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path: root/drivers/gpu/drm/radeon/r100.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
-rw-r--r--drivers/gpu/drm/radeon/r100.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 71727460968f..8760d66e058a 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -131,7 +131,8 @@ void r100_hpd_init(struct radeon_device *rdev)
break;
}
}
- r100_irq_set(rdev);
+ if (rdev->irq.installed)
+ r100_irq_set(rdev);
}
void r100_hpd_fini(struct radeon_device *rdev)
@@ -243,6 +244,11 @@ int r100_irq_set(struct radeon_device *rdev)
{
uint32_t tmp = 0;
+ if (!rdev->irq.installed) {
+ WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
+ WREG32(R_000040_GEN_INT_CNTL, 0);
+ return -EINVAL;
+ }
if (rdev->irq.sw_int) {
tmp |= RADEON_SW_INT_ENABLE;
}
@@ -356,6 +362,11 @@ void r100_fence_ring_emit(struct radeon_device *rdev,
/* Wait until IDLE & CLEAN */
radeon_ring_write(rdev, PACKET0(0x1720, 0));
radeon_ring_write(rdev, (1 << 16) | (1 << 17));
+ radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
+ radeon_ring_write(rdev, rdev->config.r100.hdp_cntl |
+ RADEON_HDP_READ_BUFFER_INVALIDATE);
+ radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
+ radeon_ring_write(rdev, rdev->config.r100.hdp_cntl);
/* Emit fence sequence & fire IRQ */
radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
radeon_ring_write(rdev, fence->seq);
@@ -1713,14 +1724,6 @@ void r100_gpu_init(struct radeon_device *rdev)
r100_hdp_reset(rdev);
}
-void r100_hdp_flush(struct radeon_device *rdev)
-{
- u32 tmp;
- tmp = RREG32(RADEON_HOST_PATH_CNTL);
- tmp |= RADEON_HDP_READ_BUFFER_INVALIDATE;
- WREG32(RADEON_HOST_PATH_CNTL, tmp);
-}
-
void r100_hdp_reset(struct radeon_device *rdev)
{
uint32_t tmp;
@@ -3313,6 +3316,7 @@ static int r100_startup(struct radeon_device *rdev)
}
/* Enable IRQ */
r100_irq_set(rdev);
+ rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
r = r100_cp_init(rdev, 1024 * 1024);
if (r) {
@@ -3371,6 +3375,7 @@ void r100_fini(struct radeon_device *rdev)
radeon_gem_fini(rdev);
if (rdev->flags & RADEON_IS_PCI)
r100_pci_gart_fini(rdev);
+ radeon_agp_fini(rdev);
radeon_irq_kms_fini(rdev);
radeon_fence_driver_fini(rdev);
radeon_bo_fini(rdev);