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Add radeon suspend/resume quirk for HP Compaq dc5750. 

With the radeon driver loaded the HP Compaq dc5750
Small Form Factor machine fails to resume from suspend.
Adding a quirk similar to other devices avoids
the problem and the system resumes properly.

Signed-off-by: Jeffery Miller <jmiller@neverware.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Jeffery Miller 2015-09-01 11:23:02 -04:00 committed by Alex Deucher
parent 423a9480ad
commit 09bfda10e6
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/radeon/radeon_combios.c
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@ -3387,6 +3387,14 @@ void radeon_combios_asic_init(struct drm_device *dev)
rdev->pdev->subsystem_device == 0x30ae)
return;
/* quirk for rs4xx HP Compaq dc5750 Small Form Factor 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 == 0x280a)
return;
/* DYN CLK 1 */
table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
if (table)