From: James Zhu Date: Fri, 29 Sep 2017 20:14:26 +0000 (-0400) Subject: drm/amdgpu: add new uvd enc ring methods X-Git-Tag: v4.15-rc1~56^2~24^2~17 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=c0f2f2e66cfdfe8219592d2625dbf347eaf826d5;p=linux.git drm/amdgpu: add new uvd enc ring methods Add new UVD encode ring methods get/set/emit/flush/sync to support uvd6.3 HEVC encoding Signed-off-by: James Zhu Reviewed-and-Tested-by: Leo Liu Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index 31db356476f8..d6429157ffb6 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -61,6 +61,22 @@ static uint64_t uvd_v6_0_ring_get_rptr(struct amdgpu_ring *ring) return RREG32(mmUVD_RBC_RB_RPTR); } +/** + * 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 * @@ -75,6 +91,23 @@ static uint64_t uvd_v6_0_ring_get_wptr(struct amdgpu_ring *ring) return RREG32(mmUVD_RBC_RB_WPTR); } +/** + * 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 * @@ -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; @@ -576,6 +628,26 @@ static void uvd_v6_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq amdgpu_ring_write(ring, 2); } +/** + * 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 * @@ -667,6 +739,24 @@ 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) { @@ -718,6 +808,33 @@ 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;