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drm/nouveau/perf: change pcie speed on pstate change 

v2: remove error and only set link for pcie devices
v6: remove check for pcie device

Signed-off-by: Karol Herbst <nouveau@karolherbst.de>
This commit is contained in:
Karol Herbst 2015-09-15 18:49:32 +02:00 committed by Ben Skeggs
parent d3b378c09c
commit f68f4c960a
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c
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@ -176,6 +176,7 @@ nvkm_pstate_prog(struct nvkm_clk *clk, int pstatei)
{
struct nvkm_subdev *subdev = &clk->subdev;
struct nvkm_ram *ram = subdev->device->fb->ram;
struct nvkm_pci *pci = subdev->device->pci;
struct nvkm_pstate *pstate;
int ret, idx = 0;
@ -187,6 +188,8 @@ nvkm_pstate_prog(struct nvkm_clk *clk, int pstatei)
nvkm_debug(subdev, "setting performance state %d\n", pstatei);
clk->pstate = pstatei;
nvkm_pcie_set_link(pci, pstate->pcie_speed, pstate->pcie_width);
if (ram && ram->func->calc) {
int khz = pstate->base.domain[nv_clk_src_mem];
do {