[haiku-bugs] Re: [Haiku] #4523: black screen on ATI Mobility Radeon X700
- From: "siarzhuk" <trac@xxxxxxxxxxxx>
- Date: Wed, 12 May 2010 21:24:26 -0000
#4523: black screen on ATI Mobility Radeon X700
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Reporter: makitka | Owner: euan
Type: bug | Status: new
Priority: normal | Milestone: R1
Component: Drivers/Graphics/radeon | Version: R1/alpha1
Keywords: | Blockedby:
Platform: All | Blocking:
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Comment(by siarzhuk):
Replying to [comment:7 euan]:
> That's interesting because I don't think there has been any changes made
to the driver. Perhaps the Backlight is now being initalized by ACPI?
Could try booting with ACPI disabled from the boot menu to see if that
reverts the problem?
Regarding the last comment from [comment:8 peterm1561]: Registers are
initiaized by random data? By the way - activating ACPI prevent me to work
with my X700xl (described in #1924) at all. In case disabled ACPI it was
possible to switch disaply in 1024x768 mode by using Fn-SwScreen shortcut.
In case ACPI is ON - it is not possible anymore.
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Ticket URL: <http://dev.haiku-os.org/ticket/4523#comment:9>
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