[PATCH v5 0/4] drm/rockchip: dw_hdmi: Add 4k at 30 support

FUKAUMI Naoki naoki at radxa.com
Mon Feb 13 07:11:46 UTC 2023


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 at 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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