Commit 485a20ef authored Nov 17, 2016 by Alexandre Courbot Committed by Ben Skeggs Mar 07, 2017

drm/nouveau/pmu: make sure the reset hook exists before running it



Some PMU implementations (in particular the ones managed by secure
boot) may not have a reset() hook. Make sure we don't crash in that
case.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

parent ba735d06

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -85,6 +85,7 @@ nvkm_pmu_reset(struct nvkm_pmu *pmu)
		);

		/* Reset. */
		if (pmu->func->reset)
		pmu->func->reset(pmu);

		/* Wait for IMEM/DMEM scrubbing to be complete. */

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