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Merge "msm: kgsl: Add handler for GPC interrupt on A6xx GPU"

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qctecmdr 2020-09-02 08:39:49 -07:00 • committed by Gerrit - the friendly Code Review server
commit b6a8be3cf5
1 changed files with 24 additions and 1 deletions
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25
drivers/gpu/msm/adreno_a6xx.c
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@ -1522,6 +1522,29 @@ static void a6xx_cp_callback(struct adreno_device *adreno_dev, int bit)
adreno_dispatcher_schedule(device);
}
/*
* a6xx_gpc_err_int_callback() - Isr for GPC error interrupts
* @adreno_dev: Pointer to device
* @bit: Interrupt bit
*/
static void a6xx_gpc_err_int_callback(struct adreno_device *adreno_dev, int bit)
{
struct kgsl_device *device = KGSL_DEVICE(adreno_dev);
/*
* GPC error is typically the result of mistake SW programming.
* Force GPU fault for this interrupt so that we can debug it
* with help of register dump.
*/
dev_crit(device->dev, "RBBM: GPC error\n");
adreno_irqctrl(adreno_dev, 0);
/* Trigger a fault in the dispatcher - this will effect a restart */
adreno_set_gpu_fault(adreno_dev, ADRENO_SOFT_FAULT);
adreno_dispatcher_schedule(device);
}
static struct adreno_irq_funcs a6xx_irq_funcs[32] = {
ADRENO_IRQ_CALLBACK(NULL), /* 0 - RBBM_GPU_IDLE */
ADRENO_IRQ_CALLBACK(a6xx_err_callback), /* 1 - RBBM_AHB_ERROR */
@ -1531,7 +1554,7 @@ static struct adreno_irq_funcs a6xx_irq_funcs[32] = {
ADRENO_IRQ_CALLBACK(NULL), /* 5 - UNUSED */
/* 6 - RBBM_ATB_ASYNC_OVERFLOW */
ADRENO_IRQ_CALLBACK(a6xx_err_callback),
ADRENO_IRQ_CALLBACK(NULL), /* 7 - GPC_ERR */
ADRENO_IRQ_CALLBACK(a6xx_gpc_err_int_callback), /* 7 - GPC_ERR */
ADRENO_IRQ_CALLBACK(a6xx_preemption_callback),/* 8 - CP_SW */
ADRENO_IRQ_CALLBACK(a6xx_cp_hw_err_callback), /* 9 - CP_HW_ERROR */
ADRENO_IRQ_CALLBACK(NULL), /* 10 - CP_CCU_FLUSH_DEPTH_TS */