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video: rockchip: mpp: vepu2: set clk_mode according to load

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Change-Id: I0f9a738061dc3f33e167c92dc48a754f13e92dd6
Signed-off-by: Ding Wei <leo.ding@rock-chips.com>
This commit is contained in:
Ding Wei
2020-07-15 15:37:21 +08:00
committed by Tao Huang
parent b65bd423d8
commit 58ae64b00c
1 changed files with 52 additions and 0 deletions
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52
drivers/video/rockchip/mpp/mpp_vepu2.c
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@@ -40,6 +40,8 @@
#define VEPU2_GET_FORMAT(x) (((x) >> 4) & 0x3)
#define VEPU2_FORMAT_MASK (0x30)
#define VEPU2_GET_WIDTH(x) (((x >> 8) & 0x1ff) << 4)
#define VEPU2_GET_HEIGHT(x) (((x >> 20) & 0x1ff) << 4)
#define VEPU2_FMT_RESERVED (0)
#define VEPU2_FMT_VP8E (1)
@@ -88,6 +90,10 @@ struct vepu_task {
struct mpp_request w_reqs[MPP_MAX_MSG_NUM];
u32 r_req_cnt;
struct mpp_request r_reqs[MPP_MAX_MSG_NUM];
/* image info */
u32 width;
u32 height;
u32 pixels;
};
struct vepu_dev {
@@ -95,6 +101,7 @@ struct vepu_dev {
struct mpp_clk_info aclk_info;
struct mpp_clk_info hclk_info;
u32 default_max_load;
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *procfs;
#endif
@@ -242,6 +249,11 @@ static void *vepu_alloc_task(struct mpp_session *session,
goto fail;
}
task->clk_mode = CLK_MODE_NORMAL;
/* get resolution info */
task->width = VEPU2_GET_WIDTH(task->reg[VEPU2_REG_ENC_EN_INDEX]);
task->height = VEPU2_GET_HEIGHT(task->reg[VEPU2_REG_ENC_EN_INDEX]);
task->pixels = task->width * task->height;
mpp_debug(DEBUG_TASK_INFO, "width=%d, height=%d\n", task->width, task->height);
mpp_debug_leave();
@@ -449,6 +461,9 @@ static int vepu_init(struct mpp_dev *mpp)
ret = mpp_get_clk_info(mpp, &enc->hclk_info, "hclk_vcodec");
if (ret)
mpp_err("failed on clk_get hclk_vcodec\n");
/* Get normal max workload from dtsi */
of_property_read_u32(mpp->dev->of_node,
"rockchip,default-max-load", &enc->default_max_load);
/* Set default rates */
mpp_set_clk_info_rate_hz(&enc->aclk_info, CLK_MODE_DEFAULT, 300 * MHZ);
@@ -489,6 +504,42 @@ static int vepu_clk_off(struct mpp_dev *mpp)
return 0;
}
static int vepu_get_freq(struct mpp_dev *mpp,
struct mpp_task *mpp_task)
{
u32 task_cnt;
u32 workload;
struct mpp_task *loop = NULL, *n;
struct vepu_dev *enc = to_vepu_dev(mpp);
struct vepu_task *task = to_vepu_task(mpp_task);
/* if not set max load, consider not have advanced mode */
if (!enc->default_max_load)
return 0;
task_cnt = 1;
workload = task->pixels;
/* calc workload in pending list */
mutex_lock(&mpp->queue->pending_lock);
list_for_each_entry_safe(loop, n,
&mpp->queue->pending_list,
queue_link) {
struct vepu_task *loop_task = to_vepu_task(loop);
task_cnt++;
workload += loop_task->pixels;
}
mutex_unlock(&mpp->queue->pending_lock);
if (workload > enc->default_max_load)
task->clk_mode = CLK_MODE_ADVANCED;
mpp_debug(DEBUG_TASK_INFO, "pending task %d, workload %d, clk_mode=%d\n",
task_cnt, workload, task->clk_mode);
return 0;
}
static int vepu_set_freq(struct mpp_dev *mpp,
struct mpp_task *mpp_task)
{
@@ -532,6 +583,7 @@ static struct mpp_hw_ops vepu_v2_hw_ops = {
.init = vepu_init,
.clk_on = vepu_clk_on,
.clk_off = vepu_clk_off,
.get_freq = vepu_get_freq,
.set_freq = vepu_set_freq,
.reduce_freq = vepu_reduce_freq,
.reset = vepu_reset,