[Intel-gfx] Dear Intel: please document SDVO LVDS option block
ajax at redhat.com
Mon Nov 28 10:35:17 PST 2011
On 11/28/11 12:28 PM, Keith Packard wrote:
> On Wed, 26 Oct 2011 10:53:11 -0400, Adam Jackson<ajax at redhat.com> wrote:
>> On Wed, 2011-10-19 at 10:28 -0400, Adam Jackson wrote:
>>> I assume the SDVO LVDS options block in the VBT would tell us what bits
>>> are correct to program here, but intel_bios.h documents only the layout
>>> of that structure, not its content. Or, we can hope that the SDVO card
>>> set it up correctly for us (hah).
>>> Intel people, care to shed some light here?
>> Just re-raising this. I suspect we can't support SDVO LVDS correctly
>> without knowing more here. In particular:
>> - what "panel type" means in struct bdb_sdvo_lvds_options
> Which of the four panels in the SDVO info is actually connected.
Thank you for this! Let's see if we can figure the rest of this out.
4ernov, can you build a kernel with the following patch added:
and boot with drm.debug=0x4, and attach dmesg from running it? Also,
describe your configuration more exactly; it's clear from older emails
from you that you have two SDVO LVDS, but are they the same resolution?
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