Use the always-on counter provided by the GMU to skip having to keep the GPU online. Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 8707e8b6ac7e..d2a999b90589 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1664,12 +1664,9 @@ static int a6xx_get_timestamp(struct msm_gpu *gpu, uint64_t *value) mutex_lock(&a6xx_gpu->gmu.lock); - /* Force the GPU power on so we can read this register */ - a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_PERFCOUNTER_SET); - - *value = gpu_read64(gpu, REG_A6XX_CP_ALWAYS_ON_COUNTER); - - a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_PERFCOUNTER_SET); + *value = gmu_read64(&a6xx_gpu->gmu, + REG_A6XX_GMU_ALWAYS_ON_COUNTER_L, + REG_A6XX_GMU_ALWAYS_ON_COUNTER_H); mutex_unlock(&a6xx_gpu->gmu.lock); -- 2.40.1
