Commit 78706798 authored by AngeloGioacchino Del Regno's avatar AngeloGioacchino Del Regno Committed by Dmitry Baryshkov
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drm/msm/dpu: Add a function to retrieve the current CTL status 



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: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210911163919.47173-1-angelogioacchino.delregno@somainline.org


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent 5752c921

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c

+6 −0
Original line number Diff line number Diff line
@@ -92,6 +92,11 @@ 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,
@@ -587,6 +592,7 @@ 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;

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h

+7 −0
Original line number Diff line number Diff line
@@ -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