From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 30 Jan 2014 19:35:04 +0000 (-0500)
Subject: drm/radeon: fix UVD IRQ support on 7xx
X-Git-Tag: firefly_0821_release~3679^2~2800
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1dd657f51365243577666beba4ee0644a6feeec6;p=firefly-linux-kernel-4.4.55.git

drm/radeon: fix UVD IRQ support on 7xx

commit 858a41c853cef2cb01de34dae334c19c1c15b237 upstream.

Otherwise decoding isn't really useable.

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/r600.c b/drivers/gpu/drm/radeon/r600.c
index 1b8c3707bf42..4cf21ec1abe3 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -4509,6 +4509,10 @@ 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 176: /* CP_INT in ring buffer */
 		case 177: /* CP_INT in IB1 */
 		case 178: /* CP_INT in IB2 */