gpu: nvgpu: add support for FECS VA

- On t186, ucode expects physical address to be
programmed for FECS trace buffer.
- On t194, ucode expects GPU VA to be programmed
for FECS trace buffer. This patch adds extra
support to handle this change for linux native.
- Increase the size of FECS trace buffer (as few
entries were getting dropped due to overflow of
FECS trace buffer.)
- This moves FECS trace buffer handling in global
context buffer.
- This adds extra check for updation of mailbox1
register. (Bug 200417403)

EVLR-2077

Change-Id: I7c3324ce9341976a1375e0afe6c53c424a053723
Signed-off-by: Vaibhav Kachore <vkachore@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1536028
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Nirav Patel <nipatel@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 14 insertions, 13 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/hal_gv11b.c b/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
index f9ac1f2a..9d7dca95 100644
--- a/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/hal_gv11b.c
@@ -586,20 +586,20 @@ static const struct gpu_ops gv11b_ops = {
         },
 #ifdef CONFIG_GK20A_CTXSW_TRACE
         .fecs_trace = {
-                .alloc_user_buffer = NULL,
-                .free_user_buffer = NULL,
-                .mmap_user_buffer = NULL,
-                .init = NULL,
-                .deinit = NULL,
-                .enable = NULL,
-                .disable = NULL,
-                .is_enabled = NULL,
-                .reset = NULL,
+                .alloc_user_buffer = gk20a_ctxsw_dev_ring_alloc,
+                .free_user_buffer = gk20a_ctxsw_dev_ring_free,
+                .mmap_user_buffer = gk20a_ctxsw_dev_mmap_buffer,
+                .init = gk20a_fecs_trace_init,
+                .deinit = gk20a_fecs_trace_deinit,
+                .enable = gk20a_fecs_trace_enable,
+                .disable = gk20a_fecs_trace_disable,
+                .is_enabled = gk20a_fecs_trace_is_enabled,
+                .reset = gk20a_fecs_trace_reset,
                 .flush = NULL,
-                .poll = NULL,
-                .bind_channel = NULL,
-                .unbind_channel = NULL,
-                .max_entries = NULL,
+                .poll = gk20a_fecs_trace_poll,
+                .bind_channel = gk20a_fecs_trace_bind_channel,
+                .unbind_channel = gk20a_fecs_trace_unbind_channel,
+                .max_entries = gk20a_gr_max_entries,
         },
 #endif /* CONFIG_GK20A_CTXSW_TRACE */
         .mm = {
@@ -843,6 +843,7 @@ int gv11b_init_hal(struct gk20a *g)
         }
 
         __nvgpu_set_enabled(g, NVGPU_PMU_FECS_BOOTSTRAP_DONE, false);
+        __nvgpu_set_enabled(g, NVGPU_FECS_TRACE_VA, true);
         g->bootstrap_owner = LSF_BOOTSTRAP_OWNER_DEFAULT;
 
         __nvgpu_set_enabled(g, NVGPU_SUPPORT_MULTIPLE_WPR, false);