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

Commit 668335b7 authored by Shubhashree Dhar's avatar Shubhashree Dhar
Browse files

drm/msm/sde: parse qdss entry from device tree for display driver 



Add support to parse qdss dt entry to make it accessible
to sde driver through mdp catalog structure.

Change-Id: I1efde13dcfb072fffd69a9467c19837a3774247d
Signed-off-by: default avatarShubhashree Dhar <dhar@codeaurora.org>
parent d56676a2

drivers/gpu/drm/msm/sde/sde_hw_catalog.c

+58 −0
Original line number Diff line number Diff line
@@ -711,6 +711,11 @@ static struct sde_prop_type merge_3d_prop[] = { 
	{HW_LEN, "qcom,sde-merge-3d-size", false, PROP_TYPE_U32},

};



static struct sde_prop_type qdss_prop[] = {

	{HW_OFF, "qcom,sde-qdss-off", false, PROP_TYPE_U32_ARRAY},

	{HW_LEN, "qcom,sde-qdss-size", false, PROP_TYPE_U32},

};



static struct sde_prop_type inline_rot_prop[INLINE_ROT_PROP_MAX] = {

	{INLINE_ROT_XIN, "qcom,sde-inline-rot-xin", false,

							PROP_TYPE_U32_ARRAY},
@@ -3472,6 +3477,55 @@ static int sde_parse_merge_3d_dt(struct device_node *np, 
	return rc;

}



int sde_qdss_parse_dt(struct device_node *np, struct sde_mdss_cfg *sde_cfg)

{

	int rc, prop_count[HW_PROP_MAX], i;

	struct sde_prop_value *prop_value = NULL;

	bool prop_exists[HW_PROP_MAX];

	u32 off_count;

	struct sde_qdss_cfg *qdss;



	if (!sde_cfg) {

		SDE_ERROR("invalid argument\n");

		rc = -EINVAL;

		goto end;

	}



	prop_value = kzalloc(HW_PROP_MAX *

			sizeof(struct sde_prop_value), GFP_KERNEL);

	if (!prop_value) {

		rc = -ENOMEM;

		goto end;

	}



	rc = _validate_dt_entry(np, qdss_prop, ARRAY_SIZE(qdss_prop),

			prop_count, &off_count);

	if (rc) {

		sde_cfg->qdss_count = 0;

		goto end;

	}



	sde_cfg->qdss_count = off_count;



	rc = _read_dt_entry(np, qdss_prop, ARRAY_SIZE(qdss_prop), prop_count,

			prop_exists, prop_value);

	if (rc)

		goto end;



	for (i = 0; i < off_count; i++) {

		qdss = sde_cfg->qdss + i;

		qdss->base = PROP_VALUE_ACCESS(prop_value, HW_OFF, i);

		qdss->id = QDSS_0 + i;

		snprintf(qdss->name, SDE_HW_BLK_NAME_LEN, "qdss_%u",

				qdss->id - QDSS_0);

		qdss->len = PROP_VALUE_ACCESS(prop_value, HW_LEN, 0);

	}



end:

	kfree(prop_value);

	return rc;

}



static int sde_hardware_format_caps(struct sde_mdss_cfg *sde_cfg,

	uint32_t hw_rev)

{
@@ -3882,6 +3936,10 @@ struct sde_mdss_cfg *sde_hw_catalog_init(struct drm_device *dev, u32 hw_rev) 
	if (rc)

		goto end;



	rc = sde_qdss_parse_dt(np, sde_cfg);

	if (rc)

		goto end;



	rc = _sde_hardware_post_caps(sde_cfg, hw_rev);

	if (rc)

		goto end;