tree: git://anongit.freedesktop.org/drm-intel topic/drm-misc
head: 5ee4c8f064719f5c62ea53f304845f75f87f2804
commit: d25bcfb8c2e18b9b36f037f38be4d4792ebf8d57 [10/25] drm/hisilicon: Don't
set drm_device->platformdev
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
reproduce:
wget
https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross
-O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout d25bcfb8c2e18b9b36f037f38be4d4792ebf8d57
# save the attached .config to linux build tree
make.cross ARCH=arm64
All error/warnings (new ones prefixed by >>):
In file included from include/linux/list.h:8:0,
from include/linux/kobject.h:20,
from include/linux/device.h:17,
from include/linux/of_platform.h:14,
from drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c:18:
drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c: In function
'kirin_drm_kms_init':
include/linux/kernel.h:831:48: error: initialization from incompatible
pointer type [-Werror=incompatible-pointer-types]
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
^
>> include/linux/platform_device.h:43:31: note: in expansion of macro
>> 'container_of'
#define to_platform_device(x) container_of((x), struct platform_device, dev)
^
>> drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c:106:21: note: in expansion
>> of macro 'to_platform_device'
ret = dc_ops->init(to_platform_device(dev));
^
>> drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c:140:18: error: passing
>> argument 1 of 'dc_ops->cleanup' from incompatible pointer type
>> [-Werror=incompatible-pointer-types]
dc_ops->cleanup(dev);
^
drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c:140:18: note: expected
'struct platform_device *' but argument is of type 'struct drm_device *'
cc1: some warnings being treated as errors
--
drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c: In function 'ade_drm_init':
>> drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c:994:52: error: 'dev'
>> undeclared (first use in this function)
struct drm_device *drm_dev = platform_get_drvdata(dev);
^
drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c:994:52: note: each
undeclared identifier is reported only once for each function it appears in
>> drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c:994:21: warning: unused
>> variable 'drm_dev' [-Wunused-variable]
struct drm_device *drm_dev = platform_get_drvdata(dev);
^
drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c: In function
'ade_drm_cleanup':
drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c:1055:52: error: 'dev'
undeclared (first use in this function)
struct drm_device *drm_dev = platform_get_drvdata(dev);
^
drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c:1055:21: warning: unused
variable 'drm_dev' [-Wunused-variable]
struct drm_device *drm_dev = platform_get_drvdata(dev);
^
drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c: At top level:
>> drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c:1065:1: error: expected '}'
>> before ';' token
;
^
vim +140 drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
23e7b2ab9 Xinliang Liu 2015-10-09 12 * This program is free software; you
can redistribute it and/or modify
23e7b2ab9 Xinliang Liu 2015-10-09 13 * it under the terms of the GNU
General Public License version 2 as
23e7b2ab9 Xinliang Liu 2015-10-09 14 * published by the Free Software
Foundation.
23e7b2ab9 Xinliang Liu 2015-10-09 15 *
23e7b2ab9 Xinliang Liu 2015-10-09 16 */
23e7b2ab9 Xinliang Liu 2015-10-09 17
23e7b2ab9 Xinliang Liu 2015-10-09 @18 #include <linux/of_platform.h>
23e7b2ab9 Xinliang Liu 2015-10-09 19 #include <linux/component.h>
23e7b2ab9 Xinliang Liu 2015-10-09 20 #include <linux/of_graph.h>
23e7b2ab9 Xinliang Liu 2015-10-09 21
23e7b2ab9 Xinliang Liu 2015-10-09 22 #include <drm/drmP.h>
23e7b2ab9 Xinliang Liu 2015-10-09 23 #include <drm/drm_gem_cma_helper.h>
23e7b2ab9 Xinliang Liu 2015-10-09 24 #include <drm/drm_fb_cma_helper.h>
23e7b2ab9 Xinliang Liu 2015-10-09 25 #include <drm/drm_atomic_helper.h>
6b7a59654 Xinliang Liu 2015-10-10 26 #include <drm/drm_crtc_helper.h>
23e7b2ab9 Xinliang Liu 2015-10-09 27
23e7b2ab9 Xinliang Liu 2015-10-09 28 #include "kirin_drm_drv.h"
23e7b2ab9 Xinliang Liu 2015-10-09 29
23e7b2ab9 Xinliang Liu 2015-10-09 30 static struct kirin_dc_ops *dc_ops;
23e7b2ab9 Xinliang Liu 2015-10-09 31
23e7b2ab9 Xinliang Liu 2015-10-09 32 static int
kirin_drm_kms_cleanup(struct drm_device *dev)
23e7b2ab9 Xinliang Liu 2015-10-09 33 {
783ad972c Xinliang Liu 2015-10-10 34 struct kirin_drm_private *priv
= dev->dev_private;
783ad972c Xinliang Liu 2015-10-10 35
6b7a59654 Xinliang Liu 2015-10-10 36 #ifdef CONFIG_DRM_FBDEV_EMULATION
6b7a59654 Xinliang Liu 2015-10-10 37 if (priv->fbdev) {
6b7a59654 Xinliang Liu 2015-10-10 38
drm_fbdev_cma_fini(priv->fbdev);
6b7a59654 Xinliang Liu 2015-10-10 39 priv->fbdev = NULL;
6b7a59654 Xinliang Liu 2015-10-10 40 }
6b7a59654 Xinliang Liu 2015-10-10 41 #endif
6b7a59654 Xinliang Liu 2015-10-10 42 drm_kms_helper_poll_fini(dev);
bc4611e80 Xinliang Liu 2015-10-10 43 drm_vblank_cleanup(dev);
d25bcfb8c Daniel Vetter 2016-08-12 44
dc_ops->cleanup(to_platform_device(dev->dev));
23e7b2ab9 Xinliang Liu 2015-10-09 45 drm_mode_config_cleanup(dev);
783ad972c Xinliang Liu 2015-10-10 46 devm_kfree(dev->dev, priv);
783ad972c Xinliang Liu 2015-10-10 47 dev->dev_private = NULL;
23e7b2ab9 Xinliang Liu 2015-10-09 48
23e7b2ab9 Xinliang Liu 2015-10-09 49 return 0;
23e7b2ab9 Xinliang Liu 2015-10-09 50 }
23e7b2ab9 Xinliang Liu 2015-10-09 51
6b7a59654 Xinliang Liu 2015-10-10 52 #ifdef CONFIG_DRM_FBDEV_EMULATION
6b7a59654 Xinliang Liu 2015-10-10 53 static void
kirin_fbdev_output_poll_changed(struct drm_device *dev)
6b7a59654 Xinliang Liu 2015-10-10 54 {
6b7a59654 Xinliang Liu 2015-10-10 55 struct kirin_drm_private *priv
= dev->dev_private;
6b7a59654 Xinliang Liu 2015-10-10 56
6b7a59654 Xinliang Liu 2015-10-10 57 if (priv->fbdev) {
6b7a59654 Xinliang Liu 2015-10-10 58
drm_fbdev_cma_hotplug_event(priv->fbdev);
6b7a59654 Xinliang Liu 2015-10-10 59 } else {
6b7a59654 Xinliang Liu 2015-10-10 60 priv->fbdev =
drm_fbdev_cma_init(dev, 32,
6b7a59654 Xinliang Liu 2015-10-10 61
dev->mode_config.num_crtc,
6b7a59654 Xinliang Liu 2015-10-10 62
dev->mode_config.num_connector);
6b7a59654 Xinliang Liu 2015-10-10 63 if (IS_ERR(priv->fbdev))
6b7a59654 Xinliang Liu 2015-10-10 64 priv->fbdev =
NULL;
6b7a59654 Xinliang Liu 2015-10-10 65 }
6b7a59654 Xinliang Liu 2015-10-10 66 }
6b7a59654 Xinliang Liu 2015-10-10 67 #endif
6b7a59654 Xinliang Liu 2015-10-10 68
23e7b2ab9 Xinliang Liu 2015-10-09 69 static const struct
drm_mode_config_funcs kirin_drm_mode_config_funcs = {
23e7b2ab9 Xinliang Liu 2015-10-09 70 .fb_create = drm_fb_cma_create,
6b7a59654 Xinliang Liu 2015-10-10 71 #ifdef CONFIG_DRM_FBDEV_EMULATION
6b7a59654 Xinliang Liu 2015-10-10 72 .output_poll_changed =
kirin_fbdev_output_poll_changed,
6b7a59654 Xinliang Liu 2015-10-10 73 #endif
23e7b2ab9 Xinliang Liu 2015-10-09 74 .atomic_check =
drm_atomic_helper_check,
23e7b2ab9 Xinliang Liu 2015-10-09 75 .atomic_commit =
drm_atomic_helper_commit,
23e7b2ab9 Xinliang Liu 2015-10-09 76 };
23e7b2ab9 Xinliang Liu 2015-10-09 77
23e7b2ab9 Xinliang Liu 2015-10-09 78 static void
kirin_drm_mode_config_init(struct drm_device *dev)
23e7b2ab9 Xinliang Liu 2015-10-09 79 {
23e7b2ab9 Xinliang Liu 2015-10-09 80 dev->mode_config.min_width = 0;
23e7b2ab9 Xinliang Liu 2015-10-09 81 dev->mode_config.min_height = 0;
23e7b2ab9 Xinliang Liu 2015-10-09 82
23e7b2ab9 Xinliang Liu 2015-10-09 83 dev->mode_config.max_width =
2048;
23e7b2ab9 Xinliang Liu 2015-10-09 84 dev->mode_config.max_height =
2048;
23e7b2ab9 Xinliang Liu 2015-10-09 85
23e7b2ab9 Xinliang Liu 2015-10-09 86 dev->mode_config.funcs =
&kirin_drm_mode_config_funcs;
23e7b2ab9 Xinliang Liu 2015-10-09 87 }
23e7b2ab9 Xinliang Liu 2015-10-09 88
23e7b2ab9 Xinliang Liu 2015-10-09 89 static int kirin_drm_kms_init(struct
drm_device *dev)
23e7b2ab9 Xinliang Liu 2015-10-09 90 {
783ad972c Xinliang Liu 2015-10-10 91 struct kirin_drm_private *priv;
23e7b2ab9 Xinliang Liu 2015-10-09 92 int ret;
23e7b2ab9 Xinliang Liu 2015-10-09 93
783ad972c Xinliang Liu 2015-10-10 94 priv = devm_kzalloc(dev->dev,
sizeof(*priv), GFP_KERNEL);
783ad972c Xinliang Liu 2015-10-10 95 if (!priv)
783ad972c Xinliang Liu 2015-10-10 96 return -ENOMEM;
783ad972c Xinliang Liu 2015-10-10 97
783ad972c Xinliang Liu 2015-10-10 98 dev->dev_private = priv;
23e7b2ab9 Xinliang Liu 2015-10-09 99 dev_set_drvdata(dev->dev, dev);
23e7b2ab9 Xinliang Liu 2015-10-09 100
23e7b2ab9 Xinliang Liu 2015-10-09 101 /* dev->mode_config
initialization */
23e7b2ab9 Xinliang Liu 2015-10-09 102 drm_mode_config_init(dev);
23e7b2ab9 Xinliang Liu 2015-10-09 103 kirin_drm_mode_config_init(dev);
23e7b2ab9 Xinliang Liu 2015-10-09 104
23e7b2ab9 Xinliang Liu 2015-10-09 105 /* display controller init */
d25bcfb8c Daniel Vetter 2016-08-12 @106 ret =
dc_ops->init(to_platform_device(dev));
23e7b2ab9 Xinliang Liu 2015-10-09 107 if (ret)
23e7b2ab9 Xinliang Liu 2015-10-09 108 goto
err_mode_config_cleanup;
23e7b2ab9 Xinliang Liu 2015-10-09 109
23e7b2ab9 Xinliang Liu 2015-10-09 110 /* bind and init sub drivers */
23e7b2ab9 Xinliang Liu 2015-10-09 111 ret =
component_bind_all(dev->dev, dev);
23e7b2ab9 Xinliang Liu 2015-10-09 112 if (ret) {
23e7b2ab9 Xinliang Liu 2015-10-09 113 DRM_ERROR("failed to
bind all component.\n");
23e7b2ab9 Xinliang Liu 2015-10-09 114 goto err_dc_cleanup;
23e7b2ab9 Xinliang Liu 2015-10-09 115 }
23e7b2ab9 Xinliang Liu 2015-10-09 116
bc4611e80 Xinliang Liu 2015-10-10 117 /* vblank init */
bc4611e80 Xinliang Liu 2015-10-10 118 ret = drm_vblank_init(dev,
dev->mode_config.num_crtc);
bc4611e80 Xinliang Liu 2015-10-10 119 if (ret) {
bc4611e80 Xinliang Liu 2015-10-10 120 DRM_ERROR("failed to
initialize vblank.\n");
bc4611e80 Xinliang Liu 2015-10-10 121 goto err_unbind_all;
bc4611e80 Xinliang Liu 2015-10-10 122 }
bc4611e80 Xinliang Liu 2015-10-10 123 /* with irq_enabled = true, we
can use the vblank feature. */
bc4611e80 Xinliang Liu 2015-10-10 124 dev->irq_enabled = true;
bc4611e80 Xinliang Liu 2015-10-10 125
23e7b2ab9 Xinliang Liu 2015-10-09 126 /* reset all the states of
crtc/plane/encoder/connector */
23e7b2ab9 Xinliang Liu 2015-10-09 127 drm_mode_config_reset(dev);
23e7b2ab9 Xinliang Liu 2015-10-09 128
6b7a59654 Xinliang Liu 2015-10-10 129 /* init kms poll for handling
hpd */
6b7a59654 Xinliang Liu 2015-10-10 130 drm_kms_helper_poll_init(dev);
6b7a59654 Xinliang Liu 2015-10-10 131
6b7a59654 Xinliang Liu 2015-10-10 132 /* force detection after
connectors init */
6b7a59654 Xinliang Liu 2015-10-10 133
(void)drm_helper_hpd_irq_event(dev);
6b7a59654 Xinliang Liu 2015-10-10 134
23e7b2ab9 Xinliang Liu 2015-10-09 135 return 0;
23e7b2ab9 Xinliang Liu 2015-10-09 136
bc4611e80 Xinliang Liu 2015-10-10 137 err_unbind_all:
bc4611e80 Xinliang Liu 2015-10-10 138 component_unbind_all(dev->dev,
dev);
23e7b2ab9 Xinliang Liu 2015-10-09 139 err_dc_cleanup:
23e7b2ab9 Xinliang Liu 2015-10-09 @140 dc_ops->cleanup(dev);
23e7b2ab9 Xinliang Liu 2015-10-09 141 err_mode_config_cleanup:
23e7b2ab9 Xinliang Liu 2015-10-09 142 drm_mode_config_cleanup(dev);
783ad972c Xinliang Liu 2015-10-10 143 devm_kfree(dev->dev, priv);
:::::: The code at line 140 was first introduced by commit
:::::: 23e7b2ab9a8ff5653e8140248a494c3f3171dce3 drm/hisilicon: Add hisilicon
kirin drm master driver
:::::: TO: Xinliang Liu <xinliang.liu at linaro.org>
:::::: CC: Xinliang Liu <xinliang.liu at linaro.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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