Found by reading the HIZ_CHICKEN documentation.
Improves performance in a HiZ microbenchmark by around 50%.
Improves performance in OglZBuffer by around 18%.
Thanks to Chris Wilson for helping me figure out where to put this.
Signed-off-by: Kenneth Graunke kenn...@whitecape.org
---
This is an important optimization for avoiding read-after-write (RAW)
stalls in the HiZ buffer. Certain workloads would run very slowly with
HiZ enabled, but run much faster with the hiz=false driconf option.
With this patch, they run at full speed even with HiZ.
Improves performance in
I constantly get this warning triggered on bootup. Any ideas? ;)
Thanks a lot,
Daniel
[...]
[4.634728] [drm] Memory usable by graphics device = 2048M
[4.636017] checking generic (9000 42) vs hw (9000 1000)
[4.636020] fb: switching to inteldrmfb from EFI VGA
[
On Sat, Jan 10, 2015 at 02:25:57AM +0530, Vandana Kannan wrote:
Add DRRS work function to trigger a switch to low refresh rate when activity
is detected on screen.
Where is this function used? How can I judge that it does the right
thing?
Signed-off-by: Vandana Kannan vandana.kan...@intel.com
On Sat, Jan 10, 2015 at 02:26:04AM +0530, Vandana Kannan wrote:
Adding a debugfs entry to determine if DRRS is supported or not
Signed-off-by: Vandana Kannan vandana.kan...@intel.com
---
drivers/gpu/drm/i915/i915_debugfs.c | 18 ++
1 file changed, 18 insertions(+)
diff
On 2015-01-10 20:19:29, Ben Widawsky wrote:
+ printf(Usage: %s [-ef] [--min | --max] [-g (min|max|efficient)][-s
frequency_mhz]\n\n, prog);
-ef = -f
Add space before [-s
+ printf(%s A program to manipulate Intel GPU frequencies.\n\n, prog);
+ printf(Options: \n);
+
On Sunday, January 11, 2015 05:46:09 PM Ben Widawsky wrote:
On Sun, Jan 11, 2015 at 04:05:25PM -0800, Kenneth Graunke wrote:
On Sunday, January 11, 2015 01:49:41 PM Ben Widawsky wrote:
On Sat, Jan 10, 2015 at 06:44:49PM -0800, Kenneth Graunke wrote:
This is an important optimization for
Hello
Aftertrying to leave an xlock started with xlock -nolock +use3d -mode
gears, I get a drm stuck on render ring error.
The funny thing is this problem did not happen on the exact same thinkpad
x201 laptop using an identical xorg.conf but with a debian jessie i386 (I
did a clean reinstall
On Sunday, January 11, 2015 05:46:09 PM Ben Widawsky wrote:
On Sun, Jan 11, 2015 at 04:05:25PM -0800, Kenneth Graunke wrote:
On Sunday, January 11, 2015 01:49:41 PM Ben Widawsky wrote:
On Sat, Jan 10, 2015 at 06:44:49PM -0800, Kenneth Graunke wrote:
This is an important optimization for
On Sun, Jan 11, 2015 at 07:05:21PM -0800, Kenneth Graunke wrote:
On Sunday, January 11, 2015 05:46:09 PM Ben Widawsky wrote:
On Sun, Jan 11, 2015 at 04:05:25PM -0800, Kenneth Graunke wrote:
On Sunday, January 11, 2015 01:49:41 PM Ben Widawsky wrote:
On Sat, Jan 10, 2015 at 06:44:49PM
We clean up the encoder and then try to acquire pps_lock where it tries
to get the encoder. So moving the cleanup to the end.
Suggested-by: Satheeshakrishna M satheeshakrishn...@intel.com
Signed-off-by: Sonika Jindal sonika.jin...@intel.com
---
drivers/gpu/drm/i915/intel_dp.c |4 ++--
1 file
On Sat, Jan 10, 2015 at 06:44:49PM -0800, Kenneth Graunke wrote:
This is an important optimization for avoiding read-after-write (RAW)
stalls in the HiZ buffer. Certain workloads would run very slowly with
HiZ enabled, but run much faster with the hiz=false driconf option.
With this patch,
On Sun, Jan 11, 2015 at 07:35:21PM -0800, Ben Widawsky wrote:
WARNING: very minimally tested
In general you should not need this tool. It's primary purpose is for
benchmarking, and for debugging performance issues.
I noticed the it's vs its on v1, but forgot to fix it. IT'S fixed locally
On Sun, Jan 11, 2015 at 06:53:32PM -0800, Kenneth Graunke wrote:
[snip]
Jesse had suggested setting it in broadwell_init_clock_gating on January 5th,
and Valtteri tried it on January 7th. He found no noticeable difference.
I tried it again, and confirmed his result: there was zero
On Sunday, January 11, 2015 01:49:41 PM Ben Widawsky wrote:
On Sat, Jan 10, 2015 at 06:44:49PM -0800, Kenneth Graunke wrote:
This is an important optimization for avoiding read-after-write (RAW)
stalls in the HiZ buffer. Certain workloads would run very slowly with
HiZ enabled, but run
From ebfde852d9efbd7213c391e91be9d0741813bb16 Mon Sep 17 00:00:00 2001
From: Libin Yang libin.y...@intel.com
Date: Wed, 7 Jan 2015 10:56:18 +0800
Subject: [PATCH] intel_audio_dump: add support for Cherryview
This patch adds support for dumping audio registers of Cherryview.
Signed-off-by: Libin
Tested-By: PRC QA PRTS (Patch Regression Test System Contact:
shuang...@intel.com)
-Summary-
Platform Delta drm-intel-nightly Series Applied
PNV 354/354
WARNING: very minimally tested
In general you should not need this tool. It's primary purpose is for
benchmarking, and for debugging performance issues.
For many kernel releases now sysfs has supported reading and writing the GPU
frequency. Therefore, this tool provides no new functionality.
On 2015.01.12 01:38:34 +, Yang, Libin wrote:
From ebfde852d9efbd7213c391e91be9d0741813bb16 Mon Sep 17 00:00:00 2001
From: Libin Yang libin.y...@intel.com
Date: Wed, 7 Jan 2015 10:56:18 +0800
Subject: [PATCH] intel_audio_dump: add support for Cherryview
This patch adds support for
At Mon, 12 Jan 2015 02:32:16 +0100,
Daniel Vetter wrote:
On Fri, Jan 9, 2015 at 11:20 AM, Takashi Iwai ti...@suse.de wrote:
At Fri, 9 Jan 2015 10:18:45 +0100,
Daniel Vetter wrote:
On Thu, Jan 08, 2015 at 05:54:12PM +0200, Imre Deak wrote:
This is v4 of [1] addressing the review
On 1/9/2015 6:20 PM, Jani Nikula wrote:
On Fri, 02 Jan 2015, Shobhit Kumar shobhit.ku...@intel.com wrote:
For scenarios where OF is not available, we can use panel identification by
name.
Signed-off-by: Shobhit Kumar shobhit.ku...@intel.com
---
drivers/gpu/drm/drm_panel.c | 18
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