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path: root/drivers/gpu/drm/radeon/r600.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
-rw-r--r--drivers/gpu/drm/radeon/r600.c48
1 files changed, 34 insertions, 14 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 1b6d0001b20..a1198d99cdf 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1654,6 +1654,12 @@ void r600_ring_init(struct radeon_device *rdev, unsigned ring_size)
rdev->cp.align_mask = 16 - 1;
}
+void r600_cp_fini(struct radeon_device *rdev)
+{
+ r600_cp_stop(rdev);
+ radeon_ring_fini(rdev);
+}
+
/*
* GPU scratch registers helpers function.
@@ -1861,6 +1867,12 @@ int r600_startup(struct radeon_device *rdev)
return r;
}
r600_gpu_init(rdev);
+ r = r600_blit_init(rdev);
+ if (r) {
+ r600_blit_fini(rdev);
+ rdev->asic->copy = NULL;
+ dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
+ }
/* pin copy shader into vram */
if (rdev->r600_blit.shader_obj) {
r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
@@ -2045,19 +2057,15 @@ int r600_init(struct radeon_device *rdev)
r = r600_pcie_gart_init(rdev);
if (r)
return r;
- r = r600_blit_init(rdev);
- if (r) {
- r600_blit_fini(rdev);
- rdev->asic->copy = NULL;
- dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
- }
rdev->accel_working = true;
r = r600_startup(rdev);
if (r) {
- r600_suspend(rdev);
+ dev_err(rdev->dev, "disabling GPU acceleration\n");
+ r600_cp_fini(rdev);
r600_wb_fini(rdev);
- radeon_ring_fini(rdev);
+ r600_irq_fini(rdev);
+ radeon_irq_kms_fini(rdev);
r600_pcie_gart_fini(rdev);
rdev->accel_working = false;
}
@@ -2083,20 +2091,17 @@ int r600_init(struct radeon_device *rdev)
void r600_fini(struct radeon_device *rdev)
{
- /* Suspend operations */
- r600_suspend(rdev);
-
r600_audio_fini(rdev);
r600_blit_fini(rdev);
+ r600_cp_fini(rdev);
+ r600_wb_fini(rdev);
r600_irq_fini(rdev);
radeon_irq_kms_fini(rdev);
- radeon_ring_fini(rdev);
- r600_wb_fini(rdev);
r600_pcie_gart_fini(rdev);
+ radeon_agp_fini(rdev);
radeon_gem_fini(rdev);
radeon_fence_driver_fini(rdev);
radeon_clocks_fini(rdev);
- radeon_agp_fini(rdev);
radeon_bo_fini(rdev);
radeon_atombios_fini(rdev);
kfree(rdev->bios);
@@ -2900,3 +2905,18 @@ int r600_debugfs_mc_info_init(struct radeon_device *rdev)
return 0;
#endif
}
+
+/**
+ * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl
+ * rdev: radeon device structure
+ * bo: buffer object struct which userspace is waiting for idle
+ *
+ * Some R6XX/R7XX doesn't seems to take into account HDP flush performed
+ * through ring buffer, this leads to corruption in rendering, see
+ * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we
+ * directly perform HDP flush by writing register through MMIO.
+ */
+void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
+{
+ WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
+}