From 3c7fc252b3fab080db110057d2d6d8c9a56d349b Mon Sep 17 00:00:00 2001
From: Lyude Paul <lyude@redhat.com>
Date: Thu, 12 Jul 2018 13:13:52 -0400
Subject: [PATCH] drm/nouveau/drm/nouveau: Don't forget to label dp_aux devices
Git-commit: 3c7fc252b3fab080db110057d2d6d8c9a56d349b
Patch-mainline: v5.0-rc1
References: bsc#1133593
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@redhat.com>
Reviewed-by: Karol Herbst <karolherbst@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/nouveau/dispnv04/disp.c | 2 +-
drivers/gpu/drm/nouveau/dispnv50/disp.c | 2 +-
drivers/gpu/drm/nouveau/nouveau_connector.c | 9 ++++++++-
drivers/gpu/drm/nouveau/nouveau_connector.h | 3 ++-
4 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c
index 70dce544984e..1727d399833c 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c
@@ -67,7 +67,7 @@ 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 6aa3521b6326..00add3ba051f 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -2301,7 +2301,7 @@ 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 fd80661dff92..96d7a92e3023 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -403,6 +403,7 @@ nouveau_connector_destroy(struct drm_connector *connector)
if (nv_connector->aux.transfer) {
drm_dp_cec_unregister_connector(&nv_connector->aux);
drm_dp_aux_unregister(&nv_connector->aux);
+ kfree(nv_connector->aux.name);
}
kfree(connector);
}
@@ -1232,7 +1233,8 @@ 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);
@@ -1240,6 +1242,8 @@ nouveau_connector_create(struct drm_device *dev, int index)
struct nouveau_connector *nv_connector = NULL;
struct drm_connector *connector;
struct drm_connector_list_iter conn_iter;
+ char aux_name[48] = {0};
+ int index = dcbe->connector;
int type, ret = 0;
bool dummy;
@@ -1342,6 +1346,9 @@ 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 f57ef35b1e5e..f43a8d63aef8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.h
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.h
@@ -38,6 +38,7 @@
#include "nouveau_encoder.h"
struct nvkm_i2c_port;
+struct dcb_output;
#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
struct nouveau_backlight;
@@ -113,7 +114,7 @@ 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;
--
2.16.4