Hi Randy, On 21/2/20 0:48, Randy Dunlap wrote: > On 2/20/20 9:21 AM, Enric Balletbo i Serra wrote: >> From: Matthias Brugger <mbrugger@xxxxxxxx> >> >> The mmsys memory space is shared between the drm and the >> clk driver. Use regmap to access it. >> >> Signed-off-by: Matthias Brugger <mbrugger@xxxxxxxx> >> Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> >> Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx> >> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx> >> --- >> >> Changes in v8: None >> Changes in v7: >> - Add R-by from CK >> >> drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 4 +- >> drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 50 +++++++++++-------------- >> drivers/gpu/drm/mediatek/mtk_drm_ddp.h | 4 +- >> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 13 ++----- >> drivers/gpu/drm/mediatek/mtk_drm_drv.h | 2 +- >> 5 files changed, 30 insertions(+), 43 deletions(-) > > Hi. Just a quick question: > > Do you need to select REGMAP or one of its derivatives to make sure > that the proper interfaces are available for this driver? > Right, I will fix this in next version. > thanks. >