On Wednesday 5 October 2011, alexdeucher@gmail.com wrote:
From: Alex Deucher alexander.deucher@amd.com
The encoders are supposedly fully routeable, but changing the mapping doesn't always seem to take. Using a hardcoded mapping is much more reliable.
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=41366
Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@kernel.org
Tested-by: Simon Farnsworth simon.farnsworth@onelan.co.uk
I applied it to airlied's drm-fixes kernel, at commit 6777a4f6898a53974ef7fe7ce09ec41fae0f32db - it fixed my problems with HDMI being unreliable.
drivers/gpu/drm/radeon/radeon_encoders.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 13690f3..8a171b2 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -1755,9 +1755,12 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder) /* DCE4/5 */ if (ASIC_IS_DCE4(rdev)) { dig = radeon_encoder->enc_priv;
if (ASIC_IS_DCE41(rdev))return radeon_crtc->crtc_id;else {
if (ASIC_IS_DCE41(rdev)) {if (dig->linkb)return 1;elsereturn 0;} else { switch (radeon_encoder->encoder_id) { case ENCODER_OBJECT_ID_INTERNAL_UNIPHY: if (dig->linkb)