lkml.org 
[lkml]   [2022]   [Feb]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v2 1/2] drm/msm/dpu: Add a function to retrieve the current CTL status
From
On 11/09/2021 19:39, AngeloGioacchino Del Regno wrote:
> Add a function that returns whether the requested CTL is active or not:
> this will be used in a later commit to fix command mode panel issues.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>

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

> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c | 6 ++++++
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h | 7 +++++++
> 2 files changed, 13 insertions(+)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
> index 64740ddb983e..3b6fd73eb3a8 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
> @@ -91,6 +91,11 @@ static inline void dpu_hw_ctl_trigger_start(struct dpu_hw_ctl *ctx)
> DPU_REG_WRITE(&ctx->hw, CTL_START, 0x1);
> }
>
> +static inline bool dpu_hw_ctl_is_started(struct dpu_hw_ctl *ctx)
> +{
> + return !!(DPU_REG_READ(&ctx->hw, CTL_START) & BIT(0));
> +}
> +
> static inline void dpu_hw_ctl_trigger_pending(struct dpu_hw_ctl *ctx)
> {
> trace_dpu_hw_ctl_trigger_prepare(ctx->pending_flush_mask,
> @@ -579,6 +584,7 @@ static void _setup_ctl_ops(struct dpu_hw_ctl_ops *ops,
> ops->get_pending_flush = dpu_hw_ctl_get_pending_flush;
> ops->get_flush_register = dpu_hw_ctl_get_flush_register;
> ops->trigger_start = dpu_hw_ctl_trigger_start;
> + ops->is_started = dpu_hw_ctl_is_started;
> ops->trigger_pending = dpu_hw_ctl_trigger_pending;
> ops->reset = dpu_hw_ctl_reset_control;
> ops->wait_reset_status = dpu_hw_ctl_wait_reset_status;
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
> index 806c171e5df2..ac1544474022 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
> @@ -61,6 +61,13 @@ struct dpu_hw_ctl_ops {
> */
> void (*trigger_start)(struct dpu_hw_ctl *ctx);
>
> + /**
> + * check if the ctl is started
> + * @ctx : ctl path ctx pointer
> + * @Return: true if started, false if stopped
> + */
> + bool (*is_started)(struct dpu_hw_ctl *ctx);
> +
> /**
> * kickoff prepare is in progress hw operation for sw
> * controlled interfaces: DSI cmd mode and WB interface


--
With best wishes
Dmitry

\
 
 \ /
  Last update: 2022-02-18 20:29    [W:0.077 / U:1.580 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site