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di-edid-decode: add special case for 16:10 aspect ratio

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The mathematical aspect ratio is 8:5 but people use 16:10.

Signed-off-by: Simon Ser <contact@emersion.fr>
This commit is contained in:
Simon Ser 2022-10-05 09:58:00 +02:00
parent a001cab480
commit 4d18413c28
2 changed files with 16 additions and 0 deletions
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5
di-edid-decode/edid.c
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@ -114,6 +114,11 @@ compute_aspect_ratio(int width, int height, int *horiz_ratio, int *vert_ratio)
*horiz_ratio = width / d;
*vert_ratio = height / d;
}
if (*horiz_ratio == 8 && *vert_ratio == 5) {
*horiz_ratio = 16;
*vert_ratio = 10;
}
}
/**

11
test/data/dell-2408wfp-dp.diff Normal file
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@ -0,0 +1,11 @@
--- ref
+++ di
@@ -33,7 +33,7 @@
DMT 0x33: 1600x1200 60.000000 Hz 4:3 75.000 kHz 162.000000 MHz
DMT 0x15: 1152x864 75.000000 Hz 4:3 67.500 kHz 108.000000 MHz
Detailed Timing Descriptors:
- DTD 1: 1920x1200 59.950171 Hz 8:5 74.038 kHz 154.000000 MHz (519 mm x 320 mm)
+ DTD 1: 1920x1200 59.950171 Hz 16:10 74.038 kHz 154.000000 MHz (519 mm x 320 mm)
Hfront 48 Hsync 32 Hback 80 Hpol P
Vfront 3 Vsync 6 Vback 26 Vpol N
Display Product Serial Number: 'G283H8BI21MS'