From 55e856c344b0473e78729e59e501b28d3c238b51 Mon Sep 17 00:00:00 2001 From: Karol Wachowski Date: Tue, 4 Feb 2025 09:46:21 +0100 Subject: [PATCH] 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 Signed-off-by: Karol Wachowski Signed-off-by: Jacek Lawrynowicz Link: https://patchwork.freedesktop.org/patch/msgid/20250204084622.2422544-6-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 --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; -- 2.39.5