Attachment 106804 Details for Bug 27501 – Fix acceleration on 9400M

[patch] Fix acceleration on 9400M

0002-drm-nouveau-disp-nv50-Add-PFB-writes.patch (text/plain), 1.43 KB, created by Pierre Moreau on 2014-09-24 17:14:24 UTC

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Creator: Pierre Moreau

Created: 2014-09-24 17:14:24 UTC

Size: 1.43 KB

patch

obsolete

>From e91601a78c3e5df6afa6d101dad24299dcbdf281 Mon Sep 17 00:00:00 2001
>From: Pierre Moreau <pierre.morrow@free.fr>
>Date: Wed, 24 Sep 2014 19:03:21 +0200
>Subject: [PATCH 2/2] drm/nouveau/disp/nv50: Add PFB writes
>To: nouveau@lists.freedesktop.org,
>    dri-devel@lists.freedesktop.org,
>    Ben Skeggs <bskeggs@redhat.com>
>
>This fix a GPU lockup on 9400M (NVAC) when using acceleration, see #27501.
>
>Signed-off-by: Pierre Moreau <pierre.morrow@free.fr>
>---
> drivers/gpu/drm/nouveau/core/engine/disp/nv50.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
>diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
>index a7efbff..e425604 100644
>--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
>+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
>@@ -1137,6 +1137,15 @@ nv50_disp_base_init(struct nouveau_object *object)
> 	if (ret)
> 		return ret;
> 
>+	if (nv_device(priv)->chipset == 0xac) {
>+		nv_mask(priv, 0x100c18, 0x00000000, 0x000027ff);
>+		nv_mask(priv, 0x100c14, 0x00000000, 0x00000001);
>+		nv_mask(priv, 0x100c1c, 0x00000000, 0x000027fc);
>+		nv_mask(priv, 0x100c14, 0x00000000, 0x00000002);
>+		nv_mask(priv, 0x100c24, 0x00000002, 0x000027fd);
>+		nv_mask(priv, 0x100c14, 0x00000000, 0x00010000);
>+	}
>+
> 	/* The below segments of code copying values from one register to
> 	 * another appear to inform EVO of the display capabilities or
> 	 * something similar.  NFI what the 0x614004 caps are for..
>-- 
>2.1.0
>

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Attachments on bug 27501: 34863 | 48817 | 106246 | 106803 | 106804 | 106977 | 107262 | 109963 | 109964 | 110350 | 110376

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