Attachment 27321 Details for Bug 21576 – Restore the modeset for every activated crtc

[patch] Restore the modeset for every activated crtc

i915_resume.patch (text/plain), 1.11 KB, created by ykzhao on 2009-07-02 01:16:16 UTC

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Creator: ykzhao

Created: 2009-07-02 01:16:16 UTC

Size: 1.11 KB

patch

obsolete

>Subject: [DRM/I915]: Restore the modeset for every activated CRTC
>From: Zhao Yakui <yakui.zhao@intel.com>
>
>Restore the modeset for every activated CRTC in course of resume.
>This is realized by calling the function of drm_helper_resume_force_mode.
>Note: it is meaningful only for the KMS mode.
>
>Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
>---
> drivers/gpu/drm/i915/i915_drv.c |    5 +++++
> 1 file changed, 5 insertions(+)
>
>Index: linux-2.6/drivers/gpu/drm/i915/i915_drv.c
>===================================================================
>--- linux-2.6.orig/drivers/gpu/drm/i915/i915_drv.c	2009-07-02 14:24:44.000000000 +0800
>+++ linux-2.6/drivers/gpu/drm/i915/i915_drv.c	2009-07-02 14:25:52.000000000 +0800
>@@ -35,6 +35,7 @@
> 
> #include "drm_pciids.h"
> #include <linux/console.h>
>+#include "drm_crtc_helper.h"
> 
> static unsigned int i915_modeset = -1;
> module_param_named(modeset, i915_modeset, int, 0400);
>@@ -115,6 +116,10 @@
> 
> 		drm_irq_install(dev);
> 	}
>+	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
>+		/* Resume the modeset for every activated CRTC */
>+		drm_helper_resume_force_mode(dev);
>+	}
> 
> 	return ret;
> }

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