Saving the highest possible clock from the vpstate domain makes it easier
to read it out whenever we want.

Signed-off-by: Karol Herbst <[email protected]>
Reviewed-by: Martin Peres <[email protected]>
---
 drm/nouveau/include/nvkm/subdev/clk.h | 1 +
 drm/nouveau/nvkm/subdev/clk/base.c    | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drm/nouveau/include/nvkm/subdev/clk.h 
b/drm/nouveau/include/nvkm/subdev/clk.h
index b79bf657..4c225dcb 100644
--- a/drm/nouveau/include/nvkm/subdev/clk.h
+++ b/drm/nouveau/include/nvkm/subdev/clk.h
@@ -115,6 +115,7 @@ struct nvkm_clk {
        u8  boost_mode;
        u32 base_khz;
        u32 boost_khz;
+       u32 max_khz;
 
        /*XXX: die, these are here *only* to support the completely
         *     bat-shit insane what-was-nouveau_hw.c code
diff --git a/drm/nouveau/nvkm/subdev/clk/base.c 
b/drm/nouveau/nvkm/subdev/clk/base.c
index a154a425..0fd92790 100644
--- a/drm/nouveau/nvkm/subdev/clk/base.c
+++ b/drm/nouveau/nvkm/subdev/clk/base.c
@@ -267,6 +267,8 @@ nvkm_cstate_new(struct nvkm_clk *clk, int idx, struct 
nvkm_pstate *pstate)
                        u32 freq = nvkm_clk_adjust(clk, true, pstate->pstate,
                                                   domain->bios, cstepX.freq);
                        cstate->domain[domain->name] = freq;
+                       if (domain->flags & NVKM_CLK_DOM_FLAG_VPSTATE)
+                               clk->max_khz = max(clk->max_khz, freq);
                }
                domain++;
        }
-- 
2.14.1

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