Re: [Intel-gfx] [PATCH v10 1/2] drm/i915: Implement WaProgramMgsrForCorrectSliceSpecificMmioReads

2018-04-18 Thread Oscar Mateo
On 4/18/2018 1:23 PM, Yunwei Zhang wrote: WaProgramMgsrForCorrectSliceSpecificMmioReads dictate that before any MMIO read into Slice/Subslice specific registers, MCR packet control register(0xFDC) needs to be programmed to point to any enabled slice/subslice pair. Otherwise, incorrect value

[Intel-gfx] [PATCH v10 1/2] drm/i915: Implement WaProgramMgsrForCorrectSliceSpecificMmioReads

2018-04-18 Thread Yunwei Zhang
WaProgramMgsrForCorrectSliceSpecificMmioReads dictate that before any MMIO read into Slice/Subslice specific registers, MCR packet control register(0xFDC) needs to be programmed to point to any enabled slice/subslice pair. Otherwise, incorrect value will be returned. However, that means each