libdrm-meson: modify vsync interval calculation [1/1]

PD#SWPL-197779

Problem:
vsync interval not correct for 59hz mode for LVDS connector.

Solution:
refine vsync interval calculation

Verify:
t5w

Change-Id: I7d356614e8989141409e1c0b1613f886936f974e
Signed-off-by: limin.tian <limin.tian@amlogic.com>
1 file changed
tree: 6c91bb6bddb35c898748635560a7acedda8a1898
  1. drm-setcrtc/
  2. drm-tests/
  3. meson/
  4. drm_fourcc.h
  5. Makefile
  6. meson_drm.h