tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-4.20-wip
head: 6a77c1ba182d156a8b0b4057e23e8a01d9f451a7
commit: d49f1308cd52389f3ba64b0cd98c7a50ed83932a [62/85] drm/amdgpu:add VCN
booting with firmware loaded by PSP
reproduce:
# apt-get install sparse
git checkout d49f1308cd52389f3ba64b0cd98c7a50ed83932a
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c:109:25: sparse: cast to restricted
>> __le32
>> drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c:109:25: sparse: cast to restricted
>> __le32
>> drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c:109:25: sparse: cast to restricted
>> __le32
vim +109 drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
67
68 /**
69 * vcn_v1_0_sw_init - sw init for VCN block
70 *
71 * @handle: amdgpu_device pointer
72 *
73 * Load firmware and sw initialization
74 */
75 static int vcn_v1_0_sw_init(void *handle)
76 {
77 struct amdgpu_ring *ring;
78 int i, r;
79 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
80
81 /* VCN DEC TRAP */
82 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
VCN_1_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.irq);
83 if (r)
84 return r;
85
86 /* VCN ENC TRAP */
87 for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
88 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, i +
VCN_1_0__SRCID__UVD_ENC_GENERAL_PURPOSE,
89 &adev->vcn.irq);
90 if (r)
91 return r;
92 }
93
94 /* VCN JPEG TRAP */
95 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, 126,
&adev->vcn.irq);
96 if (r)
97 return r;
98
99 r = amdgpu_vcn_sw_init(adev);
100 if (r)
101 return r;
102
103 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
104 const struct common_firmware_header *hdr;
105 hdr = (const struct common_firmware_header
*)adev->vcn.fw->data;
106 adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].ucode_id =
AMDGPU_UCODE_ID_VCN;
107 adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].fw =
adev->vcn.fw;
108 adev->firmware.fw_size +=
> 109 ALIGN(le32_to_cpu(hdr->ucode_size_bytes),
> PAGE_SIZE);
110 DRM_INFO("PSP loading VCN firmware\n");
111 }
112
113 r = amdgpu_vcn_resume(adev);
114 if (r)
115 return r;
116
117 ring = &adev->vcn.ring_dec;
118 sprintf(ring->name, "vcn_dec");
119 r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
120 if (r)
121 return r;
122
123 for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
124 ring = &adev->vcn.ring_enc[i];
125 sprintf(ring->name, "vcn_enc%d", i);
126 r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq,
0);
127 if (r)
128 return r;
129 }
130
131 ring = &adev->vcn.ring_jpeg;
132 sprintf(ring->name, "vcn_jpeg");
133 r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0);
134 if (r)
135 return r;
136
137 return r;
138 }
139
---
0-DAY kernel test infrastructure Open Source Technology Center
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