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Commit 32b00d9d authored by Huijuan Xie's avatar Huijuan Xie Committed by huijuan.xie
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[ALPS08848700] drm: dsi: Support dynamic fps by sendng CMD in VFP 



[Description]
Some panel need send command in VFP when switch fps.
Add code flow to support this feature

[Test]
Test ok

MTK-Commit-Id: 4ad53138820a8e06c8c58e076999118e474b3c71

Signed-off-by: default avatarHuijuan Xie <huijuan.xie@mediatek.com>
CR-Id: ALPS08848700
Feature: Always On Display
Change-Id: I243e4b8a5d78e13ef30ec8643df00fbe6d82ca33
parent 786b2f77

drivers/gpu/drm/mediatek/mediatek_v2/mtk_dsi.c

+49 −0
Original line number Original line Diff line number Diff line
@@ -9834,6 +9834,38 @@ static void mtk_dsi_vdo_timing_change(struct mtk_dsi *dsi, 
			return;

			return;

		}

		}





		if (dsi && dsi->ext && dsi->ext->params

			&& dsi->ext->params->change_fps_by_vfp_send_cmd) {

			/*wait and clear EOF

			 * avoid other display related task break fps change task

			 * because fps change need stop & re-start vdo mode

			 */

			cmdq_pkt_wfe(handle,

				     mtk_crtc->gce_obj.event[EVENT_CMD_EOF]);

			/*1.1 send cmd: stop vdo mode*/

			mtk_dsi_stop_vdo_mode(dsi, handle);

			/* for crtc first enable,dyn fps fail*/

			if (dsi->data_rate == 0) {

				dsi->data_rate = mtk_dsi_default_rate(dsi);

				mtk_mipi_tx_pll_rate_set_adpt(dsi->phy, dsi->data_rate);

				if (dsi->ext->params->data_rate_khz)

					mtk_mipi_tx_pll_rate_khz_set_adpt(dsi->phy,

						dsi->ext->params->data_rate_khz);

				if (dsi->slave_dsi) {

					dsi->slave_dsi->data_rate = dsi->data_rate;

					mtk_mipi_tx_pll_rate_set_adpt(dsi->slave_dsi->phy, dsi->data_rate);

					if (dsi->ext->params->data_rate_khz)

						mtk_mipi_tx_pll_rate_khz_set_adpt(dsi->slave_dsi->phy,

							dsi->ext->params->data_rate_khz);

				}

				if (dsi->data_rate) {

					mtk_dsi_phy_timconfig(dsi, NULL);

					if (dsi->slave_dsi)

						mtk_dsi_phy_timconfig(dsi->slave_dsi, NULL);

				}

			}

		}



		if (dsi->mipi_hopping_sta && dsi->ext) {

		if (dsi->mipi_hopping_sta && dsi->ext) {

			DDPINFO("%s,mipi_clk_change_sta\n", __func__);

			DDPINFO("%s,mipi_clk_change_sta\n", __func__);

			vfp = dsi->ext->params->dyn.vfp;

			vfp = dsi->ext->params->dyn.vfp;
@@ -9874,6 +9906,23 @@ static void mtk_dsi_vdo_timing_change(struct mtk_dsi *dsi, 
		if (dsi->slave_dsi)

		if (dsi->slave_dsi)

			mtk_dsi_porch_setting(&dsi->slave_dsi->ddp_comp,

			mtk_dsi_porch_setting(&dsi->slave_dsi->ddp_comp,

						handle, DSI_VFP, vfp);

						handle, DSI_VFP, vfp);



		if (dsi && dsi->ext && dsi->ext->params

			&& dsi->ext->params->change_fps_by_vfp_send_cmd) {

			/*1.2 send cmd: send cmd*/

			mtk_dsi_send_switch_cmd(dsi, handle, mtk_crtc, src_mode,

						drm_mode_vrefresh(&adjusted_mode));

			/*1.3 send cmd: start vdo mode*/

			mtk_dsi_start_vdo_mode(comp, handle);

			/*clear EOF

			 * avoid config continue after we trigger vdo mode

			 */

			cmdq_pkt_clear_event(handle,

				     mtk_crtc->gce_obj.event[EVENT_CMD_EOF]);

			/*1.4 send cmd: trigger*/

			mtk_disp_mutex_trigger(comp->mtk_crtc->mutex[0], handle);

			mtk_dsi_trigger(comp, handle);

		}

	}

	}





	if (mtk_crtc->qos_ctx)

	if (mtk_crtc->qos_ctx)

drivers/gpu/drm/mediatek/mediatek_v2/mtk_panel_ext.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -501,6 +501,7 @@ struct mtk_panel_params { 
	unsigned int data_rate;

	unsigned int data_rate;

	unsigned int data_rate_khz;

	unsigned int data_rate_khz;

	unsigned int vdo_per_frame_lp_enable; /* Enable video mode per frame lp */

	unsigned int vdo_per_frame_lp_enable; /* Enable video mode per frame lp */

	unsigned int change_fps_by_vfp_send_cmd;

	struct mtk_dsi_phy_timcon phy_timcon;

	struct mtk_dsi_phy_timcon phy_timcon;

	unsigned int vfp_low_power;

	unsigned int vfp_low_power;

	struct dynamic_mipi_params dyn;

	struct dynamic_mipi_params dyn;