Messages in this thread Patch in this message | | | Date | Tue, 24 Aug 2010 15:44:36 -0700 | From | Greg KH <> | Subject | [031/114] drm/radeon/kms: add additional quirk for Acer rv620 laptop |
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2.6.35-stable review patch. If anyone has any objections, please let us know.
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From: Alex Deucher <alexdeucher@gmail.com>
commit 9ea2c4be978d597076ddc6c550557de5d243cea8 upstream.
HPD pins are reversed
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=29387
Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/gpu/drm/radeon/radeon_atombios.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -206,6 +206,7 @@ static bool radeon_atom_apply_quirks(str 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) && @@ -308,13 +309,22 @@ static bool radeon_atom_apply_quirks(str } } - /* Acer laptop reports DVI-D as DVI-I */ + /* Acer laptop reports DVI-D as DVI-I and hpd pins reversed */ 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)) + (supported_device == ATOM_DEVICE_DFP1_SUPPORT)) { + gpio = radeon_lookup_gpio(rdev, 6); + *hpd = radeon_atom_get_hpd_info_from_gpio(rdev, &gpio); *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); + } } /* XFX Pine Group device rv730 reports no VGA DDC lines
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