diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-11-07 18:16:23 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-11-08 12:33:38 -0500 |
| commit | 1cd73ff70d13a22faa95db8323382dd6d036554e (patch) | |
| tree | 1ab0a734088e34a63d62f79038564ffc0bf3be4b /drivers/gpu/drm/radeon/rs690.c | |
| parent | d45fd24dd30a791ba0739a1d3c4fd29710d94b9f (diff) | |
| download | linux-1cd73ff70d13a22faa95db8323382dd6d036554e.tar.bz2 | |
drm/radeon: fix-up some float to fixed conversion thinkos
Spotted by Brad Smith when porting to OpenBSD.
Noticed-by: Brad Smith <brad@comstyle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rs690.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs690.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index 1447d794c22a..1c560629575a 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -345,9 +345,11 @@ static void rs690_crtc_bandwidth_compute(struct radeon_device *rdev, if (max_bandwidth.full > rdev->pm.sideport_bandwidth.full && rdev->pm.sideport_bandwidth.full) max_bandwidth = rdev->pm.sideport_bandwidth; - read_delay_latency.full = dfixed_const(370 * 800 * 1000); - read_delay_latency.full = dfixed_div(read_delay_latency, - rdev->pm.igp_sideport_mclk); + read_delay_latency.full = dfixed_const(370 * 800); + a.full = dfixed_const(1000); + b.full = dfixed_div(rdev->pm.igp_sideport_mclk, a); + read_delay_latency.full = dfixed_div(read_delay_latency, b); + read_delay_latency.full = dfixed_mul(read_delay_latency, a); } else { if (max_bandwidth.full > rdev->pm.k8_bandwidth.full && rdev->pm.k8_bandwidth.full) @@ -488,14 +490,10 @@ static void rs690_compute_mode_priority(struct radeon_device *rdev, } if (wm0->priority_mark.full > priority_mark02.full) priority_mark02.full = wm0->priority_mark.full; - if (dfixed_trunc(priority_mark02) < 0) - priority_mark02.full = 0; if (wm0->priority_mark_max.full > priority_mark02.full) priority_mark02.full = wm0->priority_mark_max.full; if (wm1->priority_mark.full > priority_mark12.full) priority_mark12.full = wm1->priority_mark.full; - if (dfixed_trunc(priority_mark12) < 0) - priority_mark12.full = 0; if (wm1->priority_mark_max.full > priority_mark12.full) priority_mark12.full = wm1->priority_mark_max.full; *d1mode_priority_a_cnt = dfixed_trunc(priority_mark02); @@ -526,8 +524,6 @@ static void rs690_compute_mode_priority(struct radeon_device *rdev, } if (wm0->priority_mark.full > priority_mark02.full) priority_mark02.full = wm0->priority_mark.full; - if (dfixed_trunc(priority_mark02) < 0) - priority_mark02.full = 0; if (wm0->priority_mark_max.full > priority_mark02.full) priority_mark02.full = wm0->priority_mark_max.full; *d1mode_priority_a_cnt = dfixed_trunc(priority_mark02); @@ -555,8 +551,6 @@ static void rs690_compute_mode_priority(struct radeon_device *rdev, } if (wm1->priority_mark.full > priority_mark12.full) priority_mark12.full = wm1->priority_mark.full; - if (dfixed_trunc(priority_mark12) < 0) - priority_mark12.full = 0; if (wm1->priority_mark_max.full > priority_mark12.full) priority_mark12.full = wm1->priority_mark_max.full; *d2mode_priority_a_cnt = dfixed_trunc(priority_mark12); |