On Thu, 15 Jan 2026 22:05:37 +0200, Dmitry Baryshkov wrote:
> Not all Line Mixers have corresponding DSPP blocks, which are necessary
> for CTM or Gamma Correction. Currently it is possible for CTM-less CRTCs
> to get a grip of DSPP-enabled LMs, making it impossible to use CTM (or
> GC, once enabled) for other CRTCs. Make sure that RM allocates simpler
> LMs first, leaving LMs with attached DSPP for the CRTCs which need them.
>
>
> [...]
Applied to msm-next, thanks!
[1/2] drm/msm/dpu: correct error messages in RM
https://gitlab.freedesktop.org/lumag/msm/-/commit/98c8f146f574
[2/2] drm/msm/dpu: try reserving the DSPP-less LM first
https://gitlab.freedesktop.org/lumag/msm/-/commit/42f62cd79578
Best regards,
--
With best wishes
Dmitry
