diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rs600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs600.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 10dfa78762d..942754c39be 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -242,7 +242,7 @@ void rs600_irq_disable(struct radeon_device *rdev) int rs600_irq_process(struct radeon_device *rdev) { - uint32_t status; + uint32_t status, msi_rearm; uint32_t r500_disp_int; status = rs600_irq_ack(rdev, &r500_disp_int); @@ -260,6 +260,22 @@ int rs600_irq_process(struct radeon_device *rdev) drm_handle_vblank(rdev->ddev, 1); status = rs600_irq_ack(rdev, &r500_disp_int); } + if (rdev->msi_enabled) { + switch (rdev->family) { + case CHIP_RS600: + case CHIP_RS690: + case CHIP_RS740: + msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM; + WREG32(RADEON_BUS_CNTL, msi_rearm); + WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM); + break; + default: + msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN; + WREG32(RADEON_MSI_REARM_EN, msi_rearm); + WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN); + break; + } + } return IRQ_HANDLED; } |