diff options
Diffstat (limited to 'drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c index f2a9c1b..f80c116 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c @@ -331,10 +331,21 @@ static int fsl_dcu_drm_probe(struct platform_device *pdev) return ret; } + fsl_dev->pix_clk = devm_clk_get(dev, "pix"); + if (IS_ERR(fsl_dev->pix_clk)) { + /* legancy binding, use dcu clock as pixel clock */ + fsl_dev->pix_clk = fsl_dev->clk; + } + ret = clk_prepare_enable(fsl_dev->pix_clk); + if (ret < 0) { + dev_err(dev, "failed to enable pix clk\n"); + goto disable_clk; + } + drm = drm_dev_alloc(driver, dev); if (!drm) { ret = -ENOMEM; - goto disable_clk; + goto disable_pix_clk; } fsl_dev->dev = dev; @@ -355,6 +366,8 @@ static int fsl_dcu_drm_probe(struct platform_device *pdev) unref: drm_dev_unref(drm); +disable_pix_clk: + clk_disable_unprepare(fsl_dev->pix_clk); disable_clk: clk_disable_unprepare(fsl_dev->clk); return ret; @@ -365,6 +378,7 @@ static int fsl_dcu_drm_remove(struct platform_device *pdev) struct fsl_dcu_drm_device *fsl_dev = platform_get_drvdata(pdev); clk_disable_unprepare(fsl_dev->clk); + clk_disable_unprepare(fsl_dev->pix_clk); drm_put_dev(fsl_dev->drm); return 0; |