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authorThomas Zimmermann <tzimmermann@suse.de>2022-05-16 15:43:39 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2022-05-17 20:23:38 +0200
commit16f1456466c269ecda32b88c3f8fdd76f8ec370c (patch)
tree73ab89ef69a0decb95df88200a6fd00b6e4420f6 /drivers/gpu/drm/mgag200/mgag200_mode.c
parentdrm/mgag200: Fail on I2C initialization errors (diff)
downloadlinux-16f1456466c269ecda32b88c3f8fdd76f8ec370c.tar.xz
linux-16f1456466c269ecda32b88c3f8fdd76f8ec370c.zip
drm/mgag200: Implement connector's get_modes with helper
Provide drm_connector_helper_get_modes_from_ddc() to implement the connector's get_modes callback. The new helper updates the connector from DDC-provided EDID data. v2: * clear property if EDID is NULL in helper Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Tested-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220516134343.6085-4-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/mgag200/mgag200_mode.c')
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_mode.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index b227891d01ec..4c0680dd1a78 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -689,26 +689,17 @@ static void mgag200_disable_display(struct mga_device *mdev)
* Connector
*/
-static int mga_vga_get_modes(struct drm_connector *connector)
+static int mgag200_vga_connector_helper_get_modes(struct drm_connector *connector)
{
struct mga_device *mdev = to_mga_device(connector->dev);
- struct mga_connector *mga_connector = to_mga_connector(connector);
- struct edid *edid;
- int ret = 0;
+ int ret;
/*
* Protect access to I/O registers from concurrent modesetting
* by acquiring the I/O-register lock.
*/
mutex_lock(&mdev->rmmio_lock);
-
- edid = drm_get_edid(connector, &mga_connector->i2c->adapter);
- if (edid) {
- drm_connector_update_edid_property(connector, edid);
- ret = drm_add_edid_modes(connector, edid);
- kfree(edid);
- }
-
+ ret = drm_connector_helper_get_modes_from_ddc(connector);
mutex_unlock(&mdev->rmmio_lock);
return ret;
@@ -828,7 +819,7 @@ static void mga_connector_destroy(struct drm_connector *connector)
}
static const struct drm_connector_helper_funcs mga_vga_connector_helper_funcs = {
- .get_modes = mga_vga_get_modes,
+ .get_modes = mgag200_vga_connector_helper_get_modes,
.mode_valid = mga_vga_mode_valid,
};