* [PATCH] MEDIA-STAGING: Remove unneeded geometry restrictions from i.MX CSI driver
@ 2020-05-14 10:00 Krzysztof Hałasa
2020-06-26 8:58 ` Philipp Zabel
0 siblings, 1 reply; 3+ messages in thread
From: Krzysztof Hałasa @ 2020-05-14 10:00 UTC (permalink / raw)
To: Steve Longerbeam, Philipp Zabel; +Cc: linux-media
I don't know what minimal image dimensions are, but 32x32 appears to
be ok according to the docs.
This is needed for small sensors like 80x80 thermal imagers.
Signed-off-by: Krzysztof Halasa <khalasa@piap.pl>
diff --git a/drivers/staging/media/imx/imx-ic-prp.c b/drivers/staging/media/imx/imx-ic-prp.c
index 2a4f77e83ed3..622a52c46229 100644
--- a/drivers/staging/media/imx/imx-ic-prp.c
+++ b/drivers/staging/media/imx/imx-ic-prp.c
@@ -26,8 +26,8 @@
/*
* Min/Max supported width and heights.
*/
-#define MIN_W 176
-#define MIN_H 144
+#define MIN_W 32
+#define MIN_H 32
#define MAX_W 4096
#define MAX_H 4096
#define W_ALIGN 4 /* multiple of 16 pixels */
diff --git a/drivers/staging/media/imx/imx-ic-prpencvf.c b/drivers/staging/media/imx/imx-ic-prpencvf.c
index 09c4e3f33807..cb46455a1a36 100644
--- a/drivers/staging/media/imx/imx-ic-prpencvf.c
+++ b/drivers/staging/media/imx/imx-ic-prpencvf.c
@@ -35,8 +35,8 @@
* has not requested a planar format, we should allow 8 pixel
* alignment at the source pad.
*/
-#define MIN_W_SINK 176
-#define MIN_H_SINK 144
+#define MIN_W_SINK 32
+#define MIN_H_SINK 32
#define MAX_W_SINK 4096
#define MAX_H_SINK 4096
#define W_ALIGN_SINK 3 /* multiple of 8 pixels */
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index e76a6a85baa3..d9e5388ffeb5 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -33,8 +33,8 @@
* has not requested planar formats, we should allow 8 pixel
* alignment.
*/
-#define MIN_W 176
-#define MIN_H 144
+#define MIN_W 32
+#define MIN_H 32
#define MAX_W 4096
#define MAX_H 4096
#define W_ALIGN 1 /* multiple of 2 pixels */
diff --git a/drivers/staging/media/imx/imx-media-vdic.c b/drivers/staging/media/imx/imx-media-vdic.c
index 0d83c2c41606..ee71b70d3544 100644
--- a/drivers/staging/media/imx/imx-media-vdic.c
+++ b/drivers/staging/media/imx/imx-media-vdic.c
@@ -49,8 +49,8 @@ struct vdic_pipeline_ops {
/*
* Min/Max supported width and heights.
*/
-#define MIN_W 176
-#define MIN_H 144
+#define MIN_W 32
+#define MIN_H 32
#define MAX_W_VDIC 968
#define MAX_H_VDIC 2048
#define W_ALIGN 4 /* multiple of 16 pixels */
--
Krzysztof Halasa
ŁUKASIEWICZ Research Network
Industrial Research Institute for Automation and Measurements PIAP
Al. Jerozolimskie 202, 02-486 Warsaw, Poland
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] MEDIA-STAGING: Remove unneeded geometry restrictions from i.MX CSI driver
2020-05-14 10:00 [PATCH] MEDIA-STAGING: Remove unneeded geometry restrictions from i.MX CSI driver Krzysztof Hałasa
@ 2020-06-26 8:58 ` Philipp Zabel
2020-06-26 17:16 ` Steve Longerbeam
0 siblings, 1 reply; 3+ messages in thread
From: Philipp Zabel @ 2020-06-26 8:58 UTC (permalink / raw)
To: Krzysztof Hałasa, Steve Longerbeam; +Cc: linux-media
Hi Krzysztof,
thank you for the patch.
On Thu, 2020-05-14 at 12:00 +0200, Krzysztof Hałasa wrote:
> I don't know what minimal image dimensions are, but 32x32 appears to
> be ok according to the docs.
> This is needed for small sensors like 80x80 thermal imagers.
>
> Signed-off-by: Krzysztof Halasa <khalasa@piap.pl>
This looks fine to me for the CSI. Steve, are you aware of any
limitations?
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
(with CSI crop to 32x32, I have no 32x32 sensors at hand)
regards
Philipp
> diff --git a/drivers/staging/media/imx/imx-ic-prp.c b/drivers/staging/media/imx/imx-ic-prp.c
> index 2a4f77e83ed3..622a52c46229 100644
> --- a/drivers/staging/media/imx/imx-ic-prp.c
> +++ b/drivers/staging/media/imx/imx-ic-prp.c
> @@ -26,8 +26,8 @@
> /*
> * Min/Max supported width and heights.
> */
> -#define MIN_W 176
> -#define MIN_H 144
> +#define MIN_W 32
> +#define MIN_H 32
> #define MAX_W 4096
> #define MAX_H 4096
> #define W_ALIGN 4 /* multiple of 16 pixels */
> diff --git a/drivers/staging/media/imx/imx-ic-prpencvf.c b/drivers/staging/media/imx/imx-ic-prpencvf.c
> index 09c4e3f33807..cb46455a1a36 100644
> --- a/drivers/staging/media/imx/imx-ic-prpencvf.c
> +++ b/drivers/staging/media/imx/imx-ic-prpencvf.c
> @@ -35,8 +35,8 @@
> * has not requested a planar format, we should allow 8 pixel
> * alignment at the source pad.
> */
> -#define MIN_W_SINK 176
> -#define MIN_H_SINK 144
> +#define MIN_W_SINK 32
> +#define MIN_H_SINK 32
> #define MAX_W_SINK 4096
> #define MAX_H_SINK 4096
> #define W_ALIGN_SINK 3 /* multiple of 8 pixels */
> diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
> index e76a6a85baa3..d9e5388ffeb5 100644
> --- a/drivers/staging/media/imx/imx-media-csi.c
> +++ b/drivers/staging/media/imx/imx-media-csi.c
> @@ -33,8 +33,8 @@
> * has not requested planar formats, we should allow 8 pixel
> * alignment.
> */
> -#define MIN_W 176
> -#define MIN_H 144
> +#define MIN_W 32
> +#define MIN_H 32
> #define MAX_W 4096
> #define MAX_H 4096
> #define W_ALIGN 1 /* multiple of 2 pixels */
> diff --git a/drivers/staging/media/imx/imx-media-vdic.c b/drivers/staging/media/imx/imx-media-vdic.c
> index 0d83c2c41606..ee71b70d3544 100644
> --- a/drivers/staging/media/imx/imx-media-vdic.c
> +++ b/drivers/staging/media/imx/imx-media-vdic.c
> @@ -49,8 +49,8 @@ struct vdic_pipeline_ops {
> /*
> * Min/Max supported width and heights.
> */
> -#define MIN_W 176
> -#define MIN_H 144
> +#define MIN_W 32
> +#define MIN_H 32
> #define MAX_W_VDIC 968
> #define MAX_H_VDIC 2048
> #define W_ALIGN 4 /* multiple of 16 pixels */
>
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] MEDIA-STAGING: Remove unneeded geometry restrictions from i.MX CSI driver
2020-06-26 8:58 ` Philipp Zabel
@ 2020-06-26 17:16 ` Steve Longerbeam
0 siblings, 0 replies; 3+ messages in thread
From: Steve Longerbeam @ 2020-06-26 17:16 UTC (permalink / raw)
To: Philipp Zabel, Krzysztof Hałasa; +Cc: linux-media
Hi Krzysztof, Philipp,
On 6/26/20 1:58 AM, Philipp Zabel wrote:
> Hi Krzysztof,
>
> thank you for the patch.
>
> On Thu, 2020-05-14 at 12:00 +0200, Krzysztof Hałasa wrote:
>> I don't know what minimal image dimensions are, but 32x32 appears to
>> be ok according to the docs.
>> This is needed for small sensors like 80x80 thermal imagers.
>>
>> Signed-off-by: Krzysztof Halasa <khalasa@piap.pl>
> This looks fine to me for the CSI. Steve, are you aware of any
> limitations?
I looked at the imx6 ref manual and don't see any limitations in IC or
VDIC or IDMAC or CPMEM, so this is fine to me as well.
One nitpick, please change the all-caps commit subject to
media: imx: Remove unneeded geometry restrictions from i.MX CSI driver
After that,
Acked-by: Steve Longerbeam <slongerbeam@gmail.com>
> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
> Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
> (with CSI crop to 32x32, I have no 32x32 sensors at hand)
>
> regards
> Philipp
>
>> diff --git a/drivers/staging/media/imx/imx-ic-prp.c b/drivers/staging/media/imx/imx-ic-prp.c
>> index 2a4f77e83ed3..622a52c46229 100644
>> --- a/drivers/staging/media/imx/imx-ic-prp.c
>> +++ b/drivers/staging/media/imx/imx-ic-prp.c
>> @@ -26,8 +26,8 @@
>> /*
>> * Min/Max supported width and heights.
>> */
>> -#define MIN_W 176
>> -#define MIN_H 144
>> +#define MIN_W 32
>> +#define MIN_H 32
>> #define MAX_W 4096
>> #define MAX_H 4096
>> #define W_ALIGN 4 /* multiple of 16 pixels */
>> diff --git a/drivers/staging/media/imx/imx-ic-prpencvf.c b/drivers/staging/media/imx/imx-ic-prpencvf.c
>> index 09c4e3f33807..cb46455a1a36 100644
>> --- a/drivers/staging/media/imx/imx-ic-prpencvf.c
>> +++ b/drivers/staging/media/imx/imx-ic-prpencvf.c
>> @@ -35,8 +35,8 @@
>> * has not requested a planar format, we should allow 8 pixel
>> * alignment at the source pad.
>> */
>> -#define MIN_W_SINK 176
>> -#define MIN_H_SINK 144
>> +#define MIN_W_SINK 32
>> +#define MIN_H_SINK 32
>> #define MAX_W_SINK 4096
>> #define MAX_H_SINK 4096
>> #define W_ALIGN_SINK 3 /* multiple of 8 pixels */
>> diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
>> index e76a6a85baa3..d9e5388ffeb5 100644
>> --- a/drivers/staging/media/imx/imx-media-csi.c
>> +++ b/drivers/staging/media/imx/imx-media-csi.c
>> @@ -33,8 +33,8 @@
>> * has not requested planar formats, we should allow 8 pixel
>> * alignment.
>> */
>> -#define MIN_W 176
>> -#define MIN_H 144
>> +#define MIN_W 32
>> +#define MIN_H 32
>> #define MAX_W 4096
>> #define MAX_H 4096
>> #define W_ALIGN 1 /* multiple of 2 pixels */
>> diff --git a/drivers/staging/media/imx/imx-media-vdic.c b/drivers/staging/media/imx/imx-media-vdic.c
>> index 0d83c2c41606..ee71b70d3544 100644
>> --- a/drivers/staging/media/imx/imx-media-vdic.c
>> +++ b/drivers/staging/media/imx/imx-media-vdic.c
>> @@ -49,8 +49,8 @@ struct vdic_pipeline_ops {
>> /*
>> * Min/Max supported width and heights.
>> */
>> -#define MIN_W 176
>> -#define MIN_H 144
>> +#define MIN_W 32
>> +#define MIN_H 32
>> #define MAX_W_VDIC 968
>> #define MAX_H_VDIC 2048
>> #define W_ALIGN 4 /* multiple of 16 pixels */
>>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-05-14 10:00 [PATCH] MEDIA-STAGING: Remove unneeded geometry restrictions from i.MX CSI driver Krzysztof Hałasa
2020-06-26 8:58 ` Philipp Zabel
2020-06-26 17:16 ` Steve Longerbeam
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