diff mbox series

[5/6] accel/ivpu: Add test modes to toggle clock relinquish disable

Message ID 20250204084622.2422544-6-jacek.lawrynowicz@linux.intel.com (mailing list archive)
State New
Headers show
Series accel/ivpu: Changes for 6.15 2025-02-04 | expand

Commit Message

Jacek Lawrynowicz Feb. 4, 2025, 8:46 a.m. UTC 
From: Karol Wachowski <karol.wachowski@intel.com>

Add IVPU_TEST_MODE_CLK_RELINQ_[DISABLE|ENABLE] that overrides
workaround for disabling clock relinquish for testing purposes.

Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Signed-off-by: Karol Wachowski <karol.wachowski@intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
---
 drivers/accel/ivpu/ivpu_drv.h | 2 ++
 drivers/accel/ivpu/ivpu_hw.c  | 6 ++++++
 2 files changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h
index ca21102ca366c..73d808068c8b7 100644
--- a/drivers/accel/ivpu/ivpu_drv.h
+++ b/drivers/accel/ivpu/ivpu_drv.h
@@ -206,6 +206,8 @@  extern bool ivpu_force_snoop;
 #define IVPU_TEST_MODE_MIP_DISABLE        BIT(6)
 #define IVPU_TEST_MODE_DISABLE_TIMEOUTS   BIT(8)
 #define IVPU_TEST_MODE_TURBO		  BIT(9)
+#define IVPU_TEST_MODE_CLK_RELINQ_DISABLE BIT(10)
+#define IVPU_TEST_MODE_CLK_RELINQ_ENABLE  BIT(11)
 extern int ivpu_test_mode;
 
 struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv);
diff --git a/drivers/accel/ivpu/ivpu_hw.c b/drivers/accel/ivpu/ivpu_hw.c
index f31702b3ecbdc..4d9f30e3b505d 100644
--- a/drivers/accel/ivpu/ivpu_hw.c
+++ b/drivers/accel/ivpu/ivpu_hw.c
@@ -68,6 +68,12 @@  static void wa_init(struct ivpu_device *vdev)
 	    ivpu_revision(vdev) < IVPU_HW_IP_REV_LNL_B0)
 		vdev->wa.disable_clock_relinquish = true;
 
+	if (ivpu_test_mode & IVPU_TEST_MODE_CLK_RELINQ_ENABLE)
+		vdev->wa.disable_clock_relinquish = false;
+
+	if (ivpu_test_mode & IVPU_TEST_MODE_CLK_RELINQ_DISABLE)
+		vdev->wa.disable_clock_relinquish = true;
+
 	if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX)
 		vdev->wa.wp0_during_power_up = true;