Re: [PATCH 5/5] drm/msm/mdp5: Use the interconnect API

[Sean Paul <sean@poorly.run>]

On Wed, May 08, 2019 at 01:42:15PM -0700, Rob Clark wrote:
> From: Georgi Djakov <georgi.djakov@linaro.org>
> 
> Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
> Signed-off-by: Rob Clark <robdclark@chromium.org>
> ---
>  drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
> index 97179bec8902..54d2b4c2b09f 100644
> --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
> +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
> @@ -16,6 +16,7 @@
>   * this program.  If not, see <http://www.gnu.org/licenses/>.
>   */
>  
> +#include <linux/interconnect.h>
>  #include <linux/of_irq.h>
>  
>  #include "msm_drv.h"
> @@ -1050,6 +1051,19 @@ static const struct component_ops mdp5_ops = {
>  
>  static int mdp5_dev_probe(struct platform_device *pdev)
>  {
> +	struct icc_path *path0 = of_icc_get(&pdev->dev, "port0");
> +	struct icc_path *path1 = of_icc_get(&pdev->dev, "port1");
> +	struct icc_path *path_rot = of_icc_get(&pdev->dev, "rotator");
> +
> +	if (IS_ERR(path0))

Same comments here re: NULL value

> +		return PTR_ERR(path0);
> +	icc_set_bw(path0, 0, MBps_to_icc(6400));
> +
> +	if (!IS_ERR(path1))
> +		icc_set_bw(path1, 0, MBps_to_icc(6400));
> +	if (!IS_ERR(path_rot))
> +		icc_set_bw(path_rot, 0, MBps_to_icc(6400));
> +
>  	DBG("");
>  	return component_add(&pdev->dev, &mdp5_ops);
>  }
> -- 
> 2.20.1
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS