On 21/06/2020 16:18, Dennis YC Hsieh wrote: > Add clear parameter to let client decide if > event should be clear to 0 after GCE receive it. > > 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 7daaabc26eb1..a065b3a412cf 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c > @@ -488,7 +488,7 @@ static void mtk_drm_crtc_hw_config(struct mtk_drm_crtc *mtk_crtc) > if (mtk_crtc->cmdq_client) { > 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); This does not set CMDQ_WFE_UPDATE while the old code did. Is this a bug fix or a bug in the code? If it's a fix, please provide a fixes tag. Thanks, Matthias > 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 009f86ae72c6..13f78c9b5901 100644 > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > @@ -315,15 +315,16 @@ 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 3f6bc0dfd5da..42d2a30e6a70 100644 > --- a/include/linux/mailbox/mtk-cmdq-mailbox.h > +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h > @@ -27,8 +27,7 @@ > * 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 18364d81e8f7..4b5f5d154bad 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 > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel