On Wed Mar 11 12:29:32 2026 +0100, Jacopo Mondi wrote:
> The Purple Fringe Correction module is enabled by default with a POR
> configuration which might not be correct for the lens/sensor combination
> in use.
>
> If the Purple Fringe Correction module has to be used, it needs to be
> supported in the driver's uAPI and properly configured by userspace.
>
> As the driver doesn't support it at the moment, bypass it by default.
>
> Reviewed-by: Barnabás PÅcze <[email protected]>
> Reviewed-by: Daniel Scally <[email protected]>
> Signed-off-by: Jacopo Mondi <[email protected]>
> Signed-off-by: Hans Verkuil <[email protected]>
Patch committed.
Thanks,
Hans Verkuil
drivers/media/platform/arm/mali-c55/mali-c55-params.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/drivers/media/platform/arm/mali-c55/mali-c55-params.c
b/drivers/media/platform/arm/mali-c55/mali-c55-params.c
index b9fc904a3844..de0e9d898db7 100644
--- a/drivers/media/platform/arm/mali-c55/mali-c55-params.c
+++ b/drivers/media/platform/arm/mali-c55/mali-c55-params.c
@@ -830,9 +830,10 @@ void mali_c55_params_init_isp_config(struct mali_c55
*mali_c55,
MALI_C55_REG_BYPASS_3_IRIDIX,
MALI_C55_REG_BYPASS_3_IRIDIX);
- /* Bypass the colour noise reduction */
+ /* Bypass the colour noise reduction and the PF modules */
mali_c55_ctx_write(mali_c55, MALI_C55_REG_BYPASS_4,
- MALI_C55_REG_BYPASS_4_CNR);
+ MALI_C55_REG_BYPASS_4_CNR |
+ MALI_C55_REG_BYPASS_4_PF_CORRECTION);
/* Disable the sinter module */
mali_c55_ctx_update_bits(mali_c55, MALI_C55_REG_SINTER_CONFIG,
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