From 0c0d6ba4880f841e26183c26637e54d7a7a9a4dc Mon Sep 17 00:00:00 2001 From: Sami Kiminki Date: Thu, 1 Feb 2018 20:51:33 +0200 Subject: gpu: nvgpu: gv11b: disable SWDX spill buffer invalidates Disable SWDX spill buffer invalidates as is required by HW. Since this register is context-switched, add these in the GR init sequence. Bug 2040262 Change-Id: I0be10d12516bce6ce6f8fb0e8af5b67f8af92257 Signed-off-by: Sami Kiminki Reviewed-on: https://git-master.nvidia.com/r/1650563 Reviewed-by: Alex Waterman Reviewed-by: Terje Bergstrom GVS: Gerrit_Virtual_Submit Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/gv11b/gr_gv11b.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/gpu/nvgpu/gv11b/gr_gv11b.c') diff --git a/drivers/gpu/nvgpu/gv11b/gr_gv11b.c b/drivers/gpu/nvgpu/gv11b/gr_gv11b.c index 67bd4b88..46f5ffb5 100644 --- a/drivers/gpu/nvgpu/gv11b/gr_gv11b.c +++ b/drivers/gpu/nvgpu/gv11b/gr_gv11b.c @@ -2777,6 +2777,13 @@ int gr_gv11b_init_fs_state(struct gk20a *g) g->gr.fecs_feature_override_ecc_val); } + /* Disable SWDX spill buffer invalidates */ + data = gk20a_readl(g, gr_gpcs_swdx_spill_unit_r()); + data = set_field( + data, gr_gpcs_swdx_spill_unit_spill_buffer_cache_mgmt_mode_m(), + gr_gpcs_swdx_spill_unit_spill_buffer_cache_mgmt_mode_disabled_f()); + gk20a_writel(g, gr_gpcs_swdx_spill_unit_r(), data); + err = gr_gk20a_init_fs_state(g); if (err) return err; -- cgit v1.2.2