mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-23 17:30:02 +00:00
Code Issues Releases Wiki Activity

drm/radeon/kms: add additional quirk for Acer rv620 laptop

Browse source 
HPD pins are reversed

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=29387

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-08-06 00:27:44 -04:00 committed by Dave Airlie
parent cce13ff759
commit 9ea2c4be97
1 changed files with 12 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
drivers/gpu/drm/radeon/radeon_atombios.c
View file

@ -268,6 +268,7 @@ 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) &&
@ -370,13 +371,22 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev,
}
}
/* 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