Hi CK, Thanks for your comment. On Tue, 2020-07-07 at 07:46 +0800, Chun-Kuang Hu wrote: > Hi, Dennis: > > Dennis YC Hsieh <dennis-yc.hsieh@xxxxxxxxxxxx> 於 2020年7月6日 週一 下午3:20寫道: > > > > Add clear parameter to let client decide if > > event should be clear to 0 after GCE receive it. > > > > Fixes: 2f965be7f9008 ("drm/mediatek: apply CMDQ control flow") > > I think this patch include two things, one is bug fix, another is > changing interface. > below is the bug fix part. > > -#define CMDQ_WFE_OPTION (CMDQ_WFE_UPDATE | > CMDQ_WFE_WAIT | \ > - CMDQ_WFE_WAIT_VALUE) > +#define CMDQ_WFE_OPTION (CMDQ_WFE_WAIT | > CMDQ_WFE_WAIT_VALUE) > > the other is changing interface part. So this patch should be broken > into two patches. ok I'll break into two patches Regards, Dennis > > Regards, > Chun-Kuang. > > > Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@xxxxxxxxxxxx> > > Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx> > > --- > > drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 2 +- > > drivers/soc/mediatek/mtk-cmdq-helper.c | 5 +++-- > > include/linux/mailbox/mtk-cmdq-mailbox.h | 3 +-- > > include/linux/soc/mediatek/mtk-cmdq.h | 5 +++-- > > 4 files changed, 8 insertions(+), 7 deletions(-) > > > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > > index ec6c9ffbf35e..ba6cf956b239 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > > +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > > @@ -490,7 +490,7 @@ static void mtk_drm_crtc_hw_config(struct mtk_drm_crtc *mtk_crtc) > > mbox_flush(mtk_crtc->cmdq_client->chan, 2000); > > cmdq_handle = cmdq_pkt_create(mtk_crtc->cmdq_client, PAGE_SIZE); > > cmdq_pkt_clear_event(cmdq_handle, mtk_crtc->cmdq_event); > > - cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event); > > + cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event, false); > > mtk_crtc_ddp_config(crtc, cmdq_handle); > > cmdq_pkt_finalize(cmdq_handle); > > cmdq_pkt_flush_async(cmdq_handle, ddp_cmdq_cb, cmdq_handle); > > diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c > > index d55dc3296105..505651b0d715 100644 > > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > > @@ -316,15 +316,16 @@ int cmdq_pkt_write_s_mask_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx, > > } > > EXPORT_SYMBOL(cmdq_pkt_write_s_mask_value); > > > > -int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event) > > +int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event, bool clear) > > { > > struct cmdq_instruction inst = { {0} }; > > + u32 clear_option = clear ? CMDQ_WFE_UPDATE : 0; > > > > if (event >= CMDQ_MAX_EVENT) > > return -EINVAL; > > > > inst.op = CMDQ_CODE_WFE; > > - inst.value = CMDQ_WFE_OPTION; > > + inst.value = CMDQ_WFE_OPTION | clear_option; > > inst.event = event; > > > > return cmdq_pkt_append_command(pkt, inst); > > diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h > > index efbd8a9eb2d1..d5a983d65f05 100644 > > --- a/include/linux/mailbox/mtk-cmdq-mailbox.h > > +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h > > @@ -28,8 +28,7 @@ > > * bit 16-27: update value > > * bit 31: 1 - update, 0 - no update > > */ > > -#define CMDQ_WFE_OPTION (CMDQ_WFE_UPDATE | CMDQ_WFE_WAIT | \ > > - CMDQ_WFE_WAIT_VALUE) > > +#define CMDQ_WFE_OPTION (CMDQ_WFE_WAIT | CMDQ_WFE_WAIT_VALUE) > > > > /** cmdq event maximum */ > > #define CMDQ_MAX_EVENT 0x3ff > > diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h > > index 34354e952f60..960704d75994 100644 > > --- a/include/linux/soc/mediatek/mtk-cmdq.h > > +++ b/include/linux/soc/mediatek/mtk-cmdq.h > > @@ -182,11 +182,12 @@ int cmdq_pkt_write_s_mask_value(struct cmdq_pkt *pkt, u8 high_addr_reg_idx, > > /** > > * cmdq_pkt_wfe() - append wait for event command to the CMDQ packet > > * @pkt: the CMDQ packet > > - * @event: the desired event type to "wait and CLEAR" > > + * @event: the desired event type to wait > > + * @clear: clear event or not after event arrive > > * > > * Return: 0 for success; else the error code is returned > > */ > > -int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event); > > +int cmdq_pkt_wfe(struct cmdq_pkt *pkt, u16 event, bool clear); > > > > /** > > * cmdq_pkt_clear_event() - append clear event command to the CMDQ packet > > -- > > 1.7.9.5 > > _______________________________________________ > > dri-devel mailing list > > dri-devel@xxxxxxxxxxxxxxxxxxxxx > > https://urldefense.com/v3/__https://lists.freedesktop.org/mailman/listinfo/dri-devel__;!!CTRNKA9wMg0ARbw!wn0KPiYaGJxfZ3Os2LeavuvBXth3HUejn1sNhi8_WnVgR_jTyfmLgo_kBbGHpTF0UqoDQQ$ _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel