Attachment 52024 Details for Bug 41366 – use hardcoded dig encoder to transmitter mapping

[patch] use hardcoded dig encoder to transmitter mapping

0001-drm-radeon-kms-use-hardcoded-dig-encoder-to-transmit.patch (text/plain), 1.30 KB, created by Alex Deucher on 2011-10-05 15:35:55 UTC

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Creator: Alex Deucher

Created: 2011-10-05 15:35:55 UTC

Size: 1.30 KB

patch

obsolete

>From f1a817837a1cce2c1c75e93b0f4f9c6e8f2c70f3 Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Wed, 5 Oct 2011 18:31:57 -0400
>Subject: [PATCH] drm/radeon/kms: use hardcoded dig encoder to transmitter mapping for DCE4.1
>
>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
>---
> 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;
>+			else
>+				return 0;
>+		} else {
> 			switch (radeon_encoder->encoder_id) {
> 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
> 				if (dig->linkb)
>-- 
>1.7.1.1
>

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