Opened 10 years ago

Closed 9 years ago

#4572 closed bug (fixed)

Screen Preferences locks refresh rate at single value for some monitors.

Reported by: gerald.zajac Owned by: axeld
Priority: normal Milestone: R1
Component: Preferences/Screen Version: R1/alpha1
Keywords: Cc:
Blocked By: Blocking:
Has a Patch: no Platform: All


When using older CRT monitors which do not provide the horizontal and vertical frequency ranges (EDID1_MONITOR_RANGES) in their EDID info, the Screen Preferences locks the refresh rate at the refresh rate of the current video mode. That is, the Refresh Rate drop down list shows only a single entry which is the refresh rate of the current video mode.

The attached diff file fixes this problem by setting the vertical frequency range to 60..85 Hz if the current range is zero which is the case when the EDID info does not contain this info.

Attachments (1)

ScreenPrefFix.diff (834 bytes) - added by gerald.zajac 10 years ago.

Download all attachments as: .zip

Change History (3)

Changed 10 years ago by gerald.zajac

Attachment: ScreenPrefFix.diff added

comment:1 Changed 9 years ago by gerald.zajac

When I filed this report, I neglected to fully state the problem with the Refresh Rate drop down list. When the refresh rate is clicked upon, a list with only one entry is shown which has the following text: "xx Hz/Other..." where xx is the current refresh rate. However, there should be two entries: "xx Hz" and "Other...". Clicking on "xx Hz/Other..." brings up the dialog box that should allow another refresh rate to be selected; however, that dialog box is empty. Thus, the dialog box is useless for selecting a refesh rate.

comment:2 Changed 9 years ago by axeld

Resolution: fixed
Status: newclosed

Thanks (also for the reminder)! Applied in hrev34627.

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