diff mbox series

[RFC,v2,10/18] drm/vkms: Introduce config for encoder name

Message ID 20241122-google-remove-crtc-index-from-parameter-v2-10-81540742535a@bootlin.com (mailing list archive)
State New, archived
Headers show
Series drm/vkms: Introduce detailed configuration | expand

Commit Message

Louis Chauvet Nov. 22, 2024, 5:20 p.m. UTC
As an encoder will be a directory in ConfigFS, add the configuration for
encoder name so we will be able to reflect the configfs directory name in
the drm name.

Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
---
 drivers/gpu/drm/vkms/vkms_config.c | 6 ++++++
 drivers/gpu/drm/vkms/vkms_config.h | 2 ++
 drivers/gpu/drm/vkms/vkms_output.c | 2 +-
 3 files changed, 9 insertions(+), 1 deletion(-)

Comments

Jani Nikula Nov. 25, 2024, 9:28 a.m. UTC | #1
On Fri, 22 Nov 2024, Louis Chauvet <louis.chauvet@bootlin.com> wrote:
> As an encoder will be a directory in ConfigFS, add the configuration for
> encoder name so we will be able to reflect the configfs directory name in
> the drm name.
>
> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
> ---
>  drivers/gpu/drm/vkms/vkms_config.c | 6 ++++++
>  drivers/gpu/drm/vkms/vkms_config.h | 2 ++
>  drivers/gpu/drm/vkms/vkms_output.c | 2 +-
>  3 files changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/vkms/vkms_config.c b/drivers/gpu/drm/vkms/vkms_config.c
> index e44ed904cefb97b8b6ab8fc27623e315397e0106..a2539fb56b602569b75748fdf9c4784f104b0bff 100644
> --- a/drivers/gpu/drm/vkms/vkms_config.c
> +++ b/drivers/gpu/drm/vkms/vkms_config.c
> @@ -41,6 +41,10 @@ struct vkms_config *vkms_config_alloc_default(bool enable_writeback, bool enable
>  	encoder = vkms_config_create_encoder(vkms_config);
>  	if (!encoder)
>  		goto err_alloc;
> +	encoder->name = kzalloc(sizeof("Main Encoder"), GFP_KERNEL);
> +	if (!encoder->name)
> +		goto err_alloc;
> +	sprintf(encoder->name, "Main Encoder");

Drive-by comment, maybe kstrdup()?

>  
>  	if (vkms_config_encoder_attach_crtc(encoder, crtc))
>  		goto err_alloc;
> @@ -238,6 +242,7 @@ void vkms_config_delete_encoder(struct vkms_config_encoder *vkms_config_encoder,
>  		}
>  	}
>  
> +	kfree(vkms_config_encoder->name);
>  	kfree(vkms_config_encoder);
>  }
>  
> @@ -403,6 +408,7 @@ static int vkms_config_show(struct seq_file *m, void *data)
>  
>  	list_for_each_entry(config_encoder, &vkmsdev->config->encoders, link) {
>  		seq_puts(m, "encoder:\n");
> +		seq_printf(m, "\tname: %s\n", config_encoder->name);
>  	}
>  
>  	list_for_each_entry(config_crtc, &vkmsdev->config->crtcs, link) {
> diff --git a/drivers/gpu/drm/vkms/vkms_config.h b/drivers/gpu/drm/vkms/vkms_config.h
> index 8f247fc09373fb2c8145e83be05c6afec1ffac1c..4223edd94ec270915dd658c0b5efd489554d33a5 100644
> --- a/drivers/gpu/drm/vkms/vkms_config.h
> +++ b/drivers/gpu/drm/vkms/vkms_config.h
> @@ -50,6 +50,7 @@ struct vkms_config_crtc {
>   * struct vkms_config_encoder
>   *
>   * @link: Link to the others encoders
> + * @name: Name of the encoder
>   * @possible_crtcs: List of CRTC that can be used with this encoder
>   * @encoder: Internal usage. This pointer should never be considered as valid. It can be used to
>   *         store a temporary reference to a vkms encoder during device creation. This pointer is
> @@ -58,6 +59,7 @@ struct vkms_config_crtc {
>  struct vkms_config_encoder {
>  	struct list_head link;
>  
> +	char *name;
>  	struct xarray possible_crtcs;
>  
>  	/* Internal usage */
> diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c
> index 03498a20d78dd8a66f9fc66b360c5ea57fc48d88..6277ad72fdd476d1eff52ad037389bdb1a254f5e 100644
> --- a/drivers/gpu/drm/vkms/vkms_output.c
> +++ b/drivers/gpu/drm/vkms/vkms_output.c
> @@ -92,7 +92,7 @@ int vkms_output_init(struct vkms_device *vkmsdev)
>  		if (!config_encoder->encoder)
>  			return -ENOMEM;
>  		ret = drmm_encoder_init(dev, config_encoder->encoder, NULL,
> -					DRM_MODE_ENCODER_VIRTUAL, NULL);
> +					DRM_MODE_ENCODER_VIRTUAL, config_encoder->name);
>  		if (ret) {
>  			DRM_ERROR("Failed to init encoder\n");
>  			return ret;
Louis Chauvet Nov. 25, 2024, 9:50 a.m. UTC | #2
Le 25 novembre 2024 09:28:44 UTC, Jani Nikula <jani.nikula@linux.intel.com> a écrit :
>On Fri, 22 Nov 2024, Louis Chauvet <louis.chauvet@bootlin.com> wrote:
>> As an encoder will be a directory in ConfigFS, add the configuration for
>> encoder name so we will be able to reflect the configfs directory name in
>> the drm name.
>>
>> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
>> ---
>>  drivers/gpu/drm/vkms/vkms_config.c | 6 ++++++
>>  drivers/gpu/drm/vkms/vkms_config.h | 2 ++
>>  drivers/gpu/drm/vkms/vkms_output.c | 2 +-
>>  3 files changed, 9 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/vkms/vkms_config.c b/drivers/gpu/drm/vkms/vkms_config.c
>> index e44ed904cefb97b8b6ab8fc27623e315397e0106..a2539fb56b602569b75748fdf9c4784f104b0bff 100644
>> --- a/drivers/gpu/drm/vkms/vkms_config.c
>> +++ b/drivers/gpu/drm/vkms/vkms_config.c
>> @@ -41,6 +41,10 @@ struct vkms_config *vkms_config_alloc_default(bool enable_writeback, bool enable
>>  	encoder = vkms_config_create_encoder(vkms_config);
>>  	if (!encoder)
>>  		goto err_alloc;
>> +	encoder->name = kzalloc(sizeof("Main Encoder"), GFP_KERNEL);
>> +	if (!encoder->name)
>> +		goto err_alloc;
>> +	sprintf(encoder->name, "Main Encoder");
>
>Drive-by comment, maybe kstrdup()?

Nice catch, thank you!
I will update for next version.

Thanks,
Louis Chauvet

>>  
>>  	if (vkms_config_encoder_attach_crtc(encoder, crtc))
>>  		goto err_alloc;
>> @@ -238,6 +242,7 @@ void vkms_config_delete_encoder(struct vkms_config_encoder *vkms_config_encoder,
>>  		}
>>  	}
>>  
>> +	kfree(vkms_config_encoder->name);
>>  	kfree(vkms_config_encoder);
>>  }
>>  
>> @@ -403,6 +408,7 @@ static int vkms_config_show(struct seq_file *m, void *data)
>>  
>>  	list_for_each_entry(config_encoder, &vkmsdev->config->encoders, link) {
>>  		seq_puts(m, "encoder:\n");
>> +		seq_printf(m, "\tname: %s\n", config_encoder->name);
>>  	}
>>  
>>  	list_for_each_entry(config_crtc, &vkmsdev->config->crtcs, link) {
>> diff --git a/drivers/gpu/drm/vkms/vkms_config.h b/drivers/gpu/drm/vkms/vkms_config.h
>> index 8f247fc09373fb2c8145e83be05c6afec1ffac1c..4223edd94ec270915dd658c0b5efd489554d33a5 100644
>> --- a/drivers/gpu/drm/vkms/vkms_config.h
>> +++ b/drivers/gpu/drm/vkms/vkms_config.h
>> @@ -50,6 +50,7 @@ struct vkms_config_crtc {
>>   * struct vkms_config_encoder
>>   *
>>   * @link: Link to the others encoders
>> + * @name: Name of the encoder
>>   * @possible_crtcs: List of CRTC that can be used with this encoder
>>   * @encoder: Internal usage. This pointer should never be considered as valid. It can be used to
>>   *         store a temporary reference to a vkms encoder during device creation. This pointer is
>> @@ -58,6 +59,7 @@ struct vkms_config_crtc {
>>  struct vkms_config_encoder {
>>  	struct list_head link;
>>  
>> +	char *name;
>>  	struct xarray possible_crtcs;
>>  
>>  	/* Internal usage */
>> diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c
>> index 03498a20d78dd8a66f9fc66b360c5ea57fc48d88..6277ad72fdd476d1eff52ad037389bdb1a254f5e 100644
>> --- a/drivers/gpu/drm/vkms/vkms_output.c
>> +++ b/drivers/gpu/drm/vkms/vkms_output.c
>> @@ -92,7 +92,7 @@ int vkms_output_init(struct vkms_device *vkmsdev)
>>  		if (!config_encoder->encoder)
>>  			return -ENOMEM;
>>  		ret = drmm_encoder_init(dev, config_encoder->encoder, NULL,
>> -					DRM_MODE_ENCODER_VIRTUAL, NULL);
>> +					DRM_MODE_ENCODER_VIRTUAL, config_encoder->name);
>>  		if (ret) {
>>  			DRM_ERROR("Failed to init encoder\n");
>>  			return ret;
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/vkms/vkms_config.c b/drivers/gpu/drm/vkms/vkms_config.c
index e44ed904cefb97b8b6ab8fc27623e315397e0106..a2539fb56b602569b75748fdf9c4784f104b0bff 100644
--- a/drivers/gpu/drm/vkms/vkms_config.c
+++ b/drivers/gpu/drm/vkms/vkms_config.c
@@ -41,6 +41,10 @@  struct vkms_config *vkms_config_alloc_default(bool enable_writeback, bool enable
 	encoder = vkms_config_create_encoder(vkms_config);
 	if (!encoder)
 		goto err_alloc;
+	encoder->name = kzalloc(sizeof("Main Encoder"), GFP_KERNEL);
+	if (!encoder->name)
+		goto err_alloc;
+	sprintf(encoder->name, "Main Encoder");
 
 	if (vkms_config_encoder_attach_crtc(encoder, crtc))
 		goto err_alloc;
@@ -238,6 +242,7 @@  void vkms_config_delete_encoder(struct vkms_config_encoder *vkms_config_encoder,
 		}
 	}
 
+	kfree(vkms_config_encoder->name);
 	kfree(vkms_config_encoder);
 }
 
@@ -403,6 +408,7 @@  static int vkms_config_show(struct seq_file *m, void *data)
 
 	list_for_each_entry(config_encoder, &vkmsdev->config->encoders, link) {
 		seq_puts(m, "encoder:\n");
+		seq_printf(m, "\tname: %s\n", config_encoder->name);
 	}
 
 	list_for_each_entry(config_crtc, &vkmsdev->config->crtcs, link) {
diff --git a/drivers/gpu/drm/vkms/vkms_config.h b/drivers/gpu/drm/vkms/vkms_config.h
index 8f247fc09373fb2c8145e83be05c6afec1ffac1c..4223edd94ec270915dd658c0b5efd489554d33a5 100644
--- a/drivers/gpu/drm/vkms/vkms_config.h
+++ b/drivers/gpu/drm/vkms/vkms_config.h
@@ -50,6 +50,7 @@  struct vkms_config_crtc {
  * struct vkms_config_encoder
  *
  * @link: Link to the others encoders
+ * @name: Name of the encoder
  * @possible_crtcs: List of CRTC that can be used with this encoder
  * @encoder: Internal usage. This pointer should never be considered as valid. It can be used to
  *         store a temporary reference to a vkms encoder during device creation. This pointer is
@@ -58,6 +59,7 @@  struct vkms_config_crtc {
 struct vkms_config_encoder {
 	struct list_head link;
 
+	char *name;
 	struct xarray possible_crtcs;
 
 	/* Internal usage */
diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c
index 03498a20d78dd8a66f9fc66b360c5ea57fc48d88..6277ad72fdd476d1eff52ad037389bdb1a254f5e 100644
--- a/drivers/gpu/drm/vkms/vkms_output.c
+++ b/drivers/gpu/drm/vkms/vkms_output.c
@@ -92,7 +92,7 @@  int vkms_output_init(struct vkms_device *vkmsdev)
 		if (!config_encoder->encoder)
 			return -ENOMEM;
 		ret = drmm_encoder_init(dev, config_encoder->encoder, NULL,
-					DRM_MODE_ENCODER_VIRTUAL, NULL);
+					DRM_MODE_ENCODER_VIRTUAL, config_encoder->name);
 		if (ret) {
 			DRM_ERROR("Failed to init encoder\n");
 			return ret;