[Nouveau] [PATCH 2/2] clk: allow engine reclock on fermi

Karol Herbst nouveau at karolherbst.de
Wed Jan 13 04:25:45 PST 2016


this gives me on my 630M fermi card some speed improvements while on 0f:

pixmark_piano: ~800ms to ~500ms frame time
unigine_heaven (lowest setting, fullhd): 5.1 fps to 6.4 fps)

clocks for this gpu:
07: 270 MHz
0f: 475 MHz

Signed-off-by: Karol Herbst <nouveau at karolherbst.de>
---
 drm/nouveau/nvkm/subdev/clk/gf100.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drm/nouveau/nvkm/subdev/clk/gf100.c b/drm/nouveau/nvkm/subdev/clk/gf100.c
index ad93350..2ce902f 100644
--- a/drm/nouveau/nvkm/subdev/clk/gf100.c
+++ b/drm/nouveau/nvkm/subdev/clk/gf100.c
@@ -535,6 +535,6 @@ gf100_clk_new(struct nvkm_device *device, int index, struct nvkm_clk **pclk)
 		return -ENOMEM;
 	*pclk = &clk->base;
 
-	return nvkm_clk_ctor(&gf100_clk, device, index, false, false,
+	return nvkm_clk_ctor(&gf100_clk, device, index, true, false,
 			     &clk->base);
 }
-- 
2.7.0



More information about the Nouveau mailing list