On Mon, Jan 12, 2026 at 12:08:13PM +0100, Konrad Dybcio wrote: > On 1/10/26 8:37 PM, Dmitry Baryshkov wrote: > > MDSS and GPU drivers use different approaches to get min_acc length. > > Add helper function that can be used by all the drivers. > > > > Signed-off-by: Dmitry Baryshkov <[email protected]> > > --- > > include/linux/soc/qcom/ubwc.h | 7 +++++++ > > 1 file changed, 7 insertions(+) > > > > diff --git a/include/linux/soc/qcom/ubwc.h b/include/linux/soc/qcom/ubwc.h > > index f052e241736c..50d891493ac8 100644 > > --- a/include/linux/soc/qcom/ubwc.h > > +++ b/include/linux/soc/qcom/ubwc.h > > @@ -74,4 +74,11 @@ static inline bool qcom_ubwc_get_ubwc_mode(const struct > > qcom_ubwc_cfg_data *cfg) > > return ret; > > } > > > > +static inline bool qcom_ubwc_min_acc_length_64b(const struct > > qcom_ubwc_cfg_data *cfg) > > +{ > > + return cfg->ubwc_enc_version == UBWC_1_0 && > > + (cfg->ubwc_dec_version == UBWC_2_0 || > > + cfg->ubwc_dec_version == UBWC_3_0); > > Are you sure this is a correct heuristic?
No, but it matches what we had in MDSS driver (and I think it matches the chipsets that were selected by the GPU driver). -- With best wishes Dmitry
