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| author | Jani Nikula <jani.nikula@intel.com> | 2012-08-13 14:22:35 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-08-17 11:21:36 +0400 |
| commit | f1a2f5b7c5f0941d23eef0a095c0b99bf8d051e6 (patch) | |
| tree | 6826689fea622320d9ee48e01bbd8f1b0fe13c2b /drivers/dma/at_hdmac_regs.h | |
| parent | 4eab81366465aedcfd26de960c595bc03599c09f (diff) | |
| download | linux-f1a2f5b7c5f0941d23eef0a095c0b99bf8d051e6.tar.xz | |
drm/i915: fall back to bit-banging if GMBUS fails in CRT EDID reads
GMBUS was enabled over bit-banging as the default in commits:
commit c3dfefa0a6d235bd465309e12f4c56ea16e71111
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Feb 14 22:37:25 2012 +0100
drm/i915: reenable gmbus on gen3+ again
and
commit 0fb3f969c8683505fb7323c06bf8a999a5a45a15
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri Mar 2 19:38:30 2012 +0100
drm/i915: enable gmbus on gen2
Unfortunately, GMBUS seems to fail on some CRT displays. Add a bit-banging
fallback to CRT EDID reads.
LKML-Reference: <201207251020.47637.maciej.rutecki@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=45881
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Tested-by: Alex Ferrando <alferpal@gmail.com>
Cc: stable@vger.kernel.org (for 3.4+3.5)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/dma/at_hdmac_regs.h')
0 files changed, 0 insertions, 0 deletions