[Bug 73962] [BDW Bisected]igt/many kms_flip subcases fail

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jan 27 00:26:15 PST 2014


https://bugs.freedesktop.org/show_bug.cgi?id=73962

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW
           Assignee|przanoni at gmail.com          |ville.syrjala at linux.intel.c
                   |                            |om
            Summary|[BDW Regression]igt/many    |[BDW Bisected]igt/many
                   |kms_flip subcases fail      |kms_flip subcases fail

--- Comment #2 from lu hua <huax.lu at intel.com> ---
Bisect shows: 8072bfa6045a264d3913102a35fab125b06603a2 is the first bad commit.
commit 8072bfa6045a264d3913102a35fab125b06603a2
Author:     Ville Syrjälä <ville.syrjala at linux.intel.com>
AuthorDate: Mon Oct 28 21:22:52 2013 +0200
Commit:     Ville Syrjälä <ville.syrjala at linux.intel.com>
CommitDate: Mon Jan 20 12:21:35 2014 +0200

    drm/radeon: Move the early vblank IRQ fixup to radeon_get_crtc_scanoutpos()

    i915 doesn't need this kludge for most platforms. Although we do
    appear to need something similar on certain platforms, but we can
    be more accurate when we apply the adjustment since we know exactly
    why the scanline counter doesn't always quite match the vblank
    status.

    Also the current code doesn't handle interlaced modes correctly,
    and we already deal with interlaced modes in i915 code.

    So let's just move the current code to radeon_get_crtc_scanoutpos()
    since that's why it was added. For i915 we'll add a more finely
    targeted variant.

    v2: Fix vpos vs. *vpos bug (Mario)

    Reviewed-by: mario.kleiner.de at gmail.com
    Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

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