| Message ID | 1583233125-7827-13-git-send-email-dennis-yc.hsieh@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | support gce on mt6779 platform | expand |
Hi, Dennis: On Tue, 2020-03-03 at 18:58 +0800, 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@mediatek.com> > --- > 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..4916a7f75d23 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, true); There is always clear event before wait event, so there is no need to clear event after event is waited. So this should be cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event, false); Regards, CK > 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 f27c67034880..4f767198d0fc 100644 > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > @@ -295,15 +295,16 @@ int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, > } > EXPORT_SYMBOL(cmdq_pkt_write_s_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 1a6c56f3bec1..d63749440697 100644 > --- a/include/linux/soc/mediatek/mtk-cmdq.h > +++ b/include/linux/soc/mediatek/mtk-cmdq.h > @@ -152,11 +152,12 @@ int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u16 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
Hi CK, Thanks for your comment. On Wed, 2020-03-04 at 11:05 +0800, CK Hu wrote: > Hi, Dennis: > > On Tue, 2020-03-03 at 18:58 +0800, 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@mediatek.com> > > --- > > 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..4916a7f75d23 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, true); > > There is always clear event before wait event, so there is no need to > clear event after event is waited. So this should be > > cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event, false); Ok, will fix in next version, thanks. Regards, Dennis > > Regards, > CK > > > 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 f27c67034880..4f767198d0fc 100644 > > --- a/drivers/soc/mediatek/mtk-cmdq-helper.c > > +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c > > @@ -295,15 +295,16 @@ int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, > > } > > EXPORT_SYMBOL(cmdq_pkt_write_s_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 1a6c56f3bec1..d63749440697 100644 > > --- a/include/linux/soc/mediatek/mtk-cmdq.h > > +++ b/include/linux/soc/mediatek/mtk-cmdq.h > > @@ -152,11 +152,12 @@ int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u16 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 > >
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 7daaabc26eb1..4916a7f75d23 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, true); 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 f27c67034880..4f767198d0fc 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -295,15 +295,16 @@ int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u16 high_addr_reg_idx, } EXPORT_SYMBOL(cmdq_pkt_write_s_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 1a6c56f3bec1..d63749440697 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -152,11 +152,12 @@ int cmdq_pkt_write_s_value(struct cmdq_pkt *pkt, u16 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
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@mediatek.com> --- 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(-)