gpu: nvgpu: Do not use G_ELPG_FLUSH

G_ELPG_FLUSH is protected in some chips. Use L2 flush operations
instead.

Bug 1698618

Change-Id: I984a8ace8bcd0ad2d4a4e2d63af75a342bdeb75a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/828656
(cherry picked from commit ba9075fa43975112a221d37d246f0b8f5af40fab)
Reviewed-on: http://git-master/r/829415

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 58c8e9ad..e43e58a0 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -376,6 +376,7 @@ struct gpu_ops {
                 int (*fb_flush)(struct gk20a *g);
                 void (*l2_invalidate)(struct gk20a *g);
                 void (*l2_flush)(struct gk20a *g, bool invalidate);
+                void (*cbc_clean)(struct gk20a *g);
                 void (*tlb_invalidate)(struct vm_gk20a *vm);
                 void (*set_big_page_size)(struct gk20a *g,
                                           void *inst_ptr, int size);