lkml.org 
[lkml]   [2021]   [Jan]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 8/9] drm/msm/dpu: Add a function to retrieve the current CTL status
Date
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>
---
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 758c355b4fd8..626fd41379fb 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
@@ -82,6 +82,11 @@ 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,
@@ -550,6 +555,7 @@ 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 ec579b470a80..c376b5ae7803 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
@@ -59,6 +59,13 @@ 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
--
2.29.2
\
 
 \ /
  Last update: 2021-01-09 14:38    [W:0.035 / U:0.580 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site