diff options
Diffstat (limited to 'drivers/gpu/msm/adreno_a6xx.c')
| -rw-r--r-- | drivers/gpu/msm/adreno_a6xx.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/gpu/msm/adreno_a6xx.c b/drivers/gpu/msm/adreno_a6xx.c index d1821a7c9076..1a94e7df4e30 100644 --- a/drivers/gpu/msm/adreno_a6xx.c +++ b/drivers/gpu/msm/adreno_a6xx.c @@ -1362,6 +1362,29 @@ 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_ratelimited(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); +} + #define A6XX_INT_MASK \ ((1 << A6XX_INT_CP_AHB_ERROR) | \ (1 << A6XX_INT_ATB_ASYNCFIFO_OVERFLOW) | \ @@ -1387,7 +1410,7 @@ 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 */ |