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Commit e011825f authored by Abhilash Kumar's avatar Abhilash Kumar Committed by Lynus Vaz
Browse files

msm: kgsl: Reset busy data after soft reset 



GPU perfcounters gets reset after a soft reset. Currently
GPU busy stats is using previous values after a soft reset.
This might lead to invalid GPU busy calculations. Start GPU
stats from the scratch after a soft reset to get valid GPU
busy calculations.

Change-Id: Ia38c18ad59f438d724ff4710ee2b350853b3810d
Signed-off-by: default avatarAbhilash Kumar <krabhi@codeaurora.org>
parent 390237f4

drivers/gpu/msm/adreno.c

+5 −0
Original line number Diff line number Diff line
@@ -2342,6 +2342,11 @@ int adreno_soft_reset(struct kgsl_device *device) 
		return ret;

	}



	/* Clear the busy_data stats - we're starting over from scratch */

	adreno_dev->busy_data.gpu_busy = 0;

	adreno_dev->busy_data.vbif_ram_cycles = 0;

	adreno_dev->busy_data.vbif_starved_ram = 0;



	/* Set the page table back to the default page table */

	adreno_ringbuffer_set_global(adreno_dev, 0);

	kgsl_mmu_set_pt(&device->mmu, device->mmu.defaultpagetable);