From: Karol Herbst <g...@karolherbst.de>
now the cstatei parameter can be used of the nvkm_cstate_prog function to
select a specific cstate
-1 is a magic value, which will always select the highest currently possible
cstate
Signed-off-by: Karol Herbst <nouv...@karolherbst.de>
---
drm/nouveau/nvkm/subdev/clk/base.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drm/nouveau/nvkm/subdev/clk/base.c
b/drm/nouveau/nvkm/subdev/clk/base.c
index b79644d..7998840 100644
--- a/drm/nouveau/nvkm/subdev/clk/base.c
+++ b/drm/nouveau/nvkm/subdev/clk/base.c
@@ -86,7 +86,15 @@ nvkm_cstate_prog(struct nvkm_clk *clk, struct nvkm_pstate
*pstate, int cstatei)
int ret;
if (!list_empty(&pstate->list)) {
- cstate = list_entry(pstate->list.prev, typeof(*cstate), head);
+ if (cstatei == -1)
+ cstate = list_entry(pstate->list.prev, typeof(*cstate),
+ head);
+ else {
+ list_for_each_entry(cstate, &pstate->list, head) {
+ if (cstate->cstate == cstatei)
+ break;
+ }
+ }
} else {
cstate = &pstate->base;
}
@@ -223,7 +231,7 @@ nvkm_pstate_prog(struct nvkm_clk *clk, int pstatei)
ram->func->tidy(ram);
}
- return nvkm_cstate_prog(clk, pstate, 0);
+ return nvkm_cstate_prog(clk, pstate, -1);
}
static void
--
2.7.3
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