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

2018-03-23 Thread Mika Kuoppala
Hi, Yunwei Zhang writes: > 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,

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

2018-03-22 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

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

2018-03-22 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

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

2018-03-19 Thread Chris Wilson
Quoting Yunwei Zhang (2018-03-19 21:50:07) > 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

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

2018-03-19 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

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

2018-03-14 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