engine/disp/outp.c

27 #include "ior.h"
38 	struct nvkm_ior *ior;
40 	list_for_each_entry(ior, &disp->iors, head) {
41 		if ((outp = ior->arm.outp) && ior->arm.outp != ior->asy.outp) {
42 			OUTP_DBG(outp, "release %s", ior->name);
43 			if (ior->func->route.set)
44 				ior->func->route.set(outp, NULL);
45 			ior->arm.outp = NULL;
49 	list_for_each_entry(ior, &disp->iors, head) {
50 		if ((outp = ior->asy.outp)) {
51 			if (ior->asy.outp != ior->arm.outp) {
52 				OUTP_DBG(outp, "acquire %s", ior->name);
53 				if (ior->func->route.set)
54 					ior->func->route.set(outp, ior);
55 				ior->arm.outp = ior->asy.outp;
94 	struct nvkm_ior *ior = outp->ior;
95 	OUTP_TRACE(outp, "release %02x &= %02x %p", outp->acquired, ~user, ior);
96 	if (ior) {
99 			outp->ior->asy.outp = NULL;
100 			outp->ior = NULL;
106 nvkm_outp_acquire_ior(struct nvkm_outp *outp, u8 user, struct nvkm_ior *ior)
108 	outp->ior = ior;
109 	outp->ior->asy.outp = outp;
110 	outp->ior->asy.link = outp->info.sorconf.link;
119 	struct nvkm_ior *ior;
122 	list_for_each_entry(ior, &outp->disp->iors, head) {
123 		if (!ior->identity && ior->hda == hda &&
124 		    !ior->asy.outp && ior->type == type && !ior->arm.outp &&
125 		    (ior->func->route.set || ior->id == __ffs(outp->info.or)))
126 			return nvkm_outp_acquire_ior(outp, user, ior);
132 	list_for_each_entry(ior, &outp->disp->iors, head) {
133 		if (!ior->identity && ior->hda == hda &&
134 		    !ior->asy.outp && ior->type == type &&
135 		    (ior->func->route.set || ior->id == __ffs(outp->info.or)))
136 			return nvkm_outp_acquire_ior(outp, user, ior);
145 	struct nvkm_ior *ior = outp->ior;
149 	OUTP_TRACE(outp, "acquire %02x |= %02x %p", outp->acquired, user, ior);
150 	if (ior) {
162 		ior = nvkm_ior_find(outp->disp, SOR, ffs(outp->info.or) - 1);
163 		if (WARN_ON(!ior))
165 		return nvkm_outp_acquire_ior(outp, user, ior);
171 	list_for_each_entry(ior, &outp->disp->iors, head) {
172 		if (!ior->identity && !ior->asy.outp && ior->arm.outp == outp) {
184 			WARN_ON(hda && !ior->hda);
185 			return nvkm_outp_acquire_ior(outp, user, ior);
219 	if (outp->ior->func->bl)
220 		ret = outp->ior->func->bl->set(outp->ior, level);
237 	if (outp->ior->func->bl)
238 		ret = outp->ior->func->bl->get(outp->ior);
294 	struct nvkm_ior *ior;
304 	ior = nvkm_ior_find(disp, type, -1);
305 	if (WARN_ON(!ior))
309 	if (ior->func->route.get) {
310 		id = ior->func->route.get(outp, &link);
318 		link = (ior->type == SOR) ? outp->info.sorconf.link : 0;
321 	ior = nvkm_ior_find(disp, type, id);
322 	if (WARN_ON(!ior))
325 	return ior;
333 	struct nvkm_ior *ior;
337 	ior = outp->func->inherit(outp);
338 	if (!ior)
342 	ior->func->state(ior, &ior->arm);
343 	if (!ior->arm.head || ior->arm.proto != proto) {
344 		OUTP_DBG(outp, "no heads (%x %d %d)", ior->arm.head,
345 			 ior->arm.proto, proto);
351 		if (ior->func->route.get && !ior->arm.head && outp->info.type == DCB_OUTPUT_DP)
352 			nvkm_dp_disable(outp, ior);
357 	OUTP_DBG(outp, "on %s link %x", ior->name, ior->arm.link);
358 	ior->arm.outp = outp;