Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3520ec90 authored by Jayant Shekhar's avatar Jayant Shekhar
Browse files

sde: rotator: add support to configure bus scale vectors 



Add support to configure the bus scale vectors from sde rotator
device tree.

Change-Id: Ic9f65165f5e7490c36b7b97d293a05fc0091b7e6
Signed-off-by: default avatarJayant Shekhar <jshekhar@codeaurora.org>
parent 630218f7

Documentation/devicetree/bindings/fb/mdss-rotator.txt

+14 −0
Original line number Diff line number Diff line
@@ -53,6 +53,8 @@ Optional properties 
				bandwidth compression (ubwc)

- qcom,mdss-has-downscale	Boolean property to indicate

				if the hw supports downscale

- qcom,sde-reg-bus:		Subnode to provide Bus scaling for register access for

				rotator



Example:

	mdss_rotator: qcom,mdss_rotator {
@@ -75,4 +77,16 @@ Example: 
		vdd-supply = <&gdsc_mdss>;

		gdsc-mmagic-mdss-supply = <&gdsc_mmagic_mdss>;

		qcom,supply-names = "vdd", "gdsc-mmagic-mdss";

		qcom,sde-reg-bus {

		    /* Reg Bus Scale Settings */

		    qcom,msm-bus,name = "mdss_rot_reg";

		    qcom,msm-bus,num-cases = <4>;

		    qcom,msm-bus,num-paths = <1>;

		    qcom,msm-bus,active-only;

		    qcom,msm-bus,vectors-KBps =

			    <1 590 0 0>,

			    <1 590 0 76800>,

			    <1 590 0 160000>,

			    <1 590 0 320000>;

		};

	};

drivers/media/platform/msm/sde/rotator/sde_rotator_base.c

+16 −1
Original line number Diff line number Diff line
@@ -477,6 +477,7 @@ static int sde_mdp_parse_dt_misc(struct platform_device *pdev, 
{

	int rc;

	u32 data;

	struct device_node *node;



	rc = of_property_read_u32(pdev->dev.of_node, "qcom,mdss-rot-block-size",

		&data);
@@ -505,6 +506,19 @@ static int sde_mdp_parse_dt_misc(struct platform_device *pdev, 


	mdata->mdp_base = mdata->sde_io.base + SDE_MDP_OFFSET;



	node = of_get_child_by_name(pdev->dev.of_node,

				"qcom,sde-reg-bus");

	if (node) {

		mdata->reg_bus_pdata = msm_bus_pdata_from_node(pdev, node);

		if (IS_ERR_OR_NULL(mdata->reg_bus_pdata)) {

			SDEROT_DBG("bus_pdata reg_bus failed\n");

			mdata->reg_bus_pdata = NULL;

		}

	} else {

		SDEROT_DBG("sde-reg-bus not found\n");

		mdata->reg_bus_pdata = NULL;

	}



	return 0;

}
@@ -553,10 +567,11 @@ static int sde_mdp_bus_scale_register(struct sde_rot_data_type *mdata) 
		if (!mdata->reg_bus_hdl) {

			/* Continue without reg_bus scaling */

			SDEROT_WARN("reg_bus_client register failed\n");

		} else

		} else {

			SDEROT_DBG("register reg_bus_hdl=%x\n",

					mdata->reg_bus_hdl);

		}

	}



	return 0;

}

drivers/media/platform/msm/sde/rotator/sde_rotator_base.h

+1 −0
Original line number Diff line number Diff line
@@ -195,6 +195,7 @@ struct sde_rot_data_type { 
	struct ion_client *iclient;



	bool handoff_done;

	struct msm_bus_scale_pdata *reg_bus_pdata;

};



int sde_rotator_base_init(struct sde_rot_data_type **pmdata,

drivers/media/platform/msm/sde/rotator/sde_rotator_core.c

+11 −6
Original line number Diff line number Diff line
@@ -2419,6 +2419,7 @@ static int sde_rotator_parse_dt_bus(struct sde_rot_mgr *mgr, 
{

	int ret = 0, i;

	int usecases;

	struct sde_rot_data_type *mdata = sde_rot_get_mdata();



	mgr->data_bus.bus_scale_pdata = msm_bus_cl_get_pdata(dev);

	if (IS_ERR_OR_NULL(mgr->data_bus.bus_scale_pdata)) {
@@ -2431,6 +2432,9 @@ static int sde_rotator_parse_dt_bus(struct sde_rot_mgr *mgr, 
		}

	}



	if (mdata && mdata->reg_bus_pdata) {

		mgr->reg_bus.bus_scale_pdata = mdata->reg_bus_pdata;

	} else {

		mgr->reg_bus.bus_scale_pdata = &rot_reg_bus_scale_table;

		usecases = mgr->reg_bus.bus_scale_pdata->num_usecases;

		for (i = 0; i < usecases; i++) {
@@ -2438,6 +2442,7 @@ static int sde_rotator_parse_dt_bus(struct sde_rot_mgr *mgr, 
			rot_reg_bus_usecases[i].vectors =

				&rot_reg_bus_vectors[i];

		}

	}



	return ret;

}