Attachment 127005 Details for Bug 97918 – kernel patch for intel_opregion.c in v4.8

[patch] kernel patch for intel_opregion.c in v4.8

0007-broadwell-gfx-fix.patch (text/plain), 1.26 KB, created by Nicholas Stommel on 2016-10-04 19:33:21 UTC

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Creator: Nicholas Stommel

Created: 2016-10-04 19:33:21 UTC

Size: 1.26 KB

patch

obsolete

>--- linux-4.8/drivers/gpu/drm/i915/intel_opregion.c	2016-10-02 19:24:33.000000000 -0400
>+++ linux-4.8-patch/drivers/gpu/drm/i915/intel_opregion.c	2016-10-04 01:20:40.928367713 -0400
>@@ -1047,23 +1047,6 @@
> 	return err;
> }
> 
>-static int intel_use_opregion_panel_type_callback(const struct dmi_system_id *id)
>-{
>-	DRM_INFO("Using panel type from OpRegion on %s\n", id->ident);
>-	return 1;
>-}
>-
>-static const struct dmi_system_id intel_use_opregion_panel_type[] = {
>-	{
>-		.callback = intel_use_opregion_panel_type_callback,
>-		.ident = "Conrac GmbH IX45GM2",
>-		.matches = {DMI_MATCH(DMI_SYS_VENDOR, "Conrac GmbH"),
>-			    DMI_MATCH(DMI_PRODUCT_NAME, "IX45GM2"),
>-		},
>-	},
>-	{ }
>-};
>-
> int
> intel_opregion_get_panel_type(struct drm_i915_private *dev_priv)
> {
>@@ -1089,16 +1072,6 @@
> 		return -ENODEV;
> 	}
> 
>-	/*
>-	 * So far we know that some machined must use it, others must not use it.
>-	 * There doesn't seem to be any way to determine which way to go, except
>-	 * via a quirk list :(
>-	 */
>-	if (!dmi_check_system(intel_use_opregion_panel_type)) {
>-		DRM_DEBUG_KMS("Ignoring OpRegion panel type (%d)\n", ret - 1);
>-		return -ENODEV;
>-	}
>-
> 	/*
> 	 * FIXME On Dell XPS 13 9350 the OpRegion panel type (0) gives us
> 	 * low vswing for eDP, whereas the VBT panel type (2) gives us normal

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Attachments on bug 97918: 126978 | 126979 | 127004 | 127005 | 127232 | 130131 | 130330

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