msm: kgsl: Leave the MMU clocks on with the rest of the GPU

It is no longer power efficient to independently enable and disable
the MMU clocks. We can safely enable and disable them with the rest
of the GPU clocks and take back the infrastructure needed to handle
the clocks.

CRs-Fixed: 1009124
Change-Id: Ic0dedbadc48095eada9c5fce6004475a2cb0f0a9
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>

1 files changed, 0 insertions, 38 deletions

diff --git a/drivers/gpu/msm/adreno_ringbuffer.c b/drivers/gpu/msm/adreno_ringbuffer.c
index 8f0c31361854..1921bf69495d 100644
--- a/drivers/gpu/msm/adreno_ringbuffer.c
+++ b/drivers/gpu/msm/adreno_ringbuffer.c
@@ -1135,44 +1135,6 @@ done:
 }
 
 /**
- * adreno_ringbuffer_mmu_clk_disable_event() - Callback function that
- * disables the MMU clocks.
- * @device: Device pointer
- * @context: The ringbuffer context pointer
- * @data: Pointer containing the adreno_mmu_disable_clk_param structure
- * @type: The event call type (RETIRED or CANCELLED)
- */
-static void adreno_ringbuffer_mmu_clk_disable_event(struct kgsl_device *device,
-			struct kgsl_event_group *group, void *data, int type)
-{
-	kgsl_mmu_disable_clk(&device->mmu);
-}
-
-/*
- * adreno_ringbuffer_mmu_disable_clk_on_ts() - Sets up event to disable MMU
- * clocks
- * @device - The kgsl device pointer
- * @rb: The ringbuffer in whose event list the event is added
- * @timestamp: The timestamp on which the event should trigger
- *
- * Creates an event to disable the MMU clocks on timestamp and if event
- * already exists then updates the timestamp of disabling the MMU clocks
- * with the passed in ts if it is greater than the current value at which
- * the clocks will be disabled
- * Return - void
- */
-void
-adreno_ringbuffer_mmu_disable_clk_on_ts(struct kgsl_device *device,
-			struct adreno_ringbuffer *rb, unsigned int timestamp)
-{
-	if (kgsl_add_event(device, &(rb->events), timestamp,
-		adreno_ringbuffer_mmu_clk_disable_event, NULL)) {
-		KGSL_DRV_ERR(device,
-			"Failed to add IOMMU disable clk event\n");
-	}
-}
-
-/**
  * adreno_ringbuffer_wait_callback() - Callback function for event registered
  * on a ringbuffer timestamp
  * @device: Device for which the the callback is valid