Hi Dmitry, On Mittwoch, 15. Juni 2022 15:59:32 CEST Dmitry Baryshkov wrote: > Enable (optional) core (MDP_CLK) clock that allows accessing HW_REV > registers during the platform init. > I believe you also need to update Documentation/devicetree/bindings/display/ msm/mdp5.txt with the new clock. Regards Luca > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> > --- > drivers/gpu/drm/msm/msm_mdss.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c > index b41848bfff91..f7b4628986b8 100644 > --- a/drivers/gpu/drm/msm/msm_mdss.c > +++ b/drivers/gpu/drm/msm/msm_mdss.c > @@ -288,7 +288,7 @@ static int msm_mdss_reset(struct device *dev) > /* > * MDP5 MDSS uses at most three specified clocks. > */ > -#define MDP5_MDSS_NUM_CLOCKS 3 > +#define MDP5_MDSS_NUM_CLOCKS 4 > static int mdp5_mdss_parse_clock(struct platform_device *pdev, struct > clk_bulk_data **clocks) { > struct clk_bulk_data *bulk; > @@ -305,6 +305,7 @@ static int mdp5_mdss_parse_clock(struct platform_device > *pdev, struct clk_bulk_d bulk[num_clocks++].id = "iface"; > bulk[num_clocks++].id = "bus"; > bulk[num_clocks++].id = "vsync"; > + bulk[num_clocks++].id = "core"; /* for hw_rev access */ > > ret = devm_clk_bulk_get_optional(&pdev->dev, num_clocks, bulk); > if (ret)