gpu: nvgpu: gm20b: Use new delay APIs

Use platform agnostic delay functions instead of Linux kernel APIs.
This allows removing dependency to Linux header linux/delay.h. At the
same time remove #include lines for other unused Linux headers.

JIRA NVGPU-16

Change-Id: I05df9d72edaf4bb061febe0cb40fc8a7cf9f51c7
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1460114
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/gr_gp10b.c b/drivers/gpu/nvgpu/gp10b/gr_gp10b.c
index 6e6223c8..24e7ffad 100644
--- a/drivers/gpu/nvgpu/gp10b/gr_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/gr_gp10b.c
@@ -13,8 +13,6 @@
  * more details.
  */
 
-#include <linux/delay.h>
-#include <linux/version.h>
 #include <soc/tegra/fuse.h>
 
 #include <dt-bindings/soc/gm20b-fuse.h>
@@ -1393,7 +1391,7 @@ static int gr_gp10b_wait_empty(struct gk20a *g, unsigned long duration_ms,
                         return 0;
                 }
 
-                usleep_range(delay, delay * 2);
+                nvgpu_usleep_range(delay, delay * 2);
                 delay = min_t(u32, delay << 1, GR_IDLE_CHECK_MAX);
         } while (!nvgpu_timeout_expired(&timeout));
 
@@ -2044,7 +2042,7 @@ static int gr_gp10b_suspend_contexts(struct gk20a *g,
                         if (!gr_ctx->t18x.cilp_preempt_pending)
                                 break;
 
-                        usleep_range(delay, delay * 2);
+                        nvgpu_usleep_range(delay, delay * 2);
                         delay = min_t(u32, delay << 1, GR_IDLE_CHECK_MAX);
                 } while (!nvgpu_timeout_expired(&timeout));