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path: root/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c162
1 files changed, 148 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
index 3129094baccc..5f2a034b9ec0 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
@@ -28,6 +28,7 @@
#include "soc15d.h"
#include "jpeg_v2_0.h"
#include "jpeg_v4_0.h"
+#include "mmsch_v4_0.h"
#include "vcn/vcn_4_0_0_offset.h"
#include "vcn/vcn_4_0_0_sh_mask.h"
@@ -35,12 +36,15 @@
#define regUVD_JPEG_PITCH_INTERNAL_OFFSET 0x401f
+static int jpeg_v4_0_start_sriov(struct amdgpu_device *adev);
static void jpeg_v4_0_set_dec_ring_funcs(struct amdgpu_device *adev);
static void jpeg_v4_0_set_irq_funcs(struct amdgpu_device *adev);
static int jpeg_v4_0_set_powergating_state(void *handle,
enum amd_powergating_state state);
static void jpeg_v4_0_set_ras_funcs(struct amdgpu_device *adev);
+static void jpeg_v4_0_dec_ring_set_wptr(struct amdgpu_ring *ring);
+
/**
* jpeg_v4_0_early_init - set function pointers
*
@@ -103,7 +107,8 @@ static int jpeg_v4_0_sw_init(void *handle)
ring = &adev->jpeg.inst->ring_dec;
ring->use_doorbell = true;
- ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
+ ring->doorbell_index = amdgpu_sriov_vf(adev) ? (((adev->doorbell_index.vcn.vcn_ring0_1) << 1) + 4) : ((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1);
+
sprintf(ring->name, "jpeg_dec");
r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0,
AMDGPU_RING_PRIO_DEFAULT, NULL);
@@ -153,16 +158,26 @@ static int jpeg_v4_0_hw_init(void *handle)
struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
int r;
- adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
- (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
+ if (amdgpu_sriov_vf(adev)) {
+ r = jpeg_v4_0_start_sriov(adev);
+ if (r)
+ return r;
+ ring->wptr = 0;
+ ring->wptr_old = 0;
+ jpeg_v4_0_dec_ring_set_wptr(ring);
+ ring->sched.ready = true;
+ } else {
+ adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
+ (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
- WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL,
- ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT |
- VCN_JPEG_DB_CTRL__EN_MASK);
+ WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL,
+ ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT |
+ VCN_JPEG_DB_CTRL__EN_MASK);
- r = amdgpu_ring_test_helper(ring);
- if (r)
- return r;
+ r = amdgpu_ring_test_helper(ring);
+ if (r)
+ return r;
+ }
DRM_DEV_INFO(adev->dev, "JPEG decode initialized successfully.\n");
@@ -181,11 +196,11 @@ static int jpeg_v4_0_hw_fini(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
cancel_delayed_work_sync(&adev->vcn.idle_work);
-
- if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
- RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS))
- jpeg_v4_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
-
+ if (!amdgpu_sriov_vf(adev)) {
+ if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
+ RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS))
+ jpeg_v4_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
+ }
amdgpu_irq_put(adev, &adev->jpeg.inst->irq, 0);
return 0;
@@ -390,6 +405,120 @@ static int jpeg_v4_0_start(struct amdgpu_device *adev)
return 0;
}
+static int jpeg_v4_0_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;
+ uint32_t init_status;
+
+ struct mmsch_v4_0_cmd_direct_write
+ direct_wt = { {0} };
+ struct mmsch_v4_0_cmd_end end = { {0} };
+ struct mmsch_v4_0_init_header header;
+
+ direct_wt.cmd_header.command_type =
+ MMSCH_COMMAND__DIRECT_REG_WRITE;
+ end.cmd_header.command_type =
+ MMSCH_COMMAND__END;
+
+ header.version = MMSCH_VERSION;
+ header.total_size = sizeof(struct mmsch_v4_0_init_header) >> 2;
+
+ header.jpegdec.init_status = 0;
+ header.jpegdec.table_offset = 0;
+ header.jpegdec.table_size = 0;
+
+ table_loc = (uint32_t *)table->cpu_addr;
+ table_loc += header.total_size;
+
+ table_size = 0;
+
+ ring = &adev->jpeg.inst->ring_dec;
+
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(JPEG, 0,
+ regUVD_LMI_JRBC_RB_64BIT_BAR_LOW),
+ lower_32_bits(ring->gpu_addr));
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(JPEG, 0,
+ regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH),
+ upper_32_bits(ring->gpu_addr));
+ MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(JPEG, 0,
+ regUVD_JRBC_RB_SIZE), ring->ring_size / 4);
+
+ /* add end packet */
+ MMSCH_V4_0_INSERT_END();
+
+ /* refine header */
+ header.jpegdec.init_status = 0;
+ header.jpegdec.table_offset = header.total_size;
+ header.jpegdec.table_size = table_size;
+ header.total_size += table_size;
+
+ /* Update init table header in memory */
+ size = sizeof(struct mmsch_v4_0_init_header);
+ table_loc = (uint32_t *)table->cpu_addr;
+ memcpy((void *)table_loc, &header, size);
+
+ /* message MMSCH (in VCN[0]) to initialize this client
+ * 1, write to mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
+ * of memory descriptor location
+ */
+ ctx_addr = table->gpu_addr;
+ WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr));
+ WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr));
+
+ /* 2, update vmid of descriptor */
+ tmp = RREG32_SOC15(VCN, 0, regMMSCH_VF_VMID);
+ tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
+ /* use domain0 for MM scheduler */
+ tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
+ WREG32_SOC15(VCN, 0, regMMSCH_VF_VMID, tmp);
+
+ /* 3, notify mmsch about the size of this descriptor */
+ size = header.total_size;
+ WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_SIZE, size);
+
+ /* 4, set resp to zero */
+ WREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_RESP, 0);
+
+ /* 5, kick off the initialization and wait until
+ * MMSCH_VF_MAILBOX_RESP becomes non-zero
+ */
+ param = 0x00000001;
+ WREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_HOST, param);
+ tmp = 0;
+ timeout = 1000;
+ resp = 0;
+ expected = MMSCH_VF_MAILBOX_RESP__OK;
+ init_status = ((struct mmsch_v4_0_init_header *)(table_loc))->jpegdec.init_status;
+ while (resp != expected) {
+ resp = RREG32_SOC15(VCN, 0, 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_v4_0_stop - stop JPEG block
*
@@ -513,6 +642,11 @@ static int jpeg_v4_0_set_powergating_state(void *handle,
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 17:32:54 +0000