gpu: nvgpu: Allocate channel table with vmalloc

Channel table can be bigger than one page, so allocate it with
vmalloc.

Also add a free for tsg table, which did not exist before, and
remove per-channel remove_channel callback which was never used.

JIRA DNVGPU-50

Change-Id: I3ee84b65d94881df52bf0618bf4c5f2e85758223
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1129244
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Ken Adams <kadams@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 4 insertions, 6 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c b/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
index 294581b9..dc82d57b 100644
--- a/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
@@ -267,10 +267,8 @@ static int vgpu_init_fifo_setup_sw(struct gk20a *g)
 
         gk20a_dbg(gpu_dbg_map, "userd bar1 va = 0x%llx", f->userd.gpu_va);
 
-        f->channel = kzalloc(f->num_channels * sizeof(*f->channel),
-                                GFP_KERNEL);
-        f->tsg = kzalloc(f->num_channels * sizeof(*f->tsg),
-                                GFP_KERNEL);
+        f->channel = vzalloc(f->num_channels * sizeof(*f->channel));
+        f->tsg = vzalloc(f->num_channels * sizeof(*f->tsg));
         f->engine_info = kzalloc(f->max_engines * sizeof(*f->engine_info),
                                 GFP_KERNEL);
 
@@ -315,9 +313,9 @@ clean_up:
 
         memset(&f->userd, 0, sizeof(f->userd));
 
-        kfree(f->channel);
+        vfree(f->channel);
         f->channel = NULL;
-        kfree(f->tsg);
+        vfree(f->tsg);
         f->tsg = NULL;
         kfree(f->engine_info);
         f->engine_info = NULL;