From: Chris Wilson Date: Thu, 12 Aug 2010 14:26:41 +0000 (+0100) Subject: drm/i915/sdvo: Restore guess of the DDC bus in absence of VBIOS X-Git-Tag: v2.6.36-rc4~94^2~11 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b66d842467311ac3434aa19c5c41deaab8295bd0;p=pandora-kernel.git drm/i915/sdvo: Restore guess of the DDC bus in absence of VBIOS If the VBIOS tells us the mapping of the SDVO device onto the DDC bus, use it. However, if there is no VBIOS available that mapping is uninitialised and we should fallback to our earlier guess. Fix regression introduced in b1083333 (which in turn is a fix for the regression caused by the introduction of this guess, 14571b4). References: Bug 29499 - [945GM] Screen disconnected because of missing VBIOS https://bugs.freedesktop.org/show_bug.cgi?id=29499 Bug 15109 - i945GM fails to detect EDID on DVI port https://bugzilla.kernel.org/show_bug.cgi?id=15109 Signed-off-by: Chris Wilson Reported-and-tested-by: Paul Neumann Cc: Adam Jackson Cc: Zhenyu Wang Cc: stable@kernel.org --- Reading git-diff-tree failed