2014/1/7 Jesse Barnes :
> According to Art, we don't have a way to read back the state reliably at
> runtime, through the control reg or the mailbox, at least not without risking
> disabling it again. So drop the readout and checking on BDW.
>
> v2: drop TODO comment (Paulo)
> move POSTING_REA
On Tue, 7 Jan 2014 17:49:05 -0200
Paulo Zanoni wrote:
> 2014/1/6 Jesse Barnes :
> > According to Art, we don't have a way to read back the state reliably at
> > runtime, at least not without risking disabling it again. So drop the
> > readout and checking on BDW.
>
> Based on that, we also need
According to Art, we don't have a way to read back the state reliably at
runtime, through the control reg or the mailbox, at least not without risking
disabling it again. So drop the readout and checking on BDW.
v2: drop TODO comment (Paulo)
move POSTING_READ of control reg under HSW branch i
2014/1/6 Jesse Barnes :
> According to Art, we don't have a way to read back the state reliably at
> runtime, at least not without risking disabling it again. So drop the
> readout and checking on BDW.
Based on that, we also need to:
- Replace the TODO comment at hsw_enable_ips() with something e
According to Art, we don't have a way to read back the state reliably at
runtime, at least not without risking disabling it again. So drop the
readout and checking on BDW.
References: https://bugs.freedesktop.org/show_bug.cgi?id=71906
Signed-off-by: Jesse Barnes
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drivers/gpu/drm/i915/intel_d
