Re: [PATCH] media: rkisp1: Allow higher input resolution

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Hi All,

On 19/02/24 7:39 am, Adam Ford wrote:
On Sun, Feb 18, 2024 at 3:02 PM Ondřej Jirman <megi@xxxxxx> wrote:
On Sun, Feb 18, 2024 at 10:59:08PM +0200, Laurent Pinchart wrote:
Hi Ondrej,

(CC'ing Paul and Umang)

Thank you for the patch.

On Sat, Feb 17, 2024 at 07:51:58PM +0100, Ondřej Jirman wrote:
From: Ondrej Jirman <megi@xxxxxx>

In BSP driver, it is allowed, and it works in practice. Tested on
Pinephone Pro/RK3399 with IMX258 at full res.
Paul, Umang, do I recall correctly that you have a similar change ?
Could you review and test this (especially on the i.MX8MP) ?
It's also a limit from the datasheet, so the change should not be that
controversial:

   https://megous.com/dl/tmp/d2b333043ecebaf3.png

(so that it doesn't sound like I just copied the BSP values)

 From what I see in the i.MX8M Plus reference manual, it has a max
resolution of 4096x3072, so it might be necessary to move this off

This is what I (and I assume Paul too) have been working with on i.MX8M Plus. So it's the known and tested value of max ISP input from out side.
from a #define into a structure that varies by product family.

Yeah!

adam
regards,
         o.

Signed-off-by: Ondrej Jirman <megi@xxxxxx>
---
  drivers/media/platform/rockchip/rkisp1/rkisp1-common.h | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
index 4b6b28c05b89..74098ddbeeb3 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
@@ -33,8 +33,8 @@ struct dentry;
  #define RKISP1_ISP_SD_SINK                 BIT(1)

  /* min and max values for the widths and heights of the entities */
-#define RKISP1_ISP_MAX_WIDTH                       4032
-#define RKISP1_ISP_MAX_HEIGHT                      3024
+#define RKISP1_ISP_MAX_WIDTH                       4416
+#define RKISP1_ISP_MAX_HEIGHT                      3312
  #define RKISP1_ISP_MIN_WIDTH                       32
  #define RKISP1_ISP_MIN_HEIGHT                      32

--
Regards,

Laurent Pinchart





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