diff options
Diffstat (limited to 'drivers/gpu/arm/midgard/backend/gpu/mali_kbase_devfreq.c')
| -rw-r--r-- | drivers/gpu/arm/midgard/backend/gpu/mali_kbase_devfreq.c | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_devfreq.c b/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_devfreq.c index 683a24cfa6c6..0544a009f5fa 100644 --- a/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_devfreq.c +++ b/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_devfreq.c @@ -48,6 +48,11 @@ #define dev_pm_opp_find_freq_floor opp_find_freq_floor #endif /* Linux >= 3.13 */ +#ifdef CONFIG_ARM_SCMI_PROTOCOL +#include <linux/scmi_protocol.h> +extern int scmi_gpu_domain_id_get(void); +#endif + /** * opp_translate - Translate nominal OPP frequency from devicetree into real * frequency and core mask @@ -130,7 +135,14 @@ kbase_devfreq_target(struct device *dev, unsigned long *target_freq, u32 flags) } #endif - err = clk_set_rate(kbdev->clock, freq); + if (kbdev->clock) + err = clk_set_rate(kbdev->clock, freq); +#ifdef CONFIG_ARM_SCMI_PROTOCOL + else if(kbdev->scmi_handle) + err = kbdev->scmi_handle->perf_ops->freq_set(kbdev->scmi_handle, + scmi_gpu_domain_id_get(), freq); +#endif + if (err) { dev_err(dev, "Failed to set clock %lu (target %lu)\n", freq, *target_freq); @@ -336,12 +348,28 @@ int kbase_devfreq_init(struct kbase_device *kbdev) struct devfreq_dev_profile *dp; int err; - if (!kbdev->clock) { +#ifdef CONFIG_ARM_SCMI_PROTOCOL + if (!kbdev->scmi_handle) { +#else + if (!kbdev->clock) { +#endif dev_err(kbdev->dev, "Clock not available for devfreq\n"); - return -ENODEV; - } + return -ENODEV; + } + +#ifndef CONFIG_ARM_SCMI_PROTOCOL + if (kbdev->clock) + kbdev->current_freq = clk_get_rate(kbdev->clock); +#else + if (kbdev->scmi_handle) { + struct scmi_perf_ops *perf_ops = kbdev->scmi_handle->perf_ops; + + perf_ops->freq_get(kbdev->scmi_handle, + scmi_gpu_domain_id_get(), + &kbdev->current_freq); + } +#endif - kbdev->current_freq = clk_get_rate(kbdev->clock); kbdev->current_nominal_freq = kbdev->current_freq; dp = &kbdev->devfreq_profile; |