Re: [PATCH 1/1] staging: media: ipu3-imgu: Request specific firmware binary

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Hi Sakari,

Thank you for the patch.

On Wed, Apr 13, 2022 at 01:37:39PM +0300, Sakari Ailus wrote:
> Primarily request a specific revision of the IPU3 firmware that the driver
> is known to work with,
> irci_irci_ecr-master_20161208_0213_20170112_1500.bin. Some distros only
> ship this while others provide a symlink called ipu3-fw.bin, which the
> driver only requested previously.

Are there distros that ship ipu3-fw.bin but not
irci_irci_ecr-master_20161208_0213_20170112_1500.bin ? If not, w could
avoid the fallback to IMGU_FW_NAME.

> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> ---
>  drivers/staging/media/ipu3/ipu3-css-fw.c | 4 +++-
>  drivers/staging/media/ipu3/ipu3-css-fw.h | 4 +++-
>  2 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/media/ipu3/ipu3-css-fw.c b/drivers/staging/media/ipu3/ipu3-css-fw.c
> index 981693eed8155..2b659b0ccca14 100644
> --- a/drivers/staging/media/ipu3/ipu3-css-fw.c
> +++ b/drivers/staging/media/ipu3/ipu3-css-fw.c
> @@ -117,7 +117,9 @@ int imgu_css_fw_init(struct imgu_css *css)
>  	unsigned int i, j, binary_nr;
>  	int r;
>  
> -	r = request_firmware(&css->fw, IMGU_FW_NAME, css->dev);
> +	r = request_firmware(&css->fw, IMGU_FW_NAME_20161208, css->dev);
> +	if (r == -ENOENT)
> +		r = request_firmware(&css->fw, IMGU_FW_NAME, css->dev);
>  	if (r)
>  		return r;
>  
> diff --git a/drivers/staging/media/ipu3/ipu3-css-fw.h b/drivers/staging/media/ipu3/ipu3-css-fw.h
> index c0bc57fd678a7..f9403da757851 100644
> --- a/drivers/staging/media/ipu3/ipu3-css-fw.h
> +++ b/drivers/staging/media/ipu3/ipu3-css-fw.h
> @@ -6,7 +6,9 @@
>  
>  /******************* Firmware file definitions *******************/
>  
> -#define IMGU_FW_NAME			"intel/ipu3-fw.bin"
> +#define IMGU_FW_NAME		"intel/ipu3-fw.bin"
> +#define IMGU_FW_NAME_20161208	\
> +	"intel/irci_irci_ecr-master_20161208_0213_20170112_1500.bin"
>  
>  typedef u32 imgu_fw_ptr;
>  
> -- 
> 2.30.2
> 

-- 
Regards,

Laurent Pinchart



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