gpu: nvgpu: Move setting of BAR0_WINDOW to bus

Move setting of BAR0_WINDOW to bus HAL. Also moves the usage of spinlock to
common code so that pramin_gk20a.[ch] can be deleted.

JIRA NVGPU-588

Change-Id: I3ceabc56016711b2c93f31fedf07daa778a4873a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1730890
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/common/pramin.c b/drivers/gpu/nvgpu/common/pramin.c
index ed961965..4c6a4a0d 100644
--- a/drivers/gpu/nvgpu/common/pramin.c
+++ b/drivers/gpu/nvgpu/common/pramin.c
@@ -61,7 +61,8 @@ void nvgpu_pramin_access_batched(struct gk20a *g, struct nvgpu_mem *mem,
         while (size) {
                 u32 sgl_len = (u32)nvgpu_sgt_get_length(sgt, sgl);
 
-                byteoff = g->ops.pramin.enter(g, mem, sgt, sgl,
+                nvgpu_spinlock_acquire(&g->mm.pramin_window_lock);
+                byteoff = g->ops.bus.set_bar0_window(g, mem, sgt, sgl,
                                               offset / sizeof(u32));
                 start_reg = g->ops.pramin.data032_r(byteoff / sizeof(u32));
                 until_end = SZ_1M - (byteoff & (SZ_1M - 1));
@@ -72,7 +73,8 @@ void nvgpu_pramin_access_batched(struct gk20a *g, struct nvgpu_mem *mem,
 
                 /* read back to synchronize accesses */
                 gk20a_readl(g, start_reg);
-                g->ops.pramin.exit(g, mem, sgl);
+
+                nvgpu_spinlock_release(&g->mm.pramin_window_lock);
 
                 size -= n;