Re: [Intel-gfx] [PATCH v2 3/3] drm/i915/icl: Work around broken VBTs for port F detection

2019-01-17 Thread Imre Deak
Hi, On Wed, Jan 16, 2019 at 05:33:19PM -0800, Dhinakaran Pandiyan wrote: > On Thu, 2018-12-20 at 17:52 +0200, Imre Deak wrote: > > VBT may include incorrect information about the presence of port F. > > Work > > around this on SKUs where we know the port is not present. > > If we cannot trust

Re: [Intel-gfx] [PATCH v2 3/3] drm/i915/icl: Work around broken VBTs for port F detection

2019-01-16 Thread Dhinakaran Pandiyan
On Thu, 2018-12-20 at 17:52 +0200, Imre Deak wrote: > VBT may include incorrect information about the presence of port F. > Work > around this on SKUs where we know the port is not present. If we cannot trust the data in VBT, can we not test for the absence of port-F by enabling the powerwell and

[Intel-gfx] [PATCH v2 3/3] drm/i915/icl: Work around broken VBTs for port F detection

2018-12-20 Thread Imre Deak
VBT may include incorrect information about the presence of port F. Work around this on SKUs where we know the port is not present. v2: - Fix IS_ICL_WITH_PORT_F, so it's useable from any context. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108915 Cc: Mika Kahola Cc: Jani Nikula