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drm/nv50: assume smaller tiles for bo moves 

Somehow fixes some corruption seen in KDE..

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
hifive-unleashed-5.1
Ben Skeggs 2010-09-23 15:21:17 +10:00
parent 5f7d42ece3
commit 5220b3c14b
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/nouveau/nouveau_bo.c
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@ -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) {
@ -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);
@ -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);