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Commit 31f9744a authored by Dikshita Agarwal's avatar Dikshita Agarwal
Browse files

msm: vidc: update calculation for BSE LB write for decoder 



For h264 BSE LB write should be half of BSE LB read for decoder.
Update the calculation for the same.

Change-Id: I5ebceff4fa0795eaaf67b569e754d174be4a8146
Signed-off-by: default avatarDikshita Agarwal <dikshita@codeaurora.org>
parent fcad90b1

msm/vidc/msm_vidc_bus_iris2.c

+11 −1
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ static unsigned long __calculate_decoder(struct vidc_bus_vote_data *d) 
	/* Derived parameters */

	int lcu_per_frame, collocated_bytes_per_lcu, tnbr_per_lcu;

	unsigned long bitrate;

	unsigned int num_vpp_pipes;



	fp_t bins_to_bit_factor, vsp_read_factor, vsp_write_factor,

		dpb_factor, dpb_write_factor, y_bw_no_ubwc_8bpp;
@@ -83,6 +84,8 @@ static unsigned long __calculate_decoder(struct vidc_bus_vote_data *d) 
	opb_write_compression_factor = opb_compression_enabled ?

		dpb_write_compression_factor : FP_ONE;



	num_vpp_pipes = d->num_vpp_pipes;



	if (d->codec == HAL_VIDEO_CODEC_HEVC ||

		d->codec == HAL_VIDEO_CODEC_VP9) {

		/* H264, VP8, MPEG2 use the same settings */
@@ -163,6 +166,13 @@ static unsigned long __calculate_decoder(struct vidc_bus_vote_data *d) 
	ddr.line_buffer_read =

		fp_div(FP_INT(tnbr_per_lcu * lcu_per_frame * fps),

			FP_INT(bps(1)));

	/* This change is applicable for all IRIS2 targets,

	 * but currently being done for IRIS2 with 2 pipes

	 * only due to timeline constraints.

	 */

	if((num_vpp_pipes == 2) && (is_h264_category))

		ddr.line_buffer_write = fp_div(ddr.line_buffer_read,FP_INT(2));

	else

		ddr.line_buffer_write = ddr.line_buffer_read;

	if (llc_top_line_buf_enabled) {

		llc.line_buffer_read = ddr.line_buffer_read;

msm/vidc/msm_vidc_clocks.c

+3 −0
Original line number Diff line number Diff line
@@ -456,6 +456,9 @@ int msm_comm_vote_bus(struct msm_vidc_inst *inst) 
		if (core->resources.sys_cache_res_set)

			vote_data->use_sys_cache = true;



		vote_data->num_vpp_pipes =

			inst->core->platform_data->num_vpp_pipes;



		call_core_op(core, calc_bw, vote_data);

	}

msm/vidc/msm_vidc_internal.h

+1 −0
Original line number Diff line number Diff line
@@ -427,6 +427,7 @@ struct vidc_bus_vote_data { 
	bool b_frames_enabled;

	unsigned long calc_bw_ddr;

	unsigned long calc_bw_llcc;

	u32 num_vpp_pipes;

};



struct profile_data {