From: "S, Deepak" <deepak.s@intel.com>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH v6] drm/i915/vlv: WA to fix Voltage not getting dropped to Vmin when Gfx is power gated.
Date: Fri, 31 Jan 2014 23:09:47 +0530 [thread overview]
Message-ID: <52EBDFE3.6070707@intel.com> (raw)
In-Reply-To: <20140131171059.GY9454@intel.com>
On 1/31/2014 10:40 PM, Ville Syrjälä wrote:
> On Thu, Jan 30, 2014 at 11:08:16PM +0530, deepak.s@intel.com wrote:
>> From: Deepak S <deepak.s@intel.com>
>>
>> When we enter RC6 and GFX Clocks are off, the voltage remains higher
>> than Vmin. When we try to set the freq to RPn, it might fail since the
>> Gfx clocks are down. So to fix this in Gfx idle, Bring the GFX clock up
>> and set the freq to RPn then move GFx down.
>>
>> v2: remove vlv_update_rps_cur_delay function. Update commit message (Daniel)
>>
>> v3: Fix the timeout during wait for gfx clock (Jesse)
>>
>> v4: addressed comments on set freq and punit wait (Ville)
>>
>> v5: use wait_for while waiting for GFX clk to be up. (Daniel)
>> update cur_delay before requesting min_delay. (Ville)
>>
>> v6: use wait_for while waiting for punit. (Ville)
>>
>> Signed-off-by: Deepak S <deepak.s@intel.com>
>> Reviewed-by: Ville Syrjä <ville.syrjala@linux.intel.com>
> ^^
>
> Stuff missing from my name.
Sorry Something got missed while uploading the patch :(
next prev parent reply other threads:[~2014-01-31 17:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-30 17:38 [PATCH v6] drm/i915/vlv: WA to fix Voltage not getting dropped to Vmin when Gfx is power gated deepak.s
2014-01-31 17:10 ` Ville Syrjälä
2014-01-31 17:39 ` S, Deepak [this message]
2014-02-04 10:59 ` Daniel Vetter
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