[PATCH] Revert "drm/radeon: Provide ddc symlink in connector sysfs directory"

Neil Armstrong narmstrong at baylibre.com
Thu Aug 1 12:09:36 UTC 2019


On 01/08/2019 14:01, Daniel Vetter wrote:
> On Thu, Aug 1, 2019 at 1:53 PM Neil Armstrong <narmstrong at baylibre.com> wrote:
>>
>> This reverts commit bed7a2182de6833f5d0f990a656bffb1c6000c70.
>>
>> It causes the following build error:
>> ../drm/radeon/radeon_connectors.c: In function 'radeon_add_legacy_connector':
>> ../drm/radeon/radeon_connectors.c:2433:5: error: 'ddc' undeclared (first use in this function)
>>      ddc = &radeon_connector->ddc_bus->adapter;
>>      ^~~
>>
>> Suggested-by: Daniel Vetter <daniel.vetter at ffwll.ch>
>> Signed-off-by: Neil Armstrong <narmstrong at baylibre.com>
> 
> Also ddc isn't initialized to NULL in the other function, so doesn't
> work too well there either.
> 
> Acked-by: Daniel Vetter <daniel.vetter at ffwll.ch>

Applied,

Thanks
Neil

> 
> Let's try again once the tree is back in shape.
> -Daniel
>> ---
>>  drivers/gpu/drm/radeon/radeon_connectors.c | 142 ++++++---------------
>>  1 file changed, 36 insertions(+), 106 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
>> index b3ad8d890801..c60d1a44d22a 100644
>> --- a/drivers/gpu/drm/radeon/radeon_connectors.c
>> +++ b/drivers/gpu/drm/radeon/radeon_connectors.c
>> @@ -1870,7 +1870,6 @@ radeon_add_atom_connector(struct drm_device *dev,
>>         struct radeon_connector_atom_dig *radeon_dig_connector;
>>         struct drm_encoder *encoder;
>>         struct radeon_encoder *radeon_encoder;
>> -       struct i2c_adapter *ddc;
>>         uint32_t subpixel_order = SubPixelNone;
>>         bool shared_ddc = false;
>>         bool is_dp_bridge = false;
>> @@ -1948,21 +1947,17 @@ radeon_add_atom_connector(struct drm_device *dev,
>>                 radeon_connector->con_priv = radeon_dig_connector;
>>                 if (i2c_bus->valid) {
>>                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
>> -                       if (radeon_connector->ddc_bus) {
>> +                       if (radeon_connector->ddc_bus)
>>                                 has_aux = true;
>> -                               ddc = &radeon_connector->ddc_bus->adapter;
>> -                       } else {
>> +                       else
>>                                 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
>> -                       }
>>                 }
>>                 switch (connector_type) {
>>                 case DRM_MODE_CONNECTOR_VGA:
>>                 case DRM_MODE_CONNECTOR_DVIA:
>>                 default:
>> -                       drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                                   &radeon_dp_connector_funcs,
>> -                                                   connector_type,
>> -                                                   ddc);
>> +                       drm_connector_init(dev, &radeon_connector->base,
>> +                                          &radeon_dp_connector_funcs, connector_type);
>>                         drm_connector_helper_add(&radeon_connector->base,
>>                                                  &radeon_dp_connector_helper_funcs);
>>                         connector->interlace_allowed = true;
>> @@ -1984,10 +1979,8 @@ radeon_add_atom_connector(struct drm_device *dev,
>>                 case DRM_MODE_CONNECTOR_HDMIA:
>>                 case DRM_MODE_CONNECTOR_HDMIB:
>>                 case DRM_MODE_CONNECTOR_DisplayPort:
>> -                       drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                                   &radeon_dp_connector_funcs,
>> -                                                   connector_type,
>> -                                                   ddc);
>> +                       drm_connector_init(dev, &radeon_connector->base,
>> +                                          &radeon_dp_connector_funcs, connector_type);
>>                         drm_connector_helper_add(&radeon_connector->base,
>>                                                  &radeon_dp_connector_helper_funcs);
>>                         drm_object_attach_property(&radeon_connector->base.base,
>> @@ -2034,10 +2027,8 @@ radeon_add_atom_connector(struct drm_device *dev,
>>                         break;
>>                 case DRM_MODE_CONNECTOR_LVDS:
>>                 case DRM_MODE_CONNECTOR_eDP:
>> -                       drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                                   &radeon_lvds_bridge_connector_funcs,
>> -                                                   connector_type,
>> -                                                   ddc);
>> +                       drm_connector_init(dev, &radeon_connector->base,
>> +                                          &radeon_lvds_bridge_connector_funcs, connector_type);
>>                         drm_connector_helper_add(&radeon_connector->base,
>>                                                  &radeon_dp_connector_helper_funcs);
>>                         drm_object_attach_property(&radeon_connector->base.base,
>> @@ -2051,18 +2042,13 @@ radeon_add_atom_connector(struct drm_device *dev,
>>         } else {
>>                 switch (connector_type) {
>>                 case DRM_MODE_CONNECTOR_VGA:
>> +                       drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
>> +                       drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
>>                         if (i2c_bus->valid) {
>>                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
>>                                 if (!radeon_connector->ddc_bus)
>>                                         DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
>> -                               else
>> -                                       ddc = &radeon_connector->ddc_bus->adapter;
>>                         }
>> -                       drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                                   &radeon_vga_connector_funcs,
>> -                                                   connector_type,
>> -                                                   ddc);
>> -                       drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
>>                         radeon_connector->dac_load_detect = true;
>>                         drm_object_attach_property(&radeon_connector->base.base,
>>                                                       rdev->mode_info.load_detect_property,
>> @@ -2081,18 +2067,13 @@ radeon_add_atom_connector(struct drm_device *dev,
>>                         connector->doublescan_allowed = true;
>>                         break;
>>                 case DRM_MODE_CONNECTOR_DVIA:
>> +                       drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
>> +                       drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
>>                         if (i2c_bus->valid) {
>>                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
>>                                 if (!radeon_connector->ddc_bus)
>>                                         DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
>> -                               else
>> -                                       ddc = &radeon_connector->ddc_bus->adapter;
>>                         }
>> -                       drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                                   &radeon_vga_connector_funcs,
>> -                                                   connector_type,
>> -                                                   ddc);
>> -                       drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
>>                         radeon_connector->dac_load_detect = true;
>>                         drm_object_attach_property(&radeon_connector->base.base,
>>                                                       rdev->mode_info.load_detect_property,
>> @@ -2117,18 +2098,13 @@ radeon_add_atom_connector(struct drm_device *dev,
>>                                 goto failed;
>>                         radeon_dig_connector->igp_lane_info = igp_lane_info;
>>                         radeon_connector->con_priv = radeon_dig_connector;
>> +                       drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
>> +                       drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
>>                         if (i2c_bus->valid) {
>>                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
>>                                 if (!radeon_connector->ddc_bus)
>>                                         DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
>> -                               else
>> -                                       ddc = &radeon_connector->ddc_bus->adapter;
>>                         }
>> -                       drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                                   &radeon_dvi_connector_funcs,
>> -                                                   connector_type,
>> -                                                   ddc);
>> -                       drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
>>                         subpixel_order = SubPixelHorizontalRGB;
>>                         drm_object_attach_property(&radeon_connector->base.base,
>>                                                       rdev->mode_info.coherent_mode_property,
>> @@ -2179,18 +2155,13 @@ radeon_add_atom_connector(struct drm_device *dev,
>>                                 goto failed;
>>                         radeon_dig_connector->igp_lane_info = igp_lane_info;
>>                         radeon_connector->con_priv = radeon_dig_connector;
>> +                       drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
>> +                       drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
>>                         if (i2c_bus->valid) {
>>                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
>>                                 if (!radeon_connector->ddc_bus)
>>                                         DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
>> -                               else
>> -                                       ddc = &radeon_connector->ddc_bus->adapter;
>>                         }
>> -                       drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                                   &radeon_dvi_connector_funcs,
>> -                                                   connector_type,
>> -                                                   ddc);
>> -                       drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
>>                         drm_object_attach_property(&radeon_connector->base.base,
>>                                                       rdev->mode_info.coherent_mode_property,
>>                                                       1);
>> @@ -2234,20 +2205,15 @@ radeon_add_atom_connector(struct drm_device *dev,
>>                                 goto failed;
>>                         radeon_dig_connector->igp_lane_info = igp_lane_info;
>>                         radeon_connector->con_priv = radeon_dig_connector;
>> +                       drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
>> +                       drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
>>                         if (i2c_bus->valid) {
>>                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
>> -                               if (radeon_connector->ddc_bus) {
>> +                               if (radeon_connector->ddc_bus)
>>                                         has_aux = true;
>> -                                       ddc = &radeon_connector->ddc_bus->adapter;
>> -                               } else {
>> +                               else
>>                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
>> -                               }
>>                         }
>> -                       drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                                   &radeon_dp_connector_funcs,
>> -                                                   connector_type,
>> -                                                   ddc);
>> -                       drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
>>                         subpixel_order = SubPixelHorizontalRGB;
>>                         drm_object_attach_property(&radeon_connector->base.base,
>>                                                       rdev->mode_info.coherent_mode_property,
>> @@ -2289,20 +2255,15 @@ radeon_add_atom_connector(struct drm_device *dev,
>>                                 goto failed;
>>                         radeon_dig_connector->igp_lane_info = igp_lane_info;
>>                         radeon_connector->con_priv = radeon_dig_connector;
>> +                       drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
>> +                       drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
>>                         if (i2c_bus->valid) {
>>                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
>> -                               if (radeon_connector->ddc_bus) {
>> +                               if (radeon_connector->ddc_bus)
>>                                         has_aux = true;
>> -                                       ddc = &radeon_connector->ddc_bus->adapter;
>> -                               } else {
>> +                               else
>>                                         DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
>> -                               }
>>                         }
>> -                       drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                                   &radeon_edp_connector_funcs,
>> -                                                   connector_type,
>> -                                                   ddc);
>> -                       drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
>>                         drm_object_attach_property(&radeon_connector->base.base,
>>                                                       dev->mode_config.scaling_mode_property,
>>                                                       DRM_MODE_SCALE_FULLSCREEN);
>> @@ -2313,10 +2274,7 @@ radeon_add_atom_connector(struct drm_device *dev,
>>                 case DRM_MODE_CONNECTOR_SVIDEO:
>>                 case DRM_MODE_CONNECTOR_Composite:
>>                 case DRM_MODE_CONNECTOR_9PinDIN:
>> -                       drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                                   &radeon_tv_connector_funcs,
>> -                                                   connector_type,
>> -                                                   ddc);
>> +                       drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
>>                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
>>                         radeon_connector->dac_load_detect = true;
>>                         drm_object_attach_property(&radeon_connector->base.base,
>> @@ -2336,18 +2294,13 @@ radeon_add_atom_connector(struct drm_device *dev,
>>                                 goto failed;
>>                         radeon_dig_connector->igp_lane_info = igp_lane_info;
>>                         radeon_connector->con_priv = radeon_dig_connector;
>> +                       drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
>> +                       drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
>>                         if (i2c_bus->valid) {
>>                                 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
>>                                 if (!radeon_connector->ddc_bus)
>>                                         DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
>> -                               else
>> -                                       ddc = &radeon_connector->ddc_bus->adapter;
>>                         }
>> -                       drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                                   &radeon_lvds_connector_funcs,
>> -                                                   connector_type,
>> -                                                   ddc);
>> -                       drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
>>                         drm_object_attach_property(&radeon_connector->base.base,
>>                                                       dev->mode_config.scaling_mode_property,
>>                                                       DRM_MODE_SCALE_FULLSCREEN);
>> @@ -2425,18 +2378,13 @@ radeon_add_legacy_connector(struct drm_device *dev,
>>
>>         switch (connector_type) {
>>         case DRM_MODE_CONNECTOR_VGA:
>> +               drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
>> +               drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
>>                 if (i2c_bus->valid) {
>>                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
>>                         if (!radeon_connector->ddc_bus)
>>                                 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
>> -                       else
>> -                               ddc = &radeon_connector->ddc_bus->adapter;
>>                 }
>> -               drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                           &radeon_vga_connector_funcs,
>> -                                           connector_type,
>> -                                           ddc);
>> -               drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
>>                 radeon_connector->dac_load_detect = true;
>>                 drm_object_attach_property(&radeon_connector->base.base,
>>                                               rdev->mode_info.load_detect_property,
>> @@ -2447,18 +2395,13 @@ radeon_add_legacy_connector(struct drm_device *dev,
>>                 connector->doublescan_allowed = true;
>>                 break;
>>         case DRM_MODE_CONNECTOR_DVIA:
>> +               drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
>> +               drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
>>                 if (i2c_bus->valid) {
>>                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
>>                         if (!radeon_connector->ddc_bus)
>>                                 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
>> -                       else
>> -                               ddc = &radeon_connector->ddc_bus->adapter;
>>                 }
>> -               drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                           &radeon_vga_connector_funcs,
>> -                                           connector_type,
>> -                                           ddc);
>> -               drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
>>                 radeon_connector->dac_load_detect = true;
>>                 drm_object_attach_property(&radeon_connector->base.base,
>>                                               rdev->mode_info.load_detect_property,
>> @@ -2470,18 +2413,13 @@ radeon_add_legacy_connector(struct drm_device *dev,
>>                 break;
>>         case DRM_MODE_CONNECTOR_DVII:
>>         case DRM_MODE_CONNECTOR_DVID:
>> +               drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
>> +               drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
>>                 if (i2c_bus->valid) {
>>                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
>>                         if (!radeon_connector->ddc_bus)
>>                                 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
>> -                       else
>> -                               ddc = &radeon_connector->ddc_bus->adapter;
>>                 }
>> -               drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                           &radeon_dvi_connector_funcs,
>> -                                           connector_type,
>> -                                           ddc);
>> -               drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
>>                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
>>                         radeon_connector->dac_load_detect = true;
>>                         drm_object_attach_property(&radeon_connector->base.base,
>> @@ -2498,10 +2436,7 @@ radeon_add_legacy_connector(struct drm_device *dev,
>>         case DRM_MODE_CONNECTOR_SVIDEO:
>>         case DRM_MODE_CONNECTOR_Composite:
>>         case DRM_MODE_CONNECTOR_9PinDIN:
>> -               drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                           &radeon_tv_connector_funcs,
>> -                                           connector_type,
>> -                                           ddc);
>> +               drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
>>                 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
>>                 radeon_connector->dac_load_detect = true;
>>                 /* RS400,RC410,RS480 chipset seems to report a lot
>> @@ -2523,18 +2458,13 @@ radeon_add_legacy_connector(struct drm_device *dev,
>>                 connector->doublescan_allowed = false;
>>                 break;
>>         case DRM_MODE_CONNECTOR_LVDS:
>> +               drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
>> +               drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
>>                 if (i2c_bus->valid) {
>>                         radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
>>                         if (!radeon_connector->ddc_bus)
>>                                 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
>> -                       else
>> -                               ddc = &radeon_connector->ddc_bus->adapter;
>>                 }
>> -               drm_connector_init_with_ddc(dev, &radeon_connector->base,
>> -                                           &radeon_lvds_connector_funcs,
>> -                                           connector_type,
>> -                                           ddc);
>> -               drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
>>                 drm_object_attach_property(&radeon_connector->base.base,
>>                                               dev->mode_config.scaling_mode_property,
>>                                               DRM_MODE_SCALE_FULLSCREEN);
>> --
>> 2.22.0
>>
> 
> 



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