Commit 6871b34a authored by Alexandre Courbot's avatar Alexandre Courbot Committed by Ben Skeggs
Browse files

drm/nouveau/clk/gk20a: set lowest frequency during init() 



Err on the safe side by setting the lowest frequency (and thus voltage)
during device init.

Signed-off-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 2efd3908

drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c

+5 −2
Original line number Diff line number Diff line
@@ -642,9 +642,12 @@ gk20a_clk_init(struct nvkm_clk *base) 
	struct nvkm_device *device = subdev->device;

	int ret;



	nvkm_mask(device, GPC2CLK_OUT, GPC2CLK_OUT_INIT_MASK, GPC2CLK_OUT_INIT_VAL);

	nvkm_mask(device, GPC2CLK_OUT, GPC2CLK_OUT_INIT_MASK,

		  GPC2CLK_OUT_INIT_VAL);



	ret = gk20a_clk_prog(&clk->base);

	/* Start with lowest frequency */

	base->func->calc(base, &base->func->pstates[0].base);

	ret = base->func->prog(&clk->base);

	if (ret) {

		nvkm_error(subdev, "cannot initialize clock\n");

		return ret;

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