Attachment 34468 Details for Bug 27322 – KMS patch

[patch] KMS patch

0001-drm-radeon-kms-minor-fixes-for-eDP-with-LCD-device.patch (text/plain), 2.22 KB, created by Alex Deucher on 2010-03-25 23:06:07 UTC

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Creator: Alex Deucher

Created: 2010-03-25 23:06:07 UTC

Size: 2.22 KB

patch

obsolete

>From 6ff965f44f6c0540e29e616621abac627b506436 Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexdeucher@gmail.com>
>Date: Fri, 26 Mar 2010 01:57:34 -0400
>Subject: [PATCH] drm/radeon/kms: minor fixes for eDP with LCD* device tags
>
>Some systems have LCD* rather than DFP* device tags in the bios
>for eDP connectors; notably the new apple iMac. This fixes
>things up so eDP connectors with either tag will work.
>
>Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
>---
> drivers/gpu/drm/radeon/atombios_crtc.c   |   13 +++++++++----
> drivers/gpu/drm/radeon/radeon_encoders.c |    2 +-
> 2 files changed, 10 insertions(+), 5 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
>index 791db2e..6300675 100644
>--- a/drivers/gpu/drm/radeon/atombios_crtc.c
>+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
>@@ -577,11 +577,16 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
> 					}
> 				} else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
> 					/* may want to enable SS on DP/eDP eventually */
>-					args.v3.sInput.ucDispPllConfig |=
>-						DISPPLL_CONFIG_SS_ENABLE;
>-					if (mode->clock > 165000)
>+					/*args.v3.sInput.ucDispPllConfig |=
>+						DISPPLL_CONFIG_SS_ENABLE;*/
>+					if (encoder_mode == ATOM_ENCODER_MODE_DP)
> 						args.v3.sInput.ucDispPllConfig |=
>-							DISPPLL_CONFIG_DUAL_LINK;
>+							DISPPLL_CONFIG_COHERENT_MODE;
>+					else {
>+						if (mode->clock > 165000)
>+							args.v3.sInput.ucDispPllConfig |=
>+								DISPPLL_CONFIG_DUAL_LINK;
>+					}
> 				}
> 				atom_execute_table(rdev->mode_info.atom_context,
> 						   index, (uint32_t *)&args);
>diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
>index fd4052f..3330e11 100644
>--- a/drivers/gpu/drm/radeon/radeon_encoders.c
>+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
>@@ -302,7 +302,7 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
> 	}
> 
> 	if (ASIC_IS_DCE3(rdev) &&
>-	    (radeon_encoder->active_device & (ATOM_DEVICE_DFP_SUPPORT))) {
>+	    (radeon_encoder->active_device & (ATOM_DEVICE_DFP_SUPPORT || ATOM_DEVICE_LCD_SUPPORT))) {
> 		struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
> 		radeon_dp_set_link_config(connector, mode);
> 	}
>-- 
>1.5.6.3
>

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