Attachment 34097 Details for Bug 26744 – try the debug patch that writes the protected off key to restore LVDS panel sequence register

[patch] try the debug patch that writes the protected off key to restore LVDS panel sequence register

0001-drm-i915-Write-protected-off-key-to-restore-LVDS-pa.patch (text/plain), 1.07 KB, created by ykzhao on 2010-03-15 19:35:14 UTC

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Creator: ykzhao

Created: 2010-03-15 19:35:14 UTC

Size: 1.07 KB

patch

obsolete

>From cdbb84c43ff92d85d9716002d50ece46c3d68eed Mon Sep 17 00:00:00 2001
>From: Zhao Yakui <yakui.zhao@intel.com>
>Date: Tue, 16 Mar 2010 10:29:55 +0800
>Subject: [PATCH] drm/i915: Write protected off key to restore LVDS panel power sequence register
>
>Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
>---
> drivers/gpu/drm/i915/i915_suspend.c |    1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
>index ac0d1a7..a3abfc0 100644
>--- a/drivers/gpu/drm/i915/i915_suspend.c
>+++ b/drivers/gpu/drm/i915/i915_suspend.c
>@@ -688,6 +688,7 @@ void i915_restore_display(struct drm_device *dev)
> 		I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS);
> 		I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
> 		I915_WRITE(BLC_HIST_CTL, dev_priv->saveBLC_HIST_CTL);
>+		I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) | (0xABCD << 16));
> 		I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS);
> 		I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS);
> 		I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR);
>-- 
>1.5.4.5
>

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Attachments on bug 26744: 33545 | 33546 | 33547 | 33577 | 33578 | 34097 | 34388 | 34389 | 36019 | 37360 | 37367 | 37381

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