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vpp: adjust the max process height by checking vpu clk

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PD#163431: vpp: adjust the max process height by checking vpu clk

Change-Id: Ic7c264d9b287839a457b0cd4e2f090b459739a80
Signed-off-by: Brian Zhu <brian.zhu@amlogic.com>
This commit is contained in:
Brian Zhu
2018-04-06 22:15:16 +08:00
committed by Yixun Lan
parent 05c2000c14
commit 8a2d6653cd
1 changed files with 24 additions and 2 deletions
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26
drivers/amlogic/media/video_sink/vpp.c
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@@ -584,6 +584,15 @@ calculate_non_linear_ratio(unsigned int middle_ratio,
* (1.25 * 3840 / 1920) for 1080p mode.
*/
#define MIN_RATIO_1000 1250
unsigned int min_skip_ratio = MIN_RATIO_1000;
MODULE_PARM_DESC(min_skip_ratio, "min_skip_ratio");
module_param(min_skip_ratio, uint, 0664);
unsigned int max_proc_height = 2160;
MODULE_PARM_DESC(max_proc_height, "max_proc_height");
module_param(max_proc_height, uint, 0664);
unsigned int cur_proc_height;
MODULE_PARM_DESC(cur_proc_height, "cur_proc_height");
module_param(cur_proc_height, uint, 0444);
unsigned int cur_skip_ratio;
MODULE_PARM_DESC(cur_skip_ratio, "cur_skip_ratio");
module_param(cur_skip_ratio, uint, 0444);
@@ -622,6 +631,7 @@ vpp_process_speed_check(s32 width_in,
u32 vtotal, htotal = 0, clk_in_pps = 0, clk_vpu = 0, clk_temp;
u32 input_time_us = 0, display_time_us = 0, dummy_time_us = 0;
u32 width_out = 0;
u32 vpu_clk = 0, max_height = 2160; /* 4k mode */
if (vf)
cur_vf_type = vf->type;
@@ -639,8 +649,20 @@ vpp_process_speed_check(s32 width_in,
clk_in_pps = get_vpu_clk();
}
vpu_clk = get_vpu_clk();
/* the output is only up to 1080p */
if (vpu_clk <= 250000000) {
/* ((3840 * 2160) / 1920) * (vpu_clk / 1000000) / 666 */
max_height = 4320 * (vpu_clk / 1000000) / 666;
}
if (max_proc_height < max_height)
max_height = max_proc_height;
cur_proc_height = max_height;
if (vf->width > 720)
min_ratio_1000 = MIN_RATIO_1000;
min_ratio_1000 = min_skip_ratio;
else
min_ratio_1000 = 1750;
@@ -694,7 +716,7 @@ vpp_process_speed_check(s32 width_in,
cur_ratio = div_u64((u64)height_in *
(u64)vinfo->height *
1000,
height_out * 2160);
height_out * max_height);
/* di process first, need more a bit of ratio */
if (vf->type & VIDTYPE_PRE_INTERLACE)
cur_ratio = (cur_ratio * 105) / 100;