From: Yongqiang Niu <yongqiang.niu@mediatek.com>
To: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Jassi Brar <jassisinghbrar@gmail.com>,
Yongqiang Niu <yongqiang.niu@mediatek.com>,
Fabien Parent <fparent@baylibre.com>,
Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>,
<devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <dri-devel@lists.freedesktop.org>,
<Project_Global_Chrome_Upstream_Group@mediatek.com>,
Hsin-Yi Wang <hsinyi@chromium.org>, CK Hu <ck.hu@mediatek.com>
Subject: [PATCH v2] drm/mediatek: clear pending flag when cmdq packet is done.
Date: Mon, 12 Jul 2021 14:41:49 +0800 [thread overview]
Message-ID: <1626072109-2657-2-git-send-email-yongqiang.niu@mediatek.com> (raw)
In-Reply-To: <1626072109-2657-1-git-send-email-yongqiang.niu@mediatek.com>
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: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 92 ++++++++++++++++++++++++++++++---
1 file changed, 85 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 40df2c8..8cd107b 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -73,6 +73,13 @@ struct mtk_crtc_state {
unsigned int pending_vrefresh;
};
+#if IS_REACHABLE(CONFIG_MTK_CMDQ)
+struct mtk_cmdq_cb_data {
+ struct cmdq_pkt *cmdq_handle;
+ struct mtk_drm_crtc *mtk_crtc;
+};
+#endif
+
static inline struct mtk_drm_crtc *to_mtk_crtc(struct drm_crtc *c)
{
return container_of(c, struct mtk_drm_crtc, base);
@@ -224,7 +231,64 @@ struct mtk_ddp_comp *mtk_drm_ddp_comp_for_plane(struct drm_crtc *crtc,
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
static void ddp_cmdq_cb(struct cmdq_cb_data data)
{
- cmdq_pkt_destroy(data.data);
+ struct mtk_cmdq_cb_data *cb_data = data.data;
+ struct mtk_drm_crtc *mtk_crtc;
+ struct mtk_crtc_state *state;
+ unsigned int i;
+
+ if (!cb_data) {
+ DRM_ERROR("cmdq callback data is null pointer!\n");
+ return;
+ }
+
+ if (data.sta != 0) {
+ DRM_WARN("cmdq callback error %d!!\n", data.sta);
+ goto destroy_pkt;
+ }
+
+ mtk_crtc = cb_data->mtk_crtc;
+ if (!mtk_crtc) {
+ DRM_ERROR("cmdq callback mtk_crtc is null pointer!\n");
+ goto destroy_pkt;
+ }
+
+ 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;
+ }
+
+destroy_pkt:
+ if (cb_data->cmdq_handle)
+ cmdq_pkt_destroy(cb_data->cmdq_handle);
+
+ kfree(cb_data);
}
#endif
@@ -378,7 +442,8 @@ 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) {
@@ -398,9 +463,12 @@ 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) {
@@ -420,9 +488,13 @@ 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;
}
}
@@ -469,13 +541,19 @@ static void mtk_drm_crtc_update_config(struct mtk_drm_crtc *mtk_crtc,
}
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
if (mtk_crtc->cmdq_client) {
+ struct mtk_cmdq_cb_data *cb_data;
+
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, false);
mtk_crtc_ddp_config(crtc, cmdq_handle);
cmdq_pkt_finalize(cmdq_handle);
- cmdq_pkt_flush_async(cmdq_handle, ddp_cmdq_cb, cmdq_handle);
+
+ cb_data = kmalloc(sizeof(*cb_data), GFP_KERNEL);
+ cb_data->cmdq_handle = cmdq_handle;
+ cb_data->mtk_crtc = mtk_crtc;
+ cmdq_pkt_flush_async(cmdq_handle, ddp_cmdq_cb, cb_data);
}
#endif
mtk_crtc->config_updating = false;
--
1.8.1.1.dirty
next prev parent reply other threads:[~2021-07-12 6:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-12 6:41 [PATCH v2] drm/mediatek: clear pending flag when cmdq packet is done Yongqiang Niu
2021-07-12 6:41 ` Yongqiang Niu [this message]
2021-07-13 0:24 ` Chun-Kuang Hu
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