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Commit 4194c7b7 authored by Yashwanth's avatar Yashwanth Committed by santosh
Browse files

disp: msm: sde: add dt based support for pm qos irq latency 



This change adds dt based support for pm qos irq
latency instead of using hardcoded value.

Change-Id: I9f67ed1092eefac193a409773f841350532bc722
Signed-off-by: default avatarYashwanth <yvulapu@codeaurora.org>
parent bada02f3

msm/sde/sde_hw_catalog.c

+7 −0
Original line number Diff line number Diff line
@@ -228,6 +228,7 @@ enum { 
	PERF_CPU_MASK,

	CPU_MASK_PERF,

	PERF_CPU_DMA_LATENCY,

	PERF_CPU_IRQ_LATENCY,

	PERF_PROP_MAX,

};
@@ -607,6 +608,8 @@ static struct sde_prop_type sde_perf_prop[] = { 
			PROP_TYPE_U32},

	{PERF_CPU_DMA_LATENCY, "qcom,sde-qos-cpu-dma-latency", false,

			PROP_TYPE_U32},

	{PERF_CPU_IRQ_LATENCY, "qcom,sde-qos-cpu-irq-latency", false,

			PROP_TYPE_U32},

};



static struct sde_prop_type sde_qos_prop[] = {
@@ -4162,6 +4165,10 @@ static int _sde_perf_parse_dt_cfg(struct device_node *np, 
			prop_exists[PERF_CPU_DMA_LATENCY] ?

			PROP_VALUE_ACCESS(prop_value, PERF_CPU_DMA_LATENCY, 0) :

			DEFAULT_CPU_DMA_LATENCY;

	cfg->perf.cpu_irq_latency =

			prop_exists[PERF_CPU_IRQ_LATENCY] ?

			PROP_VALUE_ACCESS(prop_value, PERF_CPU_IRQ_LATENCY, 0) :

			PM_QOS_DEFAULT_VALUE;



	return 0;

}

msm/sde/sde_hw_catalog.h

+2 −0
Original line number Diff line number Diff line
@@ -1317,6 +1317,7 @@ struct sde_sc_cfg { 
 * @cpu_mask:          pm_qos cpu mask value

 * @cpu_mask_perf:     pm_qos cpu silver core mask value

 * @cpu_dma_latency:   pm_qos cpu dma latency value

 * @cpu_irq_latency:   pm_qos cpu irq latency value

 * @axi_bus_width:     axi bus width value in bytes

 * @num_mnoc_ports:    number of mnoc ports

 */
@@ -1348,6 +1349,7 @@ struct sde_perf_cfg { 
	unsigned long cpu_mask;

	unsigned long cpu_mask_perf;

	u32 cpu_dma_latency;

	u32 cpu_irq_latency;

	u32 axi_bus_width;

	u32 num_mnoc_ports;

};

msm/sde/sde_kms.c

+3 −2
Original line number Diff line number Diff line
@@ -3008,6 +3008,7 @@ static void _sde_kms_update_pm_qos_irq_request(struct sde_kms *sde_kms) 
{

	struct device *cpu_dev;

	int cpu = 0;

	u32 cpu_irq_latency = sde_kms->catalog->perf.cpu_irq_latency;



	if (cpumask_empty(&sde_kms->irq_cpu_mask)) {

		SDE_DEBUG("%s: irq_cpu_mask is empty\n", __func__);
@@ -3024,12 +3025,12 @@ static void _sde_kms_update_pm_qos_irq_request(struct sde_kms *sde_kms) 


		if (dev_pm_qos_request_active(&sde_kms->pm_qos_irq_req[cpu]))

			dev_pm_qos_update_request(&sde_kms->pm_qos_irq_req[cpu],

					sde_kms->catalog->perf.cpu_dma_latency);

					cpu_irq_latency);

		else

			dev_pm_qos_add_request(cpu_dev,

				&sde_kms->pm_qos_irq_req[cpu],

				DEV_PM_QOS_RESUME_LATENCY,

				sde_kms->catalog->perf.cpu_dma_latency);

				cpu_irq_latency);

	}

}