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Merge "msm: kgsl: Add suspend_context to gmu based targets"

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This commit is contained in:
qctecmdr 2020-08-18 14:18:22 -07:00 • committed by Gerrit - the friendly Code Review server
commit a290f5efa9
4 changed files with 22 additions and 3 deletions
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2
drivers/gpu/msm/adreno.c
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@ -2941,7 +2941,7 @@ static int adreno_drain(struct kgsl_device *device)
}
/* Caller must hold the device mutex. */
static int adreno_suspend_context(struct kgsl_device *device)
int adreno_suspend_context(struct kgsl_device *device)
{
/* process any profiling results that are available */
adreno_profile_process_results(ADRENO_DEVICE(device));

11
drivers/gpu/msm/adreno.h
View file

@ -1910,4 +1910,15 @@ void adreno_clear_dcvs_counters(struct adreno_device *adreno_dev);
* Set the gmu fault and take snapshot when we hit a gmu fault
*/
void gmu_fault_snapshot(struct kgsl_device *device);
/**
* adreno_suspend_context - Make sure device is idle
* @device: Pointer to the kgsl device
*
* This function processes the profiling results and checks if the
* device is idle so that it can be turned off safely
*
* Return: 0 on success or negative error on failure
*/
int adreno_suspend_context(struct kgsl_device *device);
#endif /*__ADRENO_H */

6
drivers/gpu/msm/adreno_a6xx_gmu.c
View file

@ -3048,6 +3048,8 @@ static int a6xx_power_off(struct adreno_device *adreno_dev)
trace_kgsl_pwr_request_state(device, KGSL_STATE_SLUMBER);
adreno_suspend_context(device);
ret = a6xx_gmu_oob_set(device, oob_gpu);
if (ret) {
a6xx_gmu_oob_clear(device, oob_gpu);
@ -3069,10 +3071,12 @@ static int a6xx_power_off(struct adreno_device *adreno_dev)
if (adreno_is_a630(adreno_dev))
a630_vbif_halt(adreno_dev);
adreno_irqctrl(adreno_dev, 0);
a6xx_gmu_oob_clear(device, oob_gpu);
no_gx_power:
a6xx_disable_gpu_irq(adreno_dev);
kgsl_pwrctrl_irq(device, KGSL_PWRFLAGS_OFF);
a6xx_gmu_power_off(adreno_dev);

6
drivers/gpu/msm/adreno_a6xx_rgmu.c
View file

@ -1042,6 +1042,8 @@ static int a6xx_power_off(struct adreno_device *adreno_dev)
trace_kgsl_pwr_request_state(device, KGSL_STATE_SLUMBER);
adreno_suspend_context(device);
ret = a6xx_rgmu_oob_set(device, oob_gpu);
if (ret) {
a6xx_rgmu_oob_clear(device, oob_gpu);
@ -1056,6 +1058,8 @@ static int a6xx_power_off(struct adreno_device *adreno_dev)
/* Save physical performance counter values before GPU power down*/
adreno_perfcounter_save(adreno_dev);
adreno_irqctrl(adreno_dev, 0);
a6xx_rgmu_prepare_stop(device);
a6xx_rgmu_oob_clear(device, oob_gpu);
@ -1067,7 +1071,7 @@ no_gx_power:
adreno_wait_for_halt_ack(device, ADRENO_REG_GBIF_HALT_ACK,
A6XX_GBIF_CLIENT_HALT_MASK);
a6xx_disable_gpu_irq(adreno_dev);
kgsl_pwrctrl_irq(device, KGSL_PWRFLAGS_OFF);
a6xx_rgmu_power_off(adreno_dev);