diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 69 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_i2c.c | 28 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_mode.h | 6 |
3 files changed, 18 insertions, 85 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 83352bb4d607..ea3720cd98f2 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -430,55 +430,6 @@ int radeon_connector_set_property(struct drm_connector *connector, struct drm_pr return 0; } -/* - * Some integrated ATI Radeon chipset implementations (e. g. - * Asus M2A-VM HDMI) may indicate the availability of a DDC, - * even when there's no monitor connected. For these connectors - * following DDC probe extension will be applied: check also for the - * availability of EDID with at least a correct EDID header. Only then, - * DDC is assumed to be available. This prevents drm_get_edid() and - * drm_edid_block_valid() from periodically dumping data and kernel - * errors into the logs and onto the terminal. - */ -static bool radeon_connector_needs_extended_probe(struct radeon_device *dev, - uint32_t supported_device, - int connector_type) -{ - /* Asus M2A-VM HDMI board sends data to i2c bus even, - * if HDMI add-on card is not plugged in or HDMI is disabled in - * BIOS. Valid DDC can only be assumed, if also a valid EDID header - * can be retrieved via i2c bus during DDC probe */ - if ((dev->pdev->device == 0x791e) && - (dev->pdev->subsystem_vendor == 0x1043) && - (dev->pdev->subsystem_device == 0x826d)) { - if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) && - (supported_device == ATOM_DEVICE_DFP2_SUPPORT)) - return true; - } - /* ECS A740GM-M with ATI RADEON 2100 sends data to i2c bus - * for a DVI connector that is not implemented */ - if ((dev->pdev->device == 0x796e) && - (dev->pdev->subsystem_vendor == 0x1019) && - (dev->pdev->subsystem_device == 0x2615)) { - if ((connector_type == DRM_MODE_CONNECTOR_DVID) && - (supported_device == ATOM_DEVICE_DFP2_SUPPORT)) - return true; - } - /* TOSHIBA Satellite L300D with ATI Mobility Radeon x1100 - * (RS690M) sends data to i2c bus for a HDMI connector that - * is not implemented */ - if ((dev->pdev->device == 0x791f) && - (dev->pdev->subsystem_vendor == 0x1179) && - (dev->pdev->subsystem_device == 0xff68)) { - if ((connector_type == DRM_MODE_CONNECTOR_HDMIA) && - (supported_device == ATOM_DEVICE_DFP2_SUPPORT)) - return true; - } - - /* Default: no EDID header probe required for DDC probing */ - return false; -} - static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder, struct drm_connector *connector) { @@ -719,8 +670,7 @@ radeon_vga_detect(struct drm_connector *connector, bool force) ret = connector_status_disconnected; if (radeon_connector->ddc_bus) - dret = radeon_ddc_probe(radeon_connector, - radeon_connector->requires_extended_probe); + dret = radeon_ddc_probe(radeon_connector); if (dret) { radeon_connector->detected_by_load = false; if (radeon_connector->edid) { @@ -902,8 +852,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) bool dret = false; if (radeon_connector->ddc_bus) - dret = radeon_ddc_probe(radeon_connector, - radeon_connector->requires_extended_probe); + dret = radeon_ddc_probe(radeon_connector); if (dret) { radeon_connector->detected_by_load = false; if (radeon_connector->edid) { @@ -1327,8 +1276,7 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (encoder) { /* setup ddc on the bridge */ radeon_atom_ext_encoder_setup_ddc(encoder); - if (radeon_ddc_probe(radeon_connector, - radeon_connector->requires_extended_probe)) /* try DDC */ + if (radeon_ddc_probe(radeon_connector)) /* try DDC */ ret = connector_status_connected; else if (radeon_connector->dac_load_detect) { /* try load detection */ struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; @@ -1346,8 +1294,7 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (radeon_dp_getdpcd(radeon_connector)) ret = connector_status_connected; } else { - if (radeon_ddc_probe(radeon_connector, - radeon_connector->requires_extended_probe)) + if (radeon_ddc_probe(radeon_connector)) ret = connector_status_connected; } } @@ -1492,9 +1439,7 @@ radeon_add_atom_connector(struct drm_device *dev, radeon_connector->shared_ddc = shared_ddc; radeon_connector->connector_object_id = connector_object_id; radeon_connector->hpd = *hpd; - radeon_connector->requires_extended_probe = - radeon_connector_needs_extended_probe(rdev, supported_device, - connector_type); + radeon_connector->router = *router; if (router->ddc_valid || router->cd_valid) { radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info); @@ -1842,9 +1787,7 @@ radeon_add_legacy_connector(struct drm_device *dev, radeon_connector->devices = supported_device; radeon_connector->connector_object_id = connector_object_id; radeon_connector->hpd = *hpd; - radeon_connector->requires_extended_probe = - radeon_connector_needs_extended_probe(rdev, supported_device, - connector_type); + switch (connector_type) { case DRM_MODE_CONNECTOR_VGA: drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type); diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c index 02cb7da4124d..5cabf8202007 100644 --- a/drivers/gpu/drm/radeon/radeon_i2c.c +++ b/drivers/gpu/drm/radeon/radeon_i2c.c @@ -32,7 +32,7 @@ * radeon_ddc_probe * */ -bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool requires_extended_probe) +bool radeon_ddc_probe(struct radeon_connector *radeon_connector) { u8 out = 0x0; u8 buf[8]; @@ -47,15 +47,11 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool requires_e { .addr = 0x50, .flags = I2C_M_RD, - .len = 1, + .len = 8, .buf = buf, } }; - /* Read 8 bytes from i2c for extended probe of EDID header */ - if (requires_extended_probe) - msgs[1].len = 8; - /* on hw with routers, select right port */ if (radeon_connector->router.ddc_valid) radeon_router_select_ddc_port(radeon_connector); @@ -64,17 +60,15 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool requires_e if (ret != 2) /* Couldn't find an accessible DDC on this connector */ return false; - if (requires_extended_probe) { - /* Probe also for valid EDID header - * EDID header starts with: - * 0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00. - * Only the first 6 bytes must be valid as - * drm_edid_block_valid() can fix the last 2 bytes */ - if (drm_edid_header_is_valid(buf) < 6) { - /* Couldn't find an accessible EDID on this - * connector */ - return false; - } + /* Probe also for valid EDID header + * EDID header starts with: + * 0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00. + * Only the first 6 bytes must be valid as + * drm_edid_block_valid() can fix the last 2 bytes */ + if (drm_edid_header_is_valid(buf) < 6) { + /* Couldn't find an accessible EDID on this + * connector */ + return false; } return true; } diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index e8860d984b17..2c2e75ef8a37 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -438,9 +438,6 @@ struct radeon_connector { struct radeon_i2c_chan *ddc_bus; /* some systems have an hdmi and vga port with a shared ddc line */ bool shared_ddc; - /* for some Radeon chip families we apply an additional EDID header - check as part of the DDC probe */ - bool requires_extended_probe; bool use_digital; /* we need to mind the EDID between detect and get modes due to analog/digital/tvencoder */ @@ -521,8 +518,7 @@ extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c, u8 val); extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector); extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector); -extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, - bool requires_extended_probe); +extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector); extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector); extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector); |