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authorBen Skeggs <bskeggs@redhat.com>2018-05-16 12:07:32 +1000
committerBen Skeggs <bskeggs@redhat.com>2018-05-18 17:09:35 +1000
commit6c46d01f25bcf74608d09645c27c35c3f3940ebe (patch)
tree83d1a7fc3342b204f41963d2b0a92a20d0d55155 /drivers/gpu/drm/nouveau
parentdd3b89be3eafd1c9977e350e81c5556230319101 (diff)
downloadlinux-6c46d01f25bcf74608d09645c27c35c3f3940ebe.tar.bz2
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: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c4
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c2
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c
index f0f5a518e52a..e813a3f8ea93 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c
@@ -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);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index 8dd4bd71b4fc..70d3d41e616c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -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);