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 | 18 |
1 files changed, 16 insertions, 2 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 cc2fde2..54f60ba 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c @@ -225,7 +225,6 @@ static int fsl_dcu_drm_pm_suspend(struct device *dev) if (!fsl_dev) return 0; - disable_irq(fsl_dev->irq); drm_kms_helper_poll_disable(fsl_dev->drm); console_lock(); @@ -243,6 +242,8 @@ static int fsl_dcu_drm_pm_suspend(struct device *dev) return PTR_ERR(fsl_dev->state); } + disable_irq(fsl_dev->irq); + clk_disable_unprepare(fsl_dev->pix_clk); clk_disable_unprepare(fsl_dev->clk); @@ -263,6 +264,14 @@ static int fsl_dcu_drm_pm_resume(struct device *dev) return ret; } + ret = clk_prepare_enable(fsl_dev->pix_clk); + if (ret < 0) { + dev_err(dev, "failed to enable dcu pix clk\n"); + return ret; + } + + enable_irq(fsl_dev->irq); + if (fsl_dev->tcon) fsl_tcon_bypass_enable(fsl_dev->tcon); fsl_dcu_drm_init_planes(fsl_dev->drm); @@ -273,7 +282,6 @@ static int fsl_dcu_drm_pm_resume(struct device *dev) console_unlock(); drm_kms_helper_poll_enable(fsl_dev->drm); - enable_irq(fsl_dev->irq); return 0; } @@ -389,6 +397,12 @@ static int fsl_dcu_drm_probe(struct platform_device *pdev) goto disable_clk; } + ret = clk_prepare_enable(fsl_dev->pix_clk); + if (ret < 0) { + dev_err(dev, "failed to enable dcu pix clk\n"); + return ret; + } + fsl_dev->tcon = fsl_tcon_init(dev); drm = drm_dev_alloc(driver, dev); |