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Kernel: Add ioctl to get the EDID from a framebuffer

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This commit is contained in:
Tom 2021-12-31 22:02:55 -07:00 • committed by Linus Groh
commit 03c45b1865
Notes: sideshowbarker 2024-07-17 20:21:28 +09:00
20 changed files with 265 additions and 84 deletions
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6
Kernel/Graphics/VirtIOGPU/GraphicsAdapter.h
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@ -15,6 +15,7 @@
#include <Kernel/Graphics/VirtIOGPU/Console.h>
#include <Kernel/Graphics/VirtIOGPU/FramebufferDevice.h>
#include <Kernel/Graphics/VirtIOGPU/Protocol.h>
#include <LibEDID/EDID.h>
namespace Kernel::Graphics::VirtIOGPU {
@ -47,6 +48,8 @@ public:
virtual void initialize() override;
ErrorOr<ByteBuffer> get_edid(size_t output_port_index) const override;
private:
void flush_dirty_rectangle(ScanoutID, ResourceID, Protocol::Rect const& dirty_rect);
@ -98,6 +101,7 @@ private:
RefPtr<Graphics::VirtIOGPU::FramebufferDevice> framebuffer;
RefPtr<Console> console;
Protocol::DisplayInfoResponse::Display display_info {};
Optional<EDID::Parser> edid;
};
virtual bool handle_device_config_change() override;
@ -117,6 +121,7 @@ private:
void populate_virtio_gpu_request_header(Protocol::ControlHeader& header, Protocol::CommandType ctrl_type, u32 flags = 0);
void query_display_information();
void query_display_edid(Optional<ScanoutID>);
ResourceID create_2d_resource(Protocol::Rect rect);
void delete_resource(ResourceID resource_id);
void ensure_backing_storage(ResourceID resource_id, Memory::Region const& region, size_t buffer_offset, size_t buffer_length);
@ -124,6 +129,7 @@ private:
void set_scanout_resource(ScanoutID scanout, ResourceID resource_id, Protocol::Rect rect);
void transfer_framebuffer_data_to_host(ScanoutID scanout, ResourceID resource_id, Protocol::Rect const& rect);
void flush_displayed_image(ResourceID resource_id, Protocol::Rect const& dirty_rect);
ErrorOr<Optional<EDID::Parser>> query_edid(u32 scanout_id);
bool m_created_framebuffer_devices { false };
Optional<ScanoutID> m_default_scanout;