Messages in this thread Patch in this message | | | From | Marc Dietrich <> | Subject | [PATCH 2/2] nouveau: replace large udelay by mdelay | Date | Wed, 22 May 2013 21:48:42 +0200 |
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ARM has a maximum of 2000 usec delay. Use mdelay for larger delays. This affects distro kernels mostly.
Cc: David Airlie <airlied@linux.ie> Cc: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Marc Dietrich <marvin24@gmx.de> --- 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); nv_wr32(priv, 0x61a00c + doff, 0x80000000); load = (nv_rd32(priv, 0x61a00c + doff) & 0x38000000) >> 27; nv_wr32(priv, 0x61a00c + doff, 0x00000000); -- 1.7.9.5
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