diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c index 6e0d56823024..19035230563d 100644 --- a/drivers/accel/ivpu/ivpu_debugfs.c +++ b/drivers/accel/ivpu/ivpu_debugfs.c @@ -14,6 +14,7 @@ #include "ivpu_fw.h" #include "ivpu_fw_log.h" #include "ivpu_gem.h" +#include "ivpu_hw.h" #include "ivpu_jsm_msg.h" #include "ivpu_pm.h" @@ -176,6 +177,30 @@ 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); + ivpu_pm_schedule_recovery(vdev); + + 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) @@ -319,4 +344,8 @@ void ivpu_debugfs_init(struct ivpu_device *vdev) debugfs_create_file("reset_engine", 0200, debugfs_root, vdev, &ivpu_reset_engine_fops); + + if (ivpu_hw_gen(vdev) >= IVPU_HW_40XX) + debugfs_create_file("fw_profiling_freq_drive", 0200, + debugfs_root, vdev, &fw_profiling_freq_fops); } diff --git a/drivers/accel/ivpu/ivpu_fw.c b/drivers/accel/ivpu/ivpu_fw.c index 4a21be3a0c59..3fd74cd4205f 100644 --- a/drivers/accel/ivpu/ivpu_fw.c +++ b/drivers/accel/ivpu/ivpu_fw.c @@ -498,6 +498,13 @@ void ivpu_fw_boot_params_setup(struct ivpu_device *vdev, struct vpu_boot_params boot_params->vpu_id = to_pci_dev(vdev->drm.dev)->bus->number; boot_params->frequency = ivpu_hw_reg_pll_freq_get(vdev); + /* + * This param is a debug firmware feature. It switches default clock + * to higher resolution one for fine-grained and more accurate firmware + * task profiling. + */ + boot_params->perf_clk_frequency = ivpu_hw_profiling_freq_get(vdev); + /* * Uncached region of VPU address space, covers IPC buffers, job queues * and log buffers, programmable to L2$ Uncached by VPU MTRR diff --git a/drivers/accel/ivpu/ivpu_hw.h b/drivers/accel/ivpu/ivpu_hw.h index b7694b1cbc02..aa52e5c29a65 100644 --- a/drivers/accel/ivpu/ivpu_hw.h +++ b/drivers/accel/ivpu/ivpu_hw.h @@ -17,6 +17,8 @@ struct ivpu_hw_ops { int (*wait_for_idle)(struct ivpu_device *vdev); void (*wdt_disable)(struct ivpu_device *vdev); void (*diagnose_failure)(struct ivpu_device *vdev); + u32 (*profiling_freq_get)(struct ivpu_device *vdev); + void (*profiling_freq_drive)(struct ivpu_device *vdev, bool enable); u32 (*reg_pll_freq_get)(struct ivpu_device *vdev); u32 (*reg_telemetry_offset_get)(struct ivpu_device *vdev); u32 (*reg_telemetry_size_get)(struct ivpu_device *vdev); @@ -104,6 +106,16 @@ static inline void ivpu_hw_wdt_disable(struct ivpu_device *vdev) vdev->hw->ops->wdt_disable(vdev); }; +static inline u32 ivpu_hw_profiling_freq_get(struct ivpu_device *vdev) +{ + return vdev->hw->ops->profiling_freq_get(vdev); +}; + +static inline void ivpu_hw_profiling_freq_drive(struct ivpu_device *vdev, bool enable) +{ + return vdev->hw->ops->profiling_freq_drive(vdev, enable); +}; + /* Register indirect accesses */ static inline u32 ivpu_hw_reg_pll_freq_get(struct ivpu_device *vdev) { diff --git a/drivers/accel/ivpu/ivpu_hw_37xx.c b/drivers/accel/ivpu/ivpu_hw_37xx.c index 1c8c5715095b..81f81046d39a 100644 --- a/drivers/accel/ivpu/ivpu_hw_37xx.c +++ b/drivers/accel/ivpu/ivpu_hw_37xx.c @@ -29,6 +29,7 @@ #define PLL_REF_CLK_FREQ (50 * 1000000) #define PLL_SIMULATION_FREQ (10 * 1000000) +#define PLL_PROF_CLK_FREQ (38400 * 1000) #define PLL_DEFAULT_EPP_VALUE 0x80 #define TIM_SAFE_ENABLE 0xf1d0dead @@ -769,6 +770,16 @@ static void ivpu_hw_37xx_wdt_disable(struct ivpu_device *vdev) REGV_WR32(VPU_37XX_CPU_SS_TIM_GEN_CONFIG, val); } +static u32 ivpu_hw_37xx_profiling_freq_get(struct ivpu_device *vdev) +{ + return PLL_PROF_CLK_FREQ; +} + +static void ivpu_hw_37xx_profiling_freq_drive(struct ivpu_device *vdev, bool enable) +{ + /* Profiling freq - is a debug feature. Unavailable on VPU 37XX. */ +} + static u32 ivpu_hw_37xx_pll_to_freq(u32 ratio, u32 config) { u32 pll_clock = PLL_REF_CLK_FREQ * ratio; @@ -1012,6 +1023,8 @@ const struct ivpu_hw_ops ivpu_hw_37xx_ops = { .boot_fw = ivpu_hw_37xx_boot_fw, .wdt_disable = ivpu_hw_37xx_wdt_disable, .diagnose_failure = ivpu_hw_37xx_diagnose_failure, + .profiling_freq_get = ivpu_hw_37xx_profiling_freq_get, + .profiling_freq_drive = ivpu_hw_37xx_profiling_freq_drive, .reg_pll_freq_get = ivpu_hw_37xx_reg_pll_freq_get, .reg_telemetry_offset_get = ivpu_hw_37xx_reg_telemetry_offset_get, .reg_telemetry_size_get = ivpu_hw_37xx_reg_telemetry_size_get, diff --git a/drivers/accel/ivpu/ivpu_hw_40xx.c b/drivers/accel/ivpu/ivpu_hw_40xx.c index 6a9672f650d1..a779b905f8b1 100644 --- a/drivers/accel/ivpu/ivpu_hw_40xx.c +++ b/drivers/accel/ivpu/ivpu_hw_40xx.c @@ -931,6 +931,19 @@ static void ivpu_hw_40xx_wdt_disable(struct ivpu_device *vdev) REGV_WR32(VPU_40XX_CPU_SS_TIM_GEN_CONFIG, val); } +static u32 ivpu_hw_40xx_profiling_freq_get(struct ivpu_device *vdev) +{ + return vdev->hw->pll.profiling_freq; +} + +static void ivpu_hw_40xx_profiling_freq_drive(struct ivpu_device *vdev, bool enable) +{ + if (enable) + vdev->hw->pll.profiling_freq = PLL_PROFILING_FREQ_HIGH; + else + vdev->hw->pll.profiling_freq = PLL_PROFILING_FREQ_DEFAULT; +} + /* Register indirect accesses */ static u32 ivpu_hw_40xx_reg_pll_freq_get(struct ivpu_device *vdev) { @@ -1182,6 +1195,8 @@ const struct ivpu_hw_ops ivpu_hw_40xx_ops = { .boot_fw = ivpu_hw_40xx_boot_fw, .wdt_disable = ivpu_hw_40xx_wdt_disable, .diagnose_failure = ivpu_hw_40xx_diagnose_failure, + .profiling_freq_get = ivpu_hw_40xx_profiling_freq_get, + .profiling_freq_drive = ivpu_hw_40xx_profiling_freq_drive, .reg_pll_freq_get = ivpu_hw_40xx_reg_pll_freq_get, .reg_telemetry_offset_get = ivpu_hw_40xx_reg_telemetry_offset_get, .reg_telemetry_size_get = ivpu_hw_40xx_reg_telemetry_size_get,