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bochsdisplay: add edid support. 

Read EDID blob from mmio bar, store in VBE_edid.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2019-03-19 11:48:04 +01:00
parent 083801db10
commit 2f87fe393c
1 changed files with 7 additions and 1 deletions
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8
vgasrc/bochsdisplay.c
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@ -4,6 +4,7 @@
#include "bochsvga.h" // VBE_BOCHS_*
#include "hw/pci.h" // pci_config_readl
#include "hw/pci_regs.h" // PCI_BASE_ADDRESS_0
#include "vgabios.h" // SET_VGA
#include "vgautil.h" // VBE_total_memory
#define FRAMEBUFFER_WIDTH 1024
@ -40,7 +41,12 @@ bochs_display_setup(void)
if (id != VBE_DISPI_ID5)
return -1;
dprintf(1, "bochs-display: using %dx%d, %d bpp (%d stride)\n"
int i;
u8 *edid = (void*)(io_addr);
for (i = 0; i < sizeof(VBE_edid); i++)
SET_VGA(VBE_edid[i], readb(edid + i));
dprintf(1, "bochs-display: using %dx%d, %d bpp (%d stride)\n"
, FRAMEBUFFER_WIDTH, FRAMEBUFFER_HEIGHT
, FRAMEBUFFER_BPP * 8, FRAMEBUFFER_STRIDE);