drm/radeon: fix UVD IRQ support on SI

commit b927e1c20462c1ad9caf4c4fa3a30e838a2d4037 upstream.

Otherwise decoding isn't really useable.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=71448

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 3f39f15..8277ee0 100644 (file)
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -6281,6 +6281,10 @@ restart_ih:
                                break;
                        }
                        break;
+               case 124: /* UVD */
+                       DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
+                       radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
+                       break;
                case 146:
                case 147:
                        addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);