From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 8 May 2018 20:39:46 +1000
Subject: drm/nouveau/gr/gf100-: support firmware-provided sw_ctx everywhere
Git-commit: aedc49fd0ebc2aaca2176aae27f170224b139b15
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c |   14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c
@@ -1239,11 +1239,15 @@ gf100_grctx_generate_main(struct gf100_g
 
 	nvkm_mc_unk260(device, 0);
 
-	gf100_gr_mmio(gr, grctx->hub);
-	gf100_gr_mmio(gr, grctx->gpc);
-	gf100_gr_mmio(gr, grctx->zcull);
-	gf100_gr_mmio(gr, grctx->tpc);
-	gf100_gr_mmio(gr, grctx->ppc);
+	if (!gr->fuc_sw_ctx) {
+		gf100_gr_mmio(gr, grctx->hub);
+		gf100_gr_mmio(gr, grctx->gpc);
+		gf100_gr_mmio(gr, grctx->zcull);
+		gf100_gr_mmio(gr, grctx->tpc);
+		gf100_gr_mmio(gr, grctx->ppc);
+	} else {
+		gf100_gr_mmio(gr, gr->fuc_sw_ctx);
+	}
 
 	idle_timeout = nvkm_mask(device, 0x404154, 0xffffffff, 0x00000000);