Skip to content

Commit

Permalink
drm/nv50: assume smaller tiles for bo moves
Browse files Browse the repository at this point in the history 
Somehow fixes some corruption seen in KDE..

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
  • Loading branch information
Ben Skeggs committed Sep 24, 2010
1 parent 5f7d42e commit 5220b3c
Showing 1 changed file with 4 additions and 4 deletions.
8 changes: 4 additions & 4 deletions drivers/gpu/drm/nouveau/nouveau_bo.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -529,8 +529,8 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
while (length) {
u32 amount, stride, height;

amount = min(length, (u64)(16 * 1024 * 1024));
stride = 64 * 4;
amount = min(length, (u64)(4 * 1024 * 1024));
stride = 16 * 4;
height = amount / stride;

if (new_mem->mem_type == TTM_PL_VRAM && nvbo->tile_flags) {
Expand All @@ -540,7 +540,7 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,

BEGIN_RING(chan, NvSubM2MF, 0x0200, 7);
OUT_RING (chan, 0);
OUT_RING (chan, 0x20);
OUT_RING (chan, 0);
OUT_RING (chan, stride);
OUT_RING (chan, height);
OUT_RING (chan, 1);
Expand All @@ -561,7 +561,7 @@ nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,

BEGIN_RING(chan, NvSubM2MF, 0x021c, 7);
OUT_RING (chan, 0);
OUT_RING (chan, 0x20);
OUT_RING (chan, 0);
OUT_RING (chan, stride);
OUT_RING (chan, height);
OUT_RING (chan, 1);
Expand Down

0 comments on commit 5220b3c

Please sign in to comment.