drm/msm/mdp5: Remove unused downstream bus scaling apis

MSM bus scaling has moved on to use interconnect framework
and downstream bus scaling apis are not present anymore.
Remove them as they are nop anyways in the current code,
no functional change.

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>

1 files changed, 0 insertions, 68 deletions

diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_encoder.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_encoder.c
index f48827283c2b..79d67c495780 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_encoder.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_encoder.c
@@ -16,72 +16,9 @@ static struct mdp5_kms *get_kms(struct drm_encoder *encoder)
 	return to_mdp5_kms(to_mdp_kms(priv->kms));
 }
 
-#ifdef DOWNSTREAM_CONFIG_MSM_BUS_SCALING
-#include <mach/board.h>
-#include <mach/msm_bus.h>
-#include <mach/msm_bus_board.h>
-#define MDP_BUS_VECTOR_ENTRY(ab_val, ib_val)		\
-	{						\
-		.src = MSM_BUS_MASTER_MDP_PORT0,	\
-		.dst = MSM_BUS_SLAVE_EBI_CH0,		\
-		.ab = (ab_val),				\
-		.ib = (ib_val),				\
-	}
-
-static struct msm_bus_vectors mdp_bus_vectors[] = {
-	MDP_BUS_VECTOR_ENTRY(0, 0),
-	MDP_BUS_VECTOR_ENTRY(2000000000, 2000000000),
-};
-static struct msm_bus_paths mdp_bus_usecases[] = { {
-		.num_paths = 1,
-		.vectors = &mdp_bus_vectors[0],
-}, {
-		.num_paths = 1,
-		.vectors = &mdp_bus_vectors[1],
-} };
-static struct msm_bus_scale_pdata mdp_bus_scale_table = {
-	.usecase = mdp_bus_usecases,
-	.num_usecases = ARRAY_SIZE(mdp_bus_usecases),
-	.name = "mdss_mdp",
-};
-
-static void bs_init(struct mdp5_encoder *mdp5_encoder)
-{
-	mdp5_encoder->bsc = msm_bus_scale_register_client(
-			&mdp_bus_scale_table);
-	DBG("bus scale client: %08x", mdp5_encoder->bsc);
-}
-
-static void bs_fini(struct mdp5_encoder *mdp5_encoder)
-{
-	if (mdp5_encoder->bsc) {
-		msm_bus_scale_unregister_client(mdp5_encoder->bsc);
-		mdp5_encoder->bsc = 0;
-	}
-}
-
-static void bs_set(struct mdp5_encoder *mdp5_encoder, int idx)
-{
-	if (mdp5_encoder->bsc) {
-		DBG("set bus scaling: %d", idx);
-		/* HACK: scaling down, and then immediately back up
-		 * seems to leave things broken (underflow).. so
-		 * never disable:
-		 */
-		idx = 1;
-		msm_bus_scale_client_update_request(mdp5_encoder->bsc, idx);
-	}
-}
-#else
-static void bs_init(struct mdp5_encoder *mdp5_encoder) {}
-static void bs_fini(struct mdp5_encoder *mdp5_encoder) {}
-static void bs_set(struct mdp5_encoder *mdp5_encoder, int idx) {}
-#endif
-
 static void mdp5_encoder_destroy(struct drm_encoder *encoder)
 {
 	struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
-	bs_fini(mdp5_encoder);
 	drm_encoder_cleanup(encoder);
 	kfree(mdp5_encoder);
 }
@@ -222,8 +159,6 @@ static void mdp5_vid_encoder_disable(struct drm_encoder *encoder)
 	 */
 	mdp_irq_wait(&mdp5_kms->base, intf2vblank(mixer, intf));
 
-	bs_set(mdp5_encoder, 0);
-
 	mdp5_encoder->enabled = false;
 }
 
@@ -240,7 +175,6 @@ static void mdp5_vid_encoder_enable(struct drm_encoder *encoder)
 	if (WARN_ON(mdp5_encoder->enabled))
 		return;
 
-	bs_set(mdp5_encoder, 1);
 	spin_lock_irqsave(&mdp5_encoder->intf_lock, flags);
 	mdp5_write(mdp5_kms, REG_MDP5_INTF_TIMING_ENGINE_EN(intfn), 1);
 	spin_unlock_irqrestore(&mdp5_encoder->intf_lock, flags);
@@ -426,8 +360,6 @@ struct drm_encoder *mdp5_encoder_init(struct drm_device *dev,
 
 	drm_encoder_helper_add(encoder, &mdp5_encoder_helper_funcs);
 
-	bs_init(mdp5_encoder);
-
 	return encoder;
 
 fail: