Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 34b2a8a9 authored by Ananta Kishore K's avatar Ananta Kishore K Committed by Sunil Khatri
Browse files

msm: kgsl: Vote for new IRQ specific QoS request 



The current vote applies to all CPUs and hence may have power
impact, especially when there are more number of CPUs. The new
IRQ specific QoS request shall update the vote only for one
CPU to which the IRQ's smp_affinity attribute is set to.

Change-Id: Ib765da41d11289509b29b76cd9fd1a370c6bcf59
Signed-off-by: default avatarAnanta Kishore K <akollipa@codeaurora.org>
Signed-off-by: default avatarSunil Khatri <sunilkh@codeaurora.org>
parent 763e35c9

drivers/gpu/msm/kgsl.c

+14 −0
Original line number Diff line number Diff line
@@ -4485,6 +4485,20 @@ int kgsl_device_platform_probe(struct kgsl_device *device) 
		goto error_close_mmu;

	}



	/*

	 * The default request type PM_QOS_REQ_ALL_CORES is

	 * applicable to all CPU cores that are online and

	 * would have a power impact when there are more

	 * number of CPUs. PM_QOS_REQ_AFFINE_IRQ request

	 * type shall update/apply the vote only to that CPU to

	 * which IRQ's affinity is set to.

	 */

#ifdef CONFIG_SMP



	device->pwrctrl.pm_qos_req_dma.type = PM_QOS_REQ_AFFINE_IRQ;

	device->pwrctrl.pm_qos_req_dma.irq = device->pwrctrl.interrupt_num;



#endif

	pm_qos_add_request(&device->pwrctrl.pm_qos_req_dma,

				PM_QOS_CPU_DMA_LATENCY,

				PM_QOS_DEFAULT_VALUE);