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drm/i915: Move engine reset prepare/finish to backends

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In preparation to more carefully handling incomplete preemption during
reset by execlists, we move the existing code wholesale to the backends
under a couple of new reset vfuncs.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michał Winiarski <michal.winiarski@intel.com>
CC: Michel Thierry <michel.thierry@intel.com>
Cc: Jeff McGee <jeff.mcgee@intel.com>
Reviewed-by: Jeff McGee <jeff.mcgee@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180516183355.10553-4-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2018-05-16 19:33:51 +01:00
parent ef2fb72046
commit 5adfb772f8
4 changed files with 76 additions and 41 deletions
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9
drivers/gpu/drm/i915/intel_ringbuffer.h
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@@ -423,8 +423,13 @@ struct intel_engine_cs {
void (*irq_disable)(struct intel_engine_cs *engine);
int (*init_hw)(struct intel_engine_cs *engine);
void (*reset_hw)(struct intel_engine_cs *engine,
struct i915_request *rq);
struct {
struct i915_request *(*prepare)(struct intel_engine_cs *engine);
void (*reset)(struct intel_engine_cs *engine,
struct i915_request *rq);
void (*finish)(struct intel_engine_cs *engine);
} reset;
void (*park)(struct intel_engine_cs *engine);
void (*unpark)(struct intel_engine_cs *engine);