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DRM/Radeon: Fix Load Detection on legacy primary DAC.

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An uninitialized variable led to broken load detection.

Signed-off-by: Egbert Eich <eich@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Egbert Eich 2012-10-24 18:29:49 +02:00 committed by Alex Deucher
parent 4936b172d6
commit 83325d0721
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/radeon/radeon_legacy_encoders.c
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@ -671,6 +671,7 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc
tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN;
WREG32(RADEON_DAC_CNTL, tmp);
tmp = dac_macro_cntl;
tmp &= ~(RADEON_DAC_PDWN_R |
RADEON_DAC_PDWN_G |
RADEON_DAC_PDWN_B);