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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>
hifive-unleashed-5.1
Ben Skeggs 2018-05-16 12:07:32 +10:00
parent dd3b89be3e
commit 6c46d01f25
2 changed files with 6 additions and 0 deletions
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4
drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c
View File

@ -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);

2
drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
View File

@ -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);