accel/ivpu: Add test modes to toggle clock relinquish disable

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>
Link: https://patchwork.freedesktop.org/patch/msgid/20250204084622.2422544-6-jacek.lawrynowicz@linux.intel.com

diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h
index ca21102ca366cc8da97d8c896697566bd08a7d43..73d808068c8b7bcd1ffada717be1351714e5afa9 100644 (file)
--- 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 f31702b3ecbdceb9e67d66b8970474a834e43905..4d9f30e3b505dc192bb8b7d1eaa25485701f91ea 100644 (file)
--- 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;