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path: root/drivers/gpu/drm/nouveau/dispnv50/disp.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv50/disp.c')
-rw-r--r--drivers/gpu/drm/nouveau/dispnv50/disp.c46
1 files changed, 37 insertions, 9 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 9bae4db84cfb..8412119bd940 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -136,12 +136,24 @@ nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
{
struct nouveau_cli *cli = (void *)device->object.client;
struct nv50_disp_core_channel_dma_v0 *args = data;
+ u8 type = NVIF_MEM_COHERENT;
int ret;
mutex_init(&dmac->lock);
- ret = nvif_mem_init_map(&cli->mmu, NVIF_MEM_COHERENT, 0x1000,
- &dmac->push);
+ /* Pascal added support for 47-bit physical addresses, but some
+ * parts of EVO still only accept 40-bit PAs.
+ *
+ * To avoid issues on systems with large amounts of RAM, and on
+ * systems where an IOMMU maps pages at a high address, we need
+ * to allocate push buffers in VRAM instead.
+ *
+ * This appears to match NVIDIA's behaviour on Pascal.
+ */
+ if (device->info.family == NV_DEVICE_INFO_V0_PASCAL)
+ type |= NVIF_MEM_VRAM;
+
+ ret = nvif_mem_init_map(&cli->mmu, type, 0x1000, &dmac->push);
if (ret)
return ret;
@@ -216,6 +228,19 @@ void
evo_kick(u32 *push, struct nv50_dmac *evoc)
{
struct nv50_dmac *dmac = evoc;
+
+ /* Push buffer fetches are not coherent with BAR1, we need to ensure
+ * writes have been flushed right through to VRAM before writing PUT.
+ */
+ if (dmac->push.type & NVIF_MEM_VRAM) {
+ struct nvif_device *device = dmac->base.device;
+ nvif_wr32(&device->object, 0x070000, 0x00000001);
+ nvif_msec(device, 2000,
+ if (!(nvif_rd32(&device->object, 0x070000) & 0x00000002))
+ break;
+ );
+ }
+
nvif_wr32(&dmac->base.user, 0x0000, (push - dmac->ptr) << 2);
mutex_unlock(&dmac->lock);
}
@@ -424,7 +449,7 @@ nv50_dac_create(struct drm_connector *connector, struct dcb_output *dcbe)
"dac-%04x-%04x", dcbe->hasht, dcbe->hashm);
drm_encoder_helper_add(encoder, &nv50_dac_help);
- drm_mode_connector_attach_encoder(connector, encoder);
+ drm_connector_attach_encoder(connector, encoder);
return 0;
}
@@ -850,7 +875,7 @@ nv50_mstc_get_modes(struct drm_connector *connector)
int ret = 0;
mstc->edid = drm_dp_mst_get_edid(&mstc->connector, mstc->port->mgr, mstc->port);
- drm_mode_connector_update_edid_property(&mstc->connector, mstc->edid);
+ drm_connector_update_edid_property(&mstc->connector, mstc->edid);
if (mstc->edid)
ret = drm_add_edid_modes(&mstc->connector, mstc->edid);
@@ -927,11 +952,11 @@ nv50_mstc_new(struct nv50_mstm *mstm, struct drm_dp_mst_port *port,
nouveau_conn_attach_properties(&mstc->connector);
for (i = 0; i < ARRAY_SIZE(mstm->msto) && mstm->msto[i]; i++)
- drm_mode_connector_attach_encoder(&mstc->connector, &mstm->msto[i]->encoder);
+ drm_connector_attach_encoder(&mstc->connector, &mstm->msto[i]->encoder);
drm_object_attach_property(&mstc->connector.base, dev->mode_config.path_property, 0);
drm_object_attach_property(&mstc->connector.base, dev->mode_config.tile_property, 0);
- drm_mode_connector_set_path_property(&mstc->connector, path);
+ drm_connector_set_path_property(&mstc->connector, path);
return 0;
}
@@ -1007,7 +1032,7 @@ nv50_mstm_destroy_connector(struct drm_dp_mst_topology_mgr *mgr,
mstc->port = NULL;
drm_modeset_unlock(&drm->dev->mode_config.connection_mutex);
- drm_connector_unreference(&mstc->connector);
+ drm_connector_put(&mstc->connector);
}
static void
@@ -1418,7 +1443,7 @@ nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
"sor-%04x-%04x", dcbe->hasht, dcbe->hashm);
drm_encoder_helper_add(encoder, &nv50_sor_help);
- drm_mode_connector_attach_encoder(connector, encoder);
+ drm_connector_attach_encoder(connector, encoder);
if (dcbe->type == DCB_OUTPUT_DP) {
struct nv50_disp *disp = nv50_disp(encoder->dev);
@@ -1576,7 +1601,7 @@ nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe)
"pior-%04x-%04x", dcbe->hasht, dcbe->hashm);
drm_encoder_helper_add(encoder, &nv50_pior_help);
- drm_mode_connector_attach_encoder(connector, encoder);
+ drm_connector_attach_encoder(connector, encoder);
return 0;
}
@@ -2232,6 +2257,9 @@ nv50_display_create(struct drm_device *dev)
connector->funcs->destroy(connector);
}
+ /* Disable vblank irqs aggressively for power-saving, safe on nv50+ */
+ dev->vblank_disable_immediate = true;
+
out:
if (ret)
nv50_display_destroy(dev);