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Commit ebb58746 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "disp: msm: sde: switch rsc state before CTL_PREPARE in dual display"

parents a5f50d30 36e3a874

msm/sde/sde_crtc.c

+2 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2014-2021 The Linux Foundation. All rights reserved.

 * Copyright (c) 2014-2022 The Linux Foundation. All rights reserved.

 * Copyright (C) 2013 Red Hat

 * Author: Rob Clark <robdclark@gmail.com>

 *
@@ -3194,6 +3194,7 @@ static void sde_crtc_atomic_begin(struct drm_crtc *crtc, 
		if (encoder->crtc != crtc)

			continue;



		sde_encoder_trigger_rsc_state_change(encoder);

		/* encoder will trigger pending mask now */

		sde_encoder_trigger_kickoff_pending(encoder);

	}

msm/sde/sde_encoder.c

+41 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2014-2021, The Linux Foundation. All rights reserved.

 * Copyright (c) 2014-2022, The Linux Foundation. All rights reserved.

 * Copyright (C) 2013 Red Hat

 * Author: Rob Clark <robdclark@gmail.com>

 *
@@ -4398,6 +4398,46 @@ bool sde_encoder_check_curr_mode(struct drm_encoder *drm_enc, u32 mode) 
	return (disp_info->curr_panel_mode == mode);

}



void sde_encoder_trigger_rsc_state_change(struct drm_encoder *drm_enc)

{

	struct sde_encoder_virt *sde_enc = NULL;

	int ret = 0;



	sde_enc = to_sde_encoder_virt(drm_enc);



	if (!sde_enc)

		return;



	mutex_lock(&sde_enc->rc_lock);

	/*

	 * In dual display case when secondary comes out of

	 * idle make sure RSC solver mode is disabled before

	 * setting CTL_PREPARE.

	 */

	if (!sde_enc->cur_master ||

		!sde_encoder_check_curr_mode(drm_enc, MSM_DISPLAY_CMD_MODE) ||

		sde_enc->disp_info.display_type == SDE_CONNECTOR_PRIMARY ||

		sde_enc->rc_state != SDE_ENC_RC_STATE_IDLE)

		goto end;



	/* enable all the clks and resources */

	ret = _sde_encoder_resource_control_helper(drm_enc, true);

	if (ret) {

		SDE_ERROR_ENC(sde_enc, "rc in state %d\n", sde_enc->rc_state);

		SDE_EVT32(DRMID(drm_enc), sde_enc->rc_state, SDE_EVTLOG_ERROR);

		goto end;

	}



	_sde_encoder_update_rsc_client(drm_enc, true);



	SDE_EVT32(DRMID(drm_enc), sde_enc->rc_state, SDE_ENC_RC_STATE_ON);

	sde_enc->rc_state = SDE_ENC_RC_STATE_ON;



end:

	mutex_unlock(&sde_enc->rc_lock);

}





void sde_encoder_trigger_kickoff_pending(struct drm_encoder *drm_enc)

{

	struct sde_encoder_virt *sde_enc;

msm/sde/sde_encoder.h

+7 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2015-2022, The Linux Foundation. All rights reserved.

 * Copyright (C) 2013 Red Hat

 * Author: Rob Clark <robdclark@gmail.com>

 *
@@ -96,6 +96,12 @@ void sde_encoder_get_hw_resources(struct drm_encoder *encoder, 
		struct sde_encoder_hw_resources *hw_res,

		struct drm_connector_state *conn_state);



/**

 * sde_encoder_trigger_rsc_state_change - rsc state change.

 * @encoder:	encoder pointer

 */

void sde_encoder_trigger_rsc_state_change(struct drm_encoder *drm_enc);



/**

 * sde_encoder_register_vblank_callback - provide callback to encoder that

 *	will be called on the next vblank.