This fixes PAL on atom systems with KMS. Confirmed fixes bug 26582.
Alex
>From c69493066489b351544ddecac65f350c8851754e Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeuc...@gmail.com>
Date: Fri, 9 Apr 2010 15:31:56 -0400
Subject: [PATCH] drm/radeon/kms: adjust pll settings for tv
May fix fdo bug 26582.
Signed-off-by: Alex Deucher <alexdeuc...@gmail.com>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c
b/drivers/gpu/drm/radeon/atombios_crtc.c
index 6300675..3feca6a 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -517,6 +517,10 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
/* DVO wants 2x pixel clock if the DVO chip is
in 12 bit mode */
if (radeon_encoder->encoder_id ==
ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
adjusted_clock = mode->clock * 2;
+ if (radeon_encoder->active_device &
(ATOM_DEVICE_TV_SUPPORT)) {
+ pll->algo = PLL_ALGO_LEGACY;
+ pll->flags |=
RADEON_PLL_PREFER_CLOSEST_LOWER;
+ }
} else {
if (encoder->encoder_type !=
DRM_MODE_ENCODER_DAC)
pll->flags |=
RADEON_PLL_NO_ODD_POST_DIV;
--
1.5.6.3
From c69493066489b351544ddecac65f350c8851754e Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeuc...@gmail.com>
Date: Fri, 9 Apr 2010 15:31:56 -0400
Subject: [PATCH] drm/radeon/kms: adjust pll settings for tv
May fix fdo bug 26582.
Signed-off-by: Alex Deucher <alexdeuc...@gmail.com>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 6300675..3feca6a 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -517,6 +517,10 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
/* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
adjusted_clock = mode->clock * 2;
+ if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) {
+ pll->algo = PLL_ALGO_LEGACY;
+ pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
+ }
} else {
if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
--
1.5.6.3
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