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Use native 2x sampling only if h_total is below 1400

This commit is contained in:
marqs 2017-10-11 07:33:52 +03:00
parent 9d14cc776e
commit a0c0620022
1 changed files with 1 additions and 1 deletions
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2
software/sys_controller/tvp7002/video_modes.c
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@ -106,7 +106,7 @@ alt_8 get_mode_id(alt_u32 totlines, alt_u8 progressive, alt_u32 hz, video_type t
case MODE_L2:
cm.fpga_vmultmode = FPGA_V_MULTMODE_2X;
// Use native 2x sampling with low-res modes when possible to minimize jitter and generate min. 25MHz input pclk for FPGA PLL
if ((!cm.cc.vga_ilace_fix) && ((video_modes[i].group == GROUP_240P) || (video_modes[i].group == GROUP_384P) || (video_modes[i].group == GROUP_480I))) {
if ((!cm.cc.vga_ilace_fix) && (video_modes[i].h_total < 1400) && ((video_modes[i].group == GROUP_240P) || (video_modes[i].group == GROUP_384P) || (video_modes[i].group == GROUP_480I))) {
cm.fpga_hmultmode = FPGA_H_MULTMODE_OPTIMIZED;
cm.sample_mult = 2;
} else {