Hi
Am 28.07.20 um 20:06 schrieb Sam Ravnborg:
> On Tue, Jul 28, 2020 at 09:44:16AM +0200, Thomas Zimmermann wrote:
>> Managed releases of the device's I2C adapter simplify the connector's
>> release.
>>
>> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
>> ---
>> drivers/gpu/drm/ast/ast_mode.c | 21 ++++++++++-----------
>> 1 file changed, 10 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
>> index f421a60d8a96..27eb49bd12b3 100644
>> --- a/drivers/gpu/drm/ast/ast_mode.c
>> +++ b/drivers/gpu/drm/ast/ast_mode.c
>> @@ -39,6 +39,7 @@
>> #include <drm/drm_fourcc.h>
>> #include <drm/drm_gem_framebuffer_helper.h>
>> #include <drm/drm_gem_vram_helper.h>
>> +#include <drm/drm_managed.h>
>> #include <drm/drm_plane_helper.h>
>> #include <drm/drm_probe_helper.h>
>> #include <drm/drm_simple_kms_helper.h>
>> @@ -591,6 +592,14 @@ static void ast_i2c_setsda(void *i2c_priv, int data)
>> }
>> }
>>
>> +static void ast_i2c_release(struct drm_device *dev, void *data)
>> +{
>> + struct ast_i2c_chan *i2c = data;
>> +
>> + i2c_del_adapter(&i2c->adapter);
>> + i2c->dev = NULL; /* clear to signal absence of I2C support */
>> +}
>> +
>> static int ast_i2c_init(struct ast_i2c_chan *i2c, struct drm_device *dev)
>> {
>> int ret;
>> @@ -618,7 +627,7 @@ static int ast_i2c_init(struct ast_i2c_chan *i2c, struct drm_device *dev)
>>
>> i2c->dev = dev; /* signals presence of I2C support */
>>
>> - return 0;
>> + return drmm_add_action_or_reset(dev, ast_i2c_release, i2c);
>> }
>>
>> static bool ast_i2c_is_initialized(struct ast_i2c_chan *i2c)
>> @@ -626,14 +635,6 @@ static bool ast_i2c_is_initialized(struct ast_i2c_chan *i2c)
>> return !!i2c->dev;
>> }
>>
>> -static void ast_i2c_fini(struct ast_i2c_chan *i2c)
>> -{
>> - if (!ast_i2c_is_initialized(i2c))
>> - return;
>> - i2c_del_adapter(&i2c->adapter);
>> - i2c->dev = NULL; /* clear to signal absence of I2C support */
>> -}
> The intro of ast_i2c_fini() and then removal again confuses me a little.
> But end result looks simple so I guess thats what counts.
The intention was to separate _fini from _destroy and make the patch
series more readable. But looking at it now, this idea did not really
work. I guess, I'll drop _fini.
Best regards
Thomas
>
> Sam
>
>> -
>> /*
>> * Primary plane
>> */
>> @@ -1139,8 +1140,6 @@ static enum drm_mode_status ast_mode_valid(struct drm_connector *connector,
>>
>> static void ast_connector_destroy(struct drm_connector *connector)
>> {
>> - struct ast_connector *ast_connector = to_ast_connector(connector);
>> - ast_i2c_fini(&ast_connector->i2c);
>> drm_connector_cleanup(connector);
>> kfree(connector);
>> }
>> --
>> 2.27.0
>>
>> _______________________________________________
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>> dri-devel@xxxxxxxxxxxxxxxxxxxxx
>> https://lists.freedesktop.org/mailman/listinfo/dri-devel
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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