From 5b50fa2b35a4ddad11cb3d06231bf71759b49566 Mon Sep 17 00:00:00 2001 From: Andrzej Pietrasiewicz Date: Fri, 26 Jul 2019 19:23:16 +0200 Subject: [PATCH] drm/amdgpu: Provide ddc symlink in connector sysfs directory Use the ddc pointer provided by the generic connector. Signed-off-by: Andrzej Pietrasiewicz Acked-by: Alex Deucher Acked-by: Sam Ravnborg Reviewed-by: Emil Velikov Signed-off-by: Neil Armstrong Link: https://patchwork.freedesktop.org/patch/msgid/7fee0fa0d0f77af6595d283d5f3ae5d551475821.1564161140.git.andrzej.p@collabora.com --- .../gpu/drm/amd/amdgpu/amdgpu_connectors.c | 96 ++++++++++++++----- 1 file changed, 70 insertions(+), 26 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index 73b2ede773d3..ece55c8fa673 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -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); -- 2.45.2