From ca3215c6b23c7d855ced899d8090aaa8ce9a9fa3 Mon Sep 17 00:00:00 2001 From: Vaibhav Kachore Date: Thu, 22 Feb 2018 16:45:30 +0530 Subject: 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 Reviewed-on: https://git-master.nvidia.com/r/1536028 Reviewed-by: svc-mobile-coverity Reviewed-by: Terje Bergstrom GVS: Gerrit_Virtual_Submit Reviewed-by: Nirav Patel Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/gp106/hal_gp106.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/nvgpu/gp106/hal_gp106.c') diff --git a/drivers/gpu/nvgpu/gp106/hal_gp106.c b/drivers/gpu/nvgpu/gp106/hal_gp106.c index 61c6cb0f..632f1063 100644 --- a/drivers/gpu/nvgpu/gp106/hal_gp106.c +++ b/drivers/gpu/nvgpu/gp106/hal_gp106.c @@ -834,6 +834,7 @@ int gp106_init_hal(struct gk20a *g) __nvgpu_set_enabled(g, NVGPU_PMU_PSTATE, true); __nvgpu_set_enabled(g, NVGPU_PMU_FECS_BOOTSTRAP_DONE, false); __nvgpu_set_enabled(g, NVGPU_SUPPORT_MULTIPLE_WPR, false); + __nvgpu_set_enabled(g, NVGPU_FECS_TRACE_VA, false); /* Read fuses to check if gpu needs to boot in secure/non-secure mode */ if (gops->fuse.check_priv_security(g)) -- cgit v1.2.2