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Commit 935b2ecc authored by Maheshwar Ajja's avatar Maheshwar Ajja
Browse files

msm: vidc: cvp session clock rate and bus bandwidth 



Based on session configuration parameters estimate
required cycles and set clock rate and bus bandwidth
to cvp session.

Change-Id: Iba07b304b4258e817d2404e272eb2b52891f9994
Signed-off-by: default avatarMaheshwar Ajja <majja@codeaurora.org>
parent 7c73b4c8

msm/vidc/msm_cvp_external.c

+62 −3
Original line number Diff line number Diff line
@@ -205,6 +205,59 @@ static int msm_cvp_allocate_buffer(struct msm_vidc_inst *inst, 
	return rc;

}



static int msm_cvp_set_clocks_and_bus(struct msm_vidc_inst *inst)

{

	int rc = 0;

	struct msm_cvp_external *cvp;

	struct cvp_kmd_arg *arg;

	struct cvp_kmd_usecase_desc desc;

	struct cvp_kmd_request_power power;

	const u32 fps_max = CVP_FRAME_RATE_MAX;

	u32 fps;



	if (!inst || !inst->cvp) {

		dprintk(VIDC_ERR, "%s: invalid params\n", __func__);

		return -EINVAL;

	}

	cvp = inst->cvp;

	arg = cvp->arg;

	memset(&desc, 0, sizeof(struct cvp_kmd_usecase_desc));

	memset(&power, 0, sizeof(struct cvp_kmd_request_power));



	fps = max(inst->clk_data.operating_rate,

			inst->clk_data.frame_rate) >> 16;



	desc.fullres_width = cvp->width;

	desc.fullres_height = cvp->height;

	desc.downscale_width = cvp->ds_width;

	desc.downscale_height = cvp->ds_height;

	desc.is_downscale = cvp->downscale;

	desc.fps = min(fps, fps_max);

	desc.op_rate = min(fps, fps_max);

	rc = msm_cvp_est_cycles(&desc, &power);

	if (rc) {

		dprintk(VIDC_ERR, "%s: estimate failed\n", __func__);

		return rc;

	}

	dprintk(VIDC_HIGH,

		"%s: core %d controller %d ddr bw %d\n",

		__func__, power.clock_cycles_a, power.clock_cycles_b,

		power.ddr_bw);



	memset(arg, 0, sizeof(struct cvp_kmd_arg));

	arg->type = CVP_KMD_REQUEST_POWER;

	memcpy(&arg->data.req_power, &power,

		sizeof(struct cvp_kmd_request_power));

	rc = msm_cvp_private(cvp->priv, CVP_KMD_REQUEST_POWER, arg);

	if (rc) {

		dprintk(VIDC_ERR,

			"%s: request_power failed with %d\n", __func__, rc);

		return rc;

	}



	return rc;

}



static int msm_cvp_init_downscale_resolution(struct msm_vidc_inst *inst)

{

	struct msm_cvp_external *cvp;
@@ -723,7 +776,7 @@ static int msm_cvp_frame_process(struct msm_vidc_inst *inst, 
	struct vb2_buffer *vb;

	struct cvp_kmd_arg *arg;

	struct msm_cvp_dme_frame_packet *frame;

	const u32 fps_max = 60;

	const u32 fps_max = CVP_FRAME_RATE_MAX;

	u32 fps, skip_framecount;

	bool skipframe = false;
@@ -954,10 +1007,16 @@ static int msm_vidc_cvp_init(struct msm_vidc_inst *inst) 
		goto error;



	dprintk(VIDC_HIGH,

		"%s: pixelformat %#x, wxh %dx%d downscale %d ds_wxh %dx%d\n",

		"%s: pixelformat %#x, wxh %dx%d downscale %d ds_wxh %dx%d fps %d op_rate %d\n",

		__func__, f->fmt.pix_mp.pixelformat,

		cvp->width, cvp->height, cvp->downscale,

		cvp->ds_width, cvp->ds_height);

		cvp->ds_width, cvp->ds_height,

		inst->clk_data.frame_rate >> 16,

		inst->clk_data.operating_rate >> 16);



	rc = msm_cvp_set_clocks_and_bus(inst);

	if (rc)

		goto error;



	memset(arg, 0, sizeof(struct cvp_kmd_arg));

	arg->type = CVP_KMD_SEND_CMD_PKT;

msm/vidc/msm_cvp_external.h

+2 −0
Original line number Diff line number Diff line
@@ -40,6 +40,8 @@ 
#define CVP_KMD_HFI_VERSION_PROP_TYPE           (1)

#define CVP_KMD_HFI_VERSION_PROP_NUMBER	        (1)



#define CVP_FRAME_RATE_MAX                      (60)



static inline bool is_vidc_cvp_enabled(struct msm_vidc_inst *inst)

{

	return !!inst->cvp;