gpu: nvgpu: gv11b: fbhub: num_ltcs are read only

In gv11b fbhub num_ltcs is read only, even though
register spec says it is rw. The number of ltcs
are populated by hw and no need for sw to set those
values.

GPUT19X-70

Change-Id: Ib9861894cacb70cf54b4958083e55d39a3a85e19
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1497992
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/fb_gv11b.c b/drivers/gpu/nvgpu/gv11b/fb_gv11b.c
index 7698d968..21d8cba3 100644
--- a/drivers/gpu/nvgpu/gv11b/fb_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/fb_gv11b.c
@@ -67,12 +67,9 @@ static void gv11b_fb_init_fs_state(struct gk20a *g)
 {
         nvgpu_log(g, gpu_dbg_fn, "initialize gv11b fb");
 
-        nvgpu_log(g, gpu_dbg_info, "fbhub active ltcs %u",
+        nvgpu_log(g, gpu_dbg_info, "fbhub active ltcs %x",
                         gk20a_readl(g, fb_fbhub_num_active_ltcs_r()));
 
-        gk20a_writel(g, fb_mmu_num_active_ltcs_r(),
-                        fb_mmu_num_active_ltcs_count_f(g->ltc_count));
-
         nvgpu_log(g, gpu_dbg_info, "mmu active ltcs %u",
                         fb_mmu_num_active_ltcs_count_v(
                         gk20a_readl(g, fb_mmu_num_active_ltcs_r())));