From 9ea2c4be978d597076ddc6c550557de5d243cea8 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 6 Aug 2010 00:27:44 -0400 Subject: [PATCH] drm/radeon/kms: add additional quirk for Acer rv620 laptop HPD pins are reversed Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=29387 Signed-off-by: Alex Deucher Cc: stable@kernel.org Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_atombios.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index dc9102f..a416ab5 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -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 -- 2.7.4