Merge "drivers/misc: create new module to handle sysfs and topology events" into msm-4.14 (4e10b2f5) · Commits · e / devices / android_kernel_xiaomi_sm6125

drivers/gpu/drm/msm/dp/dp_display.c

+29 −38

Original line number	Diff line number	Diff line
		@@ -48,11 +48,6 @@ struct dp_hdcp {
		void *hdcp1;
		void *hdcp2;

		int enc_lvl;

		bool auth_state;
		bool hdcp1_present;
		bool hdcp2_present;
		bool feature_enabled;
		};

		@@ -95,7 +90,6 @@ struct dp_display_private {
		struct work_struct attention_work;
		struct mutex hdcp_mutex;
		struct mutex session_lock;
		int hdcp_status;
		unsigned long audio_status;
		};

		@@ -111,9 +105,8 @@ static bool dp_display_framework_ready(struct dp_display_private *dp)

		static inline bool dp_display_is_hdcp_enabled(struct dp_display_private *dp)
		{
		return dp->hdcp.feature_enabled &&
		(dp->hdcp.hdcp1_present \|\| dp->hdcp.hdcp2_present) &&
		dp->hdcp.ops;
		return dp->hdcp.feature_enabled && dp->link->hdcp_status.hdcp_version
		&& dp->hdcp.ops;
		}

		static irqreturn_t dp_display_irq(int irq, void *dev_id)
		@@ -158,32 +151,25 @@ static void dp_display_hdcp_cb_work(struct work_struct *work)

		ops = dp->hdcp.ops;

		switch (dp->hdcp_status) {
		case HDCP_STATE_AUTHENTICATING:
		pr_debug("start authenticaton\n");
		pr_debug("%s: %s\n",
		sde_hdcp_version(dp->link->hdcp_status.hdcp_version),
		sde_hdcp_state_name(dp->link->hdcp_status.hdcp_state));

		switch (dp->link->hdcp_status.hdcp_state) {
		case HDCP_STATE_AUTHENTICATING:
		if (dp->hdcp.ops && dp->hdcp.ops->authenticate)
		rc = dp->hdcp.ops->authenticate(dp->hdcp.data);

		break;
		case HDCP_STATE_AUTHENTICATED:
		pr_debug("hdcp authenticated\n");
		dp->hdcp.auth_state = true;
		break;
		case HDCP_STATE_AUTH_FAIL:
		dp->hdcp.auth_state = false;

		if (dp->power_on) {
		pr_debug("Reauthenticating\n");
		if (ops && ops->reauthenticate) {
		rc = ops->reauthenticate(dp->hdcp.data);
		if (rc)
		pr_err("reauth failed rc=%d\n", rc);
		pr_err("failed rc=%d\n", rc);
		}
		} else {
		pr_debug("not reauthenticating, cable disconnected\n");
		}

		break;
		default:
		break;
		@@ -191,7 +177,7 @@ static void dp_display_hdcp_cb_work(struct work_struct *work)
		}

		static void dp_display_notify_hdcp_status_cb(void *ptr,
		enum sde_hdcp_states status)
		enum sde_hdcp_state state)
		{
		struct dp_display_private *dp = ptr;

		@@ -200,7 +186,7 @@ static void dp_display_notify_hdcp_status_cb(void *ptr,
		return;
		}

		dp->hdcp_status = status;
		dp->link->hdcp_status.hdcp_state = state;

		if (dp->dp_display.is_connected)
		queue_delayed_work(dp->wq, &dp->hdcp_cb_work, HZ/4);
		@@ -216,12 +202,16 @@ static void dp_display_update_hdcp_info(struct dp_display_private *dp)
		{
		void *fd = NULL;
		struct sde_hdcp_ops *ops = NULL;
		bool hdcp2_present = false, hdcp1_present = false;

		if (!dp) {
		pr_err("invalid input\n");
		return;
		}

		dp->link->hdcp_status.hdcp_state = HDCP_STATE_INACTIVE;
		dp->link->hdcp_status.hdcp_version = HDCP_VERSION_NONE;

		if (!dp->hdcp.feature_enabled) {
		pr_debug("feature not enabled\n");
		return;
		@@ -232,27 +222,28 @@ static void dp_display_update_hdcp_info(struct dp_display_private *dp)
		ops = sde_dp_hdcp2p2_start(fd);

		if (ops && ops->feature_supported)
		dp->hdcp.hdcp2_present = ops->feature_supported(fd);
		hdcp2_present = ops->feature_supported(fd);
		else
		dp->hdcp.hdcp2_present = false;
		hdcp2_present = false;

		pr_debug("hdcp2p2: %s\n",
		dp->hdcp.hdcp2_present ? "supported" : "not supported");
		hdcp2_present ? "supported" : "not supported");

		if (IS_ENABLED(CONFIG_HDCP_QSEECOM) && !dp->hdcp.hdcp2_present) {
		dp->hdcp.hdcp1_present =
		hdcp1_check_if_supported_load_app();

		if (dp->hdcp.hdcp1_present) {
		if (IS_ENABLED(CONFIG_HDCP_QSEECOM) && !hdcp2_present) {
		hdcp1_present = hdcp1_check_if_supported_load_app();
		if (hdcp1_present) {
		fd = dp->hdcp.hdcp1;
		ops = sde_hdcp_1x_start(fd);
		dp->link->hdcp_status.hdcp_version = HDCP_VERSION_1X;
		}
		} else {
		dp->link->hdcp_status.hdcp_version = HDCP_VERSION_2P2;
		}

		pr_debug("hdcp1x: %s\n",
		dp->hdcp.hdcp1_present ? "supported" : "not supported");
		hdcp1_present ? "supported" : "not supported");

		if (dp->hdcp.hdcp2_present \|\| dp->hdcp.hdcp1_present) {
		if (hdcp2_present \|\| hdcp1_present) {
		dp->hdcp.data = fd;
		dp->hdcp.ops = ops;
		} else {
		@@ -292,7 +283,6 @@ static int dp_display_initialize_hdcp(struct dp_display_private *dp)
		hdcp_init_data.drm_aux = dp->aux->drm_aux;
		hdcp_init_data.cb_data = (void *)dp;
		hdcp_init_data.workq = dp->wq;
		hdcp_init_data.mutex = &dp->hdcp_mutex;
		hdcp_init_data.sec_access = true;
		hdcp_init_data.notify_status = dp_display_notify_hdcp_status_cb;
		hdcp_init_data.dp_ahb = &parser->get_io(parser, "dp_ahb")->io;
		@@ -304,6 +294,7 @@ static int dp_display_initialize_hdcp(struct dp_display_private *dp)
		hdcp_init_data.hdcp_io = &parser->get_io(parser,
		"hdcp_physical")->io;
		hdcp_init_data.revision = &dp->panel->link_info.revision;
		hdcp_init_data.msm_hdcp_dev = dp->parser->msm_hdcp_dev;

		dp->hdcp.hdcp1 = sde_hdcp_1x_init(&hdcp_init_data);
		if (IS_ERR_OR_NULL(dp->hdcp.hdcp1)) {
		@@ -629,7 +620,7 @@ static int dp_display_usbpd_configure_cb(struct device *dev)
		static void dp_display_clean(struct dp_display_private *dp)
		{
		if (dp_display_is_hdcp_enabled(dp)) {
		dp->hdcp_status = HDCP_STATE_INACTIVE;
		dp->link->hdcp_status.hdcp_state = HDCP_STATE_INACTIVE;

		cancel_delayed_work_sync(&dp->hdcp_cb_work);
		if (dp->hdcp.ops->off)
		@@ -1157,7 +1148,7 @@ static int dp_display_post_enable(struct dp_display dp_display, void panel)
		if (dp_display_is_hdcp_enabled(dp)) {
		cancel_delayed_work_sync(&dp->hdcp_cb_work);

		dp->hdcp_status = HDCP_STATE_AUTHENTICATING;
		dp->link->hdcp_status.hdcp_state = HDCP_STATE_AUTHENTICATING;
		queue_delayed_work(dp->wq, &dp->hdcp_cb_work, HZ / 2);
		}

		@@ -1191,7 +1182,7 @@ static int dp_display_pre_disable(struct dp_display dp_display, void panel)
		}

		if (dp_display_is_hdcp_enabled(dp)) {
		dp->hdcp_status = HDCP_STATE_INACTIVE;
		dp->link->hdcp_status.hdcp_state = HDCP_STATE_INACTIVE;

		cancel_delayed_work_sync(&dp->hdcp_cb_work);
		if (dp->hdcp.ops->off)

drivers/gpu/drm/msm/dp/dp_hdcp2p2.c

+5 −20

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@
		#include <linux/types.h>
		#include <linux/kthread.h>
		#include <linux/hdcp_qseecom.h>
		#include <linux/msm_hdcp.h>
		#include <drm/drm_dp_helper.h>

		#include "sde_hdcp.h"
		@@ -320,35 +321,16 @@ static void dp_hdcp2p2_min_level_change(void *client_ctx,
		struct dp_hdcp2p2_ctrl ctrl = (struct dp_hdcp2p2_ctrl )client_ctx;
		struct hdcp_lib_wakeup_data cdata = {
		HDCP_LIB_WKUP_CMD_QUERY_STREAM_TYPE};
		bool enc_notify = true;
		int enc_lvl;

		if (!ctrl) {
		pr_err("invalid input\n");
		return;
		}

		switch (min_enc_level) {
		case 0:
		enc_lvl = HDCP_STATE_AUTH_ENC_NONE;
		break;
		case 1:
		enc_lvl = HDCP_STATE_AUTH_ENC_1X;
		break;
		case 2:
		enc_lvl = HDCP_STATE_AUTH_ENC_2P2;
		break;
		default:
		enc_notify = false;
		}

		pr_debug("enc level changed %d\n", min_enc_level);

		cdata.context = ctrl->lib_ctx;
		dp_hdcp2p2_wakeup_lib(ctrl, &cdata);

		if (enc_notify && ctrl->init_data.notify_status)
		ctrl->init_data.notify_status(ctrl->init_data.cb_data, enc_lvl);
		}

		static void dp_hdcp2p2_auth_failed(struct dp_hdcp2p2_ctrl *ctrl)
		@@ -812,7 +794,6 @@ void sde_dp_hdcp2p2_init(struct sde_hdcp_init_data init_data)

		static struct hdcp_client_ops client_ops = {
		.wakeup = dp_hdcp2p2_wakeup,
		.notify_lvl_change = dp_hdcp2p2_min_level_change,
		};
		static struct dp_hdcp2p2_int_set int_set1[] = {
		{BIT(17), "authentication successful", NULL},
		@@ -872,6 +853,10 @@ void sde_dp_hdcp2p2_init(struct sde_hdcp_init_data init_data)
		goto error;
		}

		if (IS_ENABLED(CONFIG_HDCP_QSEECOM))
		msm_hdcp_register_cb(init_data->msm_hdcp_dev, ctrl,
		dp_hdcp2p2_min_level_change);

		kthread_init_worker(&ctrl->worker);

		kthread_init_work(&ctrl->auth, dp_hdcp2p2_auth_work);

drivers/gpu/drm/msm/dp/dp_link.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -72,6 +72,11 @@ struct dp_link_test_audio {
		u32 test_audio_period_ch_8;
		};

		struct dp_link_hdcp_status {
		int hdcp_state;
		int hdcp_version;
		};

		struct dp_link_phy_params {
		u32 phy_test_pattern_sel;
		u8 v_level;
		@@ -110,6 +115,7 @@ struct dp_link {
		struct dp_link_test_audio test_audio;
		struct dp_link_phy_params phy_params;
		struct dp_link_params link_params;
		struct dp_link_hdcp_status hdcp_status;

		u32 (get_test_bits_depth)(struct dp_link dp_link, u32 bpp);
		int (process_request)(struct dp_link dp_link);

drivers/gpu/drm/msm/dp/dp_parser.c

+29 −0

Original line number	Diff line number	Diff line
		@@ -15,6 +15,7 @@
		#define pr_fmt(fmt) "[drm-dp] %s: " fmt, __func__

		#include <linux/of_gpio.h>
		#include <linux/of_platform.h>

		#include "dp_parser.h"

		@@ -159,6 +160,30 @@ static int dp_parser_misc(struct dp_parser *parser)
		return 0;
		}

		static int dp_parser_msm_hdcp_dev(struct dp_parser *parser)
		{
		struct device_node *node;
		struct platform_device *pdev;

		node = of_find_compatible_node(NULL, NULL, "qcom,msm-hdcp");
		if (!node) {
		// This is a non-fatal error, module initialization can proceed
		pr_warn("couldn't find msm-hdcp node\n");
		return 0;
		}

		pdev = of_find_device_by_node(node);
		if (!pdev) {
		// This is a non-fatal error, module initialization can proceed
		pr_warn("couldn't find msm-hdcp pdev\n");
		return 0;
		}

		parser->msm_hdcp_dev = &pdev->dev;

		return 0;
		}

		static int dp_parser_pinctrl(struct dp_parser *parser)
		{
		int rc = 0;
		@@ -678,6 +703,10 @@ static int dp_parser_parse(struct dp_parser *parser)
		goto err;

		rc = dp_parser_pinctrl(parser);
		if (rc)
		goto err;

		rc = dp_parser_msm_hdcp_dev(parser);
		err:
		return rc;
		}

drivers/gpu/drm/msm/dp/dp_parser.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -181,6 +181,7 @@ static inline char *dp_phy_aux_config_type_to_string(u32 cfg_type)
		* struct dp_parser - DP parser's data exposed to clients
		*
		* @pdev: platform data of the client
		* @msm_hdcp_dev: device pointer for the HDCP driver
		* @mp: gpio, regulator and clock related data
		* @pinctrl: pin-control related data
		* @disp_data: controller's display related data
		@@ -192,6 +193,7 @@ static inline char *dp_phy_aux_config_type_to_string(u32 cfg_type)
		*/
		struct dp_parser {
		struct platform_device *pdev;
		struct device *msm_hdcp_dev;
		struct dss_module_power mp[DP_MAX_PM];
		struct dp_pinctrl pinctrl;
		struct dp_io io;