hi,

on my rk3399 boards(ROCK Pi 4B+ and ROCK 4C+), fb0 is configured as 1920x1080, and nothing is displayed... "no signal" on display.

--
FUKAUMI Naoki

On 2/8/23 18:08, Sascha Hauer wrote:
Some more small changes to this series, see changelog.

Sascha

Changes since v4:
- Use struct vop_reg to store resolutions
- Only check for valid clock rates when clock != NULL

Changes since v3
- Add patch to limit VOP resolutions to hardware capabilitie

Changes since v2:
- Use correct register values for mpll_cfg
- Add patch to discard modes we cannot achieve

Changes since v1:
- Allow non standard clock rates only on Synopsys phy as suggested by
   Robin Murphy

Sascha Hauer (4):
   drm/rockchip: vop: limit maximium resolution to hardware capabilities
   drm/rockchip: dw_hdmi: relax mode_valid hook
   drm/rockchip: dw_hdmi: Add support for 4k@30 resolution
   drm/rockchip: dw_hdmi: discard modes with unachievable pixelclocks

  drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c  | 41 ++++++++++++++++----
  drivers/gpu/drm/rockchip/rockchip_drm_vop.c  | 15 +++++++
  drivers/gpu/drm/rockchip/rockchip_drm_vop.h  |  6 +++
  drivers/gpu/drm/rockchip/rockchip_drm_vop2.h |  5 ---
  drivers/gpu/drm/rockchip/rockchip_vop_reg.c  | 18 +++++++++
  5 files changed, 73 insertions(+), 12 deletions(-)

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