diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_g2d.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index eddea49..b31356e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -808,17 +808,8 @@ static void g2d_dma_start(struct g2d_data *g2d, int ret; ret = pm_runtime_get_sync(g2d->dev); - if (ret < 0) { - dev_warn(g2d->dev, "failed pm power on.\n"); - return; - } - - ret = clk_prepare_enable(g2d->gate_clk); - if (ret < 0) { - dev_warn(g2d->dev, "failed to enable clock.\n"); - pm_runtime_put_sync(g2d->dev); + if (ret < 0) return; - } writel_relaxed(node->dma_addr, g2d->regs + G2D_DMA_SFR_BASE_ADDR); writel_relaxed(G2D_DMA_START, g2d->regs + G2D_DMA_COMMAND); @@ -871,7 +862,6 @@ static void g2d_runqueue_worker(struct work_struct *work) runqueue_work); mutex_lock(&g2d->runqueue_mutex); - clk_disable_unprepare(g2d->gate_clk); pm_runtime_put_sync(g2d->dev); complete(&g2d->runqueue_node->complete); @@ -1524,7 +1514,33 @@ static int g2d_resume(struct device *dev) } #endif -static SIMPLE_DEV_PM_OPS(g2d_pm_ops, g2d_suspend, g2d_resume); +#ifdef CONFIG_PM_RUNTIME +static int g2d_runtime_suspend(struct device *dev) +{ + struct g2d_data *g2d = dev_get_drvdata(dev); + + clk_disable_unprepare(g2d->gate_clk); + + return 0; +} + +static int g2d_runtime_resume(struct device *dev) +{ + struct g2d_data *g2d = dev_get_drvdata(dev); + int ret; + + ret = clk_prepare_enable(g2d->gate_clk); + if (ret < 0) + dev_warn(dev, "failed to enable clock.\n"); + + return ret; +} +#endif + +static const struct dev_pm_ops g2d_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(g2d_suspend, g2d_resume) + SET_RUNTIME_PM_OPS(g2d_runtime_suspend, g2d_runtime_resume, NULL) +}; #ifdef CONFIG_OF static const struct of_device_id exynos_g2d_match[] = { |