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msm: vidc: handle dynamic framerate or operating rate changes

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Update CVP driver clocks, buses and preprocess frame skip logic
if framerate or operating rate changed dynamically.

Change-Id: Iebed437a1d7e0e136ebf703db76528cbd102363c
Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>
This commit is contained in:
Maheshwar Ajja 2019-07-19 11:03:00 -07:00
commit f9c4430e8b
2 changed files with 37 additions and 13 deletions
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48
msm/vidc/msm_cvp_external.c
View file

@ -250,7 +250,6 @@ static int msm_cvp_set_clocks_and_bus(struct msm_vidc_inst *inst)
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__);
@ -262,16 +261,13 @@ static int msm_cvp_set_clocks_and_bus(struct msm_vidc_inst *inst)
memset(&power, 0, sizeof(struct cvp_kmd_request_power));
f = &inst->fmts[INPUT_PORT].v4l2_fmt;
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);
desc.fps = min(cvp->frame_rate >> 16, fps_max);
desc.op_rate = cvp->operating_rate >> 16;
desc.colorfmt = msm_comm_convert_color_fmt(f->fmt.pix_mp.pixelformat);
rc = msm_cvp_est_cycles(&desc, &power);
if (rc) {
@ -816,7 +812,7 @@ static int msm_cvp_frame_process(struct msm_vidc_inst *inst,
struct cvp_kmd_arg *arg;
struct msm_cvp_dme_frame_packet *frame;
const u32 fps_max = CVP_FRAME_RATE_MAX;
u32 fps, skip_framecount;
u32 fps, operating_rate, skip_framecount;
bool skipframe = false;
if (!inst || !inst->cvp || !inst->cvp->arg || !mbuf) {
@ -832,9 +828,34 @@ static int msm_cvp_frame_process(struct msm_vidc_inst *inst,
cvp->fullres_buffer.size = vb->planes[0].length;
cvp->fullres_buffer.offset = vb->planes[0].data_offset;
/* handle framerate or operarating rate changes dynamically */
if (cvp->frame_rate != inst->clk_data.frame_rate ||
cvp->operating_rate != inst->clk_data.operating_rate) {
/* update cvp parameters */
cvp->frame_rate = inst->clk_data.frame_rate;
cvp->operating_rate = inst->clk_data.operating_rate;
rc = msm_cvp_set_clocks_and_bus(inst);
if (rc) {
dprintk(VIDC_ERR,
"%s: unsupported dynamic changes %#x %#x\n",
__func__, cvp->frame_rate, cvp->operating_rate);
goto error;
}
}
/*
* Special handling for operating rate 0xFFFFFFFF,
* client's intention is not to skip cvp preprocess
* based on operating rate, skip logic can still be
* executed based on framerate though.
*/
if (cvp->operating_rate == 0xFFFFFFFF)
operating_rate = fps_max << 16;
else
operating_rate = cvp->operating_rate;
/* frame skip logic */
fps = max(inst->clk_data.operating_rate,
inst->clk_data.frame_rate) >> 16;
fps = max(cvp->frame_rate, operating_rate) >> 16;
if (fps > fps_max) {
/*
* fps <= 120: 0, 2, 4, 6 .. are not skipped
@ -842,9 +863,9 @@ static int msm_cvp_frame_process(struct msm_vidc_inst *inst,
* fps <= 240: 0, 4, 8, 12 .. are not skipped
* fps <= 960: 0, 16, 32, 48 .. are not skipped
*/
fps = ALIGN(fps, fps_max);
fps = roundup(fps, fps_max);
skip_framecount = fps / fps_max;
skipframe = !(cvp->framecount % skip_framecount);
skipframe = cvp->framecount % skip_framecount;
}
if (skipframe) {
print_cvp_buffer(VIDC_LOW, "input frame skipped",
@ -1037,6 +1058,8 @@ static int msm_vidc_cvp_init(struct msm_vidc_inst *inst)
f = &inst->fmts[INPUT_PORT].v4l2_fmt;
cvp->width = f->fmt.pix_mp.width;
cvp->height = f->fmt.pix_mp.height;
cvp->frame_rate = inst->clk_data.frame_rate;
cvp->operating_rate = inst->clk_data.operating_rate;
color_fmt = msm_comm_convert_color_fmt(f->fmt.pix_mp.pixelformat);
/* enable downscale always */
@ -1050,8 +1073,7 @@ static int msm_vidc_cvp_init(struct msm_vidc_inst *inst)
__func__, f->fmt.pix_mp.pixelformat,
cvp->width, cvp->height, cvp->downscale,
cvp->ds_width, cvp->ds_height,
inst->clk_data.frame_rate >> 16,
inst->clk_data.operating_rate >> 16);
cvp->frame_rate >> 16, cvp->operating_rate >> 16);
rc = msm_cvp_set_priority(inst);
if (rc)

2
msm/vidc/msm_cvp_external.h
View file

@ -172,6 +172,8 @@ struct msm_cvp_external {
u32 height;
u32 ds_width;
u32 ds_height;
u32 frame_rate;
u32 operating_rate;
bool downscale;
u32 framecount;
u32 buffer_idx;