drm/nouveau/clk: allow fb to signal it needs to do a multi-stage reclock
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/subdev/clock/base.c b/drivers/gpu/drm/nouveau/core/subdev/clock/base.c
index e2938a2..dd62bae 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/clock/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/clock/base.c
@@ -182,9 +182,12 @@
clk->pstate = pstatei;
if (pfb->ram->calc) {
- ret = pfb->ram->calc(pfb, pstate->base.domain[nv_clk_src_mem]);
- if (ret == 0)
- ret = pfb->ram->prog(pfb);
+ int khz = pstate->base.domain[nv_clk_src_mem];
+ do {
+ ret = pfb->ram->calc(pfb, khz);
+ if (ret == 0)
+ ret = pfb->ram->prog(pfb);
+ } while (ret > 0);
pfb->ram->tidy(pfb);
}