Attachment 106803 Details for Bug 27501 – Option for disabling acceleration for given chipset

[patch] Option for disabling acceleration for given chipset

0001-drm-nouveau-Add-option-desabling-accel-for-given-chi.patch (text/plain), 3.33 KB, created by Pierre Moreau on 2014-09-24 17:11:08 UTC

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Creator: Pierre Moreau

Created: 2014-09-24 17:11:08 UTC

Size: 3.33 KB

patch

obsolete

>From 34da3e8a81c8bdb579eafc62cca2d0b71bc455f1 Mon Sep 17 00:00:00 2001
>From: Pierre Moreau <pierre.morrow@free.fr>
>Date: Wed, 24 Sep 2014 19:02:03 +0200
>Subject: [PATCH 1/2] drm/nouveau: Add option desabling accel for given chipset
>To: nouveau@lists.freedesktop.org,
>    dri-devel@lists.freedesktop.org,
>    Ben Skeggs <bskeggs@redhat.com>
>
>Signed-off-by: Pierre Moreau <pierre.morrow@free.fr>
>---
> drivers/gpu/drm/nouveau/nouveau_drm.c | 32 ++++++++++++++++++++------------
> 1 file changed, 20 insertions(+), 12 deletions(-)
>
>diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
>index 244d78f..5546864 100644
>--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
>+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
>@@ -65,6 +65,10 @@ MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
> static int nouveau_noaccel = 0;
> module_param_named(noaccel, nouveau_noaccel, int, 0400);
> 
>+MODULE_PARM_DESC(chipsetnoaccel, "disable kernel/abi16 acceleration for a specific chipset");
>+static unsigned int nouveau_chipset_noaccel = 0u;
>+module_param_named(chipsetnoaccel, nouveau_chipset_noaccel, int, 0600);
>+
> MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
> 		          "0 = disabled, 1 = enabled, 2 = headless)");
> int nouveau_modeset = -1;
>@@ -149,8 +153,11 @@ nouveau_accel_init(struct nouveau_drm *drm)
> 	u32 sclass[16];
> 	int ret, i;
> 
>-	if (nouveau_noaccel)
>+	if (nouveau_noaccel || nouveau_chipset_noaccel == device->info.chipset)
>+	{
>+		NV_WARN(drm, "Acceleration disabled on chipset 0x%02x\n", device->info.chipset);
> 		return;
>+	}
> 
> 	/* initialise synchronisation routines */
> 	/*XXX: this is crap, but the fence/channel stuff is a little
>@@ -1033,17 +1040,18 @@ static void nouveau_display_options(void)
> {
> 	DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
> 
>-	DRM_DEBUG_DRIVER("... tv_disable   : %d\n", nouveau_tv_disable);
>-	DRM_DEBUG_DRIVER("... ignorelid    : %d\n", nouveau_ignorelid);
>-	DRM_DEBUG_DRIVER("... duallink     : %d\n", nouveau_duallink);
>-	DRM_DEBUG_DRIVER("... nofbaccel    : %d\n", nouveau_nofbaccel);
>-	DRM_DEBUG_DRIVER("... config       : %s\n", nouveau_config);
>-	DRM_DEBUG_DRIVER("... debug        : %s\n", nouveau_debug);
>-	DRM_DEBUG_DRIVER("... noaccel      : %d\n", nouveau_noaccel);
>-	DRM_DEBUG_DRIVER("... modeset      : %d\n", nouveau_modeset);
>-	DRM_DEBUG_DRIVER("... runpm        : %d\n", nouveau_runtime_pm);
>-	DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
>-	DRM_DEBUG_DRIVER("... pstate       : %d\n", nouveau_pstate);
>+	DRM_DEBUG_DRIVER("... tv_disable     : %d\n", nouveau_tv_disable);
>+	DRM_DEBUG_DRIVER("... ignorelid      : %d\n", nouveau_ignorelid);
>+	DRM_DEBUG_DRIVER("... duallink       : %d\n", nouveau_duallink);
>+	DRM_DEBUG_DRIVER("... nofbaccel      : %d\n", nouveau_nofbaccel);
>+	DRM_DEBUG_DRIVER("... config         : %s\n", nouveau_config);
>+	DRM_DEBUG_DRIVER("... debug          : %s\n", nouveau_debug);
>+	DRM_DEBUG_DRIVER("... noaccel        : %d\n", nouveau_noaccel);
>+	DRM_DEBUG_DRIVER("... chipsetnoaccel : 0x%02x\n", nouveau_chipset_noaccel);
>+	DRM_DEBUG_DRIVER("... modeset        : %d\n", nouveau_modeset);
>+	DRM_DEBUG_DRIVER("... runpm          : %d\n", nouveau_runtime_pm);
>+	DRM_DEBUG_DRIVER("... vram_pushbuf   : %d\n", nouveau_vram_pushbuf);
>+	DRM_DEBUG_DRIVER("... pstate         : %d\n", nouveau_pstate);
> }
> 
> static const struct dev_pm_ops nouveau_pm_ops = {
>-- 
>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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