* [PATCH v3] drm/mediatek: clear pending flag when cmdq packet is done
@ 2021-08-02 7:10 Yongqiang Niu
2021-08-02 7:10 ` Yongqiang Niu
0 siblings, 1 reply; 3+ messages in thread
From: Yongqiang Niu @ 2021-08-02 7:10 UTC (permalink / raw)
To: Chun-Kuang Hu
Cc: Rob Herring, Matthias Brugger, Philipp Zabel, David Airlie,
Daniel Vetter, Jassi Brar, Yongqiang Niu, Fabien Parent,
Dennis YC Hsieh, devicetree, linux-arm-kernel, linux-mediatek,
linux-kernel, dri-devel, Project_Global_Chrome_Upstream_Group,
Hsin-Yi Wang
Change since v2:
rebase
https://patchwork.kernel.org/project/linux-mediatek/cover/20210712235014.42673-1-chunkuang.hu@kernel.org/
Yongqiang Niu (1):
drm/mediatek: clear pending flag when cmdq packet is done.
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 51 +++++++++++++++++++++++++++++----
1 file changed, 46 insertions(+), 5 deletions(-)
--
1.8.1.1.dirty
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH v3] drm/mediatek: clear pending flag when cmdq packet is done.
2021-08-02 7:10 [PATCH v3] drm/mediatek: clear pending flag when cmdq packet is done Yongqiang Niu
@ 2021-08-02 7:10 ` Yongqiang Niu
2021-08-02 23:16 ` Chun-Kuang Hu
0 siblings, 1 reply; 3+ messages in thread
From: Yongqiang Niu @ 2021-08-02 7:10 UTC (permalink / raw)
To: Chun-Kuang Hu
Cc: Rob Herring, Matthias Brugger, Philipp Zabel, David Airlie,
Daniel Vetter, Jassi Brar, Yongqiang Niu, Fabien Parent,
Dennis YC Hsieh, devicetree, linux-arm-kernel, linux-mediatek,
linux-kernel, dri-devel, Project_Global_Chrome_Upstream_Group,
Hsin-Yi Wang
In cmdq mode, packet may be flushed before it is executed, so
the pending flag should be cleared after cmdq packet is done.
Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 51 +++++++++++++++++++++++++++++----
1 file changed, 46 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 4c25e33..2a2d43e 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -267,6 +267,40 @@ static void ddp_cmdq_cb(struct mbox_client *cl, void *mssg)
{
struct mtk_drm_crtc *mtk_crtc = container_of(cl, struct mtk_drm_crtc, cmdq_cl);
struct cmdq_cb_data *data = mssg;
+ struct mtk_crtc_state *state;
+ unsigned int i;
+
+ state = to_mtk_crtc_state(mtk_crtc->base.state);
+
+ if (state->pending_config) {
+ state->pending_config = false;
+ }
+
+ if (mtk_crtc->pending_planes) {
+ for (i = 0; i < mtk_crtc->layer_nr; i++) {
+ struct drm_plane *plane = &mtk_crtc->planes[i];
+ struct mtk_plane_state *plane_state;
+
+ plane_state = to_mtk_plane_state(plane->state);
+
+ if (plane_state->pending.config)
+ plane_state->pending.config = false;
+ }
+ mtk_crtc->pending_planes = false;
+ }
+
+ if (mtk_crtc->pending_async_planes) {
+ for (i = 0; i < mtk_crtc->layer_nr; i++) {
+ struct drm_plane *plane = &mtk_crtc->planes[i];
+ struct mtk_plane_state *plane_state;
+
+ plane_state = to_mtk_plane_state(plane->state);
+
+ if (plane_state->pending.async_config)
+ plane_state->pending.async_config = false;
+ }
+ mtk_crtc->pending_async_planes = false;
+ }
mtk_crtc->cmdq_vblank_cnt = 0;
mtk_drm_cmdq_pkt_destroy(mtk_crtc->cmdq_chan, data->pkt);
@@ -423,7 +457,8 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
state->pending_vrefresh, 0,
cmdq_handle);
- state->pending_config = false;
+ if (!cmdq_handle)
+ state->pending_config = false;
}
if (mtk_crtc->pending_planes) {
@@ -443,9 +478,12 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
mtk_ddp_comp_layer_config(comp, local_layer,
plane_state,
cmdq_handle);
- plane_state->pending.config = false;
+ if (!cmdq_handle)
+ plane_state->pending.config = false;
}
- mtk_crtc->pending_planes = false;
+
+ if (!cmdq_handle)
+ mtk_crtc->pending_planes = false;
}
if (mtk_crtc->pending_async_planes) {
@@ -465,9 +503,12 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
mtk_ddp_comp_layer_config(comp, local_layer,
plane_state,
cmdq_handle);
- plane_state->pending.async_config = false;
+ if (!cmdq_handle)
+ plane_state->pending.async_config = false;
}
- mtk_crtc->pending_async_planes = false;
+
+ if (!cmdq_handle)
+ mtk_crtc->pending_async_planes = false;
}
}
--
1.8.1.1.dirty
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v3] drm/mediatek: clear pending flag when cmdq packet is done.
2021-08-02 7:10 ` Yongqiang Niu
@ 2021-08-02 23:16 ` Chun-Kuang Hu
0 siblings, 0 replies; 3+ messages in thread
From: Chun-Kuang Hu @ 2021-08-02 23:16 UTC (permalink / raw)
To: Yongqiang Niu
Cc: Chun-Kuang Hu, Rob Herring, Matthias Brugger, Philipp Zabel,
David Airlie, Daniel Vetter, Jassi Brar, Fabien Parent,
Dennis YC Hsieh, DTML, Linux ARM,
moderated list:ARM/Mediatek SoC support, linux-kernel,
DRI Development, Project_Global_Chrome_Upstream_Group,
Hsin-Yi Wang
Hi, Yongqiang:
Yongqiang Niu <yongqiang.niu@mediatek.com> 於 2021年8月2日 週一 下午3:11寫道：
>
> In cmdq mode, packet may be flushed before it is executed, so
> the pending flag should be cleared after cmdq packet is done.
>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 51 +++++++++++++++++++++++++++++----
> 1 file changed, 46 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> index 4c25e33..2a2d43e 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> @@ -267,6 +267,40 @@ static void ddp_cmdq_cb(struct mbox_client *cl, void *mssg)
> {
> struct mtk_drm_crtc *mtk_crtc = container_of(cl, struct mtk_drm_crtc, cmdq_cl);
> struct cmdq_cb_data *data = mssg;
> + struct mtk_crtc_state *state;
> + unsigned int i;
> +
> + state = to_mtk_crtc_state(mtk_crtc->base.state);
> +
> + if (state->pending_config) {
No matter pending_config is true or not, it would be false after this.
So we could simply drop this checking.
> + state->pending_config = false;
> + }
> +
> + if (mtk_crtc->pending_planes) {
> + for (i = 0; i < mtk_crtc->layer_nr; i++) {
> + struct drm_plane *plane = &mtk_crtc->planes[i];
> + struct mtk_plane_state *plane_state;
> +
> + plane_state = to_mtk_plane_state(plane->state);
> +
> + if (plane_state->pending.config)
Ditto.
> + plane_state->pending.config = false;
> + }
> + mtk_crtc->pending_planes = false;
> + }
> +
> + if (mtk_crtc->pending_async_planes) {
> + for (i = 0; i < mtk_crtc->layer_nr; i++) {
> + struct drm_plane *plane = &mtk_crtc->planes[i];
> + struct mtk_plane_state *plane_state;
> +
> + plane_state = to_mtk_plane_state(plane->state);
> +
> + if (plane_state->pending.async_config)
Ditto.
Regards,
Chun-Kuang.
> + plane_state->pending.async_config = false;
> + }
> + mtk_crtc->pending_async_planes = false;
> + }
>
> mtk_crtc->cmdq_vblank_cnt = 0;
> mtk_drm_cmdq_pkt_destroy(mtk_crtc->cmdq_chan, data->pkt);
> @@ -423,7 +457,8 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
> state->pending_vrefresh, 0,
> cmdq_handle);
>
> - state->pending_config = false;
> + if (!cmdq_handle)
> + state->pending_config = false;
> }
>
> if (mtk_crtc->pending_planes) {
> @@ -443,9 +478,12 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
> mtk_ddp_comp_layer_config(comp, local_layer,
> plane_state,
> cmdq_handle);
> - plane_state->pending.config = false;
> + if (!cmdq_handle)
> + plane_state->pending.config = false;
> }
> - mtk_crtc->pending_planes = false;
> +
> + if (!cmdq_handle)
> + mtk_crtc->pending_planes = false;
> }
>
> if (mtk_crtc->pending_async_planes) {
> @@ -465,9 +503,12 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
> mtk_ddp_comp_layer_config(comp, local_layer,
> plane_state,
> cmdq_handle);
> - plane_state->pending.async_config = false;
> + if (!cmdq_handle)
> + plane_state->pending.async_config = false;
> }
> - mtk_crtc->pending_async_planes = false;
> +
> + if (!cmdq_handle)
> + mtk_crtc->pending_async_planes = false;
> }
> }
>
> --
> 1.8.1.1.dirty
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-08-02 7:10 [PATCH v3] drm/mediatek: clear pending flag when cmdq packet is done Yongqiang Niu
2021-08-02 7:10 ` Yongqiang Niu
2021-08-02 23:16 ` Chun-Kuang Hu
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