From c8873543070f8593ff52422d55802423ad64be31 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Sun, 1 May 2011 20:16:30 +1000 Subject: [PATCH] drm/radeon: fix regression on atom cards with hardcoded EDID record. commit eaa4f5e1d0b816291a59a47917e569c0384f2b6f upstream. Since fafcf94e2b5732d1e13b440291c53115d2b172e9 introduced an edid size, it seems to have broken this path. This manifest as oops on T500 Lenovo laptops with dual graphics primarily. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=33812 Reviewed-by: Alex Deucher Signed-off-by: Dave Airlie Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/radeon_atombios.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 99768d9d91dac..a73f0e62a0782 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1599,9 +1599,10 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0], fake_edid_record->ucFakeEDIDLength); - if (drm_edid_is_valid(edid)) + if (drm_edid_is_valid(edid)) { rdev->mode_info.bios_hardcoded_edid = edid; - else + rdev->mode_info.bios_hardcoded_edid_size = edid_size; + } else kfree(edid); } } -- 2.47.2