> Wiadomość napisana przez Andy Yan <andyshrk@xxxxxxx> w dniu 6 mar 2025, o godz. 09:53: > > > Hi, > > 在 2025-03-06 16:42:00，"Piotr Oniszczuk" <piotr.oniszczuk@xxxxxxxxx> 写道： >> >> >>> Wiadomość napisana przez Andy Yan <andyshrk@xxxxxxx> w dniu 6 mar 2025, o godz. 01:59: >>> >>> >>> >>> >>> Both of the two config options should be enabled. >>> andy@Pro480:~/WorkSpace/linux-next$ rg DW_DP .config >>> 4044:CONFIG_ROCKCHIP_DW_DP=y >> >> here i’m a bit lost…. >> greping on full kernel sources (with applied https://patchwork.kernel.org/project/linux-rockchip/list/?series=936784) gives me no single appearance of ROCKCHIP_DW_DP… >> Do i miss something? > > see PATCH 3/6: > > > diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig > index 26c4410b2407..c8638baf9641 100644 > --- a/drivers/gpu/drm/rockchip/Kconfig > +++ b/drivers/gpu/drm/rockchip/Kconfig > @@ -8,6 +8,7 @@ config DRM_ROCKCHIP > select DRM_PANEL > select VIDEOMODE_HELPERS > select DRM_ANALOGIX_DP if ROCKCHIP_ANALOGIX_DP > + select DRM_DW_DP if ROCKCHIP_DW_DP > select DRM_DW_HDMI if ROCKCHIP_DW_HDMI > select DRM_DW_HDMI_QP if ROCKCHIP_DW_HDMI_QP > select DRM_DW_MIPI_DSI if ROCKCHIP_DW_MIPI_DSI > @@ -58,6 +59,12 @@ config ROCKCHIP_CDN_DP > RK3399 based SoC, you should select this > option. > > +config ROCKCHIP_DW_DP > + bool "Rockchip specific extensions for Synopsys DW DP" > + help > + Choose this option for Synopsys DesignWare Cores DisplayPort > + transmit controller support on Rockchip SoC. > > https://lore.kernel.org/linux-rockchip/047EECFC-7E55-44EC-896F-13FE04333E4D@xxxxxxxxx/T/#m178a325ea0ebc64187aae474d77c3f7a9e0bc93d >> Ah my bad! One patch patch was commented - so not all dp code was applied. Now it is much better: root@myth-frontend-56b0f018b5e0:~ # dmesg | grep drm [ 9.795380] panthor fb000000.gpu: [drm] clock rate = 198000000 [ 9.796257] panthor fb000000.gpu: [drm] mali-g610 id 0xa867 major 0x0 minor 0x0 status 0x5 [ 9.796262] panthor fb000000.gpu: [drm] Features: L2:0x7120306 Tiler:0x809 Mem:0x301 MMU:0x2830 AS:0xff [ 9.796265] panthor fb000000.gpu: [drm] shader_present=0x50005 l2_present=0x1 tiler_present=0x1 [ 9.851869] panthor fb000000.gpu: [drm] Firmware protected mode entry not be supported, ignoring [ 9.851921] panthor fb000000.gpu: [drm] Firmware git sha: 814b47b551159067b67a37c4e9adda458ad9d852 [ 9.852127] panthor fb000000.gpu: [drm] CSF FW using interface v1.1.0, Features 0x0 Instrumentation features 0x71 [ 9.852436] [drm] Initialized panthor 1.3.0 for fb000000.gpu on minor 0 [ 10.003108] rockchip-drm display-subsystem: bound fdd90000.vop (ops vop2_component_ops) [ 10.004705] rockchip-drm display-subsystem: bound fde60000.dp (ops dw_dp_rockchip_component_ops) [ 10.006085] rockchip-drm display-subsystem: bound fdea0000.hdmi (ops dw_hdmi_qp_rockchip_ops) [ 10.006679] [drm] Initialized rockchip 1.0.0 for display-subsystem on minor 1 [ 10.006737] rockchip-drm display-subsystem: [drm] Cannot find any crtc or sizes [ 10.007663] rockchip-drm display-subsystem: [drm] Cannot find any crtc or sizes Unfortunately still nothing on screen dri state: https://gist.github.com/warpme/5e971dfd2e9fd52fae76641831cebe46 and kernel dmesg https://termbin.com/r0m3 i’m not sure what is missing (some dts enablement or….)
