Re: [Intel-gfx] Disable power management on i915

: Sanchez, AdolfoX ; intel-gfx@lists.freedesktop.org Subject: Re: [Intel-gfx] Disable power management on i915 On ma, 2016-08-01 at 20:08 +, Sanchez, AdolfoX wrote: > Hello. >   > I would like to know what is the best way to disable power management > on the GPU unit, the purpose is

[Intel-gfx] Disable power management on i915

Hello. I would like to know what is the best way to disable power management on the GPU unit, the purpose is to avoid GPU power transitions to avoid voltage swings. Additional information: Platform: Bay Trail J1900 O.S: Linux Kernel 4.4 Any help would be appreciated. Best Regards, Adolfo Sanch

[Intel-gfx] eDP hot plug support on i915 driver

Hello Is the eDP hotplugging capability supported by default by the intel graphic driver, or is it necessary any special configuration? Best Regards, Adolfo Sanchez ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.or

Re: [Intel-gfx] force DP lane count on Broadwell platform

same for the pre-OS stage. Best Regards, Adolfo Sanchez -Original Message- From: Jani Nikula [mailto:jani.nik...@linux.intel.com] Sent: Wednesday, May 18, 2016 12:38 AM To: Sanchez, AdolfoX ; intel-gfx@lists.freedesktop.org Subject: Re: [Intel-gfx] force DP lane count on Broadwell platform

[Intel-gfx] force DP lane count on Broadwell platform

Hello What PRM registers should be modified to force the source lanes to report 2 lanes maximum? Is it enough to modify the registers DP_TP_CTL and DDI_BUF_CTL, or should any other register be modified? Best Regards, Adolfo Sanchez. ___ Intel-gfx mail

[Intel-gfx] DPIO Sideband Registers

Hello I'm looking for information about the Sideband registers of the DPIO interface, but I have not being able to find it on the PRMs? Can anyone here provide some guidance about this? Also is there any documentation about the DPIO_CFG register? The source code mentions a file calle VLV2_Sideba

[Intel-gfx] Information about Intel_GPU_TOP tool

Hello I would like to have more information about the Intel_GPU_TOP tool I have not been able to find much information, but I did found that it is part of the intel-gpu-tools. The system is using Skylake H i7-6700TE I have the following questions 1) Is there a glossary of terms used by

Re: [Intel-gfx] Information about Intel_GPU_TOP tool

Thanks for your suggestion I will take a look at this tool. Regards, Adolfo From: Martinez Rodriguez, Sergio Sent: Friday, March 18, 2016 10:32 AM To: intel-gfx@lists.freedesktop.org Cc: Sanchez, AdolfoX ; Bragg, Robert Subject: RE: Information about Intel_GPU_TOP tool Hi Adolfo! We are

Re: [Intel-gfx] HDMI hotplug fails when using VT or boot on text mode

mode udevadmin monitor shows both kernel and udev events (plugging and unplugging), is there anything else that we should check when on text mode? Best Regards, Adolfo Sanchez -Original Message- From: Sanchez, AdolfoX Sent: Tuesday, November 10, 2015 9:08 AM To: 'Jani Nikula&#

Re: [Intel-gfx] HDMI hotplug fails when using VT or boot on text mode

Nikula [mailto:jani.nik...@linux.intel.com] Sent: Tuesday, November 10, 2015 7:54 AM To: Sanchez, AdolfoX; intel-gfx@lists.freedesktop.org Subject: Re: [Intel-gfx] HDMI hotplug fails when using VT or boot on text mode On Tue, 10 Nov 2015, "Sanchez, AdolfoX" wrote: > When using i915

[Intel-gfx] HDMI hotplug fails when using VT or boot on text mode

When using i915 O.S. Ubuntu 15.10 Pltaform: Bay Trail I Issue: When the O.S. is on Virtual Terminal or Text Mode it doesn't detect when connecting HDMI display, the issue is not present on graphic mode. Is this expected behavior? Best Regards, Adolfo. ___

Re: [Intel-gfx] VBIOS doesn't recognize the eDP port on Baytrail-I

dolfo. From: Lim, Siew Hoon Sent: Sunday, May 10, 2015 8:56 PM To: Sanchez, AdolfoX; intel-gfx@lists.freedesktop.org Subject: RE: VBIOS doesn't recognize the eDP port on Baytrail-I Hi Adolfo, Have you try with EMGD driver with EMGD VBIOS? For EMGD VBIOS issue, you can contact to Park, Phili

[Intel-gfx] VBIOS doesn't recognize the eDP port on Baytrail-I

Which VBIOS should be used with the Baytrail-I when trying to configure two local flat panels as eDP The EMGD VBIOS creates a device_type 0x1004 and the i915 drivers looks for a device_type=0x1806 so it seems that the EMGD VBIOS should not be used with the Open Source Graphic drivers. The O.S.

[Intel-gfx] HDMI audio bug will affects Broadwell and Skylake

Hello I would like to know if this bug: https://bugzilla.kernel.org/show_bug.cgi?id=60769also affects Broadwell and Skylake platforms Best Regards, Adolfo Sanchez ___ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org

[Intel-gfx] Sandy Bridge GPU hangs after mode switch

Hello here are some details about the problem. -Operative System: QNX -Symptoms: Aproximately 1 out of 200 video mode switches will cause the CPU to hang during the next 30-60 VSYNC signals after the mode switches.After hang up most motherboards switch power off after 5-10 seconds. The mode sw