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-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/disp.c92
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/disp.h2
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/head.c17
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/head.h3
4 files changed, 68 insertions, 46 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index a3d07a1e404e..eba520508e4f 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -660,7 +660,6 @@ struct nv50_mstm {
struct nouveau_encoder *outp;
struct drm_dp_mst_topology_mgr mgr;
- struct nv50_msto *msto[4];
bool modified;
bool disabled;
@@ -726,7 +725,6 @@ nv50_msto_cleanup(struct nv50_msto *msto)
drm_dp_mst_deallocate_vcpi(&mstm->mgr, mstc->port);
msto->mstc = NULL;
- msto->head = NULL;
msto->disabled = false;
}
@@ -872,7 +870,6 @@ nv50_msto_enable(struct drm_encoder *encoder)
mstm->outp->update(mstm->outp, head->base.index, armh, proto,
nv50_dp_bpc_to_depth(armh->or.bpc));
- msto->head = head;
msto->mstc = mstc;
mstm->modified = true;
}
@@ -913,37 +910,40 @@ nv50_msto = {
.destroy = nv50_msto_destroy,
};
-static int
-nv50_msto_new(struct drm_device *dev, u32 heads, const char *name, int id,
- struct nv50_msto **pmsto)
+static struct nv50_msto *
+nv50_msto_new(struct drm_device *dev, struct nv50_head *head, int id)
{
struct nv50_msto *msto;
int ret;
- if (!(msto = *pmsto = kzalloc(sizeof(*msto), GFP_KERNEL)))
- return -ENOMEM;
+ msto = kzalloc(sizeof(*msto), GFP_KERNEL);
+ if (!msto)
+ return ERR_PTR(-ENOMEM);
ret = drm_encoder_init(dev, &msto->encoder, &nv50_msto,
- DRM_MODE_ENCODER_DPMST, "%s-mst-%d", name, id);
+ DRM_MODE_ENCODER_DPMST, "mst-%d", id);
if (ret) {
- kfree(*pmsto);
- *pmsto = NULL;
- return ret;
+ kfree(msto);
+ return ERR_PTR(ret);
}
drm_encoder_helper_add(&msto->encoder, &nv50_msto_help);
- msto->encoder.possible_crtcs = heads;
- return 0;
+ msto->encoder.possible_crtcs = drm_crtc_mask(&head->base.base);
+ msto->head = head;
+ return msto;
}
static struct drm_encoder *
nv50_mstc_atomic_best_encoder(struct drm_connector *connector,
struct drm_connector_state *connector_state)
{
- struct nv50_head *head = nv50_head(connector_state->crtc);
struct nv50_mstc *mstc = nv50_mstc(connector);
+ struct drm_crtc *crtc = connector_state->crtc;
- return &mstc->mstm->msto[head->base.index]->encoder;
+ if (!(mstc->mstm->outp->dcb->heads & drm_crtc_mask(crtc)))
+ return NULL;
+
+ return &nv50_head(crtc)->msto->encoder;
}
static enum drm_mode_status
@@ -1062,8 +1062,9 @@ nv50_mstc_new(struct nv50_mstm *mstm, struct drm_dp_mst_port *port,
const char *path, struct nv50_mstc **pmstc)
{
struct drm_device *dev = mstm->outp->base.base.dev;
+ struct drm_crtc *crtc;
struct nv50_mstc *mstc;
- int ret, i;
+ int ret;
if (!(mstc = *pmstc = kzalloc(sizeof(*mstc), GFP_KERNEL)))
return -ENOMEM;
@@ -1083,8 +1084,13 @@ nv50_mstc_new(struct nv50_mstm *mstm, struct drm_dp_mst_port *port,
mstc->connector.funcs->reset(&mstc->connector);
nouveau_conn_attach_properties(&mstc->connector);
- for (i = 0; i < ARRAY_SIZE(mstm->msto) && mstm->msto[i]; i++)
- drm_connector_attach_encoder(&mstc->connector, &mstm->msto[i]->encoder);
+ drm_for_each_crtc(crtc, dev) {
+ if (!(mstm->outp->dcb->heads & drm_crtc_mask(crtc)))
+ continue;
+
+ drm_connector_attach_encoder(&mstc->connector,
+ &nv50_head(crtc)->msto->encoder);
+ }
drm_object_attach_property(&mstc->connector.base, dev->mode_config.path_property, 0);
drm_object_attach_property(&mstc->connector.base, dev->mode_config.tile_property, 0);
@@ -1358,7 +1364,7 @@ nv50_mstm_new(struct nouveau_encoder *outp, struct drm_dp_aux *aux, int aux_max,
const int max_payloads = hweight8(outp->dcb->heads);
struct drm_device *dev = outp->base.base.dev;
struct nv50_mstm *mstm;
- int ret, i;
+ int ret;
u8 dpcd;
/* This is a workaround for some monitors not functioning
@@ -1381,13 +1387,6 @@ nv50_mstm_new(struct nouveau_encoder *outp, struct drm_dp_aux *aux, int aux_max,
if (ret)
return ret;
- for (i = 0; i < max_payloads; i++) {
- ret = nv50_msto_new(dev, outp->dcb->heads, outp->base.base.name,
- i, &mstm->msto[i]);
- if (ret)
- return ret;
- }
-
return 0;
}
@@ -1560,17 +1559,24 @@ nv50_sor_func = {
.destroy = nv50_sor_destroy,
};
+static bool nv50_has_mst(struct nouveau_drm *drm)
+{
+ struct nvkm_bios *bios = nvxx_bios(&drm->client.device);
+ u32 data;
+ u8 ver, hdr, cnt, len;
+
+ data = nvbios_dp_table(bios, &ver, &hdr, &cnt, &len);
+ return data && ver >= 0x40 && (nvbios_rd08(bios, data + 0x08) & 0x04);
+}
+
static int
nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
{
struct nouveau_connector *nv_connector = nouveau_connector(connector);
struct nouveau_drm *drm = nouveau_drm(connector->dev);
- struct nvkm_bios *bios = nvxx_bios(&drm->client.device);
struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device);
struct nouveau_encoder *nv_encoder;
struct drm_encoder *encoder;
- u8 ver, hdr, cnt, len;
- u32 data;
int type, ret;
switch (dcbe->type) {
@@ -1615,10 +1621,9 @@ nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
}
if (nv_connector->type != DCB_CONNECTOR_eDP &&
- (data = nvbios_dp_table(bios, &ver, &hdr, &cnt, &len)) &&
- ver >= 0x40 && (nvbios_rd08(bios, data + 0x08) & 0x04)) {
- ret = nv50_mstm_new(nv_encoder, &nv_connector->aux, 16,
- nv_connector->base.base.id,
+ nv50_has_mst(drm)) {
+ ret = nv50_mstm_new(nv_encoder, &nv_connector->aux,
+ 16, nv_connector->base.base.id,
&nv_encoder->dp.mstm);
if (ret)
return ret;
@@ -2314,6 +2319,7 @@ nv50_display_create(struct drm_device *dev)
struct nv50_disp *disp;
struct dcb_output *dcbe;
int crtcs, ret, i;
+ bool has_mst = nv50_has_mst(drm);
disp = kzalloc(sizeof(*disp), GFP_KERNEL);
if (!disp)
@@ -2362,11 +2368,25 @@ nv50_display_create(struct drm_device *dev)
crtcs = 0x3;
for (i = 0; i < fls(crtcs); i++) {
+ struct nv50_head *head;
+
if (!(crtcs & (1 << i)))
continue;
- ret = nv50_head_create(dev, i);
- if (ret)
+
+ head = nv50_head_create(dev, i);
+ if (IS_ERR(head)) {
+ ret = PTR_ERR(head);
goto out;
+ }
+
+ if (has_mst) {
+ head->msto = nv50_msto_new(dev, head, i);
+ if (IS_ERR(head->msto)) {
+ ret = PTR_ERR(head->msto);
+ head->msto = NULL;
+ goto out;
+ }
+ }
}
/* create encoder/connector objects based on VBIOS DCB table */
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.h b/drivers/gpu/drm/nouveau/dispnv50/disp.h
index c0a79531b087..d54fe00ac3a3 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.h
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.h
@@ -4,6 +4,8 @@
#include "nouveau_display.h"
+struct nv50_msto;
+
struct nv50_disp {
struct nvif_disp *disp;
struct nv50_core *core;
diff --git a/drivers/gpu/drm/nouveau/dispnv50/head.c b/drivers/gpu/drm/nouveau/dispnv50/head.c
index f64c87dfc1d0..d9d64602947d 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/head.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/head.c
@@ -483,7 +483,7 @@ nv50_head_func = {
.atomic_destroy_state = nv50_head_atomic_destroy_state,
};
-int
+struct nv50_head *
nv50_head_create(struct drm_device *dev, int index)
{
struct nouveau_drm *drm = nouveau_drm(dev);
@@ -495,7 +495,7 @@ nv50_head_create(struct drm_device *dev, int index)
head = kzalloc(sizeof(*head), GFP_KERNEL);
if (!head)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
head->func = disp->core->func->head;
head->base.index = index;
@@ -513,7 +513,7 @@ nv50_head_create(struct drm_device *dev, int index)
ret = nv50_curs_new(drm, head->base.index, &curs);
if (ret) {
kfree(head);
- return ret;
+ return ERR_PTR(ret);
}
crtc = &head->base.base;
@@ -528,12 +528,11 @@ nv50_head_create(struct drm_device *dev, int index)
if (head->func->olut_set) {
ret = nv50_lut_init(disp, &drm->client.mmu, &head->olut);
- if (ret)
- goto out;
+ if (ret) {
+ nv50_head_destroy(crtc);
+ return ERR_PTR(ret);
+ }
}
-out:
- if (ret)
- nv50_head_destroy(crtc);
- return ret;
+ return head;
}
diff --git a/drivers/gpu/drm/nouveau/dispnv50/head.h b/drivers/gpu/drm/nouveau/dispnv50/head.h
index 5c2cda2f32a8..c32b27cdaefc 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/head.h
+++ b/drivers/gpu/drm/nouveau/dispnv50/head.h
@@ -11,9 +11,10 @@ struct nv50_head {
const struct nv50_head_func *func;
struct nouveau_crtc base;
struct nv50_lut olut;
+ struct nv50_msto *msto;
};
-int nv50_head_create(struct drm_device *, int index);
+struct nv50_head *nv50_head_create(struct drm_device *, int index);
void nv50_head_flush_set(struct nv50_head *, struct nv50_head_atom *);
void nv50_head_flush_clr(struct nv50_head *, struct nv50_head_atom *, bool y);
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 13:23:12 +0000