Re: [Intel-gfx] [PATCH 3/7] drm/i915/skl: Refuse to load outdated dmc firmware

2015-10-22 Thread Chris Wilson
On Thu, Oct 22, 2015 at 02:48:31PM +0100, Chris Wilson wrote: > On Thu, Oct 22, 2015 at 04:31:01PM +0300, Mika Kuoppala wrote: > > There is known issue on GT interrupt delivery with DC6 and > > firmwares <1.21. There is a suspicion that this causes > > spurious gpu hangs on driver init and with som

Re: [Intel-gfx] [PATCH 3/7] drm/i915/skl: Refuse to load outdated dmc firmware

2015-10-22 Thread Chris Wilson
On Thu, Oct 22, 2015 at 04:31:01PM +0300, Mika Kuoppala wrote: > There is known issue on GT interrupt delivery with DC6 and > firmwares <1.21. There is a suspicion that this causes > spurious gpu hangs on driver init and with some workloads, > as upgrading the firmware to 1.21 makes these problems

[Intel-gfx] [PATCH 3/7] drm/i915/skl: Refuse to load outdated dmc firmware

2015-10-22 Thread Mika Kuoppala
There is known issue on GT interrupt delivery with DC6 and firmwares <1.21. There is a suspicion that this causes spurious gpu hangs on driver init and with some workloads, as upgrading the firmware to 1.21 makes these problems disappear. As of now the current version included in distribution firm

Re: [Intel-gfx] [PATCH 3/7] drm/i915/skl: Refuse to load outdated dmc firmware

2015-10-21 Thread Chris Wilson
On Wed, Oct 21, 2015 at 06:41:48PM +0300, Mika Kuoppala wrote: > There is known issue on GT interrupt delivery with DC6 and > firmwares <1.21. There is a suspicion that this causes > spurious gpu hangs on driver init and with some workloads, > as upgrading the firmware to 1.21 makes these problems

[Intel-gfx] [PATCH 3/7] drm/i915/skl: Refuse to load outdated dmc firmware

2015-10-21 Thread Mika Kuoppala
There is known issue on GT interrupt delivery with DC6 and firmwares <1.21. There is a suspicion that this causes spurious gpu hangs on driver init and with some workloads, as upgrading the firmware to 1.21 makes these problems disappear. As of now the current version included in distribution firm