[PATCH 3/3] drm/amdgpu/jpeg: sriov support for jpeg_v5_0_1
fanhuang
FangSheng.Huang at amd.com
Mon May 12 03:44:03 UTC 2025
initialization table handshake with mmsch
Signed-off-by: fanhuang <FangSheng.Huang at amd.com>
---
drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c | 142 +++++++++++++++++++++--
1 file changed, 131 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
index 6f73033d78b5..cb94bd71300f 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
@@ -28,11 +28,13 @@
#include "soc15d.h"
#include "jpeg_v4_0_3.h"
#include "jpeg_v5_0_1.h"
+#include "mmsch_v5_0.h"
#include "vcn/vcn_5_0_0_offset.h"
#include "vcn/vcn_5_0_0_sh_mask.h"
#include "ivsrcid/vcn/irqsrcs_vcn_5_0.h"
+static int jpeg_v5_0_1_start_sriov(struct amdgpu_device *adev);
static void jpeg_v5_0_1_set_dec_ring_funcs(struct amdgpu_device *adev);
static void jpeg_v5_0_1_set_irq_funcs(struct amdgpu_device *adev);
static int jpeg_v5_0_1_set_powergating_state(struct amdgpu_ip_block *ip_block,
@@ -163,14 +165,9 @@ static int jpeg_v5_0_1_sw_init(struct amdgpu_ip_block *ip_block)
(adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
1 + j + 11 * jpeg_inst;
} else {
- if (j < 4)
- ring->doorbell_index =
- (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
- 4 + j + 32 * jpeg_inst;
- else
- ring->doorbell_index =
- (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
- 8 + j + 32 * jpeg_inst;
+ ring->doorbell_index =
+ (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
+ 2 + j + 32 * jpeg_inst;
}
sprintf(ring->name, "jpeg_dec_%d.%d", adev->jpeg.inst[i].aid_id, j);
r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0,
@@ -237,7 +234,10 @@ static int jpeg_v5_0_1_hw_init(struct amdgpu_ip_block *ip_block)
int i, j, r, jpeg_inst;
if (amdgpu_sriov_vf(adev)) {
- /* jpeg_v5_0_1_start_sriov(adev); */
+ r = jpeg_v5_0_1_start_sriov(adev);
+ if (r)
+ return r;
+
for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
ring = &adev->jpeg.inst[i].ring_dec[j];
@@ -291,8 +291,10 @@ static int jpeg_v5_0_1_hw_fini(struct amdgpu_ip_block *ip_block)
cancel_delayed_work_sync(&adev->jpeg.idle_work);
- if (adev->jpeg.cur_state != AMD_PG_STATE_GATE)
- ret = jpeg_v5_0_1_set_powergating_state(ip_block, AMD_PG_STATE_GATE);
+ if (!amdgpu_sriov_vf(adev)) {
+ if (adev->jpeg.cur_state != AMD_PG_STATE_GATE)
+ ret = jpeg_v5_0_1_set_powergating_state(ip_block, AMD_PG_STATE_GATE);
+ }
return ret;
}
@@ -422,6 +424,119 @@ static void jpeg_v5_0_1_init_jrbc(struct amdgpu_ring *ring)
reg_offset);
}
+static int jpeg_v5_0_1_start_sriov(struct amdgpu_device *adev)
+{
+ struct amdgpu_ring *ring;
+ uint64_t ctx_addr;
+ uint32_t param, resp, expected;
+ uint32_t tmp, timeout;
+
+ struct amdgpu_mm_table *table = &adev->virt.mm_table;
+ uint32_t *table_loc;
+ uint32_t table_size;
+ uint32_t size, size_dw, item_offset;
+ uint32_t init_status;
+ int i, j, jpeg_inst;
+
+ struct mmsch_v5_0_cmd_direct_write
+ direct_wt = { {0} };
+ struct mmsch_v5_0_cmd_end end = { {0} };
+ struct mmsch_v5_0_init_header header;
+
+ direct_wt.cmd_header.command_type =
+ MMSCH_COMMAND__DIRECT_REG_WRITE;
+ end.cmd_header.command_type =
+ MMSCH_COMMAND__END;
+
+ for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
+ jpeg_inst = GET_INST(JPEG, i);
+
+ memset(&header, 0, sizeof(struct mmsch_v5_0_init_header));
+ header.version = MMSCH_VERSION;
+ header.total_size = sizeof(struct mmsch_v5_0_init_header) >> 2;
+
+ table_loc = (uint32_t *)table->cpu_addr;
+ table_loc += header.total_size;
+
+ item_offset = header.total_size;
+
+ for (j = 0; j < adev->jpeg.num_jpeg_rings; j++) {
+ ring = &adev->jpeg.inst[i].ring_dec[j];
+ table_size = 0;
+
+ tmp = SOC15_REG_OFFSET(JPEG, 0, regUVD_LMI_JRBC_RB_64BIT_BAR_LOW);
+ MMSCH_V5_0_INSERT_DIRECT_WT(tmp, lower_32_bits(ring->gpu_addr));
+ tmp = SOC15_REG_OFFSET(JPEG, 0, regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH);
+ MMSCH_V5_0_INSERT_DIRECT_WT(tmp, upper_32_bits(ring->gpu_addr));
+ tmp = SOC15_REG_OFFSET(JPEG, 0, regUVD_JRBC_RB_SIZE);
+ MMSCH_V5_0_INSERT_DIRECT_WT(tmp, ring->ring_size / 4);
+
+ if (j < 5) {
+ header.mjpegdec0[j].table_offset = item_offset;
+ header.mjpegdec0[j].init_status = 0;
+ header.mjpegdec0[j].table_size = table_size;
+ } else {
+ header.mjpegdec1[j - 5].table_offset = item_offset;
+ header.mjpegdec1[j - 5].init_status = 0;
+ header.mjpegdec1[j - 5].table_size = table_size;
+ }
+ header.total_size += table_size;
+ item_offset += table_size;
+ }
+
+ MMSCH_V5_0_INSERT_END();
+
+ /* send init table to MMSCH */
+ size = sizeof(struct mmsch_v5_0_init_header);
+ table_loc = (uint32_t *)table->cpu_addr;
+ memcpy((void *)table_loc, &header, size);
+
+ ctx_addr = table->gpu_addr;
+ WREG32_SOC15(VCN, jpeg_inst, regMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr));
+ WREG32_SOC15(VCN, jpeg_inst, regMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr));
+
+ tmp = RREG32_SOC15(VCN, jpeg_inst, regMMSCH_VF_VMID);
+ tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
+ tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
+ WREG32_SOC15(VCN, jpeg_inst, regMMSCH_VF_VMID, tmp);
+
+ size = header.total_size;
+ WREG32_SOC15(VCN, jpeg_inst, regMMSCH_VF_CTX_SIZE, size);
+
+ WREG32_SOC15(VCN, jpeg_inst, regMMSCH_VF_MAILBOX_RESP, 0);
+
+ param = 0x00000001;
+ WREG32_SOC15(VCN, jpeg_inst, regMMSCH_VF_MAILBOX_HOST, param);
+ tmp = 0;
+ timeout = 1000;
+ resp = 0;
+ expected = MMSCH_VF_MAILBOX_RESP__OK;
+ init_status =
+ ((struct mmsch_v5_0_init_header *)(table_loc))->mjpegdec0[i].init_status;
+ while (resp != expected) {
+ resp = RREG32_SOC15(VCN, jpeg_inst, regMMSCH_VF_MAILBOX_RESP);
+
+ if (resp != 0)
+ break;
+ udelay(10);
+ tmp = tmp + 10;
+ if (tmp >= timeout) {
+ DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\
+ " waiting for regMMSCH_VF_MAILBOX_RESP "\
+ "(expected=0x%08x, readback=0x%08x)\n",
+ tmp, expected, resp);
+ return -EBUSY;
+ }
+ }
+ if (resp != expected && resp != MMSCH_VF_MAILBOX_RESP__INCOMPLETE &&
+ init_status != MMSCH_VF_ENGINE_STATUS__PASS)
+ DRM_ERROR("MMSCH init status is incorrect! readback=0x%08x, header init status for jpeg: %x\n",
+ resp, init_status);
+
+ }
+ return 0;
+}
+
/**
* jpeg_v5_0_1_start - start JPEG block
*
@@ -581,6 +696,11 @@ static int jpeg_v5_0_1_set_powergating_state(struct amdgpu_ip_block *ip_block,
struct amdgpu_device *adev = ip_block->adev;
int ret;
+ if (amdgpu_sriov_vf(adev)) {
+ adev->jpeg.cur_state = AMD_PG_STATE_UNGATE;
+ return 0;
+ }
+
if (state == adev->jpeg.cur_state)
return 0;
--
2.34.1
More information about the amd-gfx
mailing list