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authorChristopher Harvey <charvey@matrox.com>2013-05-06 11:56:17 -0400
committerDave Airlie <airlied@redhat.com>2013-05-12 22:17:31 -0400
commit3cdc0e8d6142aaf3eb84a53eab6de1160da290a3 (patch)
tree5d58e05c0827b7440f5c1b293bf4e20162e5ee90 /drivers/gpu
parentfb70a6690875315a3a1454e52fa339441ee7612b (diff)
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_mode.c15
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)
46 46
47static inline void mga_wait_vsync(struct mga_device *mdev) 47static inline void mga_wait_vsync(struct mga_device *mdev)
48{ 48{
49 unsigned int count = 0; 49 unsigned long timeout = jiffies + HZ/10;
50 unsigned int status = 0; 50 unsigned int status = 0;
51 51
52 do { 52 do {
53 status = RREG32(MGAREG_Status); 53 status = RREG32(MGAREG_Status);
54 count++; 54 } while ((status & 0x08) && time_before(jiffies, timeout));
55 } while ((status & 0x08) && (count < 250000)); 55 timeout = jiffies + HZ/10;
56 count = 0;
57 status = 0; 56 status = 0;
58 do { 57 do {
59 status = RREG32(MGAREG_Status); 58 status = RREG32(MGAREG_Status);
60 count++; 59 } while (!(status & 0x08) && time_before(jiffies, timeout));
61 } while (!(status & 0x08) && (count < 250000));
62} 60}
63 61
64static inline void mga_wait_busy(struct mga_device *mdev) 62static inline void mga_wait_busy(struct mga_device *mdev)
65{ 63{
66 unsigned int count = 0; 64 unsigned long timeout = jiffies + HZ;
67 unsigned int status = 0; 65 unsigned int status = 0;
68 do { 66 do {
69 status = RREG8(MGAREG_Status + 2); 67 status = RREG8(MGAREG_Status + 2);
70 count++; 68 } while ((status & 0x01) && time_before(jiffies, timeout));
71 } while ((status & 0x01) && (count < 500000));
72} 69}
73 70
74/* 71/*