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path: root/drivers/gpu/nvgpu/gk20a/clk_gk20a.c
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Diffstat (limited to 'drivers/gpu/nvgpu/gk20a/clk_gk20a.c')
-rw-r--r--drivers/gpu/nvgpu/gk20a/clk_gk20a.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/clk_gk20a.c b/drivers/gpu/nvgpu/gk20a/clk_gk20a.c
index 08e10901..517e8e49 100644
--- a/drivers/gpu/nvgpu/gk20a/clk_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/clk_gk20a.c
@@ -624,7 +624,7 @@ static int gk20a_clk_register_export_ops(struct gk20a *g)
624 return ret; 624 return ret;
625} 625}
626 626
627int gk20a_init_clk_support(struct gk20a *g) 627static int gk20a_init_clk_support(struct gk20a *g)
628{ 628{
629 struct clk_gk20a *clk = &g->clk; 629 struct clk_gk20a *clk = &g->clk;
630 u32 err; 630 u32 err;
@@ -674,6 +674,20 @@ int gk20a_init_clk_support(struct gk20a *g)
674 return err; 674 return err;
675} 675}
676 676
677static int gk20a_suspend_clk_support(struct gk20a *g)
678{
679 int ret;
680
681 clk_disable(g->clk.tegra_clk);
682
683 /* The prev call may not disable PLL if gbus is unbalanced - force it */
684 mutex_lock(&g->clk.clk_mutex);
685 ret = clk_disable_gpcpll(g, 1);
686 g->clk.clk_hw_on = false;
687 mutex_unlock(&g->clk.clk_mutex);
688 return ret;
689}
690
677void gk20a_init_clk_ops(struct gpu_ops *gops) 691void gk20a_init_clk_ops(struct gpu_ops *gops)
678{ 692{
679 gops->clk.init_clk_support = gk20a_init_clk_support; 693 gops->clk.init_clk_support = gk20a_init_clk_support;
@@ -700,20 +714,6 @@ int gk20a_clk_set_rate(struct gk20a *g, unsigned long rate)
700 return clk_set_rate(g->clk.tegra_clk, rate); 714 return clk_set_rate(g->clk.tegra_clk, rate);
701} 715}
702 716
703int gk20a_suspend_clk_support(struct gk20a *g)
704{
705 int ret;
706
707 clk_disable(g->clk.tegra_clk);
708
709 /* The prev call may not disable PLL if gbus is unbalanced - force it */
710 mutex_lock(&g->clk.clk_mutex);
711 ret = clk_disable_gpcpll(g, 1);
712 g->clk.clk_hw_on = false;
713 mutex_unlock(&g->clk.clk_mutex);
714 return ret;
715}
716
717#ifdef CONFIG_DEBUG_FS 717#ifdef CONFIG_DEBUG_FS
718 718
719static int rate_get(void *data, u64 *val) 719static int rate_get(void *data, u64 *val)