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Commit 7b39e847 authored by Shivendra Kakrania's avatar Shivendra Kakrania Committed by Gerrit - the friendly Code Review server
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msm: vidc: Update clock calculations for a video session 



Clock configurations are updated for a video session.
These configurations are needed to scale clocks optimally to
achieve best performance.

Change-Id: Ic335490d026645bf0a349fe70e02574b55ed594d
CRs-Fixed: 2181935
Signed-off-by: default avatarShivendra Kakrania <shiven@codeaurora.org>
parent fdd12c2c

drivers/media/platform/msm/vidc/msm_vidc_clocks.c

+7 −0
Original line number Original line Diff line number Diff line
@@ -567,6 +567,9 @@ static unsigned long msm_vidc_calc_freq(struct msm_vidc_inst *inst, 
			inst->clk_data.entry->vpp_cycles;

			inst->clk_data.entry->vpp_cycles;





		vpp_cycles = mbs_per_second * vpp_cycles_per_mb;

		vpp_cycles = mbs_per_second * vpp_cycles_per_mb;

		/* 21 / 20 is overhead factor */

		vpp_cycles = (vpp_cycles * 21)/

				(inst->clk_data.work_route * 20);





		vsp_cycles = mbs_per_second * inst->clk_data.entry->vsp_cycles;

		vsp_cycles = mbs_per_second * inst->clk_data.entry->vsp_cycles;
@@ -574,8 +577,12 @@ static unsigned long msm_vidc_calc_freq(struct msm_vidc_inst *inst, 
		vsp_cycles += (inst->clk_data.bitrate * 10) / 7;

		vsp_cycles += (inst->clk_data.bitrate * 10) / 7;

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

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

		vpp_cycles = mbs_per_second * inst->clk_data.entry->vpp_cycles;

		vpp_cycles = mbs_per_second * inst->clk_data.entry->vpp_cycles;

		/* 21 / 20 is overhead factor */

		vpp_cycles = (vpp_cycles * 21)/

				(inst->clk_data.work_route * 20);





		vsp_cycles = mbs_per_second * inst->clk_data.entry->vsp_cycles;

		vsp_cycles = mbs_per_second * inst->clk_data.entry->vsp_cycles;



		/* 10 / 7 is overhead factor */

		/* 10 / 7 is overhead factor */

		vsp_cycles += ((inst->prop.fps * filled_len * 8) * 10) / 7;

		vsp_cycles += ((inst->prop.fps * filled_len * 8) * 10) / 7;