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[idd] config: retain four-decimal refresh rates

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This commit is contained in:
Geoffrey McRae
2026-08-17 02:09:58 +10:00
parent c0de47b1e1
commit 9d074519b2
16 changed files with 93 additions and 76 deletions
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2
idd/LGIdd/display/CDeviceContext.cpp
View File

@@ -440,7 +440,7 @@ void CDeviceContext::OnSwapChainReady()
m_monitorManager.QueueReplug();
else if (action.setMode)
g_pipe.SetDisplayMode(
action.mode.width, action.mode.height, action.mode.refreshMilliHz);
action.mode.width, action.mode.height, action.mode.refresh100uHz);
}
// Display configuration

35
idd/LGIdd/display/CDisplayConfiguration.cpp
View File

@@ -22,6 +22,7 @@
#include "CDebug.h"
#include "CSRWLock.h"
#include "RefreshRate.h"
#include <iterator>
#include <utility>
@@ -66,24 +67,26 @@ bool CDisplayConfiguration::LoadModes(const FrameCaps& caps)
{
configuredMode.width,
configuredMode.height,
configuredMode.refreshMilliHz,
configuredMode.refresh100uHz,
};
if (!frameMode.width || !frameMode.height ||
!frameMode.refreshMilliHz)
!frameMode.refresh100uHz)
{
DEBUG_WARN("Filtering invalid %s mode %ux%u@%.3f",
DEBUG_WARN("Filtering invalid %s mode %ux%u@%.4f",
configuredMode.extraMode ? "extra" : "configured",
configuredMode.width, configuredMode.height,
configuredMode.refreshMilliHz / 1000.0);
configuredMode.refresh100uHz /
static_cast<double>(LG_REFRESH_RATE_SCALE));
continue;
}
if (!caps.CanUseMode(frameMode))
{
DEBUG_WARN(
"Filtering unsupported %s mode %ux%u@%.3f",
"Filtering unsupported %s mode %ux%u@%.4f",
configuredMode.extraMode ? "extra" : "configured",
configuredMode.width, configuredMode.height,
configuredMode.refreshMilliHz / 1000.0);
configuredMode.refresh100uHz /
static_cast<double>(LG_REFRESH_RATE_SCALE));
continue;
}
@@ -128,11 +131,11 @@ bool CDisplayConfiguration::ReloadSettings(
CSettings::DisplayMode extraMode = {};
if (m_settings.GetExtraMode(extraMode))
{
const unsigned refreshMilliHz =
m_settings.GetDefaultRefreshMilliHz();
if (extraMode.refreshMilliHz != refreshMilliHz)
const unsigned refresh100uHz =
m_settings.GetDefaultRefresh100uHz();
if (extraMode.refresh100uHz != refresh100uHz)
{
extraMode.refreshMilliHz = refreshMilliHz;
extraMode.refresh100uHz = refresh100uHz;
settingsUpdated = m_settings.SetExtraMode(extraMode);
}
}
@@ -155,10 +158,10 @@ CDisplayConfiguration::SetResolution(
CSettings::DisplayMode mode = {};
mode.width = width;
mode.height = height;
mode.refreshMilliHz = m_settings.GetDefaultRefreshMilliHz();
mode.refresh100uHz = m_settings.GetDefaultRefresh100uHz();
mode.preferred = true;
if (!mode.width || !mode.height || !mode.refreshMilliHz)
if (!mode.width || !mode.height || !mode.refresh100uHz)
{
DEBUG_WARN("Ignoring invalid resolution request: %ux%u", width, height);
return result;
@@ -168,7 +171,7 @@ CDisplayConfiguration::SetResolution(
{
mode.width,
mode.height,
mode.refreshMilliHz,
mode.refresh100uHz,
};
if (!caps.CanUseMode(frameMode, &result.requiredMiB))
{
@@ -289,9 +292,11 @@ static inline void FillSignalInfo(DISPLAYCONFIG_VIDEO_SIGNAL_INFO& signal,
signal.AdditionalSignalInfo.vSyncFreqDivider = monitorMode ? 0 : 1;
signal.AdditionalSignalInfo.videoStandard = 255;
SetSignalRate(signal.vSyncFreq, mode.refreshMilliHz, 1000);
SetSignalRate(signal.vSyncFreq, mode.refresh100uHz,
LG_REFRESH_RATE_SCALE);
SetSignalRate(signal.hSyncFreq,
(UINT64)mode.refreshMilliHz * signal.totalSize.cy, 1000);
(UINT64)mode.refresh100uHz * signal.totalSize.cy,
LG_REFRESH_RATE_SCALE);
signal.scanLineOrdering = DISPLAYCONFIG_SCANLINE_ORDERING_PROGRESSIVE;
signal.pixelRate = timing.pixelClock;

11
idd/LGIdd/display/CEdid.cpp
View File

@@ -20,6 +20,8 @@
#include "display/CEdid.h"
#include "RefreshRate.h"
#include <algorithm>
#include <string.h>
@@ -367,7 +369,7 @@ bool CEdid::GetTiming(Timing& timing, const CSettings::DisplayMode& mode)
timing.vActive = mode.height;
if (timing.hActive == 0 || timing.vActive == 0 ||
mode.refreshMilliHz == 0)
mode.refresh100uHz == 0)
return false;
timing.hBlank = std::max<DWORD>(160,
@@ -391,11 +393,12 @@ bool CEdid::GetTiming(Timing& timing, const CSettings::DisplayMode& mode)
if (timing.vFront + timing.vSync >= timing.vBlank)
return false;
const UINT64 pixelClockMilliHz =
const UINT64 pixelClock100uHz =
(UINT64)(timing.hActive + timing.hBlank) *
(UINT64)(timing.vActive + timing.vBlank) *
(UINT64)mode.refreshMilliHz;
timing.pixelClock = (pixelClockMilliHz + 500) / 1000;
(UINT64)mode.refresh100uHz;
timing.pixelClock = (pixelClock100uHz + LG_REFRESH_RATE_SCALE / 2) /
LG_REFRESH_RATE_SCALE;
return timing.pixelClock != 0;
}