[Nouveau] [PATCH 4/6] drm/nouveau: access fbcon notifier via bo accessors

[Pekka Paalanen]

Notifier can live in system memory or VRAM, hence they must be accessed
using the bo wrapper functions.

Remove the redundant member nouveau_channel::m2mf_ntfy_map.

Signed-off-by: Pekka Paalanen <pq at iki.fi>
---
 drivers/gpu/drm/nouveau/nouveau_dma.c   |    2 --
 drivers/gpu/drm/nouveau/nouveau_drv.h   |    1 -
 drivers/gpu/drm/nouveau/nouveau_fbcon.c |    5 +++--
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c
index e315f01..a555a5d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dma.c
@@ -62,8 +62,6 @@ nouveau_dma_init(struct nouveau_channel *chan)
 		ret = nouveau_bo_map(chan->notifier_bo);
 		if (ret)
 			return ret;
-		chan->m2mf_ntfy_map  = chan->notifier_bo->kmap.virtual;
-		chan->m2mf_ntfy_map += chan->m2mf_ntfy;
 	}
 
 	/* Initialise DMA vars */
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index eb32532..9d71ff5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -215,7 +215,6 @@ struct nouveau_channel
 
 	/* GPU object info for stuff used in-kernel (mm_enabled) */
 	uint32_t m2mf_ntfy;
-	volatile uint32_t *m2mf_ntfy_map;
 	uint32_t vram_handle;
 	uint32_t gart_handle;
 	bool accel_done;
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index d6b4dd2..c72bcc4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -73,12 +73,13 @@ nouveau_fbcon_sync(struct fb_info *info)
 	OUT_RING  (chan, 0);
 	BEGIN_RING(chan, 0, 0x0100, 1);
 	OUT_RING  (chan, 0);
-	chan->m2mf_ntfy_map[3] = 0xffffffff;
+	nouveau_bo_wr32(chan->notifier_bo, chan->m2mf_ntfy + 3, 0xffffffff);
 	FIRE_RING (chan);
 
 	ret = -EBUSY;
 	for (i = 0; i < 100000; i++) {
-		if (chan->m2mf_ntfy_map[3] == 0) {
+		if (nouveau_bo_rd32(chan->notifier_bo, chan->m2mf_ntfy + 3)
+									== 0) {
 			ret = 0;
 			break;
 		}
-- 
1.6.3.3