drm/nouveau/clk/gk20a: reorganize variables in gk20a_pllg_calc_mnp()

Move some variables declarations to the scope where they are actually
used to make the code easier to follow.

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

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c
index eaf7939..0c2b078 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c
@@ -153,11 +153,9 @@ gk20a_pllg_calc_mnp(struct gk20a_clk *clk, unsigned long rate)
        u32 target_clk_f, ref_clk_f, target_freq;
        u32 min_vco_f, max_vco_f;
        u32 low_pl, high_pl, best_pl;
-       u32 target_vco_f, vco_f;
+       u32 target_vco_f;
        u32 best_m, best_n;
-       u32 u_f;
-       u32 m, n, n2;
-       u32 delta, lwv, best_delta = ~0;
+       u32 best_delta = ~0;
        u32 pl;
 
        target_clk_f = rate * 2 / KHZ;
@@ -202,8 +200,12 @@ gk20a_pllg_calc_mnp(struct gk20a_clk *clk, unsigned long rate)
 
        /* Select lowest possible VCO */
        for (pl = low_pl; pl <= high_pl; pl++) {
+               u32 m, n, n2;
+
                target_vco_f = target_clk_f * pl_to_div[pl];
                for (m = clk->params->min_m; m <= clk->params->max_m; m++) {
+                       u32 u_f, vco_f;
+
                        u_f = ref_clk_f / m;
 
                        if (u_f < clk->params->min_u)
@@ -226,6 +228,8 @@ gk20a_pllg_calc_mnp(struct gk20a_clk *clk, unsigned long rate)
                                vco_f = ref_clk_f * n / m;
 
                                if (vco_f >= min_vco_f && vco_f <= max_vco_f) {
+                                       u32 delta, lwv;
+
                                        lwv = (vco_f + (pl_to_div[pl] / 2))
                                                / pl_to_div[pl];
                                        delta = abs(lwv - target_clk_f);