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Commit d64baed2 authored by Chinmay Sawarkar's avatar Chinmay Sawarkar Committed by Gerrit - the friendly Code Review server
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msm: vidc: Use input bitrate to calculate decoder bus vote 



By calculating bitrate at each frame, we get a better estimate
of the BW requirements of the decode session. Thus improving
performance and power usage.

CRs-Fixed: 2451137
Change-Id: I22f0029bbb7d501340469a317e89de7eb34717c4
Signed-off-by: default avatarChinmay Sawarkar <chinmays@codeaurora.org>
parent 05f2237d

msm/vidc/msm_vidc_bus_iris2.c

+1 −1
Original line number Diff line number Diff line
@@ -134,7 +134,7 @@ static unsigned long __calculate_decoder(struct vidc_bus_vote_data *d, 
	lcu_per_frame = DIV_ROUND_UP(width, lcu_size) *

		DIV_ROUND_UP(height, lcu_size);



	bitrate = __lut(width, height, fps)->bitrate;

	bitrate = (d->bitrate + 1000000 - 1) / 1000000;



	bins_to_bit_factor = FP_INT(4);

msm/vidc/msm_vidc_clocks.c

+3 −0
Original line number Diff line number Diff line
@@ -344,6 +344,9 @@ int msm_comm_vote_bus(struct msm_vidc_core *core) 
				(inst->clk_data.frame_rate >> 16) *

				vote_data[i].fps;

			}

		} else if (inst->session_type == MSM_VIDC_DECODER) {

			vote_data[i].bitrate =

				filled_len * vote_data[i].fps * 8;

		}



		vote_data[i].power_mode = 0;