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Commit 47e7f77b authored by George Shen's avatar George Shen
Browse files

msm: cvp: CVP power management enhancement for video use 



Session priority and new usage of operational fps in CVP
power management.

Change-Id: I6132a0b17f2095019de9aa31f1f358f63b6231ad
Signed-off-by: default avatarGeorge Shen <sqiao@codeaurora.org>
parent 6d464a5c

drivers/media/platform/msm/cvp/msm_cvp.c

+2 −0
Original line number Diff line number Diff line
@@ -987,6 +987,8 @@ static int adjust_bw_freqs(void) 


	core_sum = max_3(core_sum, ctlr_sum, fw_sum);

	op_core_max = max_3(op_core_max, op_ctlr_max, op_fw_max);

	op_core_max = (op_core_max > tbl[tbl_size - 1].clock_rate) ?

				tbl[tbl_size - 1].clock_rate : op_core_max;

	core_sum = (core_sum >= op_core_max) ? core_sum : op_core_max;



	if (core_sum < tbl[0].clock_rate) {

drivers/media/platform/msm/cvp/msm_cvp_core.c

+4 −4
Original line number Diff line number Diff line
@@ -91,9 +91,9 @@ int msm_cvp_est_cycles(struct cvp_kmd_usecase_desc *cvp_desc, 
				ds_pixel_read = ((cvp_desc->fullres_width

					* cvp_desc->fullres_height * 121)>>7);

			} else {

				/*w*h*1.5/2.38 = w*h*81/128*/

				/*w*h*1.5/1.61 = w*h*119/128*/

				ds_pixel_read = ((cvp_desc->fullres_width

					* cvp_desc->fullres_height * 81)>>7);

					* cvp_desc->fullres_height * 119)>>7);

			}

			break;

		}
@@ -105,9 +105,9 @@ int msm_cvp_est_cycles(struct cvp_kmd_usecase_desc *cvp_desc, 
				ds_pixel_read = ((cvp_desc->fullres_width

					* cvp_desc->fullres_height * 5)>>2);

			} else {

				/*w*h*1.33*1.5/2.38 = w*h*54/64*/

				/*w*h*1.33*1.5/1.61 = w*h*79/64*/

				ds_pixel_read = ((cvp_desc->fullres_width

					* cvp_desc->fullres_height * 54)>>6);

					* cvp_desc->fullres_height * 79)>>6);

			}

			break;

		}

include/media/msm_cvp_vidc.h

+3 −0
Original line number Diff line number Diff line
@@ -34,6 +34,9 @@ struct cvp_kmd_usecase_desc { 
	int reserved[16];

};



#define VIDEO_NONREALTIME 1

#define VIDEO_REALTIME 5



#ifdef CONFIG_MSM_CVP_V4L2

void *msm_cvp_open(int core_id, int session_type);

int msm_cvp_close(void *instance);