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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.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 11c9a3fe681..c0d4650cdb7 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -354,11 +354,17 @@ u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
return RREG32(RADEON_CRTC2_CRNT_FRAME);
}
+/* Who ever call radeon_fence_emit should call ring_lock and ask
+ * for enough space (today caller are ib schedule and buffer move) */
void r100_fence_ring_emit(struct radeon_device *rdev,
struct radeon_fence *fence)
{
- /* Who ever call radeon_fence_emit should call ring_lock and ask
- * for enough space (today caller are ib schedule and buffer move) */
+ /* We have to make sure that caches are flushed before
+ * CPU might read something from VRAM. */
+ radeon_ring_write(rdev, PACKET0(RADEON_RB3D_DSTCACHE_CTLSTAT, 0));
+ radeon_ring_write(rdev, RADEON_RB3D_DC_FLUSH_ALL);
+ radeon_ring_write(rdev, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
+ radeon_ring_write(rdev, RADEON_RB3D_ZC_FLUSH_ALL);
/* Wait until IDLE & CLEAN */
radeon_ring_write(rdev, PACKET0(0x1720, 0));
radeon_ring_write(rdev, (1 << 16) | (1 << 17));
@@ -3369,7 +3375,6 @@ int r100_suspend(struct radeon_device *rdev)
void r100_fini(struct radeon_device *rdev)
{
- r100_suspend(rdev);
r100_cp_fini(rdev);
r100_wb_fini(rdev);
r100_ib_fini(rdev);
@@ -3481,13 +3486,12 @@ int r100_init(struct radeon_device *rdev)
if (r) {
/* Somethings want wront with the accel init stop accel */
dev_err(rdev->dev, "Disabling GPU acceleration\n");
- r100_suspend(rdev);
r100_cp_fini(rdev);
r100_wb_fini(rdev);
r100_ib_fini(rdev);
+ radeon_irq_kms_fini(rdev);
if (rdev->flags & RADEON_IS_PCI)
r100_pci_gart_fini(rdev);
- radeon_irq_kms_fini(rdev);
rdev->accel_working = false;
}
return 0;