Re: [PATCH 22/25] media: venus: helpers, hfi, vdec: Set actual plane constraints to FW

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On 25/02/2021 08:00, Stanimir Varbanov wrote:


On 2/22/21 6:02 PM, Bryan O'Donoghue wrote:
From: Dikshita Agarwal <dikshita@xxxxxxxxxxxxxx>

Set actual plane alignments to FW with
HFI_PROPERTY_PARAM_UNCOMPRESSED_PLANE_ACTUAL_CONSTRAINTS_INFO to calculate
correct buffer size.

bod: Fixed fall-through error in pkt_session_set_property_6xx() switch

Signed-off-by: Dikshita Agarwal <dikshita@xxxxxxxxxxxxxx>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
---
  drivers/media/platform/qcom/venus/helpers.c  | 21 ++++++++++++++++++++
  drivers/media/platform/qcom/venus/helpers.h  |  1 +
  drivers/media/platform/qcom/venus/hfi_cmds.c | 13 ++++++++++++
  drivers/media/platform/qcom/venus/vdec.c     |  4 ++++
  4 files changed, 39 insertions(+)

diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
index f0413236a56f..49c52ef1084a 100644
--- a/drivers/media/platform/qcom/venus/helpers.c
+++ b/drivers/media/platform/qcom/venus/helpers.c
@@ -1113,6 +1113,27 @@ int venus_helper_set_work_mode(struct venus_inst *inst, u32 mode)
  }
  EXPORT_SYMBOL_GPL(venus_helper_set_work_mode);
+int venus_helper_set_format_constraints(struct venus_inst *inst)
+{
+	const u32 ptype = HFI_PROPERTY_PARAM_UNCOMPRESSED_PLANE_ACTUAL_CONSTRAINTS_INFO;
+	struct hfi_uncompressed_plane_actual_constraints_info pconstraint;
+
+	pconstraint.buffer_type = HFI_BUFFER_OUTPUT2;
+	pconstraint.num_planes = 2;
+	pconstraint.plane_format[0].stride_multiples = 128;
+	pconstraint.plane_format[0].max_stride = 8192;
+	pconstraint.plane_format[0].min_plane_buffer_height_multiple = 32;
+	pconstraint.plane_format[0].buffer_alignment = 256;
+
+	pconstraint.plane_format[1].stride_multiples = 128;
+	pconstraint.plane_format[1].max_stride = 8192;
+	pconstraint.plane_format[1].min_plane_buffer_height_multiple = 16;
+	pconstraint.plane_format[1].buffer_alignment = 256;
+
+	return hfi_session_set_property(inst, ptype, &pconstraint);

I wonder shouldn't we set this property for v6 only? Or mark this
property as not supported for v1 up to v4.  Otherwise, I would expect
regressions on the older v1 - v4.

BTW you're right, this breaks 1xx.



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