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drm/radeon: add quirk to make HP nx6125 laptop resume.

PATCH New Dave Airlie 1 participant 1 message Jun 30, 2010

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DRM drivers Radeon and amdgpu DRM drivers
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Dave Airlie

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PATCH 1/1 drm/radeon: add quirk to make HP nx6125 laptop resume.

From: Dave Airlie <[email protected]>

For some reason on resume, executing the BIOS scripts locks up the whole chipset, by avoiding the dynclk table the machine resumes properly and seems to function okay.

Signed-off-by Dave Airlie <[email protected]>
---
 drivers/gpu/drm/radeon/radeon_combios.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
drivers/gpu/drm/radeon/radeon_combios.c +8 -0
index 08e156a..392bc4d 100644
@@ -3051,6 +3051,14 @@ void radeon_combios_asic_init(struct drm_device *dev)
 		combios_write_ram_size(dev);
 	}
 
+	/* quirk for rs4xx HP nx6125 laptop to make it resume
+	 * - it hangs on resume inside the dynclk 1 table.
+	 */
+	if (rdev->family == CHIP_RS480 &&
+	    rdev->pdev->subsystem_vendor == 0x103c &&
+	    rdev->pdev->subsystem_device == 0x308b)
+		return;
+
 	/* DYN CLK 1 */
 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
 	if (table)
Signature · 1 line
1.7.1