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From 9769ffb595c46043ba3811102f734ac03d75e65c Mon Sep 17 00:00:00 2001
From: James Zhu <James.Zhu@amd.com>
Date: Fri, 29 Sep 2017 16:14:26 -0400
Subject: [PATCH 1948/4131] drm/amdgpu: add new uvd enc ring methods
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Add new UVD encode ring methods get/set/emit/flush/sync to support uvd6.3 HEVC encoding
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-and-Tested-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 117 ++++++++++++++++++++++++++++++++++
1 file changed, 117 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index 62cd16a..86f669c 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -62,6 +62,22 @@ static uint64_t uvd_v6_0_ring_get_rptr(struct amdgpu_ring *ring)
}
/**
+ * uvd_v6_0_enc_ring_get_rptr - get enc read pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware enc read pointer
+ */
+static uint64_t uvd_v6_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ if (ring == &adev->uvd.ring_enc[0])
+ return RREG32(mmUVD_RB_RPTR);
+ else
+ return RREG32(mmUVD_RB_RPTR2);
+}
+/**
* uvd_v6_0_ring_get_wptr - get write pointer
*
* @ring: amdgpu_ring pointer
@@ -76,6 +92,23 @@ static uint64_t uvd_v6_0_ring_get_wptr(struct amdgpu_ring *ring)
}
/**
+ * uvd_v6_0_enc_ring_get_wptr - get enc write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware enc write pointer
+ */
+static uint64_t uvd_v6_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ if (ring == &adev->uvd.ring_enc[0])
+ return RREG32(mmUVD_RB_WPTR);
+ else
+ return RREG32(mmUVD_RB_WPTR2);
+}
+
+/**
* uvd_v6_0_ring_set_wptr - set write pointer
*
* @ring: amdgpu_ring pointer
@@ -89,6 +122,25 @@ static void uvd_v6_0_ring_set_wptr(struct amdgpu_ring *ring)
WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
}
+/**
+ * uvd_v6_0_enc_ring_set_wptr - set enc write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Commits the enc write pointer to the hardware
+ */
+static void uvd_v6_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ if (ring == &adev->uvd.ring_enc[0])
+ WREG32(mmUVD_RB_WPTR,
+ lower_32_bits(ring->wptr));
+ else
+ WREG32(mmUVD_RB_WPTR2,
+ lower_32_bits(ring->wptr));
+}
+
static int uvd_v6_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -575,6 +627,26 @@ static void uvd_v6_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq
}
/**
+ * uvd_v6_0_enc_ring_emit_fence - emit an enc fence & trap command
+ *
+ * @ring: amdgpu_ring pointer
+ * @fence: fence to emit
+ *
+ * Write enc a fence and a trap command to the ring.
+ */
+static void uvd_v6_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
+ u64 seq, unsigned flags)
+{
+ WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
+
+ amdgpu_ring_write(ring, HEVC_ENC_CMD_FENCE);
+ amdgpu_ring_write(ring, addr);
+ amdgpu_ring_write(ring, upper_32_bits(addr));
+ amdgpu_ring_write(ring, seq);
+ amdgpu_ring_write(ring, HEVC_ENC_CMD_TRAP);
+}
+
+/**
* uvd_v6_0_ring_emit_hdp_flush - emit an hdp flush
*
* @ring: amdgpu_ring pointer
@@ -665,6 +737,24 @@ static void uvd_v6_0_ring_emit_ib(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, ib->length_dw);
}
+/**
+ * uvd_v6_0_enc_ring_emit_ib - enc execute indirect buffer
+ *
+ * @ring: amdgpu_ring pointer
+ * @ib: indirect buffer to execute
+ *
+ * Write enc ring commands to execute the indirect buffer
+ */
+static void uvd_v6_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
+ struct amdgpu_ib *ib, unsigned int vm_id, bool ctx_switch)
+{
+ amdgpu_ring_write(ring, HEVC_ENC_CMD_IB_VM);
+ amdgpu_ring_write(ring, vm_id);
+ amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
+ amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
+ amdgpu_ring_write(ring, ib->length_dw);
+}
+
static void uvd_v6_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
unsigned vm_id, uint64_t pd_addr)
{
@@ -716,6 +806,33 @@ static void uvd_v6_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
amdgpu_ring_write(ring, 0xE);
}
+static void uvd_v6_0_enc_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
+{
+ uint32_t seq = ring->fence_drv.sync_seq;
+ uint64_t addr = ring->fence_drv.gpu_addr;
+
+ amdgpu_ring_write(ring, HEVC_ENC_CMD_WAIT_GE);
+ amdgpu_ring_write(ring, lower_32_bits(addr));
+ amdgpu_ring_write(ring, upper_32_bits(addr));
+ amdgpu_ring_write(ring, seq);
+}
+
+static void uvd_v6_0_enc_ring_insert_end(struct amdgpu_ring *ring)
+{
+ amdgpu_ring_write(ring, HEVC_ENC_CMD_END);
+}
+
+static void uvd_v6_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
+ unsigned int vm_id, uint64_t pd_addr)
+{
+ amdgpu_ring_write(ring, HEVC_ENC_CMD_UPDATE_PTB);
+ amdgpu_ring_write(ring, vm_id);
+ amdgpu_ring_write(ring, pd_addr >> 12);
+
+ amdgpu_ring_write(ring, HEVC_ENC_CMD_FLUSH_TLB);
+ amdgpu_ring_write(ring, vm_id);
+}
+
static bool uvd_v6_0_is_idle(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
--
2.7.4
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