diff options
| author |   Christopher Harvey <charvey@matrox.com> | 2013-05-06 15:56:17 +0000 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2013-05-13 12:17:31 +1000 |
| commit | 3cdc0e8d6142aaf3eb84a53eab6de1160da290a3 (patch) | |
| tree | 5d58e05c0827b7440f5c1b293bf4e20162e5ee90 | |
| parent | drm/mgag200: Fix writes into MGA1064_PIX_CLK_CTL register (diff) | |
| download | linux-dev-3cdc0e8d6142aaf3eb84a53eab6de1160da290a3.tar.xz linux-dev-3cdc0e8d6142aaf3eb84a53eab6de1160da290a3.zip | |
drm/mgag200: Convert counter delays to jiffies
Signed-off-by: Christopher Harvey <charvey@matrox.com>
Acked-by: Julia Lemire <jlemire@matrox.com>
Tested-by: Julia Lemire <jlemire@matrox.com>
Acked-by: Mathieu Larouche <mathieu.larouche@matrox.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_mode.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index d983868ebd35..0326989a6aec 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -46,29 +46,26 @@ static void mga_crtc_load_lut(struct drm_crtc *crtc) static inline void mga_wait_vsync(struct mga_device *mdev) { - unsigned int count = 0; + unsigned long timeout = jiffies + HZ/10; unsigned int status = 0; do { status = RREG32(MGAREG_Status); - count++; - } while ((status & 0x08) && (count < 250000)); - count = 0; + } while ((status & 0x08) && time_before(jiffies, timeout)); + timeout = jiffies + HZ/10; status = 0; do { status = RREG32(MGAREG_Status); - count++; - } while (!(status & 0x08) && (count < 250000)); + } while (!(status & 0x08) && time_before(jiffies, timeout)); } static inline void mga_wait_busy(struct mga_device *mdev) { - unsigned int count = 0; + unsigned long timeout = jiffies + HZ; unsigned int status = 0; do { status = RREG8(MGAREG_Status + 2); - count++; - } while ((status & 0x01) && (count < 500000)); + } while ((status & 0x01) && time_before(jiffies, timeout)); } /* |