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New: incorrect method to turn off DPLL in intel framebuffer driver

Bugme-new Andrew Morton 1 participant 1 message Sep 11, 2007 1 message not in the archive Framebuffer layer

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A message that is not in the archive (sent off-list or not yet received): [email protected]/

Andrew Morton

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Quoted 20 lines · On Tue, 11 Sep 2007 00:40:22 -0700 (PDT) [email protected] wrote:

http://bugzilla.kernel.org/show_bug.cgi?id=9006

           Summary: incorrect method to turn off DPLL in intel framebuffer
                    driver
           Product: Platform Specific/Hardware
           Version: 2.5
     KernelVersion: 2.6.18.1
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: i386
        AssignedTo: [email protected]
        ReportedBy: [email protected]

in file intelfbhw.c, function intelfbhw_program_mode, the steps to turn off DPLL:

Quoted 9 lines
        tmp = INREG(dpll_reg);
        dpll_reg &= ~DPLL_VCO_ENABLE;
        OUTREG(dpll_reg, tmp);
guess it should be:
        tmp = INREG(dpll_reg);
        tmp &= ~DPLL_VCO_ENABLE;
        OUTREG(dpll_reg, tmp);

am I right?

?

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