GK20A does not embed a dedicated COPY engine and thus cannot allocate
the copy channel that nouveau_accel_init() attempts to create. It also
lacks any display hardware, so the creation of a software channel does
not apply neither.
Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_drm.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index ef27949057c3..f2394e84eae6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -171,6 +171,11 @@ nouveau_accel_init(struct nouveau_drm *drm)
return;
}
+ if (device->chipset == 0xea) {
+ /* gk20a does not have CE0/CE1 */
+ arg0 = NVE0_CHANNEL_IND_ENGINE_GR;
+ arg1 = 1;
+ } else
if (device->card_type >= NV_E0) {
ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
NVDRM_CHAN + 1,
@@ -207,6 +212,10 @@ 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) {
@@ -233,6 +242,7 @@ 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);
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-tegra" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
