From: Leo Liu <leo....@amd.com>
Also reuse most of the VCN2.0 encode ring functions
Signed-off-by: Leo Liu <leo....@amd.com>
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 91 +++++++++++++++++++++++++++
1 file changed, 91 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index f16a4f682e26..b42f6769ae06 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -819,12 +819,103 @@ static const struct amdgpu_ring_funcs
vcn_v2_5_dec_ring_vm_funcs = {
.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
};
+/**
+ * vcn_v2_5_enc_ring_get_rptr - get enc read pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware enc read pointer
+ */
+static uint64_t vcn_v2_5_enc_ring_get_rptr(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ if (ring == &adev->vcn.ring_enc[0])
+ return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR);
+ else
+ return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2);
+}
+
+/**
+ * vcn_v2_5_enc_ring_get_wptr - get enc write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware enc write pointer
+ */
+static uint64_t vcn_v2_5_enc_ring_get_wptr(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ if (ring == &adev->vcn.ring_enc[0])
+ return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
+ else
+ return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
+}
+
+/**
+ * vcn_v2_5_enc_ring_set_wptr - set enc write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Commits the enc write pointer to the hardware
+ */
+static void vcn_v2_5_enc_ring_set_wptr(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ if (ring == &adev->vcn.ring_enc[0])
+ WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
+ else
+ WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
+}
+
+static const struct amdgpu_ring_funcs vcn_v2_5_enc_ring_vm_funcs = {
+ .type = AMDGPU_RING_TYPE_VCN_ENC,
+ .align_mask = 0x3f,
+ .nop = VCN_ENC_CMD_NO_OP,
+ .vmhub = AMDGPU_MMHUB_1,
+ .get_rptr = vcn_v2_5_enc_ring_get_rptr,
+ .get_wptr = vcn_v2_5_enc_ring_get_wptr,
+ .set_wptr = vcn_v2_5_enc_ring_set_wptr,
+ .emit_frame_size =
+ SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
+ SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
+ 4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
+ 5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
+ 1, /* vcn_v2_0_enc_ring_insert_end */
+ .emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
+ .emit_ib = vcn_v2_0_enc_ring_emit_ib,
+ .emit_fence = vcn_v2_0_enc_ring_emit_fence,
+ .emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
+ .test_ring = amdgpu_vcn_enc_ring_test_ring,
+ .test_ib = amdgpu_vcn_enc_ring_test_ib,
+ .insert_nop = amdgpu_ring_insert_nop,
+ .insert_end = vcn_v2_0_enc_ring_insert_end,
+ .pad_ib = amdgpu_ring_generic_pad_ib,
+ .begin_use = amdgpu_vcn_ring_begin_use,
+ .end_use = amdgpu_vcn_ring_end_use,
+ .emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
+ .emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
+ .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
+};
+
static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev)
{
adev->vcn.ring_dec.funcs = &vcn_v2_5_dec_ring_vm_funcs;
DRM_INFO("VCN decode is enabled in VM mode\n");
}
+static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev)
+{
+ int i;
+
+ for (i = 0; i < adev->vcn.num_enc_rings; ++i)
+ adev->vcn.ring_enc[i].funcs = &vcn_v2_5_enc_ring_vm_funcs;
+
+ DRM_INFO("VCN encode is enabled in VM mode\n");
+}
+
static bool vcn_v2_5_is_idle(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
--
2.20.1
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