Re: [PATCH v2 3/4] drm/msm/disp/dpu1: use atomic enable/disable callbacks for encoder functions

Dmitry Baryshkov
2022-02-22T03:12:08Z

On Mon, 21 Feb 2022 at 17:52, Vinod Polimera <quic_vpolimer@quicinc.com> wrote:
>
> Use atomic variants for encoder callback functions such that
> certain states like self-refresh can be accessed as part of
> enable/disable sequence.
>
> Signed-off-by: Kalyan Thota <quic_kalyant@quicinc.com>
> Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

>
> Changes in v2:
> - As per review suggestion by Dmitry.
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index 1e648db..6eac417 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -1138,7 +1138,8 @@ void dpu_encoder_virt_runtime_resume(struct drm_encoder *drm_enc)
> mutex_unlock(&dpu_enc->enc_lock);
> }
>
> -static void dpu_encoder_virt_enable(struct drm_encoder *drm_enc)
> +static void dpu_encoder_virt_enable(struct drm_encoder *drm_enc,
> + struct drm_atomic_state *state)
> {
> struct dpu_encoder_virt *dpu_enc = NULL;
> int ret = 0;
> @@ -1176,7 +1177,8 @@ static void dpu_encoder_virt_enable(struct drm_encoder *drm_enc)
> mutex_unlock(&dpu_enc->enc_lock);
> }
>
> -static void dpu_encoder_virt_disable(struct drm_encoder *drm_enc)
> +static void dpu_encoder_virt_disable(struct drm_encoder *drm_enc,
> + struct drm_atomic_state *state)
> {
> struct dpu_encoder_virt *dpu_enc = NULL;
> struct msm_drm_private *priv;
> @@ -2094,8 +2096,8 @@ static void dpu_encoder_frame_done_timeout(struct timer_list *t)
>
> static const struct drm_encoder_helper_funcs dpu_encoder_helper_funcs = {
> .mode_set = dpu_encoder_virt_mode_set,
> - .disable = dpu_encoder_virt_disable,
> - .enable = dpu_encoder_virt_enable,
> + .atomic_disable = dpu_encoder_virt_disable,
> + .atomic_enable = dpu_encoder_virt_enable,
> .atomic_check = dpu_encoder_virt_atomic_check,
> };
>
> --
> 2.7.4
>

--
With best wishes
Dmitry