Lyude Paul
2018-Jul-12 17:13 UTC
[Nouveau] [PATCH] drm/nouveau: Don't forget to label dp_aux devices
This makes debugging with DP tracing a lot harder to interpret, so name
each i2c based off the name of the encoder that it's for
Signed-off-by: Lyude Paul <lyude at redhat.com>
---
drivers/gpu/drm/nouveau/dispnv04/disp.c | 2 +-
drivers/gpu/drm/nouveau/dispnv50/disp.c | 2 +-
drivers/gpu/drm/nouveau/nouveau_connector.c | 12 ++++++++++--
drivers/gpu/drm/nouveau/nouveau_connector.h | 3 ++-
4 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c
b/drivers/gpu/drm/nouveau/dispnv04/disp.c
index 501d2d290e9c..45ff1872d894 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c
@@ -64,7 +64,7 @@ nv04_display_create(struct drm_device *dev)
for (i = 0; i < dcb->entries; i++) {
struct dcb_output *dcbent = &dcb->entry[i];
- connector = nouveau_connector_create(dev, dcbent->connector);
+ connector = nouveau_connector_create(dev, dcbent);
if (IS_ERR(connector))
continue;
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c
b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 9382e99a0bc7..4f8d51590bbb 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -2198,7 +2198,7 @@ nv50_display_create(struct drm_device *dev)
/* create encoder/connector objects based on VBIOS DCB table */
for (i = 0, dcbe = &dcb->entry[0]; i < dcb->entries; i++, dcbe++)
{
- connector = nouveau_connector_create(dev, dcbe->connector);
+ connector = nouveau_connector_create(dev, dcbe);
if (IS_ERR(connector))
continue;
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c
b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 7b557c354307..0c5cc600c973 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -408,8 +408,10 @@ nouveau_connector_destroy(struct drm_connector *connector)
kfree(nv_connector->edid);
drm_connector_unregister(connector);
drm_connector_cleanup(connector);
- if (nv_connector->aux.transfer)
+ if (nv_connector->aux.transfer) {
drm_dp_aux_unregister(&nv_connector->aux);
+ kfree(nv_connector->aux.name);
+ }
kfree(connector);
}
@@ -1201,13 +1203,16 @@ drm_conntype_from_dcb(enum dcb_connector_type dcb)
}
struct drm_connector *
-nouveau_connector_create(struct drm_device *dev, int index)
+nouveau_connector_create(struct drm_device *dev,
+ const struct dcb_output *dcbe)
{
const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_display *disp = nouveau_display(dev);
struct nouveau_connector *nv_connector = NULL;
struct drm_connector *connector;
+ char aux_name[48] = {0};
+ int index = dcbe->connector;
int type, ret = 0;
bool dummy;
@@ -1306,6 +1311,9 @@ nouveau_connector_create(struct drm_device *dev, int
index)
case DRM_MODE_CONNECTOR_eDP:
nv_connector->aux.dev = dev->dev;
nv_connector->aux.transfer = nouveau_connector_aux_xfer;
+ snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x",
+ dcbe->hasht, dcbe->hashm);
+ nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL);
ret = drm_dp_aux_register(&nv_connector->aux);
if (ret) {
NV_ERROR(drm, "failed to register aux channel\n");
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.h
b/drivers/gpu/drm/nouveau/nouveau_connector.h
index a4d1a059bd3d..2c5cb51c7c33 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.h
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.h
@@ -35,6 +35,7 @@
#include "nouveau_crtc.h"
struct nvkm_i2c_port;
+struct dcb_output;
struct nouveau_connector {
struct drm_connector base;
@@ -76,7 +77,7 @@ nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc)
}
struct drm_connector *
-nouveau_connector_create(struct drm_device *, int index);
+nouveau_connector_create(struct drm_device *, const struct dcb_output *);
extern int nouveau_tv_disable;
extern int nouveau_ignorelid;
--
2.17.1
Karol Herbst
2018-Jul-17 10:27 UTC
[Nouveau] [PATCH] drm/nouveau: Don't forget to label dp_aux devices
Reviewed-by: Karol Herbst <karolherbst at gmail.com> 2018-07-12 19:13 GMT+02:00 Lyude Paul <lyude at redhat.com>:> This makes debugging with DP tracing a lot harder to interpret, so name > each i2c based off the name of the encoder that it's for > > Signed-off-by: Lyude Paul <lyude at redhat.com> > --- > drivers/gpu/drm/nouveau/dispnv04/disp.c | 2 +- > drivers/gpu/drm/nouveau/dispnv50/disp.c | 2 +- > drivers/gpu/drm/nouveau/nouveau_connector.c | 12 ++++++++++-- > drivers/gpu/drm/nouveau/nouveau_connector.h | 3 ++- > 4 files changed, 14 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c > index 501d2d290e9c..45ff1872d894 100644 > --- a/drivers/gpu/drm/nouveau/dispnv04/disp.c > +++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c > @@ -64,7 +64,7 @@ nv04_display_create(struct drm_device *dev) > for (i = 0; i < dcb->entries; i++) { > struct dcb_output *dcbent = &dcb->entry[i]; > > - connector = nouveau_connector_create(dev, dcbent->connector); > + connector = nouveau_connector_create(dev, dcbent); > if (IS_ERR(connector)) > continue; > > diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c > index 9382e99a0bc7..4f8d51590bbb 100644 > --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c > +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c > @@ -2198,7 +2198,7 @@ nv50_display_create(struct drm_device *dev) > > /* create encoder/connector objects based on VBIOS DCB table */ > for (i = 0, dcbe = &dcb->entry[0]; i < dcb->entries; i++, dcbe++) { > - connector = nouveau_connector_create(dev, dcbe->connector); > + connector = nouveau_connector_create(dev, dcbe); > if (IS_ERR(connector)) > continue; > > diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c > index 7b557c354307..0c5cc600c973 100644 > --- a/drivers/gpu/drm/nouveau/nouveau_connector.c > +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c > @@ -408,8 +408,10 @@ nouveau_connector_destroy(struct drm_connector *connector) > kfree(nv_connector->edid); > drm_connector_unregister(connector); > drm_connector_cleanup(connector); > - if (nv_connector->aux.transfer) > + if (nv_connector->aux.transfer) { > drm_dp_aux_unregister(&nv_connector->aux); > + kfree(nv_connector->aux.name); > + } > kfree(connector); > } > > @@ -1201,13 +1203,16 @@ drm_conntype_from_dcb(enum dcb_connector_type dcb) > } > > struct drm_connector * > -nouveau_connector_create(struct drm_device *dev, int index) > +nouveau_connector_create(struct drm_device *dev, > + const struct dcb_output *dcbe) > { > const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; > struct nouveau_drm *drm = nouveau_drm(dev); > struct nouveau_display *disp = nouveau_display(dev); > struct nouveau_connector *nv_connector = NULL; > struct drm_connector *connector; > + char aux_name[48] = {0}; > + int index = dcbe->connector; > int type, ret = 0; > bool dummy; > > @@ -1306,6 +1311,9 @@ nouveau_connector_create(struct drm_device *dev, int index) > case DRM_MODE_CONNECTOR_eDP: > nv_connector->aux.dev = dev->dev; > nv_connector->aux.transfer = nouveau_connector_aux_xfer; > + snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x", > + dcbe->hasht, dcbe->hashm); > + nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL); > ret = drm_dp_aux_register(&nv_connector->aux); > if (ret) { > NV_ERROR(drm, "failed to register aux channel\n"); > diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.h b/drivers/gpu/drm/nouveau/nouveau_connector.h > index a4d1a059bd3d..2c5cb51c7c33 100644 > --- a/drivers/gpu/drm/nouveau/nouveau_connector.h > +++ b/drivers/gpu/drm/nouveau/nouveau_connector.h > @@ -35,6 +35,7 @@ > #include "nouveau_crtc.h" > > struct nvkm_i2c_port; > +struct dcb_output; > > struct nouveau_connector { > struct drm_connector base; > @@ -76,7 +77,7 @@ nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc) > } > > struct drm_connector * > -nouveau_connector_create(struct drm_device *, int index); > +nouveau_connector_create(struct drm_device *, const struct dcb_output *); > > extern int nouveau_tv_disable; > extern int nouveau_ignorelid; > -- > 2.17.1 > > _______________________________________________ > Nouveau mailing list > Nouveau at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/nouveau
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