Re: [Intel-gfx] [PATCH v7 3/6] drm/i915/guc: Implement dynamic GuC WOPCM offset and size

2018-02-01 Thread Sagar Arun Kamble
On 2/2/2018 3:21 AM, Yaodong Li wrote: On 02/01/2018 12:38 AM, Sagar Arun Kamble wrote: On 1/19/2018 6:59 AM, Jackie Li wrote: Hardware may have specific restrictions on GuC WOPCM size It would be good if you can tell about Gen9/CNL restriction briefly here. versus HuC firmware size.

Re: [Intel-gfx] [PATCH v7 3/6] drm/i915/guc: Implement dynamic GuC WOPCM offset and size

2018-02-01 Thread Yaodong Li
On 02/01/2018 12:38 AM, Sagar Arun Kamble wrote: On 1/19/2018 6:59 AM, Jackie Li wrote: Hardware may have specific restrictions on GuC WOPCM size It would be good if you can tell about Gen9/CNL restriction briefly here. versus HuC firmware size. With static GuC WOPCM size, there's no way

Re: [Intel-gfx] [PATCH v7 3/6] drm/i915/guc: Implement dynamic GuC WOPCM offset and size

2018-02-01 Thread Sagar Arun Kamble
On 1/19/2018 6:59 AM, Jackie Li wrote: Hardware may have specific restrictions on GuC WOPCM size It would be good if you can tell about Gen9/CNL restriction briefly here. versus HuC firmware size. With static GuC WOPCM size, there's no way to adjust the GuC WOPCM partition size based on the

[Intel-gfx] [PATCH v7 3/6] drm/i915/guc: Implement dynamic GuC WOPCM offset and size

2018-01-18 Thread Jackie Li
Hardware may have specific restrictions on GuC WOPCM size versus HuC firmware size. With static GuC WOPCM size, there's no way to adjust the GuC WOPCM partition size based on the actual HuC firmware size, so that GuC/HuC loading failure would occur even if there was enough WOPCM space for both GuC