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Kernel: Simplify graphics initialization somewhat

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We use a switch-case statements to ensure we try to find the best
suitable driver for a specific graphics card. In case we don't find
such, we use the default statement to initialize the graphics card as a
generic VGA adapter, if the adapter is VGA compatible.

If we couldn't initialize the driver, we don't touch this adapter
anymore.

Also, GraphicsDevice should not be tied to a PCI::Address member, as it
can be theortically be used with other buses (e.g. ISA cards).
This commit is contained in:
Liav A 2021-07-03 05:04:02 +03:00 • committed by Gunnar Beutner
parent 27fe2b45e5
commit 053a832fac
7 changed files with 94 additions and 84 deletions
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2
Kernel/Graphics/VirtIOGPU/VirtIOGraphicsAdapter.cpp
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@ -17,7 +17,7 @@ NonnullRefPtr<VirtIOGraphicsAdapter> VirtIOGraphicsAdapter::initialize(PCI::Addr
}
VirtIOGraphicsAdapter::VirtIOGraphicsAdapter(PCI::Address base_address)
: GraphicsDevice(base_address)
: PCI::DeviceController(base_address)
{
m_gpu_device = adopt_ref(*new VirtIOGPU(base_address)).leak_ref();
}

4
Kernel/Graphics/VirtIOGPU/VirtIOGraphicsAdapter.h
View file

@ -12,7 +12,9 @@
namespace Kernel::Graphics {
class VirtIOGraphicsAdapter final : public GraphicsDevice {
class VirtIOGraphicsAdapter final
: public GraphicsDevice
, public PCI::DeviceController {
AK_MAKE_ETERNAL
public: