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Commit f436a577 authored by Jordan Crouse's avatar Jordan Crouse
Browse files

msm: kgsl: Put commands on ringbuffer 0 if premption is disabled 



If preemption gets disabled at runtime due to memory constraints
then all the commands need to go on ringbuffer 0 otherwise they
will never get swapped in.

Change-Id: Ic0dedbad98c07976fb65dff252d879cc9ca813d4
Signed-off-by: default avatarJordan Crouse <jcrouse@codeaurora.org>
parent d2db2ee1

drivers/gpu/msm/adreno.h

+14 −6
Original line number Diff line number Diff line
@@ -1291,6 +1291,12 @@ adreno_get_rptr(struct adreno_ringbuffer *rb) 
	return rb->rptr;

}



static inline bool adreno_is_preemption_enabled(

				struct adreno_device *adreno_dev)

{

	return test_bit(ADRENO_DEVICE_PREEMPTION, &adreno_dev->priv);

}



/**

 * adreno_ctx_get_rb() - Return the ringbuffer that a context should

 * use based on priority
@@ -1308,6 +1314,14 @@ static inline struct adreno_ringbuffer *adreno_ctx_get_rb( 


	context = &(drawctxt->base);



	/*

	 * If preemption is disabled then everybody needs to go on the same

	 * ringbuffer

	 */



	if (!adreno_is_preemption_enabled(adreno_dev))

		return &(adreno_dev->ringbuffers[0]);



	/*

	 * Math to convert the priority field in context structure to an RB ID.

	 * Divide up the context priority based on number of ringbuffer levels.
@@ -1360,12 +1374,6 @@ void adreno_writereg64(struct adreno_device *adreno_dev, 
unsigned int adreno_iommu_set_apriv(struct adreno_device *adreno_dev,

				unsigned int *cmds, int set);



static inline bool adreno_is_preemption_enabled(

				struct adreno_device *adreno_dev)

{

	return test_bit(ADRENO_DEVICE_PREEMPTION, &adreno_dev->priv);

}



static inline bool adreno_soft_fault_detect(struct adreno_device *adreno_dev)

{

	return adreno_dev->fast_hang_detect &&