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path: root/drivers/gpu/drm/nouveau
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Diffstat (limited to 'drivers/gpu/drm/nouveau')
-rw-r--r--drivers/gpu/drm/nouveau/dispnv04/disp.c2
-rw-r--r--drivers/gpu/drm/nouveau/dispnv04/tvnv17.c6
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/disp.c2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c5
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_connector.c3
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c6
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drv.h1
-rw-r--r--drivers/gpu/drm/nouveau/nvif/object.c24
8 files changed, 35 insertions, 14 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c
index 13705c5f1497..4b7497a8755c 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c
@@ -68,7 +68,7 @@ nv04_display_fini(struct drm_device *dev, bool runtime, bool suspend)
if (nv_two_heads(dev))
NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
- if (!runtime)
+ if (!runtime && !drm->headless)
cancel_work_sync(&drm->hpd_work);
if (!suspend)
diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
index 670c9739e5e1..2033214c4b78 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c
@@ -209,6 +209,8 @@ static int nv17_tv_get_ld_modes(struct drm_encoder *encoder,
struct drm_display_mode *mode;
mode = drm_mode_duplicate(encoder->dev, tv_mode);
+ if (!mode)
+ continue;
mode->clock = tv_norm->tv_enc_mode.vrefresh *
mode->htotal / 1000 *
@@ -258,6 +260,8 @@ static int nv17_tv_get_hd_modes(struct drm_encoder *encoder,
if (modes[i].hdisplay == output_mode->hdisplay &&
modes[i].vdisplay == output_mode->vdisplay) {
mode = drm_mode_duplicate(encoder->dev, output_mode);
+ if (!mode)
+ continue;
mode->type |= DRM_MODE_TYPE_PREFERRED;
} else {
@@ -265,6 +269,8 @@ static int nv17_tv_get_hd_modes(struct drm_encoder *encoder,
modes[i].vdisplay, 60, false,
(output_mode->flags &
DRM_MODE_FLAG_INTERLACE), false);
+ if (!mode)
+ continue;
}
/* CVT modes are sometimes unsuitable... */
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 88728a0b2c25..674dc567e179 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -2680,7 +2680,7 @@ nv50_display_fini(struct drm_device *dev, bool runtime, bool suspend)
nv50_mstm_fini(nouveau_encoder(encoder));
}
- if (!runtime)
+ if (!runtime && !drm->headless)
cancel_work_sync(&drm->hpd_work);
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 79cfab53f80e..8c3c1f1e01c5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -43,11 +43,6 @@
#define BIOSLOG(sip, fmt, arg...) NV_DEBUG(sip->dev, fmt, ##arg)
#define LOG_OLD_VALUE(x)
-struct init_exec {
- bool execute;
- bool repeat;
-};
-
static bool nv_cksum(const uint8_t *data, unsigned int length)
{
/*
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 856b3ef5edb8..0c71d761d378 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -1001,6 +1001,9 @@ nouveau_connector_get_modes(struct drm_connector *connector)
struct drm_display_mode *mode;
mode = drm_mode_duplicate(dev, nv_connector->native_mode);
+ if (!mode)
+ return 0;
+
drm_mode_probed_add(connector, mode);
ret = 1;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index aed5d5b51b43..d4725a968827 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -450,6 +450,9 @@ nouveau_display_hpd_resume(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
+ if (drm->headless)
+ return;
+
spin_lock_irq(&drm->hpd_lock);
drm->hpd_pending = ~0;
spin_unlock_irq(&drm->hpd_lock);
@@ -635,7 +638,7 @@ nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
}
drm_connector_list_iter_end(&conn_iter);
- if (!runtime)
+ if (!runtime && !drm->headless)
cancel_work_sync(&drm->hpd_work);
drm_kms_helper_poll_disable(dev);
@@ -729,6 +732,7 @@ nouveau_display_create(struct drm_device *dev)
/* no display hw */
if (ret == -ENODEV) {
ret = 0;
+ drm->headless = true;
goto disp_create_err;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index e239c6bf4afa..25fca98a20bc 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -276,6 +276,7 @@ struct nouveau_drm {
/* modesetting */
struct nvbios vbios;
struct nouveau_display *display;
+ bool headless;
struct work_struct hpd_work;
spinlock_t hpd_lock;
u32 hpd_pending;
diff --git a/drivers/gpu/drm/nouveau/nvif/object.c b/drivers/gpu/drm/nouveau/nvif/object.c
index 4d1aaee8fe15..1d19c87eaec1 100644
--- a/drivers/gpu/drm/nouveau/nvif/object.c
+++ b/drivers/gpu/drm/nouveau/nvif/object.c
@@ -142,11 +142,16 @@ nvif_object_mthd(struct nvif_object *object, u32 mthd, void *data, u32 size)
struct nvif_ioctl_v0 ioctl;
struct nvif_ioctl_mthd_v0 mthd;
} *args;
+ u32 args_size;
u8 stack[128];
int ret;
- if (sizeof(*args) + size > sizeof(stack)) {
- if (!(args = kmalloc(sizeof(*args) + size, GFP_KERNEL)))
+ if (check_add_overflow(sizeof(*args), size, &args_size))
+ return -ENOMEM;
+
+ if (args_size > sizeof(stack)) {
+ args = kmalloc(args_size, GFP_KERNEL);
+ if (!args)
return -ENOMEM;
} else {
args = (void *)stack;
@@ -157,7 +162,7 @@ nvif_object_mthd(struct nvif_object *object, u32 mthd, void *data, u32 size)
args->mthd.method = mthd;
memcpy(args->mthd.data, data, size);
- ret = nvif_object_ioctl(object, args, sizeof(*args) + size, NULL);
+ ret = nvif_object_ioctl(object, args, args_size, NULL);
memcpy(data, args->mthd.data, size);
if (args != (void *)stack)
kfree(args);
@@ -276,7 +281,15 @@ nvif_object_ctor(struct nvif_object *parent, const char *name, u32 handle,
object->map.size = 0;
if (parent) {
- if (!(args = kmalloc(sizeof(*args) + size, GFP_KERNEL))) {
+ u32 args_size;
+
+ if (check_add_overflow(sizeof(*args), size, &args_size)) {
+ nvif_object_dtor(object);
+ return -ENOMEM;
+ }
+
+ args = kmalloc(args_size, GFP_KERNEL);
+ if (!args) {
nvif_object_dtor(object);
return -ENOMEM;
}
@@ -293,8 +306,7 @@ nvif_object_ctor(struct nvif_object *parent, const char *name, u32 handle,
args->new.oclass = oclass;
memcpy(args->new.data, data, size);
- ret = nvif_object_ioctl(parent, args, sizeof(*args) + size,
- &object->priv);
+ ret = nvif_object_ioctl(parent, args, args_size, &object->priv);
memcpy(data, args->new.data, size);
kfree(args);
if (ret == 0)
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-24 15:20:29 +0000