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msm: vidc: cvp session clock rate and bus bandwidth

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

Change-Id: Iba07b304b4258e817d2404e272eb2b52891f9994
Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>
This commit is contained in:
Maheshwar Ajja 2019-06-19 22:44:58 -07:00
parent 7c73b4c8b5
commit 935b2ecc22
2 changed files with 64 additions and 3 deletions
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65
msm/vidc/msm_cvp_external.c
View File

@ -205,6 +205,59 @@ error:
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;

2
msm/vidc/msm_cvp_external.h
View File

@ -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;