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/mm_gk20a.h b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
index e44ee631..9e373d8e 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
@@ -283,6 +283,7 @@ int gk20a_init_mm_setup_hw(struct gk20a *g);
 
 int gk20a_mm_fb_flush(struct gk20a *g);
 void gk20a_mm_l2_flush(struct gk20a *g, bool invalidate);
+void gk20a_mm_cbc_clean(struct gk20a *g);
 void gk20a_mm_l2_invalidate(struct gk20a *g);
 
 struct mm_gk20a {