1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
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(-)
--- 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
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
return PTR_ERR(fsl_dev->state);
}
+ disable_irq(fsl_dev->irq);
+
clk_disable_unprepare(fsl_dev->clk);
return 0;
@@ -262,6 +263,12 @@ static int fsl_dcu_drm_pm_resume(struct
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;
+ }
+
if (fsl_dev->tcon)
fsl_tcon_bypass_enable(fsl_dev->tcon);
fsl_dcu_drm_init_planes(fsl_dev->drm);
@@ -388,6 +395,12 @@ static int fsl_dcu_drm_probe(struct plat
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);
|
