gpu: nvgpu: Remove extraneous FB flush calls

gk20a_mm_fb_flush() invoked G_ELPG_FLUSH and FB_FLUSH. Remove the
invokation of G_ELPG_FLUSH. Replace calls to gk20a_mm_fb_flush() with
gk20a_mm_l2_flush() when appropriate.

Bug 1421824

Change-Id: I02af4bdc3b7bd26d0f6a8d610f70349269775a36
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/408210
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
index dd492d92..3b0b020d 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
@@ -2801,8 +2801,6 @@ int gk20a_mm_fb_flush(struct gk20a *g)
 
         mutex_lock(&mm->l2_op_lock);
 
-        g->ops.ltc.elpg_flush(g);
-
         /* Make sure all previous writes are committed to the L2. There's no
            guarantee that writes are to DRAM. This will be a sysmembar internal
            to the L2. */