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path: root/drivers/accel/ivpu/ivpu_hw_40xx.c
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Diffstat (limited to 'drivers/accel/ivpu/ivpu_hw_40xx.c')
-rw-r--r--drivers/accel/ivpu/ivpu_hw_40xx.c43
1 files changed, 35 insertions, 8 deletions
diff --git a/drivers/accel/ivpu/ivpu_hw_40xx.c b/drivers/accel/ivpu/ivpu_hw_40xx.c
index 34626d66fa10..e691c49c9841 100644
--- a/drivers/accel/ivpu/ivpu_hw_40xx.c
+++ b/drivers/accel/ivpu/ivpu_hw_40xx.c
@@ -57,8 +57,7 @@
#define ICB_0_1_IRQ_MASK ((((u64)ICB_1_IRQ_MASK) << 32) | ICB_0_IRQ_MASK)
-#define BUTTRESS_IRQ_MASK ((REG_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, FREQ_CHANGE)) | \
- (REG_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR)) | \
+#define BUTTRESS_IRQ_MASK ((REG_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR)) | \
(REG_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, CFI0_ERR)) | \
(REG_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, CFI1_ERR)) | \
(REG_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, IMR0_ERR)) | \
@@ -126,6 +125,10 @@ static void ivpu_hw_wa_init(struct ivpu_device *vdev)
if (ivpu_hw_gen(vdev) == IVPU_HW_40XX)
vdev->wa.disable_clock_relinquish = true;
+
+ IVPU_PRINT_WA(punit_disabled);
+ IVPU_PRINT_WA(clear_runtime_mem);
+ IVPU_PRINT_WA(disable_clock_relinquish);
}
static void ivpu_hw_timeouts_init(struct ivpu_device *vdev)
@@ -135,16 +138,19 @@ static void ivpu_hw_timeouts_init(struct ivpu_device *vdev)
vdev->timeout.jsm = 50000;
vdev->timeout.tdr = 2000000;
vdev->timeout.reschedule_suspend = 1000;
+ vdev->timeout.autosuspend = -1;
} else if (ivpu_is_simics(vdev)) {
vdev->timeout.boot = 50;
vdev->timeout.jsm = 500;
vdev->timeout.tdr = 10000;
vdev->timeout.reschedule_suspend = 10;
+ vdev->timeout.autosuspend = -1;
} else {
vdev->timeout.boot = 1000;
vdev->timeout.jsm = 500;
vdev->timeout.tdr = 2000;
vdev->timeout.reschedule_suspend = 10;
+ vdev->timeout.autosuspend = 10;
}
}
@@ -196,6 +202,14 @@ static int ivpu_pll_wait_for_status_ready(struct ivpu_device *vdev)
return REGB_POLL_FLD(VPU_40XX_BUTTRESS_VPU_STATUS, READY, 1, PLL_TIMEOUT_US);
}
+static int ivpu_wait_for_clock_own_resource_ack(struct ivpu_device *vdev)
+{
+ if (ivpu_is_simics(vdev))
+ return 0;
+
+ return REGB_POLL_FLD(VPU_40XX_BUTTRESS_VPU_STATUS, CLOCK_RESOURCE_OWN_ACK, 1, TIMEOUT_US);
+}
+
static void ivpu_pll_init_frequency_ratios(struct ivpu_device *vdev)
{
struct ivpu_hw_info *hw = vdev->hw;
@@ -556,6 +570,12 @@ static int ivpu_boot_pwr_domain_enable(struct ivpu_device *vdev)
{
int ret;
+ ret = ivpu_wait_for_clock_own_resource_ack(vdev);
+ if (ret) {
+ ivpu_err(vdev, "Timed out waiting for clock own resource ACK\n");
+ return ret;
+ }
+
ivpu_boot_pwr_island_trickle_drive(vdev, true);
ivpu_boot_pwr_island_drive(vdev, true);
@@ -715,6 +735,10 @@ static int ivpu_hw_40xx_info_init(struct ivpu_device *vdev)
ivpu_hw_init_range(&vdev->hw->ranges.shave, 0x80000000 + SZ_256M, SZ_2G - SZ_256M);
ivpu_hw_init_range(&vdev->hw->ranges.dma, 0x200000000, SZ_8G);
+ ivpu_hw_read_platform(vdev);
+ ivpu_hw_wa_init(vdev);
+ ivpu_hw_timeouts_init(vdev);
+
return 0;
}
@@ -806,10 +830,6 @@ static int ivpu_hw_40xx_power_up(struct ivpu_device *vdev)
return ret;
}
- ivpu_hw_read_platform(vdev);
- ivpu_hw_wa_init(vdev);
- ivpu_hw_timeouts_init(vdev);
-
ret = ivpu_hw_40xx_d0i3_disable(vdev);
if (ret)
ivpu_warn(vdev, "Failed to disable D0I3: %d\n", ret);
@@ -1046,8 +1066,6 @@ static irqreturn_t ivpu_hw_40xx_irqb_handler(struct ivpu_device *vdev, int irq)
if (status == 0)
return IRQ_NONE;
- REGB_WR32(VPU_40XX_BUTTRESS_INTERRUPT_STAT, status);
-
if (REG_TEST_FLD(VPU_40XX_BUTTRESS_INTERRUPT_STAT, FREQ_CHANGE, status))
ivpu_dbg(vdev, IRQ, "FREQ_CHANGE");
@@ -1092,6 +1110,9 @@ static irqreturn_t ivpu_hw_40xx_irqb_handler(struct ivpu_device *vdev, int irq)
schedule_recovery = true;
}
+ /* This must be done after interrupts are cleared at the source. */
+ REGB_WR32(VPU_40XX_BUTTRESS_INTERRUPT_STAT, status);
+
if (schedule_recovery)
ivpu_pm_schedule_recovery(vdev);
@@ -1103,9 +1124,14 @@ static irqreturn_t ivpu_hw_40xx_irq_handler(int irq, void *ptr)
struct ivpu_device *vdev = ptr;
irqreturn_t ret = IRQ_NONE;
+ REGB_WR32(VPU_40XX_BUTTRESS_GLOBAL_INT_MASK, 0x1);
+
ret |= ivpu_hw_40xx_irqv_handler(vdev, irq);
ret |= ivpu_hw_40xx_irqb_handler(vdev, irq);
+ /* Re-enable global interrupts to re-trigger MSI for pending interrupts */
+ REGB_WR32(VPU_40XX_BUTTRESS_GLOBAL_INT_MASK, 0x0);
+
if (ret & IRQ_WAKE_THREAD)
return IRQ_WAKE_THREAD;
@@ -1160,6 +1186,7 @@ const struct ivpu_hw_ops ivpu_hw_40xx_ops = {
.power_up = ivpu_hw_40xx_power_up,
.is_idle = ivpu_hw_40xx_is_idle,
.power_down = ivpu_hw_40xx_power_down,
+ .reset = ivpu_hw_40xx_reset,
.boot_fw = ivpu_hw_40xx_boot_fw,
.wdt_disable = ivpu_hw_40xx_wdt_disable,
.diagnose_failure = ivpu_hw_40xx_diagnose_failure,