20 lines
898 B
Diff
20 lines
898 B
Diff
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diff --git a/hw/xfree86/modes/xf86Crtc.c b/hw/xfree86/modes/xf86Crtc.c
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index d375da8..aead061 100644
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--- a/hw/xfree86/modes/xf86Crtc.c
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+++ b/hw/xfree86/modes/xf86Crtc.c
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@@ -2097,7 +2097,13 @@ xf86OutputSetEDID (xf86OutputPtr output,
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for (i = 0; i < 4; i++) {
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if (edid_mon->det_mon[i].type == DT &&
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edid_mon->det_mon[i].section.d_timings.h_size != 0 &&
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- edid_mon->det_mon[i].section.d_timings.v_size != 0)
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+ edid_mon->det_mon[i].section.d_timings.v_size != 0 &&
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+ /* some sanity checking for aspect ration */
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+ ((edid_mon->det_mon[i].section.d_timings.h_size /
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+ edid_mon->det_mon[i].section.d_timings.v_size) < 2) &&
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+ ((edid_mon->det_mon[i].section.d_timings.v_size /
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+ edid_mon->det_mon[i].section.d_timings.h_size) < 2)
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+ )
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{
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output->mm_width = edid_mon->det_mon[i].section.d_timings.h_size;
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output->mm_height = edid_mon->det_mon[i].section.d_timings.v_size;
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