compiz team mailing list archive

[Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>]

The cause of the EINVAL is an attempt to pageflip with the pipe disabled
due to DPMS off. This should be fixed by:

commit c4eb5528a456b65c673f7c984d14a622ac67cdca
Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Date:   Tue Jun 5 16:04:16 2012 +0100

    uxa: Check for DPMS off before scheduling a WAIT_ON_EVENT
    
    Regression from commit 3f3bde4f0c72f6f31aae322bcdc20b95eade6631
    Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
    Date:   Thu May 24 11:58:46 2012 +0100
    
        uxa: Only consider an output valid if the kernel reports it attached
    
    When backporting from SNA, a key difference that UXA does not track DPMS
    state in its enabled flag and that a DPMS off CRTC is still bound to the
    fb. So we do need to rescan the outputs and check that we have a
    connector enabled *and* the pipe is running prior to emitting a scanline
    wait.
    
    References: https://bugs.freedesktop.org/show_bug.cgi?id=50668
    Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>

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https://bugs.launchpad.net/bugs/966744

Title:
  [i965] Resume from suspend leaves me with black screen or a screen of
  the desktop before it suspended. Compiz hung in
  intel_update_renderbuffers() from intel_prepare_render() from
  brw_draw_prims()

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