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 --- drivers/gpu/drm/mgag200/mgag200_mode.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 6f3b9db..6dbf6de 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)); }
/*