diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a6xx_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index c629f742a1d1..631257c297fd 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -7,6 +7,8 @@ #include "a6xx_gpu.h" #include "a6xx_gmu.xml.h" +#include <linux/devfreq.h> + static inline bool _a6xx_check_idle(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); @@ -438,10 +440,8 @@ static int a6xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A6XX_CP_PROTECT(22), A6XX_PROTECT_RW(0x900, 0x4d)); gpu_write(gpu, REG_A6XX_CP_PROTECT(23), A6XX_PROTECT_RW(0x98d, 0x76)); gpu_write(gpu, REG_A6XX_CP_PROTECT(24), - A6XX_PROTECT_RDONLY(0x8d0, 0x23)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(25), A6XX_PROTECT_RDONLY(0x980, 0x4)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(26), A6XX_PROTECT_RW(0xa630, 0x0)); + gpu_write(gpu, REG_A6XX_CP_PROTECT(25), A6XX_PROTECT_RW(0xa630, 0x0)); /* Enable interrupts */ gpu_write(gpu, REG_A6XX_RBBM_INT_0_MASK, A6XX_INT_MASK); @@ -682,6 +682,8 @@ static int a6xx_pm_resume(struct msm_gpu *gpu) gpu->needs_hw_init = true; + msm_gpu_resume_devfreq(gpu); + return ret; } @@ -690,6 +692,8 @@ static int a6xx_pm_suspend(struct msm_gpu *gpu) struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); + devfreq_suspend_device(gpu->devfreq.devfreq); + /* * Make sure the GMU is idle before continuing (because some transitions * may use VBIF @@ -744,7 +748,7 @@ static void a6xx_destroy(struct msm_gpu *gpu) if (a6xx_gpu->sqe_bo) { if (a6xx_gpu->sqe_iova) msm_gem_put_iova(a6xx_gpu->sqe_bo, gpu->aspace); - drm_gem_object_unreference_unlocked(a6xx_gpu->sqe_bo); + drm_gem_object_put_unlocked(a6xx_gpu->sqe_bo); } a6xx_gmu_remove(a6xx_gpu); @@ -753,6 +757,27 @@ static void a6xx_destroy(struct msm_gpu *gpu) kfree(a6xx_gpu); } +static unsigned long a6xx_gpu_busy(struct msm_gpu *gpu) +{ + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); + u64 busy_cycles, busy_time; + + busy_cycles = gmu_read64(&a6xx_gpu->gmu, + REG_A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_0_L, + REG_A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_0_H); + + busy_time = (busy_cycles - gpu->devfreq.busy_cycles) * 10; + do_div(busy_time, 192); + + gpu->devfreq.busy_cycles = busy_cycles; + + if (WARN_ON(busy_time > ~0LU)) + return ~0LU; + + return (unsigned long)busy_time; +} + static const struct adreno_gpu_funcs funcs = { .base = { .get_param = adreno_get_param, @@ -768,6 +793,9 @@ static const struct adreno_gpu_funcs funcs = { #if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP) .show = a6xx_show, #endif + .gpu_busy = a6xx_gpu_busy, + .gpu_get_freq = a6xx_gmu_get_freq, + .gpu_set_freq = a6xx_gmu_set_freq, }, .get_timestamp = a6xx_get_timestamp, }; @@ -799,7 +827,7 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev) } /* Check if there is a GMU phandle and set it up */ - node = of_parse_phandle(pdev->dev.of_node, "gmu", 0); + node = of_parse_phandle(pdev->dev.of_node, "qcom,gmu", 0); /* FIXME: How do we gracefully handle this? */ BUG_ON(!node); |