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drm/nouveau/clk: allow fb to signal it needs to do a multi-stage reclock
author
Ben Skeggs
<bskeggs@redhat.com>
Mon, 2 Dec 2013 22:25:04 +0000
(08:25 +1000)
committer
Ben Skeggs
<bskeggs@redhat.com>
Thu, 23 Jan 2014 03:38:59 +0000
(13:38 +1000)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/core/subdev/clock/base.c
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diff --git
a/drivers/gpu/drm/nouveau/core/subdev/clock/base.c
b/drivers/gpu/drm/nouveau/core/subdev/clock/base.c
index e2938a21b06fe8a7ac255e9abe106ce1533dc448..dd62baead39c54c9a906939576553b59bf9355a2 100644
(file)
--- a/
drivers/gpu/drm/nouveau/core/subdev/clock/base.c
+++ b/
drivers/gpu/drm/nouveau/core/subdev/clock/base.c
@@
-182,9
+182,12
@@
nouveau_pstate_prog(struct nouveau_clock *clk, int pstatei)
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);
}