SI display gap for more than 2 displays

Sylvain BERTRAND sylware at legeek.net
Thu Sep 4 07:56:18 PDT 2014


On Thu, Sep 04, 2014 at 03:52:20PM +0200, Sylvain BERTRAND wrote:
> Hi,
> 
> In si_program_display_gap we have DISP1_GAP and DISP2_GAP.
> 
> Where are DISP3_GAP to DISP6_GAP? What does expect this hardware
> block when more than 2 displays are connected? Is DISP2_GAP
> actually stand for DISP[3-6]_GAP?
> 
> Still in the same function, what happened to the pipes for
> DCCG_DISP[2-6]_SLOW_SELECT?

I noticed something else: in si_enable_display_gap, the
DISP1_GAP_MCHG and DISP2_GAP_MCHG fields from CG_DISPLAY_GAP_CNTL
get inited with DISP1 only to vblank, and never reprogrammed
with new displays like DISP[12]_GAP. It seems not consistant,
expected?

regards,

-- 
Sylvain BERTRAND


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