gpu: nvgpu: Vidmem support for PMU

Add vidmem support for PMU. Introduces pmu_surface, which abstracts
the memory used, and allocator helpers for both sysmem and vidmem.

JIRA DNVGPU-85

Change-Id: I61ce137c7007d82010e900759bf8acaf31fba286
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1196518
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1203125
(cherry picked from commit 665f5748108c50fe0c9b4c1486b9d74869477668)
Reviewed-on: http://git-master/r/1217628
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index b1d3f3e3..83d388a7 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -403,6 +403,8 @@ struct gpu_ops {
                                 struct pmu_gk20a *pmu, void *pmu_alloc_ptr);
                 void (*pmu_allocation_set_dmem_offset)(struct pmu_gk20a *pmu,
                                 void *pmu_alloc_ptr, u32 offset);
+                void * (*pmu_allocation_get_fb_addr)(
+                                struct pmu_gk20a *pmu, void *pmu_alloc_ptr);
                 void (*get_pmu_init_msg_pmu_queue_params)(
                                 struct pmu_queue *queue, u32 id,
                                 void *pmu_init_msg);