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, 1 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
index f2b0c83c..867e775a 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
@@ -1618,11 +1618,9 @@ int gr_gk20a_load_golden_ctx_image(struct gk20a *g,
                  virt_addr_hi);
 
         /* no user for client managed performance counter ctx */
-        ch_ctx->pm_ctx.ctx_sw_mode =
-                ctxsw_prog_main_image_pm_mode_no_ctxsw_f();
         data = gk20a_mem_rd32(ctx_ptr + ctxsw_prog_main_image_pm_o(), 0);
         data = data & ~ctxsw_prog_main_image_pm_mode_m();
-        data |= ch_ctx->pm_ctx.ctx_sw_mode;
+        data |= ctxsw_prog_main_image_pm_mode_no_ctxsw_f();
         gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_pm_o(), 0,
                  data);