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path: root/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c
index d0817d94454..f02fd9f443f 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c
@@ -50,11 +50,16 @@ nv50_dac_sense(struct nv50_disp_priv *priv, int or, u32 loadval)
{
const u32 doff = (or * 0x800);
int load = -EINVAL;
+ nv_mask(priv, 0x61a004 + doff, 0x807f0000, 0x80150000);
+ nv_wait(priv, 0x61a004 + doff, 0x80000000, 0x00000000);
nv_wr32(priv, 0x61a00c + doff, 0x00100000 | loadval);
- udelay(9500);
+ mdelay(9);
+ udelay(500);
nv_wr32(priv, 0x61a00c + doff, 0x80000000);
load = (nv_rd32(priv, 0x61a00c + doff) & 0x38000000) >> 27;
nv_wr32(priv, 0x61a00c + doff, 0x00000000);
+ nv_mask(priv, 0x61a004 + doff, 0x807f0000, 0x80550000);
+ nv_wait(priv, 0x61a004 + doff, 0x80000000, 0x00000000);
return load;
}