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audk/OvmfPkg/QemuVideoDxe
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Laszlo Ersek edfe16a6d9 OvmfPkg/QemuVideoDxe: unbreak "secondary-vga" and "bochs-display" support 
In edk2 commit 333f32ec23, QemuVideoDxe gained support for QEMU's
"secondary-vga" device model (originally introduced in QEMU commit
63e3e24db2e9).

In QEMU commit 765c94290863, the "bochs-display" device was introduced,
which would work with QemuVideoDxe out of the box, reusing the
"secondary-vga" logic.

Support for both models has been broken since edk2 commit 662bd0da7f.
Said patch ended up requiring VGA IO Ports -- i.e., at least one of
EFI_PCI_IO_ATTRIBUTE_VGA_IO and EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 -- even if
the device wasn't actually VGA compatible.

Restrict the IO Ports requirement to VGA compatible devices.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Marc W Chen <marc.w.chen@intel.com>
Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
Fixes: 662bd0da7f
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2555
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200224171741.7494-1-lersek@redhat.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
 		2020-02-26 16:44:41 +00:00
..
ComponentName.c OvmfPkg: Replace BSD License with BSD+Patent License 2019-04-09 10:58:19 -07:00
Driver.c OvmfPkg/QemuVideoDxe: unbreak "secondary-vga" and "bochs-display" support 2020-02-26 16:44:41 +00:00
Gop.c OvmfPkg: Replace BSD License with BSD+Patent License 2019-04-09 10:58:19 -07:00
Initialize.c OvmfPkg: Replace BSD License with BSD+Patent License 2019-04-09 10:58:19 -07:00
Qemu.h OvmfPkg/QemuVideoDxe: Remove dependency on OptionRomPkg 2019-05-09 20:03:26 -07:00
QemuVideoDxe.inf OvmfPkg/QemuVideoDxe: Remove dependency on OptionRomPkg 2019-05-09 20:03:26 -07:00
VbeShim.asm OvmfPkg/Qemu: Fix various typos 2020-02-10 22:30:07 +00:00
VbeShim.c OvmfPkg/QemuVideoDxe: avoid arithmetic on null pointer 2019-04-18 16:03:38 +02:00
VbeShim.h OvmfPkg: QemuVideoDxe: Int10h stub for Windows 7 & 2008 (stdvga, QXL) 2014-05-20 16:33:00 +00:00
VbeShim.sh OvmfPkg: Replace BSD License with BSD+Patent License 2019-04-09 10:58:19 -07:00