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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.patch73
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
+