diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.9/807-gpu-support-layerscape.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.9/807-gpu-support-layerscape.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.9/807-gpu-support-layerscape.patch b/target/linux/layerscape/patches-4.9/807-gpu-support-layerscape.patch new file mode 100644 index 0000000000..8321d392aa --- /dev/null +++ b/target/linux/layerscape/patches-4.9/807-gpu-support-layerscape.patch @@ -0,0 +1,73 @@ +From 4278a546526094dd57bfa3cf7ae2bf34092246db Mon Sep 17 00:00:00 2001 +From: Yangbo Lu <yangbo.lu@nxp.com> +Date: Mon, 25 Sep 2017 12:10:01 +0800 +Subject: [PATCH] gpu: support layerscape + +This is a integrated patch for layerscape dcu support. + +Signed-off-by: Alison Wang <b18965@freescale.com> +Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> +--- + drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 18 ++++++++++++++++-- + 1 file 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 cc2fde2a..54f60ba1 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); +-- +2.14.1 + |