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From: Mahesh Kumar <mahesh1.kumar@intel.com>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	intel-gfx@lists.freedesktop.org
Cc: paulo.r.zanoni@intel.com
Subject: Re: [PATCH v3 3/9] drm/i915/skl: New ddb allocation algorithm
Date: Tue, 13 Sep 2016 11:51:39 +0530	[thread overview]
Message-ID: <57D79AF3.5080108@intel.com> (raw)
In-Reply-To: <2940e727-a41a-343a-abf5-ab47116ed1e6@linux.intel.com>

Hi,

It seems I missed one condition while setting enable bit for WM's, 
because of which It's not enabling WM level-0 & you are observing flickers.
I'll upload updated patch.


On Monday 12 September 2016 06:41 PM, Maarten Lankhorst wrote:
> Hey,
>
> Op 09-09-16 om 10:01 schreef Kumar, Mahesh:
>> From: Mahesh Kumar <mahesh1.kumar@intel.com>
>>
>> This patch implements new DDB allocation algorithm as per HW team
>> suggestion. This algo takecare of scenario where we allocate less DDB
>> for the planes with lower relative pixel rate, but they require more DDB
>> to work.
>> It also takes care of enabling same watermark level for each
>> plane, for efficient power saving.
>>
>> Changes since v1:
>>   - Rebase on top of Paulo's patch series
> This breaks the kms_atomic_transition testcase. I'm getting a lot of CPU pipe (A,B,C) FIFO underrun error messages,
> and my DP-MST display won't turn on at all.
>
> ~Maarten

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  reply	other threads:[~2016-09-13  6:17 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-09  8:00 [PATCH v3 0/9] New DDB Algo and WM fixes Kumar, Mahesh
2016-09-09  8:00 ` [PATCH v3 1/9] drm/i915/skl: pass pipe_wm in skl_compute_(wm_level/plane_wm) functions Kumar, Mahesh
2016-09-20 12:17   ` Paulo Zanoni
2016-09-21 13:48     ` Mahesh Kumar
2016-09-21 13:59       ` Paulo Zanoni
2016-09-09  8:00 ` [PATCH v3 2/9] drm/i915/skl+: use linetime latency instead of ddb size Kumar, Mahesh
2016-09-12  8:56   ` Maarten Lankhorst
2016-09-19 18:19   ` Paulo Zanoni
2016-09-19 18:24     ` Zanoni, Paulo R
2016-09-22  8:02       ` Mahesh Kumar
2016-09-09  8:01 ` [PATCH v3 3/9] drm/i915/skl: New ddb allocation algorithm Kumar, Mahesh
2016-09-12 10:50   ` Maarten Lankhorst
2016-09-12 13:11   ` Maarten Lankhorst
2016-09-13  6:21     ` Mahesh Kumar [this message]
2016-09-13 12:15     ` [PATCH v4] " Kumar, Mahesh
2016-09-13 12:40       ` Maarten Lankhorst
2016-09-14 12:36         ` Mahesh Kumar
2016-09-19  8:27           ` Maarten Lankhorst
2016-09-19  9:55           ` Maarten Lankhorst
2016-09-21 13:03             ` Mahesh Kumar
2016-09-09  8:01 ` [PATCH v3 4/9] drm/i915: Decode system memory bandwidth Kumar, Mahesh
2016-09-16  8:02   ` Pandiyan, Dhinakaran
2016-09-16 11:35     ` Mahesh Kumar
2016-09-19 20:41   ` Paulo Zanoni
2016-09-09  8:01 ` [PATCH v3 5/9] drm/i915/gen9: WM memory bandwidth related workaround Kumar, Mahesh
2016-09-12 11:02   ` Maarten Lankhorst
2016-09-12 11:12     ` Maarten Lankhorst
2016-09-09  8:01 ` [PATCH v3 6/9] drm/i915/skl+: change WM calc to fixed point 16.16 Kumar, Mahesh
2016-09-21 18:32   ` Paulo Zanoni
2016-09-22  9:25     ` Mahesh Kumar
2016-09-09  8:01 ` [PATCH v3 7/9] drm/i915/bxt: Enable IPC support Kumar, Mahesh
2016-09-21 20:06   ` Paulo Zanoni
2016-09-22 10:14     ` Mahesh Kumar
2016-09-09  8:01 ` [PATCH v3 8/9] drm/i915/bxt: set chicken bit as IPC y-tile WA Kumar, Mahesh
2016-09-21 20:23   ` Paulo Zanoni
2016-09-22  9:43     ` Mahesh Kumar
2016-09-22 11:53       ` Paulo Zanoni
2016-09-09  8:01 ` [PATCH v3 9/9] drm/i915/bxt: Implement Transition WM Kumar, Mahesh
2016-09-14 11:54   ` [PATCH v4] " Kumar, Mahesh
2016-09-21 20:27     ` Paulo Zanoni

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