gpu: nvgpu: gp10b: map GfxP buffers as GPU cacheable

Some of the allocated buffers are used during normal graphics
processing. Mark them as GPU cacheable to improve performance.

Bug 1695718

Change-Id: I71d5d1538516e966526abe5e38a557776321597f
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/827087
(cherry picked from commit 60b40ac144c94e24a2c449c8be937edf8865e1ed)
Reviewed-on: http://git-master/r/828493
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
index bf49ba6f..62b70a22 100644
--- a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
+++ b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
@@ -33,6 +33,8 @@ enum {
 #define NVC0C0_SET_SHADER_EXCEPTIONS            0x1528
 
 void gp10b_init_gr(struct gpu_ops *ops);
+int gr_gp10b_alloc_buffer(struct vm_gk20a *vm, size_t size,
+                        struct mem_desc *mem);
 
 struct gr_t18x {
         struct {