gpu: nvgpu: gk20a: 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: I46b9ccb80e0b67efb86ec85676e5a55ff835c0ec
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1460113
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/fb_gk20a.c b/drivers/gpu/nvgpu/gk20a/fb_gk20a.c
index b3c52852..214014ce 100644
--- a/drivers/gpu/nvgpu/gk20a/fb_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fb_gk20a.c
@@ -14,12 +14,13 @@
  */
 
 #include <trace/events/gk20a.h>
-#include <linux/delay.h>
 
 #include "gk20a.h"
 #include "kind_gk20a.h"
 #include "fb_gk20a.h"
 
+#include <nvgpu/timers.h>
+
 #include <nvgpu/hw/gk20a/hw_mc_gk20a.h>
 #include <nvgpu/hw/gk20a/hw_fb_gk20a.h>
 
@@ -124,7 +125,7 @@ void gk20a_fb_tlb_invalidate(struct gk20a *g, struct nvgpu_mem *pdb)
                 data = gk20a_readl(g, fb_mmu_ctrl_r());
                 if (fb_mmu_ctrl_pri_fifo_space_v(data) != 0)
                         break;
-                udelay(2);
+                nvgpu_udelay(2);
         } while (!nvgpu_timeout_expired_msg(&timeout,
                                          "wait mmu fifo space"));
 
@@ -148,7 +149,7 @@ void gk20a_fb_tlb_invalidate(struct gk20a *g, struct nvgpu_mem *pdb)
                 if (fb_mmu_ctrl_pri_fifo_empty_v(data) !=
                         fb_mmu_ctrl_pri_fifo_empty_false_f())
                         break;
-                udelay(2);
+                nvgpu_udelay(2);
         } while (!nvgpu_timeout_expired_msg(&timeout,
                                          "wait mmu invalidate"));