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path: root/drivers/gpu/drm/radeon/rs600.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/rs600.c')
-rw-r--r--drivers/gpu/drm/radeon/rs600.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 10dfa78762d..5f117cd8736 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;
}
@@ -472,6 +488,8 @@ int rs600_init(struct radeon_device *rdev)
}
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
+ /* Initialize power management */
+ radeon_pm_init(rdev);
/* Get vram informations */
rs600_vram_info(rdev);
/* Initialize memory controller (also test AGP) */