On Tue, Sep 3, 2019 at 4:49 PM Lyude Paul <lyude@xxxxxxxxxx> wrote: > > Currently, every single piece of code in amdgpu that loops through > connectors does it incorrectly and doesn't use the proper list iteration > helpers, drm_connector_list_iter_begin() and > drm_connector_list_iter_end(). Yeesh. > > So, do that. In fairness, I think the origin of this code predated the iterators. Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> > > Cc: Juston Li <juston.li@xxxxxxxxx> > Cc: Imre Deak <imre.deak@xxxxxxxxx> > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > Cc: Harry Wentland <hwentlan@xxxxxxx> > Cc: Daniel Vetter <daniel.vetter@xxxxxxxx> > Signed-off-by: Lyude Paul <lyude@xxxxxxxxxx> > --- > .../gpu/drm/amd/amdgpu/amdgpu_connectors.c | 13 +++++- > drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 20 +++++++--- > drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 5 ++- > drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c | 40 +++++++++++++------ > drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 5 ++- > drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 34 ++++++++++++---- > drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 34 ++++++++++++---- > drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 40 ++++++++++++++----- > drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 34 ++++++++++++---- > .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 33 ++++++++------- > .../drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 10 ++++- > 11 files changed, 195 insertions(+), 73 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c > index ece55c8fa673..bd31bb595c04 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c > @@ -1022,8 +1022,12 @@ amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force) > */ > if (amdgpu_connector->shared_ddc && (ret == connector_status_connected)) { > struct drm_connector *list_connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *list_amdgpu_connector; > - list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) { > + > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(list_connector, > + &iter) { > if (connector == list_connector) > continue; > list_amdgpu_connector = to_amdgpu_connector(list_connector); > @@ -1040,6 +1044,7 @@ amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force) > } > } > } > + drm_connector_list_iter_end(&iter); > } > } > } > @@ -1501,6 +1506,7 @@ amdgpu_connector_add(struct amdgpu_device *adev, > { > struct drm_device *dev = adev->ddev; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector; > struct amdgpu_connector_atom_dig *amdgpu_dig_connector; > struct drm_encoder *encoder; > @@ -1515,10 +1521,12 @@ amdgpu_connector_add(struct amdgpu_device *adev, > return; > > /* see if we already added it */ > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > amdgpu_connector = to_amdgpu_connector(connector); > if (amdgpu_connector->connector_id == connector_id) { > amdgpu_connector->devices |= supported_device; > + drm_connector_list_iter_end(&iter); > return; > } > if (amdgpu_connector->ddc_bus && i2c_bus->valid) { > @@ -1533,6 +1541,7 @@ amdgpu_connector_add(struct amdgpu_device *adev, > } > } > } > + drm_connector_list_iter_end(&iter); > > /* check if it's a dp bridge */ > list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > index 2f884699eaef..acd39ce9b08e 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > @@ -3004,6 +3004,7 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) > struct amdgpu_device *adev; > struct drm_crtc *crtc; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > int r; > > if (dev == NULL || dev->dev_private == NULL) { > @@ -3026,9 +3027,11 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) > if (!amdgpu_device_has_dc_support(adev)) { > /* turn off display hw */ > drm_modeset_lock_all(dev); > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > - drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); > - } > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) > + drm_helper_connector_dpms(connector, > + DRM_MODE_DPMS_OFF); > + drm_connector_list_iter_end(&iter); > drm_modeset_unlock_all(dev); > /* unpin the front buffers and cursors */ > list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { > @@ -3107,6 +3110,7 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) > int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) > { > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_device *adev = dev->dev_private; > struct drm_crtc *crtc; > int r = 0; > @@ -3177,9 +3181,13 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) > > /* turn on display hw */ > drm_modeset_lock_all(dev); > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > - drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); > - } > + > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) > + drm_helper_connector_dpms(connector, > + DRM_MODE_DPMS_ON); > + drm_connector_list_iter_end(&iter); > + > drm_modeset_unlock_all(dev); > } > amdgpu_fbdev_set_suspend(adev, 0); > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c > index 1d4aaa9580f4..d2dd59a95e8a 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c > @@ -370,11 +370,13 @@ void amdgpu_display_print_display_setup(struct drm_device *dev) > struct amdgpu_connector *amdgpu_connector; > struct drm_encoder *encoder; > struct amdgpu_encoder *amdgpu_encoder; > + struct drm_connector_list_iter iter; > uint32_t devices; > int i = 0; > > + drm_connector_list_iter_begin(dev, &iter); > DRM_INFO("AMDGPU Display Connectors\n"); > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_for_each_connector_iter(connector, &iter) { > amdgpu_connector = to_amdgpu_connector(connector); > DRM_INFO("Connector %d:\n", i); > DRM_INFO(" %s\n", connector->name); > @@ -438,6 +440,7 @@ void amdgpu_display_print_display_setup(struct drm_device *dev) > } > i++; > } > + drm_connector_list_iter_end(&iter); > } > > /** > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c > index 571a6dfb473e..61fcf247a638 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c > @@ -37,12 +37,14 @@ amdgpu_link_encoder_connector(struct drm_device *dev) > { > struct amdgpu_device *adev = dev->dev_private; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector; > struct drm_encoder *encoder; > struct amdgpu_encoder *amdgpu_encoder; > > + drm_connector_list_iter_begin(dev, &iter); > /* walk the list and link encoders to connectors */ > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_for_each_connector_iter(connector, &iter) { > amdgpu_connector = to_amdgpu_connector(connector); > list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { > amdgpu_encoder = to_amdgpu_encoder(encoder); > @@ -55,6 +57,7 @@ amdgpu_link_encoder_connector(struct drm_device *dev) > } > } > } > + drm_connector_list_iter_end(&iter); > } > > void amdgpu_encoder_set_active_device(struct drm_encoder *encoder) > @@ -62,8 +65,10 @@ void amdgpu_encoder_set_active_device(struct drm_encoder *encoder) > struct drm_device *dev = encoder->dev; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); > amdgpu_encoder->active_device = amdgpu_encoder->devices & amdgpu_connector->devices; > @@ -72,6 +77,7 @@ void amdgpu_encoder_set_active_device(struct drm_encoder *encoder) > amdgpu_connector->devices, encoder->encoder_type); > } > } > + drm_connector_list_iter_end(&iter); > } > > struct drm_connector * > @@ -79,15 +85,20 @@ amdgpu_get_connector_for_encoder(struct drm_encoder *encoder) > { > struct drm_device *dev = encoder->dev; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > - struct drm_connector *connector; > + struct drm_connector *connector, *found = NULL; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > amdgpu_connector = to_amdgpu_connector(connector); > - if (amdgpu_encoder->active_device & amdgpu_connector->devices) > - return connector; > + if (amdgpu_encoder->active_device & amdgpu_connector->devices) { > + found = connector; > + break; > + } > } > - return NULL; > + drm_connector_list_iter_end(&iter); > + return found; > } > > struct drm_connector * > @@ -95,15 +106,20 @@ amdgpu_get_connector_for_encoder_init(struct drm_encoder *encoder) > { > struct drm_device *dev = encoder->dev; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > - struct drm_connector *connector; > + struct drm_connector *connector, *found = NULL; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > amdgpu_connector = to_amdgpu_connector(connector); > - if (amdgpu_encoder->devices & amdgpu_connector->devices) > - return connector; > + if (amdgpu_encoder->devices & amdgpu_connector->devices) { > + found = connector; > + break; > + } > } > - return NULL; > + drm_connector_list_iter_end(&iter); > + return found; > } > > struct drm_encoder *amdgpu_get_external_encoder(struct drm_encoder *encoder) > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c > index 2a3f5ec298db..977e121204e6 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c > @@ -87,10 +87,13 @@ static void amdgpu_hotplug_work_func(struct work_struct *work) > struct drm_device *dev = adev->ddev; > struct drm_mode_config *mode_config = &dev->mode_config; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > > mutex_lock(&mode_config->mutex); > - list_for_each_entry(connector, &mode_config->connector_list, head) > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) > amdgpu_connector_hotplug(connector); > + drm_connector_list_iter_end(&iter); > mutex_unlock(&mode_config->mutex); > /* Just fire off a uevent and let userspace tell us what to do */ > drm_helper_hpd_irq_event(dev); > diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c > index 645550e7caf5..be82871ac3bd 100644 > --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c > +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c > @@ -330,9 +330,11 @@ static void dce_v10_0_hpd_init(struct amdgpu_device *adev) > { > struct drm_device *dev = adev->ddev; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > u32 tmp; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); > > if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) > @@ -368,6 +370,7 @@ static void dce_v10_0_hpd_init(struct amdgpu_device *adev) > amdgpu_irq_get(adev, &adev->hpd_irq, > amdgpu_connector->hpd.hpd); > } > + drm_connector_list_iter_end(&iter); > } > > /** > @@ -382,9 +385,11 @@ static void dce_v10_0_hpd_fini(struct amdgpu_device *adev) > { > struct drm_device *dev = adev->ddev; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > u32 tmp; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); > > if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) > @@ -397,6 +402,7 @@ static void dce_v10_0_hpd_fini(struct amdgpu_device *adev) > amdgpu_irq_put(adev, &adev->hpd_irq, > amdgpu_connector->hpd.hpd); > } > + drm_connector_list_iter_end(&iter); > } > > static u32 dce_v10_0_hpd_get_gpio_reg(struct amdgpu_device *adev) > @@ -1219,10 +1225,12 @@ static void dce_v10_0_afmt_audio_select_pin(struct drm_encoder *encoder) > static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder, > struct drm_display_mode *mode) > { > - struct amdgpu_device *adev = encoder->dev->dev_private; > + struct drm_device *dev = encoder->dev; > + struct amdgpu_device *adev = dev->dev_private; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > u32 tmp; > int interlace = 0; > @@ -1230,12 +1238,14 @@ static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder, > if (!dig || !dig->afmt || !dig->afmt->pin) > return; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > @@ -1261,10 +1271,12 @@ static void dce_v10_0_audio_write_latency_fields(struct drm_encoder *encoder, > > static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder) > { > - struct amdgpu_device *adev = encoder->dev->dev_private; > + struct drm_device *dev = encoder->dev; > + struct amdgpu_device *adev = dev->dev_private; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > u32 tmp; > u8 *sadb = NULL; > @@ -1273,12 +1285,14 @@ static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder > if (!dig || !dig->afmt || !dig->afmt->pin) > return; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > @@ -1313,10 +1327,12 @@ static void dce_v10_0_audio_write_speaker_allocation(struct drm_encoder *encoder > > static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder) > { > - struct amdgpu_device *adev = encoder->dev->dev_private; > + struct drm_device *dev = encoder->dev; > + struct amdgpu_device *adev = dev->dev_private; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > struct cea_sad *sads; > int i, sad_count; > @@ -1339,12 +1355,14 @@ static void dce_v10_0_audio_write_sad_regs(struct drm_encoder *encoder) > if (!dig || !dig->afmt || !dig->afmt->pin) > return; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c > index d9f470632b2c..bde48775cf1b 100644 > --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c > +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c > @@ -348,9 +348,11 @@ static void dce_v11_0_hpd_init(struct amdgpu_device *adev) > { > struct drm_device *dev = adev->ddev; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > u32 tmp; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); > > if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) > @@ -385,6 +387,7 @@ static void dce_v11_0_hpd_init(struct amdgpu_device *adev) > dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); > amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); > } > + drm_connector_list_iter_end(&iter); > } > > /** > @@ -399,9 +402,11 @@ static void dce_v11_0_hpd_fini(struct amdgpu_device *adev) > { > struct drm_device *dev = adev->ddev; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > u32 tmp; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); > > if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) > @@ -413,6 +418,7 @@ static void dce_v11_0_hpd_fini(struct amdgpu_device *adev) > > amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); > } > + drm_connector_list_iter_end(&iter); > } > > static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev) > @@ -1245,10 +1251,12 @@ static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder) > static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder, > struct drm_display_mode *mode) > { > - struct amdgpu_device *adev = encoder->dev->dev_private; > + struct drm_device *dev = encoder->dev; > + struct amdgpu_device *adev = dev->dev_private; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > u32 tmp; > int interlace = 0; > @@ -1256,12 +1264,14 @@ static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder, > if (!dig || !dig->afmt || !dig->afmt->pin) > return; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > @@ -1287,10 +1297,12 @@ static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder, > > static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder) > { > - struct amdgpu_device *adev = encoder->dev->dev_private; > + struct drm_device *dev = encoder->dev; > + struct amdgpu_device *adev = dev->dev_private; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > u32 tmp; > u8 *sadb = NULL; > @@ -1299,12 +1311,14 @@ static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder > if (!dig || !dig->afmt || !dig->afmt->pin) > return; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > @@ -1339,10 +1353,12 @@ static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder > > static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder) > { > - struct amdgpu_device *adev = encoder->dev->dev_private; > + struct drm_device *dev = encoder->dev; > + struct amdgpu_device *adev = dev->dev_private; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > struct cea_sad *sads; > int i, sad_count; > @@ -1365,12 +1381,14 @@ static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder) > if (!dig || !dig->afmt || !dig->afmt->pin) > return; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c > index 3eb2e7429269..65f61de931d7 100644 > --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c > +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c > @@ -281,9 +281,11 @@ static void dce_v6_0_hpd_init(struct amdgpu_device *adev) > { > struct drm_device *dev = adev->ddev; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > u32 tmp; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); > > if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) > @@ -309,7 +311,7 @@ static void dce_v6_0_hpd_init(struct amdgpu_device *adev) > dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); > amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); > } > - > + drm_connector_list_iter_end(&iter); > } > > /** > @@ -324,9 +326,11 @@ static void dce_v6_0_hpd_fini(struct amdgpu_device *adev) > { > struct drm_device *dev = adev->ddev; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > u32 tmp; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); > > if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) > @@ -338,6 +342,7 @@ static void dce_v6_0_hpd_fini(struct amdgpu_device *adev) > > amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); > } > + drm_connector_list_iter_end(&iter); > } > > static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev) > @@ -1124,20 +1129,24 @@ static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder) > static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder, > struct drm_display_mode *mode) > { > - struct amdgpu_device *adev = encoder->dev->dev_private; > + struct drm_device *dev = encoder->dev; > + struct amdgpu_device *adev = dev->dev_private; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > int interlace = 0; > u32 tmp; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > @@ -1164,21 +1173,25 @@ static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder, > > static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder) > { > - struct amdgpu_device *adev = encoder->dev->dev_private; > + struct drm_device *dev = encoder->dev; > + struct amdgpu_device *adev = dev->dev_private; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > u8 *sadb = NULL; > int sad_count; > u32 tmp; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > @@ -1221,10 +1234,12 @@ static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder) > > static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder) > { > - struct amdgpu_device *adev = encoder->dev->dev_private; > + struct drm_device *dev = encoder->dev; > + struct amdgpu_device *adev = dev->dev_private; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > struct cea_sad *sads; > int i, sad_count; > @@ -1244,12 +1259,14 @@ static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder) > { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, > }; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > @@ -1632,6 +1649,7 @@ static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder, > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > int em = amdgpu_atombios_encoder_get_encoder_mode(encoder); > int bpc = 8; > @@ -1639,12 +1657,14 @@ static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder, > if (!dig || !dig->afmt) > return; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c > index a16c5e9e610e..e5f50882a51d 100644 > --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c > +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c > @@ -275,9 +275,11 @@ static void dce_v8_0_hpd_init(struct amdgpu_device *adev) > { > struct drm_device *dev = adev->ddev; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > u32 tmp; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); > > if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) > @@ -303,6 +305,7 @@ static void dce_v8_0_hpd_init(struct amdgpu_device *adev) > dce_v8_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); > amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); > } > + drm_connector_list_iter_end(&iter); > } > > /** > @@ -317,9 +320,11 @@ static void dce_v8_0_hpd_fini(struct amdgpu_device *adev) > { > struct drm_device *dev = adev->ddev; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > u32 tmp; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); > > if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) > @@ -331,6 +336,7 @@ static void dce_v8_0_hpd_fini(struct amdgpu_device *adev) > > amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); > } > + drm_connector_list_iter_end(&iter); > } > > static u32 dce_v8_0_hpd_get_gpio_reg(struct amdgpu_device *adev) > @@ -1157,10 +1163,12 @@ static void dce_v8_0_afmt_audio_select_pin(struct drm_encoder *encoder) > static void dce_v8_0_audio_write_latency_fields(struct drm_encoder *encoder, > struct drm_display_mode *mode) > { > - struct amdgpu_device *adev = encoder->dev->dev_private; > + struct drm_device *dev = encoder->dev; > + struct amdgpu_device *adev = dev->dev_private; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > u32 tmp = 0, offset; > > @@ -1169,12 +1177,14 @@ static void dce_v8_0_audio_write_latency_fields(struct drm_encoder *encoder, > > offset = dig->afmt->pin->offset; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > @@ -1214,10 +1224,12 @@ static void dce_v8_0_audio_write_latency_fields(struct drm_encoder *encoder, > > static void dce_v8_0_audio_write_speaker_allocation(struct drm_encoder *encoder) > { > - struct amdgpu_device *adev = encoder->dev->dev_private; > + struct drm_device *dev = encoder->dev; > + struct amdgpu_device *adev = dev->dev_private; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > u32 offset, tmp; > u8 *sadb = NULL; > @@ -1228,12 +1240,14 @@ static void dce_v8_0_audio_write_speaker_allocation(struct drm_encoder *encoder) > > offset = dig->afmt->pin->offset; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > @@ -1263,11 +1277,13 @@ static void dce_v8_0_audio_write_speaker_allocation(struct drm_encoder *encoder) > > static void dce_v8_0_audio_write_sad_regs(struct drm_encoder *encoder) > { > - struct amdgpu_device *adev = encoder->dev->dev_private; > + struct drm_device *dev = encoder->dev; > + struct amdgpu_device *adev = dev->dev_private; > struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder); > struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv; > u32 offset; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct amdgpu_connector *amdgpu_connector = NULL; > struct cea_sad *sads; > int i, sad_count; > @@ -1292,12 +1308,14 @@ static void dce_v8_0_audio_write_sad_regs(struct drm_encoder *encoder) > > offset = dig->afmt->pin->offset; > > - list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > if (connector->encoder == encoder) { > amdgpu_connector = to_amdgpu_connector(connector); > break; > } > } > + drm_connector_list_iter_end(&iter); > > if (!amdgpu_connector) { > DRM_ERROR("Couldn't find encoder's connector\n"); > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > index 0a71ed1e7762..73630e2940d4 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > @@ -896,27 +896,29 @@ static int detect_mst_link_for_all_connectors(struct drm_device *dev) > { > struct amdgpu_dm_connector *aconnector; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > int ret = 0; > > - drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); > - > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > aconnector = to_amdgpu_dm_connector(connector); > if (aconnector->dc_link->type == dc_connection_mst_branch && > aconnector->mst_mgr.aux) { > DRM_DEBUG_DRIVER("DM_MST: starting TM on aconnector: %p [id: %d]\n", > - aconnector, aconnector->base.base.id); > + aconnector, > + aconnector->base.base.id); > > ret = drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, true); > if (ret < 0) { > DRM_ERROR("DM_MST: Failed to start MST\n"); > - ((struct dc_link *)aconnector->dc_link)->type = dc_connection_single; > - return ret; > - } > + aconnector->dc_link->type = > + dc_connection_single; > + break; > } > + } > } > + drm_connector_list_iter_end(&iter); > > - drm_modeset_unlock(&dev->mode_config.connection_mutex); > return ret; > } > > @@ -954,14 +956,13 @@ static void s3_handle_mst(struct drm_device *dev, bool suspend) > { > struct amdgpu_dm_connector *aconnector; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct drm_dp_mst_topology_mgr *mgr; > int ret; > bool need_hotplug = false; > > - drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); > - > - list_for_each_entry(connector, &dev->mode_config.connector_list, > - head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > aconnector = to_amdgpu_dm_connector(connector); > if (aconnector->dc_link->type != dc_connection_mst_branch || > aconnector->mst_port) > @@ -979,8 +980,7 @@ static void s3_handle_mst(struct drm_device *dev, bool suspend) > } > } > } > - > - drm_modeset_unlock(&dev->mode_config.connection_mutex); > + drm_connector_list_iter_end(&iter); > > if (need_hotplug) > drm_kms_helper_hotplug_event(dev); > @@ -1162,6 +1162,7 @@ static int dm_resume(void *handle) > struct amdgpu_display_manager *dm = &adev->dm; > struct amdgpu_dm_connector *aconnector; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > struct drm_crtc *crtc; > struct drm_crtc_state *new_crtc_state; > struct dm_crtc_state *dm_new_crtc_state; > @@ -1194,7 +1195,8 @@ static int dm_resume(void *handle) > amdgpu_dm_irq_resume_early(adev); > > /* Do detection*/ > - list_for_each_entry(connector, &ddev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(ddev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > aconnector = to_amdgpu_dm_connector(connector); > > /* > @@ -1222,6 +1224,7 @@ static int dm_resume(void *handle) > amdgpu_dm_update_connector_after_detect(aconnector); > mutex_unlock(&aconnector->hpd_lock); > } > + drm_connector_list_iter_end(&iter); > > /* Force mode set in atomic commit */ > for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i) > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c > index fa5d503d379c..64445c4cc4c2 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c > @@ -732,8 +732,10 @@ void amdgpu_dm_hpd_init(struct amdgpu_device *adev) > { > struct drm_device *dev = adev->ddev; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > struct amdgpu_dm_connector *amdgpu_dm_connector = > to_amdgpu_dm_connector(connector); > > @@ -751,6 +753,7 @@ void amdgpu_dm_hpd_init(struct amdgpu_device *adev) > true); > } > } > + drm_connector_list_iter_end(&iter); > } > > /** > @@ -765,8 +768,10 @@ void amdgpu_dm_hpd_fini(struct amdgpu_device *adev) > { > struct drm_device *dev = adev->ddev; > struct drm_connector *connector; > + struct drm_connector_list_iter iter; > > - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { > + drm_connector_list_iter_begin(dev, &iter); > + drm_for_each_connector_iter(connector, &iter) { > struct amdgpu_dm_connector *amdgpu_dm_connector = > to_amdgpu_dm_connector(connector); > const struct dc_link *dc_link = amdgpu_dm_connector->dc_link; > @@ -779,4 +784,5 @@ void amdgpu_dm_hpd_fini(struct amdgpu_device *adev) > false); > } > } > + drm_connector_list_iter_end(&iter); > } > -- > 2.21.0 > > _______________________________________________ > amd-gfx mailing list > amd-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel