From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alex Deucher Subject: [PATCH 3.18 037/183] drm/radeon: fix sad_count check for dce3 Date: Sun, 25 Jan 2015 10:05:59 -0800 Message-Id: <20150125180811.792816671@linuxfoundation.org> In-Reply-To: <20150125180810.160428929@linuxfoundation.org> References: <20150125180810.160428929@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher commit 5665c3ebe5ee8a2c516925461f7214ba59c2e6d7 upstream. Make it consistent with the sad code for other asics to deal with monitors that don't report sads. bug: https://bugzilla.kernel.org/show_bug.cgi?id=89461 Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/dce3_1_afmt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/radeon/dce3_1_afmt.c +++ b/drivers/gpu/drm/radeon/dce3_1_afmt.c @@ -103,7 +103,7 @@ static void dce3_2_afmt_write_sad_regs(s } sad_count = drm_edid_to_sad(radeon_connector->edid, &sads); - if (sad_count < 0) { + if (sad_count <= 0) { DRM_ERROR("Couldn't read SADs: %d\n", sad_count); return; }