Re: [Intel-gfx] [PATCH] drm/i915/cnp: Display Wa #1179: WaHardHangonHotPlug

2017-09-19 Thread Rodrigo Vivi
On Tue, Sep 19, 2017 at 09:57:03PM +, Rodrigo Vivi wrote: > "CNL PCH chance of hang when software accesses south display > registers after hotplug is enabled. > Workaround: Program 0xC2000 bits 11:8 = 0xF before enabling > south display hotplug detection." > > "Workaround only needs to be app

[Intel-gfx] [PATCH] drm/i915/cnp: Display Wa #1179: WaHardHangonHotPlug

2017-09-19 Thread Rodrigo Vivi
"CNL PCH chance of hang when software accesses south display registers after hotplug is enabled. Workaround: Program 0xC2000 bits 11:8 = 0xF before enabling south display hotplug detection." "Workaround only needs to be applied to pre-production steppings used in graphics capable SKUs, but it is e

[Intel-gfx] [PATCH] drm/i915/cnp: Display Wa #1179: WaHardHangonHotPlug

2017-09-19 Thread Rodrigo Vivi
"CNL PCH chance of hang when software accesses south display registers after hotplug is enabled. Workaround: Program 0xC2000 bits 11:8 = 0xF before enabling south display hotplug detection." "Workaround only needs to be applied to pre-production steppings used in graphics capable SKUs, but it is e

Re: [Intel-gfx] [PATCH] drm/i915/cnp: Display Wa #1179: WaHardHangonHotPlug

2017-09-18 Thread Pandiyan, Dhinakaran
On Mon, 2017-09-18 at 16:56 -0700, Rodrigo Vivi wrote: > "CNL PCH chance of hang when software accesses south display > registers after hotplug is enabled. > Workaround: Program 0xC2000 bits 11:8 = 0xF before enabling > south display hotplug detection." > > "Workaround only needs to be applied

[Intel-gfx] [PATCH] drm/i915/cnp: Display Wa #1179: WaHardHangonHotPlug

2017-09-18 Thread Rodrigo Vivi
"CNL PCH chance of hang when software accesses south display registers after hotplug is enabled. Workaround: Program 0xC2000 bits 11:8 = 0xF before enabling south display hotplug detection." "Workaround only needs to be applied to pre-production steppings used in graphics capable SKUs, but it is e