From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stanimir Varbanov Subject: [PATCH 07/10] venus: helpers: add three more helper functions Date: Thu, 17 Jan 2019 18:20:05 +0200 Message-ID: <20190117162008.25217-8-stanimir.varbanov@linaro.org> References: <20190117162008.25217-1-stanimir.varbanov@linaro.org> Return-path: In-Reply-To: <20190117162008.25217-1-stanimir.varbanov@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: linux-media@vger.kernel.org Cc: Mauro Carvalho Chehab , Hans Verkuil , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Vikash Garodia , Tomasz Figa , Alexandre Courbot , Malathi Gottam , Stanimir Varbanov List-Id: linux-arm-msm@vger.kernel.org This adds three more helper functions: * for internal buffers reallocation, applicable when we are doing dynamic resolution change * for initial buffer processing of capture and output queue buffer types All of them will be needed for stateful Codec API support. Signed-off-by: Stanimir Varbanov --- drivers/media/platform/qcom/venus/helpers.c | 82 +++++++++++++++++++++ drivers/media/platform/qcom/venus/helpers.h | 2 + 2 files changed, 84 insertions(+) diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c index f33bbfea3576..637ce7b82d94 100644 --- a/drivers/media/platform/qcom/venus/helpers.c +++ b/drivers/media/platform/qcom/venus/helpers.c @@ -322,6 +322,52 @@ int venus_helper_intbufs_free(struct venus_inst *inst) } EXPORT_SYMBOL_GPL(venus_helper_intbufs_free); +int venus_helper_intbufs_realloc(struct venus_inst *inst) +{ + enum hfi_version ver = inst->core->res->hfi_version; + struct hfi_buffer_desc bd; + struct intbuf *buf, *n; + int ret; + + list_for_each_entry_safe(buf, n, &inst->internalbufs, list) { + if (buf->type == HFI_BUFFER_INTERNAL_PERSIST || + buf->type == HFI_BUFFER_INTERNAL_PERSIST_1) + continue; + + memset(&bd, 0, sizeof(bd)); + bd.buffer_size = buf->size; + bd.buffer_type = buf->type; + bd.num_buffers = 1; + bd.device_addr = buf->da; + bd.response_required = true; + + ret = hfi_session_unset_buffers(inst, &bd); + + dma_free_attrs(inst->core->dev, buf->size, buf->va, buf->da, + buf->attrs); + + list_del_init(&buf->list); + kfree(buf); + } + + ret = intbufs_set_buffer(inst, HFI_BUFFER_INTERNAL_SCRATCH(ver)); + if (ret) + goto err; + + ret = intbufs_set_buffer(inst, HFI_BUFFER_INTERNAL_SCRATCH_1(ver)); + if (ret) + goto err; + + ret = intbufs_set_buffer(inst, HFI_BUFFER_INTERNAL_SCRATCH_2(ver)); + if (ret) + goto err; + + return 0; +err: + return ret; +} +EXPORT_SYMBOL_GPL(venus_helper_intbufs_realloc); + static u32 load_per_instance(struct venus_inst *inst) { u32 mbs; @@ -1050,6 +1096,42 @@ void venus_helper_vb2_stop_streaming(struct vb2_queue *q) } EXPORT_SYMBOL_GPL(venus_helper_vb2_stop_streaming); +int venus_helper_process_initial_cap_bufs(struct venus_inst *inst) +{ + struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx; + struct v4l2_m2m_buffer *buf, *n; + int ret; + + v4l2_m2m_for_each_dst_buf_safe(m2m_ctx, buf, n) { + ret = session_process_buf(inst, &buf->vb); + if (ret) { + return_buf_error(inst, &buf->vb); + return ret; + } + } + + return 0; +} +EXPORT_SYMBOL_GPL(venus_helper_process_initial_cap_bufs); + +int venus_helper_process_initial_out_bufs(struct venus_inst *inst) +{ + struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx; + struct v4l2_m2m_buffer *buf, *n; + int ret; + + v4l2_m2m_for_each_src_buf_safe(m2m_ctx, buf, n) { + ret = session_process_buf(inst, &buf->vb); + if (ret) { + return_buf_error(inst, &buf->vb); + return ret; + } + } + + return 0; +} +EXPORT_SYMBOL_GPL(venus_helper_process_initial_out_bufs); + int venus_helper_vb2_start_streaming(struct venus_inst *inst) { struct venus_core *core = inst->core; diff --git a/drivers/media/platform/qcom/venus/helpers.h b/drivers/media/platform/qcom/venus/helpers.h index 24faae5abd93..2ec1c1a8b416 100644 --- a/drivers/media/platform/qcom/venus/helpers.h +++ b/drivers/media/platform/qcom/venus/helpers.h @@ -69,4 +69,6 @@ int venus_helper_intbufs_realloc(struct venus_inst *inst); int venus_helper_queue_dpb_bufs(struct venus_inst *inst); int venus_helper_unregister_bufs(struct venus_inst *inst); int venus_helper_load_scale_clocks(struct venus_core *core); +int venus_helper_process_initial_cap_bufs(struct venus_inst *inst); +int venus_helper_process_initial_out_bufs(struct venus_inst *inst); #endif -- 2.17.1