diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rs690.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs690.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index d8ddfb34545d..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); @@ -631,20 +625,27 @@ void rs690_bandwidth_update(struct radeon_device *rdev) uint32_t rs690_mc_rreg(struct radeon_device *rdev, uint32_t reg) { + unsigned long flags; uint32_t r; + spin_lock_irqsave(&rdev->mc_idx_lock, flags); WREG32(R_000078_MC_INDEX, S_000078_MC_IND_ADDR(reg)); r = RREG32(R_00007C_MC_DATA); WREG32(R_000078_MC_INDEX, ~C_000078_MC_IND_ADDR); + spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); return r; } void rs690_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) { + unsigned long flags; + + spin_lock_irqsave(&rdev->mc_idx_lock, flags); WREG32(R_000078_MC_INDEX, S_000078_MC_IND_ADDR(reg) | S_000078_MC_IND_WR_EN(1)); WREG32(R_00007C_MC_DATA, v); WREG32(R_000078_MC_INDEX, 0x7F); + spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); } static void rs690_mc_program(struct radeon_device *rdev) |