Export finalize function to client which helps append eoc and jump
command to pkt. Let client decide call finalize or not.
Signed-off-by: Dennis YC Hsieh <[email protected]>
---
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 1 +
drivers/soc/mediatek/mtk-cmdq-helper.c | 7 ++-----
include/linux/soc/mediatek/mtk-cmdq.h | 8 ++++++++
3 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 0dfcd1787e65..7daaabc26eb1 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -490,6 +490,7 @@ static void mtk_drm_crtc_hw_config(struct mtk_drm_crtc *mtk_crtc)
cmdq_pkt_clear_event(cmdq_handle, mtk_crtc->cmdq_event);
cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event);
mtk_crtc_ddp_config(crtc, cmdq_handle);
+ cmdq_pkt_finalize(cmdq_handle);
cmdq_pkt_flush_async(cmdq_handle, ddp_cmdq_cb, cmdq_handle);
}
#endif
diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
index a9ebbabb7439..59bc1164b411 100644
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
@@ -372,7 +372,7 @@ int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value)
}
EXPORT_SYMBOL(cmdq_pkt_assign);
-static int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
+int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
{
struct cmdq_instruction inst = { {0} };
int err;
@@ -392,6 +392,7 @@ static int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
return err;
}
+EXPORT_SYMBOL(cmdq_pkt_finalize);
static void cmdq_pkt_flush_async_cb(struct cmdq_cb_data data)
{
@@ -426,10 +427,6 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb,
unsigned long flags = 0;
struct cmdq_client *client = (struct cmdq_client *)pkt->cl;
- err = cmdq_pkt_finalize(pkt);
- if (err < 0)
- return err;
-
pkt->cb.cb = cb;
pkt->cb.data = data;
pkt->async_cb.cb = cmdq_pkt_flush_async_cb;
diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h
index fec292aac83c..99e77155f967 100644
--- a/include/linux/soc/mediatek/mtk-cmdq.h
+++ b/include/linux/soc/mediatek/mtk-cmdq.h
@@ -213,6 +213,14 @@ int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys,
*/
int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value);
+/**
+ * cmdq_pkt_finalize() - Append EOC and jump command to pkt.
+ * @pkt: the CMDQ packet
+ *
+ * Return: 0 for success; else the error code is returned
+ */
+int cmdq_pkt_finalize(struct cmdq_pkt *pkt);
+
/**
* cmdq_pkt_flush_async() - trigger CMDQ to asynchronously execute the CMDQ
* packet and call back at the end of done packet
--
2.18.0
Hi, Dennis:
On Tue, 2020-03-03 at 18:58 +0800, Dennis YC Hsieh wrote:
> Export finalize function to client which helps append eoc and jump
> command to pkt. Let client decide call finalize or not.
>
Reviewed-by: CK Hu <[email protected]>
> Signed-off-by: Dennis YC Hsieh <[email protected]>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 1 +
> drivers/soc/mediatek/mtk-cmdq-helper.c | 7 ++-----
> include/linux/soc/mediatek/mtk-cmdq.h | 8 ++++++++
> 3 files changed, 11 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> index 0dfcd1787e65..7daaabc26eb1 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> @@ -490,6 +490,7 @@ static void mtk_drm_crtc_hw_config(struct mtk_drm_crtc *mtk_crtc)
> cmdq_pkt_clear_event(cmdq_handle, mtk_crtc->cmdq_event);
> cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event);
> mtk_crtc_ddp_config(crtc, cmdq_handle);
> + cmdq_pkt_finalize(cmdq_handle);
> cmdq_pkt_flush_async(cmdq_handle, ddp_cmdq_cb, cmdq_handle);
> }
> #endif
> diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
> index a9ebbabb7439..59bc1164b411 100644
> --- a/drivers/soc/mediatek/mtk-cmdq-helper.c
> +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
> @@ -372,7 +372,7 @@ int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value)
> }
> EXPORT_SYMBOL(cmdq_pkt_assign);
>
> -static int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
> +int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
> {
> struct cmdq_instruction inst = { {0} };
> int err;
> @@ -392,6 +392,7 @@ static int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
>
> return err;
> }
> +EXPORT_SYMBOL(cmdq_pkt_finalize);
>
> static void cmdq_pkt_flush_async_cb(struct cmdq_cb_data data)
> {
> @@ -426,10 +427,6 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb,
> unsigned long flags = 0;
> struct cmdq_client *client = (struct cmdq_client *)pkt->cl;
>
> - err = cmdq_pkt_finalize(pkt);
> - if (err < 0)
> - return err;
> -
> pkt->cb.cb = cb;
> pkt->cb.data = data;
> pkt->async_cb.cb = cmdq_pkt_flush_async_cb;
> diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h
> index fec292aac83c..99e77155f967 100644
> --- a/include/linux/soc/mediatek/mtk-cmdq.h
> +++ b/include/linux/soc/mediatek/mtk-cmdq.h
> @@ -213,6 +213,14 @@ int cmdq_pkt_poll_mask(struct cmdq_pkt *pkt, u8 subsys,
> */
> int cmdq_pkt_assign(struct cmdq_pkt *pkt, u16 reg_idx, u32 value);
>
> +/**
> + * cmdq_pkt_finalize() - Append EOC and jump command to pkt.
> + * @pkt: the CMDQ packet
> + *
> + * Return: 0 for success; else the error code is returned
> + */
> +int cmdq_pkt_finalize(struct cmdq_pkt *pkt);
> +
> /**
> * cmdq_pkt_flush_async() - trigger CMDQ to asynchronously execute the CMDQ
> * packet and call back at the end of done packet