Re: [Intel-gfx] [PATCH v4 3/5] drm/i915/guc: Implement dynamic WOPCM partitioning

2017-12-15 Thread Yaodong Li
On 12/15/2017 02:21 AM, Joonas Lahtinen wrote: On Thu, 2017-12-14 at 20:55 -0800, Yaodong Li wrote: On 12/14/2017 03:43 AM, Joonas Lahtinen wrote: On Wed, 2017-12-13 at 14:59 -0800, Yaodong Li wrote: On 12/13/2017 01:34 PM, Michal Wajdeczko wrote: On Wed, 13 Dec 2017 19:19:06 +0100, Yaodong L

Re: [Intel-gfx] [PATCH v4 3/5] drm/i915/guc: Implement dynamic WOPCM partitioning

2017-12-15 Thread Joonas Lahtinen
On Thu, 2017-12-14 at 20:55 -0800, Yaodong Li wrote: > On 12/14/2017 03:43 AM, Joonas Lahtinen wrote: > > On Wed, 2017-12-13 at 14:59 -0800, Yaodong Li wrote: > > > On 12/13/2017 01:34 PM, Michal Wajdeczko wrote: > > > > On Wed, 13 Dec 2017 19:19:06 +0100, Yaodong Li > > > > wrote: > > > > > > >

Re: [Intel-gfx] [PATCH v4 3/5] drm/i915/guc: Implement dynamic WOPCM partitioning

2017-12-14 Thread Yaodong Li
On 12/14/2017 03:43 AM, Joonas Lahtinen wrote: On Wed, 2017-12-13 at 14:59 -0800, Yaodong Li wrote: On 12/13/2017 01:34 PM, Michal Wajdeczko wrote: On Wed, 13 Dec 2017 19:19:06 +0100, Yaodong Li wrote: On 12/13/2017 01:11 AM, Joonas Lahtinen wrote: On Tue, 2017-12-12 at 14:56 -0800, Jackie

Re: [Intel-gfx] [PATCH v4 3/5] drm/i915/guc: Implement dynamic WOPCM partitioning

2017-12-14 Thread Joonas Lahtinen
On Wed, 2017-12-13 at 14:59 -0800, Yaodong Li wrote: > On 12/13/2017 01:34 PM, Michal Wajdeczko wrote: > > On Wed, 13 Dec 2017 19:19:06 +0100, Yaodong Li > > wrote: > > > > > On 12/13/2017 01:11 AM, Joonas Lahtinen wrote: > > > > On Tue, 2017-12-12 at 14:56 -0800, Jackie Li wrote: > > > > > Hard

Re: [Intel-gfx] [PATCH v4 3/5] drm/i915/guc: Implement dynamic WOPCM partitioning

2017-12-13 Thread Yaodong Li
On 12/13/2017 01:34 PM, Michal Wajdeczko wrote: On Wed, 13 Dec 2017 19:19:06 +0100, Yaodong Li wrote: On 12/13/2017 01:11 AM, Joonas Lahtinen wrote: On Tue, 2017-12-12 at 14:56 -0800, Jackie Li wrote: Hardware may have specific restrictions on GuC WOPCM partition size versus HuC firmware si

Re: [Intel-gfx] [PATCH v4 3/5] drm/i915/guc: Implement dynamic WOPCM partitioning

2017-12-13 Thread Michal Wajdeczko
On Wed, 13 Dec 2017 19:19:06 +0100, Yaodong Li wrote: On 12/13/2017 01:11 AM, Joonas Lahtinen wrote: On Tue, 2017-12-12 at 14:56 -0800, Jackie Li wrote: Hardware may have specific restrictions on GuC WOPCM partition size versus HuC firmware size. With static WOPCM partitioning, there's no w

Re: [Intel-gfx] [PATCH v4 3/5] drm/i915/guc: Implement dynamic WOPCM partitioning

2017-12-13 Thread Yaodong Li
On 12/13/2017 01:11 AM, Joonas Lahtinen wrote: On Tue, 2017-12-12 at 14:56 -0800, Jackie Li wrote: Hardware may have specific restrictions on GuC WOPCM partition size versus HuC firmware size. With static WOPCM partitioning, there's no way to adjust the GuC WOPCM partition size based on the actu

Re: [Intel-gfx] [PATCH v4 3/5] drm/i915/guc: Implement dynamic WOPCM partitioning

2017-12-13 Thread Joonas Lahtinen
On Tue, 2017-12-12 at 14:56 -0800, Jackie Li wrote: > Hardware may have specific restrictions on GuC WOPCM partition > size versus HuC firmware size. With static WOPCM partitioning, > there's no way to adjust the GuC WOPCM partition size based on > the actual HuC firmware size, so that GuC/HuC load

[Intel-gfx] [PATCH v4 3/5] drm/i915/guc: Implement dynamic WOPCM partitioning

2017-12-12 Thread Jackie Li
Hardware may have specific restrictions on GuC WOPCM partition size versus HuC firmware size. With static WOPCM partitioning, 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