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drm/i915/gt: Stop poking at engine->serial at a high level

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In record defaults, if we emit a request we expect a context switck on
parking. We need take no further action, so don't even mess with the low
level engine->serial where it is not warranted.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Acked-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191225230703.2498794-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-12-25 23:07:03 +00:00
parent 41d329e287
commit c2d78a9b73
1 changed files with 3 additions and 4 deletions
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7
drivers/gpu/drm/i915/gt/intel_gt.c
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@ -410,14 +410,13 @@ static int __engines_record_defaults(struct intel_gt *gt)
struct intel_context *ce;
struct i915_request *rq;
/* We must be able to switch to something! */
GEM_BUG_ON(!engine->kernel_context);
err = intel_renderstate_init(&so, engine);
if (err)
goto out;
/* We must be able to switch to something! */
GEM_BUG_ON(!engine->kernel_context);
engine->serial++; /* force the kernel context switch */
ce = intel_context_create(engine);
if (IS_ERR(ce)) {
err = PTR_ERR(ce);