[PATCH v10 1/4] drm/kms_helper: Add a common place to call init and exit functions.
On Thu, Jan 21, 2016 at 03:10:18PM -0800, Rafael Antognolli wrote:
> The module_init and module_exit functions will start here, and call the
> subsequent init's and exit's.
>
> v10:
> - Keep __init on drm_fb_helper init function.
> - Move MODULE_* macros to the common file.
>
> Signed-off-by: Rafael Antognolli
Looks all right to me.
Reviewed-by: Ville Syrjälä
> ---
> drivers/gpu/drm/Makefile| 4 ++-
> drivers/gpu/drm/drm_crtc_helper.c | 3 ---
> drivers/gpu/drm/drm_fb_helper.c | 9 +++
> drivers/gpu/drm/drm_kms_helper_common.c | 47
> +
> include/drm/drm_fb_helper.h | 6 +
> 5 files changed, 60 insertions(+), 9 deletions(-)
> create mode 100644 drivers/gpu/drm/drm_kms_helper_common.c
>
> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
> index f858aa2..dfe513f 100644
> --- a/drivers/gpu/drm/Makefile
> +++ b/drivers/gpu/drm/Makefile
> @@ -24,7 +24,9 @@ drm-$(CONFIG_AGP) += drm_agpsupport.o
> drm-y += $(drm-m)
>
> drm_kms_helper-y := drm_crtc_helper.o drm_dp_helper.o drm_probe_helper.o \
> - drm_plane_helper.o drm_dp_mst_topology.o drm_atomic_helper.o
> + drm_plane_helper.o drm_dp_mst_topology.o drm_atomic_helper.o \
> + drm_kms_helper_common.o
> +
> drm_kms_helper-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o
> drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += drm_fb_helper.o
> drm_kms_helper-$(CONFIG_DRM_KMS_CMA_HELPER) += drm_fb_cma_helper.o
> diff --git a/drivers/gpu/drm/drm_crtc_helper.c
> b/drivers/gpu/drm/drm_crtc_helper.c
> index 5d4bc64..baac181 100644
> --- a/drivers/gpu/drm/drm_crtc_helper.c
> +++ b/drivers/gpu/drm/drm_crtc_helper.c
> @@ -73,9 +73,6 @@
> * _crtc_helper_funcs, struct _encoder_helper_funcs and struct
> * _connector_helper_funcs.
> */
> -MODULE_AUTHOR("David Airlie, Jesse Barnes");
> -MODULE_DESCRIPTION("DRM KMS helper");
> -MODULE_LICENSE("GPL and additional rights");
>
> /**
> * drm_helper_move_panel_connectors_to_head() - move panels to the front in
> the
> diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
> index 1e103c4..c27b964 100644
> --- a/drivers/gpu/drm/drm_fb_helper.c
> +++ b/drivers/gpu/drm/drm_fb_helper.c
> @@ -2175,9 +2175,9 @@ EXPORT_SYMBOL(drm_fb_helper_hotplug_event);
> * but the module doesn't depend on any fb console symbols. At least
> * attempt to load fbcon to avoid leaving the system without a usable
> console.
> */
> -#if defined(CONFIG_FRAMEBUFFER_CONSOLE_MODULE) && !defined(CONFIG_EXPERT)
> -static int __init drm_fb_helper_modinit(void)
> +int __init drm_fb_helper_modinit(void)
> {
> +#if defined(CONFIG_FRAMEBUFFER_CONSOLE_MODULE) && !defined(CONFIG_EXPERT)
> const char *name = "fbcon";
> struct module *fbcon;
>
> @@ -2187,8 +2187,7 @@ static int __init drm_fb_helper_modinit(void)
>
> if (!fbcon)
> request_module_nowait(name);
> +#endif
> return 0;
> }
> -
> -module_init(drm_fb_helper_modinit);
> -#endif
> +EXPORT_SYMBOL(drm_fb_helper_modinit);
> diff --git a/drivers/gpu/drm/drm_kms_helper_common.c
> b/drivers/gpu/drm/drm_kms_helper_common.c
> new file mode 100644
> index 000..d361005
> --- /dev/null
> +++ b/drivers/gpu/drm/drm_kms_helper_common.c
> @@ -0,0 +1,47 @@
> +/*
> + * Copyright © 2015 Intel Corporation
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> DEALINGS
> + * IN THE SOFTWARE.
> + *
> + * Authors:
> + *Rafael Antognolli
> + *
> + */
> +
> +#include
> +#include
> +
> +MODULE_AUTHOR("David Airlie, Jesse Barnes");
> +MODULE_DESCRIPTION("DRM KMS helper");
> +MODULE_LICENSE("GPL and additional rights");
> +
> +static int __init drm_kms_helper_init(void)
> +{
> + /* Call init functions from specific kms helpers here */
> + return drm_fb_helper_modinit();
> +}
> +
> +static void __exit
[PATCH v10 1/4] drm/kms_helper: Add a common place to call init and exit functions.
The module_init and module_exit functions will start here, and call the
subsequent init's and exit's.
v10:
- Keep __init on drm_fb_helper init function.
- Move MODULE_* macros to the common file.
Signed-off-by: Rafael Antognolli
---
drivers/gpu/drm/Makefile| 4 ++-
drivers/gpu/drm/drm_crtc_helper.c | 3 ---
drivers/gpu/drm/drm_fb_helper.c | 9 +++
drivers/gpu/drm/drm_kms_helper_common.c | 47 +
include/drm/drm_fb_helper.h | 6 +
5 files changed, 60 insertions(+), 9 deletions(-)
create mode 100644 drivers/gpu/drm/drm_kms_helper_common.c
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index f858aa2..dfe513f 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -24,7 +24,9 @@ drm-$(CONFIG_AGP) += drm_agpsupport.o
drm-y += $(drm-m)
drm_kms_helper-y := drm_crtc_helper.o drm_dp_helper.o drm_probe_helper.o \
- drm_plane_helper.o drm_dp_mst_topology.o drm_atomic_helper.o
+ drm_plane_helper.o drm_dp_mst_topology.o drm_atomic_helper.o \
+ drm_kms_helper_common.o
+
drm_kms_helper-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o
drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += drm_fb_helper.o
drm_kms_helper-$(CONFIG_DRM_KMS_CMA_HELPER) += drm_fb_cma_helper.o
diff --git a/drivers/gpu/drm/drm_crtc_helper.c
b/drivers/gpu/drm/drm_crtc_helper.c
index 5d4bc64..baac181 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -73,9 +73,6 @@
* _crtc_helper_funcs, struct _encoder_helper_funcs and struct
* _connector_helper_funcs.
*/
-MODULE_AUTHOR("David Airlie, Jesse Barnes");
-MODULE_DESCRIPTION("DRM KMS helper");
-MODULE_LICENSE("GPL and additional rights");
/**
* drm_helper_move_panel_connectors_to_head() - move panels to the front in the
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 1e103c4..c27b964 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -2175,9 +2175,9 @@ EXPORT_SYMBOL(drm_fb_helper_hotplug_event);
* but the module doesn't depend on any fb console symbols. At least
* attempt to load fbcon to avoid leaving the system without a usable console.
*/
-#if defined(CONFIG_FRAMEBUFFER_CONSOLE_MODULE) && !defined(CONFIG_EXPERT)
-static int __init drm_fb_helper_modinit(void)
+int __init drm_fb_helper_modinit(void)
{
+#if defined(CONFIG_FRAMEBUFFER_CONSOLE_MODULE) && !defined(CONFIG_EXPERT)
const char *name = "fbcon";
struct module *fbcon;
@@ -2187,8 +2187,7 @@ static int __init drm_fb_helper_modinit(void)
if (!fbcon)
request_module_nowait(name);
+#endif
return 0;
}
-
-module_init(drm_fb_helper_modinit);
-#endif
+EXPORT_SYMBOL(drm_fb_helper_modinit);
diff --git a/drivers/gpu/drm/drm_kms_helper_common.c
b/drivers/gpu/drm/drm_kms_helper_common.c
new file mode 100644
index 000..d361005
--- /dev/null
+++ b/drivers/gpu/drm/drm_kms_helper_common.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *Rafael Antognolli
+ *
+ */
+
+#include
+#include
+
+MODULE_AUTHOR("David Airlie, Jesse Barnes");
+MODULE_DESCRIPTION("DRM KMS helper");
+MODULE_LICENSE("GPL and additional rights");
+
+static int __init drm_kms_helper_init(void)
+{
+ /* Call init functions from specific kms helpers here */
+ return drm_fb_helper_modinit();
+}
+
+static void __exit drm_kms_helper_exit(void)
+{
+ /* Call exit functions from specific kms helpers here */
+}
+
+module_init(drm_kms_helper_init);
+module_exit(drm_kms_helper_exit);
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index d8a40df..062723b 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -219,6 +219,7 @@ struct drm_fb_helper {
};
