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feat: expand Intel GPU display management

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daniel
2026-07-30 17:12:08 +01:00
parent 86de3400a9
commit 471903bafb
25 changed files with 1715 additions and 16 deletions
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template/sysroot/include/Api/Syscall.hpp
+49
View File
@@ -193,6 +193,10 @@ namespace montauk::abi {
static constexpr uint64_t SYS_SDR_SETPARAM = 147; // (handle, param, value)
static constexpr uint64_t SYS_SDR_GETPARAM = 148; // (handle, param) -> value
static constexpr uint64_t SYS_SETUNIXTIME = 153;
static constexpr uint64_t SYS_DISPLAYINFO = 154;
static constexpr uint64_t SYS_DISPLAYMODES = 155;
static constexpr uint64_t SYS_DISPLAYSETMODE = 156;
static constexpr uint64_t SYS_DISPLAYBRIGHTNESS = 157;
// Tunable parameters (for SYS_SDR_SETPARAM / SYS_SDR_GETPARAM).
static constexpr int SDR_PARAM_FREQ = 0; // center frequency, Hz
@@ -282,6 +286,51 @@ namespace montauk::abi {
uint64_t userAddr; // filled by SYS_FBMAP (0 until mapped)
};
enum DisplayConnectorType : uint8_t {
DISPLAY_CONNECTOR_UNKNOWN = 0,
DISPLAY_CONNECTOR_EDP = 1,
DISPLAY_CONNECTOR_DP = 2,
DISPLAY_CONNECTOR_HDMI = 3,
DISPLAY_CONNECTOR_DVI = 4,
DISPLAY_CONNECTOR_VGA = 5,
DISPLAY_CONNECTOR_LVDS = 6,
};
static constexpr uint32_t DISPLAY_CAP_MODESET = 1u << 0;
static constexpr uint32_t DISPLAY_CAP_EDID = 1u << 1;
static constexpr uint32_t DISPLAY_CAP_BRIGHTNESS = 1u << 2;
static constexpr uint32_t DISPLAY_CAP_PAGE_FLIP = 1u << 3;
static constexpr uint32_t DISPLAY_CAP_VBLANK_IRQ = 1u << 4;
static constexpr uint32_t DISPLAY_CAP_SAFE_SWITCH = 1u << 5;
static constexpr uint32_t DISPLAY_MODE_PREFERRED = 1u << 0;
static constexpr uint32_t DISPLAY_MODE_CURRENT = 1u << 1;
static constexpr uint32_t DISPLAY_MODE_DRIVER_VALID = 1u << 2;
struct DisplayModeInfo {
uint32_t width;
uint32_t height;
uint32_t refreshMilliHz;
uint32_t pixelClockKHz;
uint32_t flags;
uint32_t _pad;
};
struct DisplayInfo {
uint32_t capabilities;
uint32_t modeCount;
int32_t currentMode;
int32_t brightness;
uint16_t deviceId;
uint8_t generation;
uint8_t connectorType;
uint8_t connected;
uint8_t _pad0[3];
char gpuName[64];
char connectorName[32];
char monitorName[64];
};
struct SysInfo {
char osName[32];
char osVersion[32];
template/sysroot/include/montauk/syscall.h
+15
View File
@@ -326,6 +326,21 @@ namespace montauk {
// Framebuffer
inline void fb_info(montauk::abi::FbInfo* info) { syscall1(montauk::abi::SYS_FBINFO, (uint64_t)info); }
inline void* fb_map() { return (void*)syscall0(montauk::abi::SYS_FBMAP); }
inline int display_info(montauk::abi::DisplayInfo* out) {
return (int)syscall1(montauk::abi::SYS_DISPLAYINFO, (uint64_t)out);
}
inline int display_modes(montauk::abi::DisplayModeInfo* out, int maxCount) {
return (int)syscall2(montauk::abi::SYS_DISPLAYMODES,
(uint64_t)out, (uint64_t)maxCount);
}
inline int display_set_mode(int modeIndex) {
return (int)syscall1(montauk::abi::SYS_DISPLAYSETMODE,
(uint64_t)modeIndex);
}
inline int display_brightness(int percent = -1) {
return (int)syscall1(montauk::abi::SYS_DISPLAYBRIGHTNESS,
(uint64_t)(int64_t)percent);
}
// Arguments
inline int getargs(char* buf, uint64_t maxLen) {