[PATCH 2/5] drm/msm/mdss: enable optional core clock for MDP5 MDSS

[Luca Weiss]

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 at linaro.org>
> ---
>  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)