Attachment 48015 Details for Bug 36888 – load the LUT earlier when modesetting

[patch] load the LUT earlier when modesetting

0001-drm-i915-load-the-LUT-before-pipe-enable-on-ILK.patch (text/plain), 1.20 KB, created by Jesse Barnes on 2011-06-15 14:34:11 UTC

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Creator: Jesse Barnes

Created: 2011-06-15 14:34:11 UTC

Size: 1.20 KB

patch

obsolete

>From e8137701f14807a4117cb255bb34ebb704134cec Mon Sep 17 00:00:00 2001
>From: Jesse Barnes <jbarnes@virtuousgeek.org>
>Date: Wed, 15 Jun 2011 23:30:47 +0200
>Subject: [PATCH] drm/i915: load the LUT before pipe enable on ILK+
>
>Per the specs and to address
>https://bugs.freedesktop.org/show_bug.cgi?id=36888.
>
>Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
>---
> drivers/gpu/drm/i915/intel_display.c |    8 ++++++--
> 1 files changed, 6 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
>index 81a9059..03ce9fa 100644
>--- a/drivers/gpu/drm/i915/intel_display.c
>+++ b/drivers/gpu/drm/i915/intel_display.c
>@@ -2699,14 +2699,18 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
> 		I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size);
> 	}
> 
>+	/*
>+	 * On ILK+ LUT must be loaded before the pipe is running but with
>+	 * clocks enabled
>+	 */
>+	intel_crtc_load_lut(crtc);
>+
> 	intel_enable_pipe(dev_priv, pipe, is_pch_port);
> 	intel_enable_plane(dev_priv, plane, pipe);
> 
> 	if (is_pch_port)
> 		ironlake_pch_enable(crtc);
> 
>-	intel_crtc_load_lut(crtc);
>-
> 	mutex_lock(&dev->struct_mutex);
> 	intel_update_fbc(dev);
> 	mutex_unlock(&dev->struct_mutex);
>-- 
>1.7.1
>

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