Re: [Nouveau] [PATCH] drm/nouveau: Add support for clockgating on Fermi+

2017-04-25 Thread Karol Herbst
Hi Lyude, thanks for the great work. Just a view comments inline. 2017-04-25 20:38 GMT+02:00 Lyude : > This adds support for enabling automatic clockgating on nvidia GPUs for > Fermi and later generations. This saves a little bit of power, bringing > my fermi GPU's power

Re: [Nouveau] [PATCH] drm/nouveau: Add support for clockgating on Fermi+

2017-04-25 Thread Ben Skeggs
On 04/26/2017 06:42 AM, Roy Spliet wrote: Thanks for the work so far. A quick scan through the first NVC4 trace at hand, using upstream demmio, reveals at least 20 writes to the BLCG registers of PGRAPH and a few in PXBAR prior to altering the value of register 0x20200 (see below). We know that

Re: [Nouveau] [PATCH] drm/nouveau: Add support for clockgating on Fermi+

2017-04-25 Thread Roy Spliet
Thanks for the work so far. A quick scan through the first NVC4 trace at hand, using upstream demmio, reveals at least 20 writes to the BLCG registers of PGRAPH and a few in PXBAR prior to altering the value of register 0x20200 (see below). We know that these are related to the clock gating

[Nouveau] [PATCH] drm/nouveau: Add support for clockgating on Fermi+

2017-04-25 Thread Lyude
This adds support for enabling automatic clockgating on nvidia GPUs for Fermi and later generations. This saves a little bit of power, bringing my fermi GPU's power consumption from ~28.3W on idle to ~27W, and my kepler's idle power consumption from ~23.6W to ~21.65W. Similar to how the nvidia

Re: [Nouveau] xfree86: use modesetting driver by default on GeForce 8 and newer - Fedora

2017-04-25 Thread Ben Skeggs
On 04/25/2017 03:59 PM, poma wrote: Hello Default to xf86-video-modesetting on GeForce 8 and newer. https://src.fedoraproject.org/cgit/rpms/xorg-x11-server.git/commit/?id=de1c849ff18b41f53d003bb70bf8b1744b749af8 This is thrown onto users downstream, without any further explanation, why

[Nouveau] xfree86: use modesetting driver by default on GeForce 8 and newer - Fedora

2017-04-25 Thread poma
Hello Default to xf86-video-modesetting on GeForce 8 and newer. https://src.fedoraproject.org/cgit/rpms/xorg-x11-server.git/commit/?id=de1c849ff18b41f53d003bb70bf8b1744b749af8 This is thrown onto users downstream, without any further explanation, why modesetting is preferred for GeForce 8. Is