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Commit 9c56be4c authored Apr 28, 2015 by Alexandre Courbot Committed by Ben Skeggs Jul 27, 2015

drm/nouveau/ibus/gk20a: increase SM wait timeout



Increase clock timeout for SYS, FPB and GPC in order to avoid operation
failure at high gpcclk rate.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

parent a67e14b0

drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -38,6 +38,14 @@ gk20a_ibus_init_priv_ring(struct gk20a_ibus_priv *priv)
		nv_wr32(priv, 0x12004c, 0x4);
		nv_wr32(priv, 0x122204, 0x2);
		nv_rd32(priv, 0x122204);

		/*
		* Bug: increase clock timeout to avoid operation failure at high
		* gpcclk rate.
		*/
		nv_wr32(priv, 0x122354, 0x800);
		nv_wr32(priv, 0x128328, 0x800);
		nv_wr32(priv, 0x124320, 0x800);
		}

		static void