gpu: nvgpu: add cache maintenance timeout override

Add functions to get per-chip cache maintenance timeout overrides.

JIRA: NVGPUGV100-GV100

Change-Id: Ie14efc616e7af52ede60031c789bd2ae70857a6e
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1582768
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/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index c04c97ca..92bcb618 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -137,6 +137,7 @@ enum gk20a_cbc_op {
 
 enum nvgpu_unit;
 
+enum nvgpu_flush_op;
 /*
  * gpu_ops should only contain function pointers! Non-function pointer members
  * should go in struct gk20a or be implemented with the boolean flag API defined
@@ -569,6 +570,7 @@ struct gpu_ops {
                                                 struct tsg_gk20a *tsg);
                 void (*deinit_eng_method_buffers)(struct gk20a *g,
                                                 struct tsg_gk20a *tsg);
+                u32 (*get_preempt_timeout)(struct gk20a *g);
 #ifdef CONFIG_TEGRA_GK20A_NVHOST
                 int (*alloc_syncpt_buf)(struct channel_gk20a *c,
                                 u32 syncpt_id, struct nvgpu_mem *syncpt_buf);
@@ -760,6 +762,8 @@ struct gpu_ops {
                 void (*fault_info_mem_destroy)(struct gk20a *g);
                 u32 (*get_kind_invalid)(void);
                 u32 (*get_kind_pitch)(void);
+                u32 (*get_flush_retries)(struct gk20a *g,
+                                                        enum nvgpu_flush_op op);
         } mm;
         /*
          * This function is called to allocate secure memory (memory