Displaying 2 results from an estimated 2 matches for "gf119_disp_dmac_init".
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gf119_disp_dmac_fini
2018 Aug 20
0
[PATCH 2/2] drm/nouveau: Fix GM107 disp dmac chan init on ThinkPad P50
...) < 0) {
nvkm_error(subdev, "ch %d fini: %08x\n", user,
nvkm_rd32(device, 0x610490 + (ctrl * 0x10)));
+ return false;
}
+
+ return true;
+}
+
+void
+gf119_disp_dmac_fini(struct nv50_disp_chan *chan)
+{
+ gf119_disp_dmac_deactivate(chan);
}
static int
@@ -63,6 +72,12 @@ gf119_disp_dmac_init(struct nv50_disp_chan *chan)
int ctrl = chan->chid.ctrl;
int user = chan->chid.user;
+ /* shut down the channel if it was left on, probably by the VBIOS */
+ if ((nvkm_rd32(device, 0x610490 + (ctrl * 0x10)) & 0x000a0000) == 0x000a0000 &&
+ WARN_ON(!gf119_disp_dmac_deacti...
2018 Aug 20
3
[PATCH 0/2] drm/nouveau: Fix GM107 disp init failures on ThinkPad P50
This series fixes some intermittent issues with bringing up the
dedicated GM107 GPU that I've been observing on my ThinkPad P50. More
details within.
Lyude Paul (2):
drm/nouveau: Fix GM107 disp core chan init on ThinkPad P50
drm/nouveau: Fix GM107 disp dmac chan init on ThinkPad P50
.../drm/nouveau/nvkm/engine/disp/coregf119.c | 21 +++++++++++++++++--