gpu: nvgpu: Move FB MMU query to FB HAL

Move queries of FB MMU configuration to FB HAL. Also use g->ltc_count
instead of reading the number of LTCs from FB. These changes together
remove last direct uses of FB registers from GR.

JIRA NVGPU-714

Change-Id: I1b4b46fc2f636f5c1904e4174040a47a27948999
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1773076
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/hal_gm20b.c b/drivers/gpu/nvgpu/gm20b/hal_gm20b.c
index 798b5f06..02355450 100644
--- a/drivers/gpu/nvgpu/gm20b/hal_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/hal_gm20b.c
@@ -340,6 +340,10 @@ static const struct gpu_ops gm20b_ops = {
                 .set_mmu_page_size = gm20b_fb_set_mmu_page_size,
                 .set_use_full_comp_tag_line =
                         gm20b_fb_set_use_full_comp_tag_line,
+                .mmu_ctrl = gm20b_fb_mmu_ctrl,
+                .mmu_debug_ctrl = gm20b_fb_mmu_debug_ctrl,
+                .mmu_debug_wr = gm20b_fb_mmu_debug_wr,
+                .mmu_debug_rd = gm20b_fb_mmu_debug_rd,
                 .compression_page_size = gm20b_fb_compression_page_size,
                 .compressible_page_size = gm20b_fb_compressible_page_size,
                 .compression_align_mask = gm20b_fb_compression_align_mask,