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Subject[PATCH 044/241] DRM/Radeon: Fix Load Detection on legacy primary DAC.
Date
3.5.7.2 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Egbert Eich <eich@suse.de>

commit 83325d072185899b706de2956170b246585aaec9 upstream.

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>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
---
drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 9e62325..8148cf8 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -651,6 +651,7 @@ 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);
--
1.7.9.5


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