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drm/radeon: add a quirk for Toshiba Satellite L20-183

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commit acfd6ee4fa7ebeee75511825fe02be3f7ac1d668 upstream.

Fixes resume from suspend.

bug: https://bugzilla.kernel.org/show_bug.cgi?id=196121
Reported-by: Przemek <soprwa@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alex Deucher 2017-06-19 15:59:58 -04:00 • committed by Greg Kroah-Hartman
parent f8242fa811
commit 4f3d0f4685
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/radeon/radeon_combios.c
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@ -3394,6 +3394,13 @@ void radeon_combios_asic_init(struct drm_device *dev)
rdev->pdev->subsystem_vendor == 0x103c &&
rdev->pdev->subsystem_device == 0x280a)
return;
/* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume
* - it hangs on resume inside the dynclk 1 table.
*/
if (rdev->family == CHIP_RS400 &&
rdev->pdev->subsystem_vendor == 0x1179 &&
rdev->pdev->subsystem_device == 0xff31)
return;
/* DYN CLK 1 */
table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);