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Commit 6c46d01f authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/gr/gf100-: insert some WFIs during gr init 



Inserted wait-for-gr-idle in the places it seems that RM does it, seems
to prevent some random mmio timeouts on Quadro GV100.

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent dd3b89be

drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c

+4 −0
Original line number Diff line number Diff line
@@ -1385,6 +1385,8 @@ gf100_grctx_generate_main(struct gf100_gr *gr, struct gf100_grctx *info) 
		gf100_gr_mmio(gr, gr->fuc_sw_ctx);

	}



	gf100_gr_wait_idle(gr);



	idle_timeout = nvkm_mask(device, 0x404154, 0xffffffff, 0x00000000);



	grctx->pagepool(info);
@@ -1396,6 +1398,8 @@ gf100_grctx_generate_main(struct gf100_gr *gr, struct gf100_grctx *info) 


	gf100_grctx_generate_floorsweep(gr);



	gf100_gr_wait_idle(gr);



	if (grctx->r400088) grctx->r400088(gr, false);

	if (gr->fuc_bundle)

		gf100_gr_icmd(gr, gr->fuc_bundle);

drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c

+2 −0
Original line number Diff line number Diff line
@@ -2123,6 +2123,8 @@ gf100_gr_init(struct gf100_gr *gr) 
	else

		gf100_gr_mmio(gr, gr->func->mmio);



	gf100_gr_wait_idle(gr);



	if (gr->func->init_r405a14)

		gr->func->init_r405a14(gr);