From cd5e6b6c98e203af86f8414ffbcfa22f1345e76c Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 4 Jan 2011 17:42:20 -0500 Subject: drm/radeon/kms: adjust quirk for acer laptop commit 2f299d5de02da3ffb1f9e1a05c91dcd1173ebd3c upstream. Acer laptop (TravelMate 5730G) has an HDMI connector on the laptop and a DVI connector on the docking station and both share the same encoder, hpd pin, and ddc line. The bios connector table reflects this and is technically correct, however, we drop the DVI connector here since xrandr has no concept of encoders (only crtcs and connectors) and will try and drive both connectors with different crtcs which isn't possible on the hardware side and leaves no crtcs for LVDS or VGA. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=32732 Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/radeon_atombios.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index e37758f951a..c6d0c114fed 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -313,7 +313,6 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev, uint16_t *line_mux, struct radeon_hpd *hpd) { - struct radeon_device *rdev = dev->dev_private; /* Asus M2A-VM HDMI board lists the DVI port as HDMI */ if ((dev->pdev->device == 0x791e) && @@ -436,21 +435,23 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev, } } - /* Acer laptop reports DVI-D as DVI-I and hpd pins reversed */ + /* Acer laptop (Acer TravelMate 5730G) has an HDMI port + * on the laptop and a DVI port on the docking station and + * both share the same encoder, hpd pin, and ddc line. + * So while the bios table is technically correct, + * we drop the DVI port here since xrandr has no concept of + * encoders and will try and drive both connectors + * with different crtcs which isn't possible on the hardware + * side and leaves no crtcs for LVDS or VGA. + */ if ((dev->pdev->device == 0x95c4) && (dev->pdev->subsystem_vendor == 0x1025) && (dev->pdev->subsystem_device == 0x013c)) { - struct radeon_gpio_rec gpio; - if ((*connector_type == DRM_MODE_CONNECTOR_DVII) && (supported_device == ATOM_DEVICE_DFP1_SUPPORT)) { - gpio = radeon_lookup_gpio(rdev, 6); - *hpd = radeon_atom_get_hpd_info_from_gpio(rdev, &gpio); + /* actually it's a DVI-D port not DVI-I */ *connector_type = DRM_MODE_CONNECTOR_DVID; - } else if ((*connector_type == DRM_MODE_CONNECTOR_HDMIA) && - (supported_device == ATOM_DEVICE_DFP1_SUPPORT)) { - gpio = radeon_lookup_gpio(rdev, 7); - *hpd = radeon_atom_get_hpd_info_from_gpio(rdev, &gpio); + return false; } } -- cgit v1.2.3-18-g5258