Lines Matching defs:lspcon

60 	return &enc_to_dig_port(encoder)->lspcon;
63 static struct intel_dp *lspcon_to_intel_dp(struct intel_lspcon *lspcon)
66 		container_of(lspcon, struct intel_digital_port, lspcon);
86 static bool lspcon_detect_vendor(struct intel_lspcon *lspcon)
88 	struct intel_dp *intel_dp = lspcon_to_intel_dp(lspcon);
104 		lspcon->vendor = LSPCON_VENDOR_MCA;
109 		lspcon->vendor = LSPCON_VENDOR_PARADE;
121 static u32 get_hdr_status_reg(struct intel_lspcon *lspcon)
123 	if (lspcon->vendor == LSPCON_VENDOR_MCA)
131 	struct intel_lspcon *lspcon = &dig_port->lspcon;
132 	struct intel_dp *intel_dp = lspcon_to_intel_dp(lspcon);
137 	ret = drm_dp_dpcd_read(&intel_dp->aux, get_hdr_status_reg(lspcon),
142 		lspcon->hdr_supported = false;
145 		lspcon->hdr_supported = true;
148 	return lspcon->hdr_supported;
151 static enum drm_lspcon_mode lspcon_get_current_mode(struct intel_lspcon *lspcon)
153 	struct intel_dp *intel_dp = lspcon_to_intel_dp(lspcon);
165 static int lspcon_get_mode_settle_timeout(struct intel_lspcon *lspcon)
174 	return lspcon->vendor == LSPCON_VENDOR_PARADE ? 800 : 400;
177 static enum drm_lspcon_mode lspcon_wait_mode(struct intel_lspcon *lspcon,
180 	struct intel_dp *intel_dp = lspcon_to_intel_dp(lspcon);
184 	current_mode = lspcon_get_current_mode(lspcon);
191 	wait_for((current_mode = lspcon_get_current_mode(lspcon)) == mode,
192 		 lspcon_get_mode_settle_timeout(lspcon));
203 static int lspcon_change_mode(struct intel_lspcon *lspcon,
206 	struct intel_dp *intel_dp = lspcon_to_intel_dp(lspcon);
224 				  lspcon_get_mode_settle_timeout(lspcon));
230 	lspcon->mode = mode;
235 static bool lspcon_wake_native_aux_ch(struct intel_lspcon *lspcon)
237 	struct intel_dp *intel_dp = lspcon_to_intel_dp(lspcon);
241 	if (drm_dp_dpcd_readb(&lspcon_to_intel_dp(lspcon)->aux, DP_DPCD_REV,
253 static bool lspcon_probe(struct intel_lspcon *lspcon)
255 	struct intel_dp *intel_dp = lspcon_to_intel_dp(lspcon);
262 	expected_mode = lspcon_wake_native_aux_ch(lspcon) ?
283 	lspcon->mode = lspcon_wait_mode(lspcon, expected_mode);
290 	if (lspcon->mode != DRM_LSPCON_MODE_PCON) {
291 		if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON) < 0) {
299 static void lspcon_resume_in_pcon_wa(struct intel_lspcon *lspcon)
301 	struct intel_dp *intel_dp = lspcon_to_intel_dp(lspcon);
492 	struct intel_lspcon *lspcon = enc_to_intel_lspcon(encoder);
497 		if (lspcon->vendor == LSPCON_VENDOR_MCA)
505 		drm_dbg_kms(display->drm, "Update HDR metadata for lspcon\n");
537 	struct intel_lspcon *lspcon = &dig_port->lspcon;
544 	if (!lspcon->active) {
639 	struct intel_lspcon *lspcon = enc_to_intel_lspcon(encoder);
644 	if (lspcon->vendor == LSPCON_VENDOR_MCA)
652 	if (lspcon->hdr_supported) {
666 	struct intel_lspcon *lspcon = &dig_port->lspcon;
668 	lspcon_wait_mode(lspcon, DRM_LSPCON_MODE_PCON);
675 	struct intel_lspcon *lspcon = &dig_port->lspcon;
678 	lspcon->active = false;
679 	lspcon->mode = DRM_LSPCON_MODE_INVALID;
681 	if (!lspcon_probe(lspcon)) {
682 		drm_err(display->drm, "Failed to probe lspcon\n");
691 	if (!lspcon_detect_vendor(lspcon)) {
697 	lspcon->active = true;
704 	struct intel_lspcon *lspcon = &dig_port->lspcon;
706 	return lspcon->active;
720 	struct intel_lspcon *lspcon = &dig_port->lspcon;
726 	if (!lspcon->active) {
734 	if (lspcon_wake_native_aux_ch(lspcon)) {
736 		lspcon_resume_in_pcon_wa(lspcon);
741 	if (lspcon_wait_mode(lspcon, expected_mode) == DRM_LSPCON_MODE_PCON)
744 	if (lspcon_change_mode(lspcon, DRM_LSPCON_MODE_PCON))