* [PATCH] accel/ivpu: Replace profiling frequency debugfs with test mode bit
@ 2026-11-03 9:42 Andrzej Kacprowski
2026-11-03 10:57 ` Wachowski, Karol
2026-11-03 16:55 ` Jeff Hugo
0 siblings, 2 replies; 4+ messages in thread
From: Andrzej Kacprowski @ 2026-11-03 9:42 UTC (permalink / raw)
To: dri-devel
Cc: oded.gabbay, jeff.hugo, karol.wachowski, lizhi.hou,
dawid.osuchowski, Andrzej Kacprowski
Remove the profiling frequency debugfs control.
Add IVPU_TEST_MODE_PROF_FREQ_HIGH to select
PLL_PROFILING_FREQ_HIGH during driver initialization.
High frequency profiling is for debugging purposes
and it can be set at initialization time - there is
no need to control it via debugfs.
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
---
drivers/accel/ivpu/ivpu_debugfs.c | 29 -----------------------------
drivers/accel/ivpu/ivpu_drv.h | 1 +
drivers/accel/ivpu/ivpu_hw.c | 13 -------------
drivers/accel/ivpu/ivpu_hw.h | 1 -
drivers/accel/ivpu/ivpu_hw_btrs.c | 7 ++++++-
5 files changed, 7 insertions(+), 44 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c
index dc20bc73c6ed..ae535fe49274 100644
--- a/drivers/accel/ivpu/ivpu_debugfs.c
+++ b/drivers/accel/ivpu/ivpu_debugfs.c
@@ -226,33 +226,6 @@ static const struct file_operations fw_log_fops = {
.release = single_release,
};
-static ssize_t
-fw_profiling_freq_fops_write(struct file *file, const char __user *user_buf,
- size_t size, loff_t *pos)
-{
- struct ivpu_device *vdev = file->private_data;
- bool enable;
- int ret;
-
- ret = kstrtobool_from_user(user_buf, size, &enable);
- if (ret < 0)
- return ret;
-
- ivpu_hw_profiling_freq_drive(vdev, enable);
-
- ret = pci_try_reset_function(to_pci_dev(vdev->drm.dev));
- if (ret)
- return ret;
-
- return size;
-}
-
-static const struct file_operations fw_profiling_freq_fops = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .write = fw_profiling_freq_fops_write,
-};
-
static ssize_t
fw_trace_destination_mask_fops_write(struct file *file, const char __user *user_buf,
size_t size, loff_t *pos)
@@ -513,8 +486,6 @@ void ivpu_debugfs_init(struct ivpu_device *vdev)
&ivpu_resume_engine_fops);
if (ivpu_hw_ip_gen(vdev) >= IVPU_HW_IP_40XX) {
- debugfs_create_file("fw_profiling_freq_drive", 0200,
- debugfs_root, vdev, &fw_profiling_freq_fops);
debugfs_create_file("dct", 0644, debugfs_root, vdev, &ivpu_dct_fops);
}
diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h
index ea5b8dc612d1..b33a53101894 100644
--- a/drivers/accel/ivpu/ivpu_drv.h
+++ b/drivers/accel/ivpu/ivpu_drv.h
@@ -238,6 +238,7 @@ extern bool ivpu_force_snoop;
#define IVPU_TEST_MODE_CLK_RELINQ_DISABLE BIT(11)
#define IVPU_TEST_MODE_CLK_RELINQ_ENABLE BIT(12)
#define IVPU_TEST_MODE_D0I2_DISABLE BIT(13)
+#define IVPU_TEST_MODE_PROF_FREQ_HIGH BIT(14)
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 86679d64fc14..2cc2915ab5c5 100644
--- a/drivers/accel/ivpu/ivpu_hw.c
+++ b/drivers/accel/ivpu/ivpu_hw.c
@@ -359,19 +359,6 @@ int ivpu_hw_boot_fw(struct ivpu_device *vdev)
return ret;
}
-void ivpu_hw_profiling_freq_drive(struct ivpu_device *vdev, bool enable)
-{
- if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX) {
- vdev->hw->pll.profiling_freq = PLL_PROFILING_FREQ_DEFAULT;
- return;
- }
-
- if (enable)
- vdev->hw->pll.profiling_freq = PLL_PROFILING_FREQ_HIGH;
- else
- vdev->hw->pll.profiling_freq = PLL_PROFILING_FREQ_DEFAULT;
-}
-
void ivpu_irq_handlers_init(struct ivpu_device *vdev)
{
if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL)
diff --git a/drivers/accel/ivpu/ivpu_hw.h b/drivers/accel/ivpu/ivpu_hw.h
index 8c1b61df6cd4..de3dcb8e6173 100644
--- a/drivers/accel/ivpu/ivpu_hw.h
+++ b/drivers/accel/ivpu/ivpu_hw.h
@@ -61,7 +61,6 @@ int ivpu_hw_power_up(struct ivpu_device *vdev);
int ivpu_hw_power_down(struct ivpu_device *vdev);
int ivpu_hw_reset(struct ivpu_device *vdev);
int ivpu_hw_boot_fw(struct ivpu_device *vdev);
-void ivpu_hw_profiling_freq_drive(struct ivpu_device *vdev, bool enable);
void ivpu_irq_handlers_init(struct ivpu_device *vdev);
void ivpu_hw_irq_enable(struct ivpu_device *vdev);
void ivpu_hw_irq_disable(struct ivpu_device *vdev);
diff --git a/drivers/accel/ivpu/ivpu_hw_btrs.c b/drivers/accel/ivpu/ivpu_hw_btrs.c
index 840983a618ca..602d09e511e5 100644
--- a/drivers/accel/ivpu/ivpu_hw_btrs.c
+++ b/drivers/accel/ivpu/ivpu_hw_btrs.c
@@ -153,7 +153,12 @@ static int info_init_lnl(struct ivpu_device *vdev)
return ret;
hw->tile_fuse = tile_fuse_config;
- hw->pll.profiling_freq = PLL_PROFILING_FREQ_DEFAULT;
+
+ if (ivpu_test_mode & IVPU_TEST_MODE_PROF_FREQ_HIGH)
+ hw->pll.profiling_freq = PLL_PROFILING_FREQ_HIGH;
+ else
+ hw->pll.profiling_freq = PLL_PROFILING_FREQ_DEFAULT;
+
hw->btrs_irq_mask = BTRS_LNL_IRQ_MASK;
if (ivpu_test_mode & IVPU_TEST_MODE_FREQ_CHANGE_ENABLE)
--
2.43.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] accel/ivpu: Replace profiling frequency debugfs with test mode bit
2026-11-03 9:42 [PATCH] accel/ivpu: Replace profiling frequency debugfs with test mode bit Andrzej Kacprowski
@ 2026-11-03 10:57 ` Wachowski, Karol
2026-11-03 16:55 ` Jeff Hugo
1 sibling, 0 replies; 4+ messages in thread
From: Wachowski, Karol @ 2026-11-03 10:57 UTC (permalink / raw)
To: Andrzej Kacprowski, dri-devel
Cc: oded.gabbay, jeff.hugo, lizhi.hou, dawid.osuchowski
On 03-Nov-26 10:42, Andrzej Kacprowski wrote:
> Remove the profiling frequency debugfs control.
> Add IVPU_TEST_MODE_PROF_FREQ_HIGH to select
> PLL_PROFILING_FREQ_HIGH during driver initialization.
> High frequency profiling is for debugging purposes
> and it can be set at initialization time - there is
> no need to control it via debugfs.
>
> Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
> ---
Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com>
> drivers/accel/ivpu/ivpu_debugfs.c | 29 -----------------------------
> drivers/accel/ivpu/ivpu_drv.h | 1 +
> drivers/accel/ivpu/ivpu_hw.c | 13 -------------
> drivers/accel/ivpu/ivpu_hw.h | 1 -
> drivers/accel/ivpu/ivpu_hw_btrs.c | 7 ++++++-
> 5 files changed, 7 insertions(+), 44 deletions(-)
>
> diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c
> index dc20bc73c6ed..ae535fe49274 100644
> --- a/drivers/accel/ivpu/ivpu_debugfs.c
> +++ b/drivers/accel/ivpu/ivpu_debugfs.c
> @@ -226,33 +226,6 @@ static const struct file_operations fw_log_fops = {
> .release = single_release,
> };
>
> -static ssize_t
> -fw_profiling_freq_fops_write(struct file *file, const char __user *user_buf,
> - size_t size, loff_t *pos)
> -{
> - struct ivpu_device *vdev = file->private_data;
> - bool enable;
> - int ret;
> -
> - ret = kstrtobool_from_user(user_buf, size, &enable);
> - if (ret < 0)
> - return ret;
> -
> - ivpu_hw_profiling_freq_drive(vdev, enable);
> -
> - ret = pci_try_reset_function(to_pci_dev(vdev->drm.dev));
> - if (ret)
> - return ret;
> -
> - return size;
> -}
> -
> -static const struct file_operations fw_profiling_freq_fops = {
> - .owner = THIS_MODULE,
> - .open = simple_open,
> - .write = fw_profiling_freq_fops_write,
> -};
> -
> static ssize_t
> fw_trace_destination_mask_fops_write(struct file *file, const char __user *user_buf,
> size_t size, loff_t *pos)
> @@ -513,8 +486,6 @@ void ivpu_debugfs_init(struct ivpu_device *vdev)
> &ivpu_resume_engine_fops);
>
> if (ivpu_hw_ip_gen(vdev) >= IVPU_HW_IP_40XX) {
> - debugfs_create_file("fw_profiling_freq_drive", 0200,
> - debugfs_root, vdev, &fw_profiling_freq_fops);
> debugfs_create_file("dct", 0644, debugfs_root, vdev, &ivpu_dct_fops);
> }
>
> diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h
> index ea5b8dc612d1..b33a53101894 100644
> --- a/drivers/accel/ivpu/ivpu_drv.h
> +++ b/drivers/accel/ivpu/ivpu_drv.h
> @@ -238,6 +238,7 @@ extern bool ivpu_force_snoop;
> #define IVPU_TEST_MODE_CLK_RELINQ_DISABLE BIT(11)
> #define IVPU_TEST_MODE_CLK_RELINQ_ENABLE BIT(12)
> #define IVPU_TEST_MODE_D0I2_DISABLE BIT(13)
> +#define IVPU_TEST_MODE_PROF_FREQ_HIGH BIT(14)
> 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 86679d64fc14..2cc2915ab5c5 100644
> --- a/drivers/accel/ivpu/ivpu_hw.c
> +++ b/drivers/accel/ivpu/ivpu_hw.c
> @@ -359,19 +359,6 @@ int ivpu_hw_boot_fw(struct ivpu_device *vdev)
> return ret;
> }
>
> -void ivpu_hw_profiling_freq_drive(struct ivpu_device *vdev, bool enable)
> -{
> - if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX) {
> - vdev->hw->pll.profiling_freq = PLL_PROFILING_FREQ_DEFAULT;
> - return;
> - }
> -
> - if (enable)
> - vdev->hw->pll.profiling_freq = PLL_PROFILING_FREQ_HIGH;
> - else
> - vdev->hw->pll.profiling_freq = PLL_PROFILING_FREQ_DEFAULT;
> -}
> -
> void ivpu_irq_handlers_init(struct ivpu_device *vdev)
> {
> if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL)
> diff --git a/drivers/accel/ivpu/ivpu_hw.h b/drivers/accel/ivpu/ivpu_hw.h
> index 8c1b61df6cd4..de3dcb8e6173 100644
> --- a/drivers/accel/ivpu/ivpu_hw.h
> +++ b/drivers/accel/ivpu/ivpu_hw.h
> @@ -61,7 +61,6 @@ int ivpu_hw_power_up(struct ivpu_device *vdev);
> int ivpu_hw_power_down(struct ivpu_device *vdev);
> int ivpu_hw_reset(struct ivpu_device *vdev);
> int ivpu_hw_boot_fw(struct ivpu_device *vdev);
> -void ivpu_hw_profiling_freq_drive(struct ivpu_device *vdev, bool enable);
> void ivpu_irq_handlers_init(struct ivpu_device *vdev);
> void ivpu_hw_irq_enable(struct ivpu_device *vdev);
> void ivpu_hw_irq_disable(struct ivpu_device *vdev);
> diff --git a/drivers/accel/ivpu/ivpu_hw_btrs.c b/drivers/accel/ivpu/ivpu_hw_btrs.c
> index 840983a618ca..602d09e511e5 100644
> --- a/drivers/accel/ivpu/ivpu_hw_btrs.c
> +++ b/drivers/accel/ivpu/ivpu_hw_btrs.c
> @@ -153,7 +153,12 @@ static int info_init_lnl(struct ivpu_device *vdev)
> return ret;
>
> hw->tile_fuse = tile_fuse_config;
> - hw->pll.profiling_freq = PLL_PROFILING_FREQ_DEFAULT;
> +
> + if (ivpu_test_mode & IVPU_TEST_MODE_PROF_FREQ_HIGH)
> + hw->pll.profiling_freq = PLL_PROFILING_FREQ_HIGH;
> + else
> + hw->pll.profiling_freq = PLL_PROFILING_FREQ_DEFAULT;
> +
> hw->btrs_irq_mask = BTRS_LNL_IRQ_MASK;
>
> if (ivpu_test_mode & IVPU_TEST_MODE_FREQ_CHANGE_ENABLE)
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] accel/ivpu: Replace profiling frequency debugfs with test mode bit
2026-11-03 9:42 [PATCH] accel/ivpu: Replace profiling frequency debugfs with test mode bit Andrzej Kacprowski
2026-11-03 10:57 ` Wachowski, Karol
@ 2026-11-03 16:55 ` Jeff Hugo
2026-11-05 8:50 ` Karol Wachowski
1 sibling, 1 reply; 4+ messages in thread
From: Jeff Hugo @ 2026-11-03 16:55 UTC (permalink / raw)
To: Andrzej Kacprowski, dri-devel
Cc: oded.gabbay, karol.wachowski, lizhi.hou, dawid.osuchowski
On 11/3/2026 2:42 AM, Andrzej Kacprowski wrote:
> Remove the profiling frequency debugfs control.
> Add IVPU_TEST_MODE_PROF_FREQ_HIGH to select
> PLL_PROFILING_FREQ_HIGH during driver initialization.
> High frequency profiling is for debugging purposes
> and it can be set at initialization time - there is
> no need to control it via debugfs.
>
> Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] accel/ivpu: Replace profiling frequency debugfs with test mode bit
2026-11-03 16:55 ` Jeff Hugo
@ 2026-11-05 8:50 ` Karol Wachowski
0 siblings, 0 replies; 4+ messages in thread
From: Karol Wachowski @ 2026-11-05 8:50 UTC (permalink / raw)
To: Jeff Hugo, Andrzej Kacprowski, dri-devel
Cc: oded.gabbay, lizhi.hou, dawid.osuchowski
On 03-Nov-26 17:55, Jeff Hugo wrote:
> On 11/3/2026 2:42 AM, Andrzej Kacprowski wrote:
>> Remove the profiling frequency debugfs control.
>> Add IVPU_TEST_MODE_PROF_FREQ_HIGH to select
>> PLL_PROFILING_FREQ_HIGH during driver initialization.
>> High frequency profiling is for debugging purposes
>> and it can be set at initialization time - there is
>> no need to control it via debugfs.
>>
>> Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
> Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Thanks, applied to drm-misc-next.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2026-11-03 9:42 [PATCH] accel/ivpu: Replace profiling frequency debugfs with test mode bit Andrzej Kacprowski
2026-11-03 10:57 ` Wachowski, Karol
2026-11-03 16:55 ` Jeff Hugo
2026-11-05 8:50 ` Karol Wachowski
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