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drm/radeon: fix sad_count check for dce3

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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 <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2014-12-09 10:04:01 -05:00
parent fbedf1c3fc
commit 5665c3ebe5
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/radeon/dce3_1_afmt.c
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@ -103,7 +103,7 @@ static void dce3_2_afmt_write_sad_regs(struct drm_encoder *encoder)
}
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;
}