diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/uvd_v3_1.c')
-rw-r--r-- | drivers/gpu/drm/radeon/uvd_v3_1.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/uvd_v3_1.c b/drivers/gpu/drm/radeon/uvd_v3_1.c new file mode 100644 index 000000000000..5b6fa1f62d4e --- /dev/null +++ b/drivers/gpu/drm/radeon/uvd_v3_1.c | |||
@@ -0,0 +1,55 @@ | |||
1 | /* | ||
2 | * Copyright 2013 Advanced Micro Devices, Inc. | ||
3 | * | ||
4 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
5 | * copy of this software and associated documentation files (the "Software"), | ||
6 | * to deal in the Software without restriction, including without limitation | ||
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
8 | * and/or sell copies of the Software, and to permit persons to whom the | ||
9 | * Software is furnished to do so, subject to the following conditions: | ||
10 | * | ||
11 | * The above copyright notice and this permission notice shall be included in | ||
12 | * all copies or substantial portions of the Software. | ||
13 | * | ||
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | ||
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | ||
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | ||
20 | * OTHER DEALINGS IN THE SOFTWARE. | ||
21 | * | ||
22 | * Authors: Christian König <christian.koenig@amd.com> | ||
23 | */ | ||
24 | |||
25 | #include <drm/drmP.h> | ||
26 | #include "radeon.h" | ||
27 | #include "radeon_asic.h" | ||
28 | #include "nid.h" | ||
29 | |||
30 | /** | ||
31 | * uvd_v3_1_semaphore_emit - emit semaphore command | ||
32 | * | ||
33 | * @rdev: radeon_device pointer | ||
34 | * @ring: radeon_ring pointer | ||
35 | * @semaphore: semaphore to emit commands for | ||
36 | * @emit_wait: true if we should emit a wait command | ||
37 | * | ||
38 | * Emit a semaphore command (either wait or signal) to the UVD ring. | ||
39 | */ | ||
40 | void uvd_v3_1_semaphore_emit(struct radeon_device *rdev, | ||
41 | struct radeon_ring *ring, | ||
42 | struct radeon_semaphore *semaphore, | ||
43 | bool emit_wait) | ||
44 | { | ||
45 | uint64_t addr = semaphore->gpu_addr; | ||
46 | |||
47 | radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0)); | ||
48 | radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF); | ||
49 | |||
50 | radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0)); | ||
51 | radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF); | ||
52 | |||
53 | radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0)); | ||
54 | radeon_ring_write(ring, 0x80 | (emit_wait ? 1 : 0)); | ||
55 | } | ||