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| author | Karol Herbst <nouveau@karolherbst.de> | 2015-09-15 18:49:32 +0200 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2016-01-11 11:30:23 +1000 |
| commit | f68f4c960a3f39bf1ca30313f690486361639745 (patch) | |
| tree | 0e90f604a6b50fe0d9a1ed897bc6c0f8d6abe417 | |
| parent | d3b378c09c7b81e9005c2118343f8b7feeaaca8b (diff) | |
| download | lwn-f68f4c960a3f39bf1ca30313f690486361639745.tar.gz lwn-f68f4c960a3f39bf1ca30313f690486361639745.zip | |
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>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c index c769aff04531..889cce2eb727 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c @@ -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 { |