Commit a08c8bae authored by Alexandre Courbot's avatar Alexandre Courbot Committed by Ben Skeggs
Browse files

drm/nouveau/clk/gk20a: only compute n_lo if needed 



n_lo is used if we are going to slide. Compute it only if that condition
succeeds to avoid confusion about future usage of this computation.

Signed-off-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 3a91b9c5

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

+5 −3
Original line number Diff line number Diff line
@@ -367,10 +367,12 @@ _gk20a_pllg_program_mnp(struct gk20a_clk *clk, bool allow_slide) 
	}



	/* slide down to NDIV_LO */

	if (allow_slide && (cfg & GPCPLL_CFG_ENABLE)) {

		int ret;



		n_lo = DIV_ROUND_UP(m_old * clk->params->min_vco,

				    clk->parent_rate / KHZ);

	if (allow_slide && (cfg & GPCPLL_CFG_ENABLE)) {

		int ret = gk20a_pllg_slide(clk, n_lo);

		ret = gk20a_pllg_slide(clk, n_lo);



		if (ret)

			return ret;

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