[v4,0/4] drm/rockchip: dw_hdmi: Add 4k@30 support

Message

Sascha Hauer Feb. 7, 2023, 8:44 a.m. UTC

Another round of these patches. Only change this time is the addition
of a patch to limit the resolutions to the ones supported by the VOP
driver which should resolve the regression reported by FUKAUMI Naoki.

Sascha

Changes since v3:
- Add patch to limit VOP resolutions to hardware capabilities

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 | 40 ++++++++++++++++-----
 drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 15 ++++++++
 drivers/gpu/drm/rockchip/rockchip_drm_vop.h |  2 ++
 drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 31 ++++++++++++++++
 4 files changed, 80 insertions(+), 8 deletions(-)