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Display (Linux): detect refresh rate for DRM method

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This commit is contained in:
李通洲
2024-04-18 09:52:55 +08:00
parent 9860fb67d4
commit 64ec76f5a6
3 changed files with 49 additions and 32 deletions
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src/detection/displayserver/linux/drm.c
+29 -32
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@@ -36,31 +36,28 @@ static const char* drmParseSysfs(FFDisplayServerResult* result)
continue;
}
ffStrbufSubstrBefore(&drmDir, drmDirWithDnameLength);
ffStrbufAppendS(&drmDir, "/modes");
char modes[32];
if (ffReadFileData(drmDir.chars, sizeof(modes), modes) < 3)
{
ffStrbufSubstrBefore(&drmDir, drmDirLength);
continue;
}
unsigned width = 0, height = 0;
double refreshRate = 0;
FF_STRBUF_AUTO_DESTROY name = ffStrbufCreate();
int scanned = sscanf(modes, "%ux%u", &width, &height);
if(scanned == 2 && width > 0 && height > 0)
ffStrbufSubstrBefore(&drmDir, drmDirWithDnameLength);
ffStrbufAppendS(&drmDir, "/edid");
uint8_t edidData[128];
if(ffReadFileData(drmDir.chars, sizeof(edidData), edidData) == sizeof(edidData))
{
ffStrbufSubstrBefore(&drmDir, drmDirLength);
ffStrbufAppendS(&drmDir, entry->d_name);
ffStrbufAppendS(&drmDir, "/edid");
ffEdidGetName(edidData, &name);
ffEdidGetPreferredResolutionAndRefreshRate(edidData, &width, &height, &refreshRate);
}
else
{
ffStrbufSubstrBefore(&drmDir, drmDirWithDnameLength);
ffStrbufAppendS(&drmDir, "/modes");
FF_STRBUF_AUTO_DESTROY name = ffStrbufCreate();
uint8_t edidData[128];
if(ffReadFileData(drmDir.chars, sizeof(edidData), edidData) == sizeof(edidData))
ffEdidGetName(edidData, &name);
else
char modes[32];
if (ffReadFileData(drmDir.chars, sizeof(modes), modes) >= 3)
{
sscanf(modes, "%ux%u", &width, &height);
const char* plainName = entry->d_name;
if (ffStrStartsWith(plainName, "card"))
{
@@ -69,20 +66,20 @@ static const char* drmParseSysfs(FFDisplayServerResult* result)
}
ffStrbufAppendS(&name, plainName);
}
ffdsAppendDisplay(
result,
width, height,
0,
0, 0,
0,
&name,
FF_DISPLAY_TYPE_UNKNOWN,
false,
0
);
}
ffdsAppendDisplay(
result,
width, height,
refreshRate,
0, 0,
0,
&name,
FF_DISPLAY_TYPE_UNKNOWN,
false,
0
);
ffStrbufSubstrBefore(&drmDir, drmDirLength);
}