1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
From 3c693286dae83108ad010eb69e344226d547d2e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 18 Jul 2018 14:52:42 +0200
Subject: [PATCH 5011/5725] drm/amdgpu: patch the IBs for the second UVD
instance v2
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Patch the IBs for the second UVD instance so that userspace don't need
to care about the instance they submit to.
v2: use direct IB patching
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-and-tested-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Raveendra Talabattula <raveendra.talabattula@amd.com>
---
drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
index 1fd09d0..87d6a59 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
@@ -1227,6 +1227,34 @@ static int uvd_v7_0_ring_test_ring(struct amdgpu_ring *ring)
}
/**
+ * uvd_v7_0_ring_patch_cs_in_place - Patch the IB for command submission.
+ *
+ * @p: the CS parser with the IBs
+ * @ib_idx: which IB to patch
+ *
+ */
+static int uvd_v7_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
+ uint32_t ib_idx)
+{
+ struct amdgpu_ib *ib = &p->job->ibs[ib_idx];
+ unsigned i;
+
+ /* No patching necessary for the first instance */
+ if (!p->ring->me)
+ return 0;
+
+ for (i = 0; i < ib->length_dw; i += 2) {
+ uint32_t reg = amdgpu_get_ib_value(p, ib_idx, i);
+
+ reg -= p->adev->reg_offset[UVD_HWIP][0][1];
+ reg += p->adev->reg_offset[UVD_HWIP][1][1];
+
+ amdgpu_set_ib_value(p, ib_idx, i, reg);
+ }
+ return 0;
+}
+
+/**
* uvd_v7_0_ring_emit_ib - execute indirect buffer
*
* @ring: amdgpu_ring pointer
@@ -1718,6 +1746,7 @@ static const struct amdgpu_ring_funcs uvd_v7_0_ring_vm_funcs = {
.get_rptr = uvd_v7_0_ring_get_rptr,
.get_wptr = uvd_v7_0_ring_get_wptr,
.set_wptr = uvd_v7_0_ring_set_wptr,
+ .patch_cs_in_place = uvd_v7_0_ring_patch_cs_in_place,
.emit_frame_size =
2 + /* uvd_v7_0_ring_emit_hdp_flush */
2 + /* uvd_v7_0_ring_emit_hdp_invalidate */
--
2.7.4
|
