[lkml]   [2020]   [Mar]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v11 5/5] soc / drm: mediatek: Fix mediatek-drm device probing

On 11/03/2020 12:56, Enric Balletbo i Serra wrote:
> In the actual implementation the same compatible string
> "mediatek,<chip>-mmsys" is used to bind the clock drivers
> (drivers/soc/mediatek) as well as to the gpu driver
> (drivers/gpu/drm/mediatek/mtk_drm_drv.c). This ends with the problem
> that the only probed driver is the clock driver and there is no display
> at all.
> In any case having the same compatible string for two drivers is not
> correct and should be fixed. To fix this, and maintain backward
> compatibility, we can consider that the mmsys driver is the top-level
> entry point for the multimedia subsystem, so is not a pure clock
> controller but a system controller, and the drm driver is instantiated
> by that MMSYS driver.
> Signed-off-by: Enric Balletbo i Serra <>
> Reviewed-by: CK Hu <>

Same here.

 \ /
  Last update: 2020-03-11 14:26    [W:0.095 / U:0.188 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site