11  * See the COPYING file in the top-level directory.
18 #include "hw/display/bochs-vbe.h" /* for limits */
26     uint32_t width;  member
35     uint32_t width, height;  member
47 static DisplaySurface *ramfb_create_display_surface(int width, int height,  in ramfb_create_display_surface()  argument
55     if (width < 16 || width > VBE_DISPI_MAX_XRES ||  in ramfb_create_display_surface()
60     linesize = width * PIXMAN_FORMAT_BPP(format) / 8;  in ramfb_create_display_surface()
65     mapsize = size = stride * (height - 1) + linesize;  in ramfb_create_display_surface()
72     surface = qemu_create_displaysurface_from(width, height,  in ramfb_create_display_surface()
74     pixman_image_set_destroy_function(surface->image,  in ramfb_create_display_surface()
84     uint32_t fourcc, format, width, height;  in ramfb_fw_cfg_write()  local
87     width  = be32_to_cpu(s->cfg.width);  in ramfb_fw_cfg_write()
88     height = be32_to_cpu(s->cfg.height);  in ramfb_fw_cfg_write()
89     stride = be32_to_cpu(s->cfg.stride);  in ramfb_fw_cfg_write()
90     fourcc = be32_to_cpu(s->cfg.fourcc);  in ramfb_fw_cfg_write()
91     addr   = be64_to_cpu(s->cfg.addr);  in ramfb_fw_cfg_write()
94     surface = ramfb_create_display_surface(width, height,  in ramfb_fw_cfg_write()
100     s->width = width;  in ramfb_fw_cfg_write()
101     s->height = height;  in ramfb_fw_cfg_write()
102     qemu_free_displaysurface(s->ds);  in ramfb_fw_cfg_write()
103     s->ds = surface;  in ramfb_fw_cfg_write()
108     if (!s->width || !s->height) {  in ramfb_display_update()
112     if (s->ds) {  in ramfb_display_update()
113         dpy_gfx_replace_surface(con, s->ds);  in ramfb_display_update()
114         s->ds = NULL;  in ramfb_display_update()
143     if (!fw_cfg || !fw_cfg->dma_enabled) {  in ramfb_setup()
144         error_setg(errp, "ramfb device requires fw_cfg with DMA");  in ramfb_setup()
151         rom_add_vga("vgabios-ramfb.bin");  in ramfb_setup()
155                              &s->cfg, sizeof(s->cfg), false);  in ramfb_setup()