_free(qdev, release);
out_kunmap:
qxl_bo_kunmap(user_bo);
out_unpin:
qxl_bo_unpin(user_bo);
out_unref:
drm_gem_object_unreference_unlocked(obj);
return ret;
}
void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
{
struct qxl_bo *bo = gem_to_qxl_bo(obj);
qxl_bo_kunmap(bo);
}
/* push a draw command using the given clipping rectangles as
* the sources from the shadow framebuffer.
*
* Right now implementing with a single draw and a clip list. Clip
* lists are known to be a problem performance wise, this can be solved
* by treating them differently in the server.
*/
void qxl_draw_dirty_fb(struct qxl_device *qdev,
struct qxl_framebuffer *qxl_fb,
struct qxl_bo *bo,
unsigned flags, unsigned color,
struct drm_clip_rect *clips,
unsigned num_clips, int inc)
{
/*
* TODO: if flags & DRM_MODE_FB_DIRTY_ANNOTATE_FILL then we should
* send a fill command instead, much cheaper.
*
* See include/drm/drm_mode.h
*/
struct drm_clip_rect *clips_ptr;
int i;
int left, right, top, bottom;
int width, height;
struct qxl_drawable *drawable;
struct qxl_rect drawable_rect;
struct qxl_rect *rects;
int stride = qxl_fb->base.pitches[0];
/* depth is not actually interesting, we don't mask with it */
int depth = qxl_fb->base.bits_per_pixel;
uint8_t *surface_base;
struct qxl_release *release;
struct qxl_bo *clips_bo;
struct qxl_drm_image *dimage;
int ret;
ret = alloc_drawable(qdev, &release);
if (ret)
return;
left = clips->x1;
right = clips->x2;
top = clips->y1;
bottom = clips->y2;
/* skip the first clip rect */
for (i = 1, clips_ptr = clips + inc;
i < num_clips; i++, clips_ptr += inc) {
left = min_t(int, left, (int)clips_ptr->x1);
right = max_t(int, right, (int)clips_ptr->x2);
top = min_t(int, top, (int)clips_ptr->y1);
bottom = max_t(int, bottom, (int)clips_ptr->y2);
}
width = right - left;
height = bottom - top;
ret = alloc_clips(qdev, release, num_clips, &clips_bo);
if (ret)
goto out_free_drawable;
ret = qxl_image_alloc_objects(qdev, release,
&dimage,
height, stride);
if (ret)
goto out_free_clips;
/* do a reservation run over all the objects we just allocated */
ret = qxl_release_reserve_list(release, true);
if (ret)
goto out_free_image;
drawable_rect.left = left;
drawable_rect.right = right;
drawable_rect.top = top;
drawable_rect.bottom = bottom;
ret = make_drawable(qdev, 0, QXL_DRAW_COPY, &drawable_rect,
release);
if (ret)
goto out_release_backoff;
ret = qxl_bo_kmap(bo, (void **)&surface_base);
if (ret)
goto out_release_backoff;
ret = qxl_image_init(qdev, release, dimage, surface_base,
left, top, width, height, depth, stride);
qxl_bo_kunmap(bo);
if (ret)
goto out_release_backoff;
rects = drawable_set_clipping(qdev, drawable, num_clips, clips_bo);
if (!rects)
goto out_release_backoff;
drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
drawable->clip.type = SPICE_CLIP_TYPE_RECTS;
drawable->clip.data = qxl_bo_physical_address(qdev,
clips_bo, 0);
drawable->u.copy.src_area.top = 0;
drawable->u.copy.src_area.bottom = height;
drawable->u.copy.src_area.left = 0;
drawable->u.copy.src_area.right = width;
drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
drawable->u.copy.scale_mode = 0;
drawable->u.copy.mask.flags = 0;
drawable->u.copy.mask.pos.x = 0;
drawable->u.copy.mask.pos.y = 0;
drawable->u.copy.mask.bitmap = 0;
drawable->u.copy.src_bitmap = qxl_bo_physical_address(qdev, dimage->bo, 0);
qxl_release_unmap(qdev, release, &drawable->release_info);
clips_ptr = clips;
for (i = 0; i < num_clips; i++, clips_ptr += inc) {
rects[i].left = clips_ptr->x1;
rects[i].right = clips_ptr->x2;
rects[i].top = clips_ptr->y1;
rects[i].bottom = clips_ptr->y2;
}
qxl_bo_kunmap(clips_bo);
qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
qxl_release_fence_buffer_objects(release);
out_release_backoff:
if (ret)
qxl_release_backoff_reserve_list(release);
out_free_image:
qxl_image_free_objects(qdev, dimage);
out_free_clips:
qxl_bo_unref(&clips_bo);
out_free_drawable:
/* only free drawable on error */
if (ret)
free_drawable(qdev, release);
}
