Re: [Intel-gfx] [PATCH v4 3/6] drm/i915/guc: refactor doorbell management code

2016-04-12 Thread Dave Gordon
On 07/04/16 22:26, Yu Dai wrote: On 04/07/2016 10:21 AM, Dave Gordon wrote: During a hibernate/resume cycle, the driver, the GuC, and the doorbell hardware can end up in inconsistent states. This patch refactors the driver's handling and tracking of doorbells, in preparation for a later one whi

Re: [Intel-gfx] [PATCH v4 3/6] drm/i915/guc: refactor doorbell management code

2016-04-07 Thread Yu Dai
On 04/07/2016 10:21 AM, Dave Gordon wrote: During a hibernate/resume cycle, the driver, the GuC, and the doorbell hardware can end up in inconsistent states. This patch refactors the driver's handling and tracking of doorbells, in preparation for a later one which will resolve the issue. Signe

[Intel-gfx] [PATCH v4 3/6] drm/i915/guc: refactor doorbell management code

2016-04-07 Thread Dave Gordon
During a hibernate/resume cycle, the driver, the GuC, and the doorbell hardware can end up in inconsistent states. This patch refactors the driver's handling and tracking of doorbells, in preparation for a later one which will resolve the issue. Signed-off-by: Dave Gordon --- drivers/gpu/drm/i91