diff options
Diffstat (limited to 'kernel/drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | kernel/drivers/gpu/drm/radeon/r600.c | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/kernel/drivers/gpu/drm/radeon/r600.c b/kernel/drivers/gpu/drm/radeon/r600.c index 21e479fef..cc2fdf0be 100644 --- a/kernel/drivers/gpu/drm/radeon/r600.c +++ b/kernel/drivers/gpu/drm/radeon/r600.c @@ -108,6 +108,53 @@ static void r600_pcie_gen2_enable(struct radeon_device *rdev); extern int evergreen_rlc_resume(struct radeon_device *rdev); extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev); +/* + * Indirect registers accessor + */ +u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg) +{ + unsigned long flags; + u32 r; + + spin_lock_irqsave(&rdev->rcu_idx_lock, flags); + WREG32(R600_RCU_INDEX, ((reg) & 0x1fff)); + r = RREG32(R600_RCU_DATA); + spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags); + return r; +} + +void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v) +{ + unsigned long flags; + + spin_lock_irqsave(&rdev->rcu_idx_lock, flags); + WREG32(R600_RCU_INDEX, ((reg) & 0x1fff)); + WREG32(R600_RCU_DATA, (v)); + spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags); +} + +u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg) +{ + unsigned long flags; + u32 r; + + spin_lock_irqsave(&rdev->uvd_idx_lock, flags); + WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff)); + r = RREG32(R600_UVD_CTX_DATA); + spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags); + return r; +} + +void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v) +{ + unsigned long flags; + + spin_lock_irqsave(&rdev->uvd_idx_lock, flags); + WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff)); + WREG32(R600_UVD_CTX_DATA, (v)); + spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags); +} + /** * r600_get_allowed_info_register - fetch the register for the info ioctl * @@ -4229,7 +4276,7 @@ restart_ih: WREG32(IH_RB_RPTR, rptr); } if (queue_hotplug) - schedule_work(&rdev->hotplug_work); + schedule_delayed_work(&rdev->hotplug_work, 0); if (queue_hdmi) schedule_work(&rdev->audio_work); if (queue_thermal && rdev->pm.dpm_enabled) |