gpu: nvgpu: Use new kmem API functions (clk/*)

Use the new kmem API functions in clk/*. Also add a struct gk20a
pointer to the following functions:

  nvgpu_clk_notification_queue_alloc()
  nvgpu_clk_notification_queue_free()

Bug 1799159
Bug 1823380

Change-Id: I7eb67dc443c0bbe0d3f67dac7bf363da60e1051c
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1318316
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/clk/clk_mclk.c b/drivers/gpu/nvgpu/clk/clk_mclk.c
index e5452051..16852b5e 100644
--- a/drivers/gpu/nvgpu/clk/clk_mclk.c
+++ b/drivers/gpu/nvgpu/clk/clk_mclk.c
@@ -14,6 +14,7 @@
 #include <linux/delay.h>
 
 #include <nvgpu/bios.h>
+#include <nvgpu/kmem.h>
 
 #include "gk20a/gk20a.h"
 #include "gk20a/pmu_gk20a.h"
@@ -2216,8 +2217,7 @@ int clk_mclkseq_init_mclk_gddr5(struct gk20a *g)
         mclk->p0_min = p0_info->min_mhz;
 
 
-        mclk->vreg_buf = kcalloc(VREG_COUNT,
-                sizeof(u32), GFP_KERNEL);
+        mclk->vreg_buf = nvgpu_kcalloc(g, VREG_COUNT, sizeof(u32));
         if (!mclk->vreg_buf) {
                 gk20a_err(dev_from_gk20a(g),
                                 "unable to allocate memory for VREG");