linux-kernel - [PATCH v2 09/10] drm/nouveau: support GK20A in nouveau_accel

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Date:	Mon, 21 Apr 2014 15:02:21 +0900
From:	Alexandre Courbot <acourbot@...dia.com>
To:	Ben Skeggs <bskeggs@...hat.com>
CC:	Thierry Reding <thierry.reding@...il.com>,
	<nouveau@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>,
	<linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<gnurou@...il.com>, Alexandre Courbot <acourbot@...dia.com>
Subject: [PATCH v2 09/10] drm/nouveau: support GK20A in nouveau_accel_init()

Skip the creation of a software channel for GK20A as software methods
are not yet supported.

Signed-off-by: Alexandre Courbot <acourbot@...dia.com>
---
 drivers/gpu/drm/nouveau/nouveau_drm.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index ddd83756b9a2..5b46148ffd32 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -208,6 +208,10 @@ nouveau_accel_init(struct nouveau_drm *drm)
 		return;
 	}
 
+	/* Need to figure out how to handle sw for gk20a */
+	if (device->chipset == 0xea)
+		goto skip_sw_init;
+
 	ret = nouveau_object_new(nv_object(drm), NVDRM_CHAN, NVDRM_NVSW,
 				 nouveau_abi16_swclass(drm), NULL, 0, &object);
 	if (ret == 0) {
@@ -234,6 +238,7 @@ nouveau_accel_init(struct nouveau_drm *drm)
 		return;
 	}
 
+skip_sw_init:
 	if (device->card_type < NV_C0) {
 		ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0,
 					&drm->notify);
-- 
1.9.2

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