diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2014-08-26 14:16:30 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2014-09-04 08:22:48 +0200 |
| commit | 54a85d462447c1cb8a1638578a7fd086350b4d2d (patch) | |
| tree | 0fa270ba99f627e5c4ffba1996b58c837c397357 | |
| parent | 30eaca3acdf17d7bcbd1213eb149c02037edfb0b (diff) | |
| download | qemu-54a85d462447c1cb8a1638578a7fd086350b4d2d.zip | |
vbe: make bochs dispi interface return the correct memory size with qxl
VgaState->vram_size is the size of the pci bar. In case of qxl not the
whole pci bar can be used as vga framebuffer. Add a new variable
vbe_size to handle that case. By default (if unset) it equals
vram_size, but qxl can set vbe_size to something else.
This makes sure VBE_DISPI_INDEX_VIDEO_MEMORY_64K returns correct results
and sanity checks are done with the correct size too.
Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
| -rw-r--r-- | hw/display/qxl.c | 1 | ||||
| -rw-r--r-- | hw/display/vga.c | 7 | ||||
| -rw-r--r-- | hw/display/vga_int.h | 1 |
3 files changed, 7 insertions, 2 deletions
diff --git a/hw/display/qxl.c b/hw/display/qxl.c index d43aa49eb8..652af99001 100644 --- a/hw/display/qxl.c +++ b/hw/display/qxl.c @@ -2063,6 +2063,7 @@ static int qxl_init_primary(PCIDevice *dev) qxl->id = 0; qxl_init_ramsize(qxl); + vga->vbe_size = qxl->vgamem_size; vga->vram_size_mb = qxl->vga.vram_size >> 20; vga_common_init(vga, OBJECT(dev), true); vga_init(vga, OBJECT(dev), diff --git a/hw/display/vga.c b/hw/display/vga.c index 65dab8dbed..99251d7698 100644 --- a/hw/display/vga.c +++ b/hw/display/vga.c @@ -610,7 +610,7 @@ uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr) val = s->vbe_regs[s->vbe_index]; } } else if (s->vbe_index == VBE_DISPI_INDEX_VIDEO_MEMORY_64K) { - val = s->vram_size / (64 * 1024); + val = s->vbe_size / (64 * 1024); } else { val = 0; } @@ -749,7 +749,7 @@ void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val) line_offset = w >> 1; else line_offset = w * ((s->vbe_regs[VBE_DISPI_INDEX_BPP] + 7) >> 3); - h = s->vram_size / line_offset; + h = s->vbe_size / line_offset; /* XXX: support weird bochs semantics ? */ if (h < s->vbe_regs[VBE_DISPI_INDEX_YRES]) return; @@ -2285,6 +2285,9 @@ void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate) s->vram_size <<= 1; } s->vram_size_mb = s->vram_size >> 20; + if (!s->vbe_size) { + s->vbe_size = s->vram_size; + } s->is_vbe_vmstate = 1; memory_region_init_ram(&s->vram, obj, "vga.vram", s->vram_size); diff --git a/hw/display/vga_int.h b/hw/display/vga_int.h index 641f8f41d2..bbc0cb2ad8 100644 --- a/hw/display/vga_int.h +++ b/hw/display/vga_int.h @@ -93,6 +93,7 @@ typedef struct VGACommonState { MemoryRegion vram_vbe; uint32_t vram_size; uint32_t vram_size_mb; /* property */ + uint32_t vbe_size; uint32_t latch; bool has_chain4_alias; MemoryRegion chain4_alias; |