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Date: Thu, 05 May 2011 17:10:51 -0700 From: Greg KH <gregkh@...e.de> To: linux-kernel@...r.kernel.org, stable@...nel.org Cc: stable-review@...nel.org, torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Dave Airlie <airlied@...hat.com> Subject: [patch 19/38] drm/radeon: fix regression on atom cards with hardcoded EDID record. 2.6.38-stable review patch. If anyone has any objections, please let us know. ------------------ From: Dave Airlie <airlied@...hat.com> 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 <alexdeucher@...il.com> Signed-off-by: Dave Airlie <airlied@...hat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de> --- drivers/gpu/drm/radeon/radeon_atombios.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- 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_a 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); } } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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