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

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
Egbert Eich 12 years ago
parent
4936b172d6
commit
83325d0721
1 changed files with 1 additions and 0 deletions
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  1. 1 0
      drivers/gpu/drm/radeon/radeon_legacy_encoders.c

+ 1 - 0
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);