gpu: nvgpu: Generic mem_desc & allocation

Make mem_desc a generic container for buffers. Add functions for
allocating and mapping buffers to an address space which store their
data in mem_desc.

Change-Id: I031643442c6fd41f5e7222fe9b7bfcaf9b784db5
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/660908
GVS: Gerrit_Virtual_Submit
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
index 263ca291..c60afb97 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
@@ -59,7 +59,6 @@ struct fence {
 /* contexts associated with a channel */
 struct channel_ctx_gk20a {
         struct gr_ctx_desc      *gr_ctx;
-        struct pm_ctx_desc      pm_ctx;
         struct patch_desc       patch_ctx;
         struct zcull_ctx_desc   zcull_ctx;
         u64     global_ctx_buffer_va[NR_GLOBAL_CTX_BUF_VA];