On 05/22/2013 12:48 PM, Marc Dietrich wrote:
ARM has a maximum of 2000 usec delay. Use mdelay for larger delays.
This affects distro kernels mostly.
Cc: David Airlie <[email protected]>
Cc: Ben Skeggs <[email protected]>
Signed-off-by: Marc Dietrich <[email protected]>
---
drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c
b/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c
index d0817d9..ed7415e 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/dacnv50.c
@@ -51,7 +51,8 @@ nv50_dac_sense(struct nv50_disp_priv *priv, int or, u32
loadval)
const u32 doff = (or * 0x800);
int load = -EINVAL;
nv_wr32(priv, 0x61a00c + doff, 0x00100000 | loadval);
- udelay(9500);
+ mdelay(9);
+ udelay(500);
That looks very ugly. Can you just use 9 or 10 instead of adding on the
extra 500uS?
David Daney
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