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drm/amdgpu: Provide ddc symlink in connector sysfs directory

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Use the ddc pointer provided by the generic connector.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7fee0fa0d0f77af6595d283d5f3ae5d551475821.1564161140.git.andrzej.p@collabora.com
This commit is contained in:
Andrzej Pietrasiewicz 2019-07-26 19:23:16 +02:00 committed by Neil Armstrong
parent cfb4445529
commit 5b50fa2b35
1 changed files with 70 additions and 26 deletions
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96
drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
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@ -1505,6 +1505,7 @@ amdgpu_connector_add(struct amdgpu_device *adev,
struct amdgpu_connector_atom_dig *amdgpu_dig_connector;
struct drm_encoder *encoder;
struct amdgpu_encoder *amdgpu_encoder;
struct i2c_adapter *ddc = NULL;
uint32_t subpixel_order = SubPixelNone;
bool shared_ddc = false;
bool is_dp_bridge = false;
@ -1574,17 +1575,21 @@ amdgpu_connector_add(struct amdgpu_device *adev,
amdgpu_connector->con_priv = amdgpu_dig_connector;
if (i2c_bus->valid) {
amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
if (amdgpu_connector->ddc_bus)
if (amdgpu_connector->ddc_bus) {
has_aux = true;
else
ddc = &amdgpu_connector->ddc_bus->adapter;
} 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(dev, &amdgpu_connector->base,
&amdgpu_connector_dp_funcs, connector_type);
drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
&amdgpu_connector_dp_funcs,
connector_type,
ddc);
drm_connector_helper_add(&amdgpu_connector->base,
&amdgpu_connector_dp_helper_funcs);
connector->interlace_allowed = true;
@ -1602,8 +1607,10 @@ amdgpu_connector_add(struct amdgpu_device *adev,
case DRM_MODE_CONNECTOR_HDMIA:
case DRM_MODE_CONNECTOR_HDMIB:
case DRM_MODE_CONNECTOR_DisplayPort:
drm_connector_init(dev, &amdgpu_connector->base,
&amdgpu_connector_dp_funcs, connector_type);
drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
&amdgpu_connector_dp_funcs,
connector_type,
ddc);
drm_connector_helper_add(&amdgpu_connector->base,
&amdgpu_connector_dp_helper_funcs);
drm_object_attach_property(&amdgpu_connector->base.base,
@ -1644,8 +1651,10 @@ amdgpu_connector_add(struct amdgpu_device *adev,
break;
case DRM_MODE_CONNECTOR_LVDS:
case DRM_MODE_CONNECTOR_eDP:
drm_connector_init(dev, &amdgpu_connector->base,
&amdgpu_connector_edp_funcs, connector_type);
drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
&amdgpu_connector_edp_funcs,
connector_type,
ddc);
drm_connector_helper_add(&amdgpu_connector->base,
&amdgpu_connector_dp_helper_funcs);
drm_object_attach_property(&amdgpu_connector->base.base,
@ -1659,13 +1668,18 @@ amdgpu_connector_add(struct amdgpu_device *adev,
} else {
switch (connector_type) {
case DRM_MODE_CONNECTOR_VGA:
drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_vga_funcs, connector_type);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs);
if (i2c_bus->valid) {
amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
if (!amdgpu_connector->ddc_bus)
DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
else
ddc = &amdgpu_connector->ddc_bus->adapter;
}
drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
&amdgpu_connector_vga_funcs,
connector_type,
ddc);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs);
amdgpu_connector->dac_load_detect = true;
drm_object_attach_property(&amdgpu_connector->base.base,
adev->mode_info.load_detect_property,
@ -1679,13 +1693,18 @@ amdgpu_connector_add(struct amdgpu_device *adev,
connector->doublescan_allowed = true;
break;
case DRM_MODE_CONNECTOR_DVIA:
drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_vga_funcs, connector_type);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs);
if (i2c_bus->valid) {
amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
if (!amdgpu_connector->ddc_bus)
DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
else
ddc = &amdgpu_connector->ddc_bus->adapter;
}
drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
&amdgpu_connector_vga_funcs,
connector_type,
ddc);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_vga_helper_funcs);
amdgpu_connector->dac_load_detect = true;
drm_object_attach_property(&amdgpu_connector->base.base,
adev->mode_info.load_detect_property,
@ -1704,13 +1723,18 @@ amdgpu_connector_add(struct amdgpu_device *adev,
if (!amdgpu_dig_connector)
goto failed;
amdgpu_connector->con_priv = amdgpu_dig_connector;
drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_dvi_funcs, connector_type);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs);
if (i2c_bus->valid) {
amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
if (!amdgpu_connector->ddc_bus)
DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
else
ddc = &amdgpu_connector->ddc_bus->adapter;
}
drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
&amdgpu_connector_dvi_funcs,
connector_type,
ddc);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs);
subpixel_order = SubPixelHorizontalRGB;
drm_object_attach_property(&amdgpu_connector->base.base,
adev->mode_info.coherent_mode_property,
@ -1754,13 +1778,18 @@ amdgpu_connector_add(struct amdgpu_device *adev,
if (!amdgpu_dig_connector)
goto failed;
amdgpu_connector->con_priv = amdgpu_dig_connector;
drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_dvi_funcs, connector_type);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs);
if (i2c_bus->valid) {
amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
if (!amdgpu_connector->ddc_bus)
DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
else
ddc = &amdgpu_connector->ddc_bus->adapter;
}
drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
&amdgpu_connector_dvi_funcs,
connector_type,
ddc);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dvi_helper_funcs);
drm_object_attach_property(&amdgpu_connector->base.base,
adev->mode_info.coherent_mode_property,
1);
@ -1796,15 +1825,20 @@ amdgpu_connector_add(struct amdgpu_device *adev,
if (!amdgpu_dig_connector)
goto failed;
amdgpu_connector->con_priv = amdgpu_dig_connector;
drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_dp_funcs, connector_type);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs);
if (i2c_bus->valid) {
amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
if (amdgpu_connector->ddc_bus)
if (amdgpu_connector->ddc_bus) {
has_aux = true;
else
ddc = &amdgpu_connector->ddc_bus->adapter;
} else {
DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
}
drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
&amdgpu_connector_dp_funcs,
connector_type,
ddc);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs);
subpixel_order = SubPixelHorizontalRGB;
drm_object_attach_property(&amdgpu_connector->base.base,
adev->mode_info.coherent_mode_property,
@ -1838,15 +1872,20 @@ amdgpu_connector_add(struct amdgpu_device *adev,
if (!amdgpu_dig_connector)
goto failed;
amdgpu_connector->con_priv = amdgpu_dig_connector;
drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_edp_funcs, connector_type);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs);
if (i2c_bus->valid) {
amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
if (amdgpu_connector->ddc_bus)
if (amdgpu_connector->ddc_bus) {
has_aux = true;
else
ddc = &amdgpu_connector->ddc_bus->adapter;
} else {
DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
}
}
drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
&amdgpu_connector_edp_funcs,
connector_type,
ddc);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_dp_helper_funcs);
drm_object_attach_property(&amdgpu_connector->base.base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_FULLSCREEN);
@ -1859,13 +1898,18 @@ amdgpu_connector_add(struct amdgpu_device *adev,
if (!amdgpu_dig_connector)
goto failed;
amdgpu_connector->con_priv = amdgpu_dig_connector;
drm_connector_init(dev, &amdgpu_connector->base, &amdgpu_connector_lvds_funcs, connector_type);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_lvds_helper_funcs);
if (i2c_bus->valid) {
amdgpu_connector->ddc_bus = amdgpu_i2c_lookup(adev, i2c_bus);
if (!amdgpu_connector->ddc_bus)
DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
else
ddc = &amdgpu_connector->ddc_bus->adapter;
}
drm_connector_init_with_ddc(dev, &amdgpu_connector->base,
&amdgpu_connector_lvds_funcs,
connector_type,
ddc);
drm_connector_helper_add(&amdgpu_connector->base, &amdgpu_connector_lvds_helper_funcs);
drm_object_attach_property(&amdgpu_connector->base.base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_FULLSCREEN);