Attachment 37602 Details for Bug 29387 – add quirk

[patch] add quirk

0001-drm-radeon-kms-add-additional-quirk-for-Acer-rv620-l.patch (text/plain), 1.96 KB, created by Alex Deucher on 2010-08-05 13:17:08 UTC

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Creator: Alex Deucher

Created: 2010-08-05 13:17:08 UTC

Size: 1.96 KB

patch

obsolete

>From 0b20ad4d81ce7312dc71817a0acf9ab49f6232ca Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexdeucher@gmail.com>
>Date: Thu, 5 Aug 2010 16:15:17 -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 <alexdeucher@gmail.com>
>Cc: stable@kernel.org
>---
> drivers/gpu/drm/radeon/radeon_atombios.c |   14 ++++++++++++--
> 1 files changed, 12 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
>index 73e6e77..2b9a516 100644
>--- 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(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) &&
>@@ -308,13 +309,22 @@ 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
>-- 
>1.7.1.1
>

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Attachments on bug 29387: 37549 | 37550 | 37551 | 37554 | 37555 | 37556 | 37562 | 37602 | 37615 | 37616 | 37617

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