Commit c1ec54b7b5af
("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
would cause numerous mtk cmdq mailbox driver warning:
WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
cmdq_task_exec_done+0xb8/0xe0
So revert that patch and all the patches depend on that patch.
Chun-Kuang Hu (5):
Revert "drm/mediatek: Clear pending flag when cmdq packet is done"
Revert "drm/mediatek: Add cmdq_handle in mtk_crtc"
Revert "drm/mediatek: Detect CMDQ execution timeout"
Revert "drm/mediatek: Remove struct cmdq_client"
Revert "drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb"
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 157 ++++--------------------
1 file changed, 24 insertions(+), 133 deletions(-)
--
2.25.1
This reverts commit bc9241be73d9b2b3bcb7033598521fd669639848.
Commit c1ec54b7b5af
("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
would cause numerous mtk cmdq mailbox driver warning:
WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
cmdq_task_exec_done+0xb8/0xe0
So revert that patch and all the patches depend on that patch.
Reported-by: Enric Balletbo Serra <[email protected]>
Signed-off-by: Chun-Kuang Hu <[email protected]>
---
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 28 +++++++++----------------
1 file changed, 10 insertions(+), 18 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 9840b8d035dc..697c4dec1890 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -54,7 +54,6 @@ struct mtk_drm_crtc {
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
struct mbox_client cmdq_cl;
struct mbox_chan *cmdq_chan;
- struct cmdq_pkt cmdq_handle;
u32 cmdq_event;
u32 cmdq_vblank_cnt;
#endif
@@ -227,16 +226,19 @@ struct mtk_ddp_comp *mtk_drm_ddp_comp_for_plane(struct drm_crtc *crtc,
}
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
-static int mtk_drm_cmdq_pkt_create(struct mbox_chan *chan, struct cmdq_pkt *pkt,
- size_t size)
+static struct cmdq_pkt *mtk_drm_cmdq_pkt_create(struct mbox_chan *chan, size_t size)
{
+ struct cmdq_pkt *pkt;
struct device *dev;
dma_addr_t dma_addr;
+ pkt = kzalloc(sizeof(*pkt), GFP_KERNEL);
+ if (!pkt)
+ return ERR_PTR(-ENOMEM);
pkt->va_base = kzalloc(size, GFP_KERNEL);
if (!pkt->va_base) {
kfree(pkt);
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
}
pkt->buf_size = size;
@@ -247,12 +249,12 @@ static int mtk_drm_cmdq_pkt_create(struct mbox_chan *chan, struct cmdq_pkt *pkt,
dev_err(dev, "dma map failed, size=%u\n", (u32)(u64)size);
kfree(pkt->va_base);
kfree(pkt);
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
}
pkt->pa_base = dma_addr;
- return 0;
+ return pkt;
}
static void mtk_drm_cmdq_pkt_destroy(struct mbox_chan *chan, struct cmdq_pkt *pkt)
@@ -475,7 +477,7 @@ static void mtk_drm_crtc_update_config(struct mtk_drm_crtc *mtk_crtc,
bool needs_vblank)
{
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
- struct cmdq_pkt *cmdq_handle = &mtk_crtc->cmdq_handle;
+ struct cmdq_pkt *cmdq_handle;
#endif
struct drm_crtc *crtc = &mtk_crtc->base;
struct mtk_drm_private *priv = crtc->dev->dev_private;
@@ -515,7 +517,7 @@ static void mtk_drm_crtc_update_config(struct mtk_drm_crtc *mtk_crtc,
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
if (mtk_crtc->cmdq_chan) {
mbox_flush(mtk_crtc->cmdq_chan, 2000);
- cmdq_handle->cmd_buf_size = 0;
+ cmdq_handle = mtk_drm_cmdq_pkt_create(mtk_crtc->cmdq_chan, 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);
@@ -910,16 +912,6 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
drm_crtc_index(&mtk_crtc->base));
mbox_free_channel(mtk_crtc->cmdq_chan);
mtk_crtc->cmdq_chan = NULL;
- } else {
- ret = mtk_drm_cmdq_pkt_create(mtk_crtc->cmdq_chan,
- &mtk_crtc->cmdq_handle,
- PAGE_SIZE);
- if (ret) {
- dev_dbg(dev, "mtk_crtc %d failed to create cmdq packet\n",
- drm_crtc_index(&mtk_crtc->base));
- mbox_free_channel(mtk_crtc->cmdq_chan);
- mtk_crtc->cmdq_chan = NULL;
- }
}
}
#endif
--
2.25.1
This reverts commit 9efb16c2fdd647d3888fd8dae84509f485cd554e.
Commit c1ec54b7b5af
("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
would cause numerous mtk cmdq mailbox driver warning:
WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
cmdq_task_exec_done+0xb8/0xe0
So revert that patch and all the patches depend on that patch.
Reported-by: Enric Balletbo Serra <[email protected]>
Signed-off-by: Chun-Kuang Hu <[email protected]>
---
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 47 +++----------------------
1 file changed, 5 insertions(+), 42 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 5f81489fc60c..9840b8d035dc 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -267,36 +267,6 @@ 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);
-
- 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);
-
- 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);
-
- 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);
@@ -453,8 +423,7 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
state->pending_vrefresh, 0,
cmdq_handle);
- if (!cmdq_handle)
- state->pending_config = false;
+ state->pending_config = false;
}
if (mtk_crtc->pending_planes) {
@@ -474,12 +443,9 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
mtk_ddp_comp_layer_config(comp, local_layer,
plane_state,
cmdq_handle);
- if (!cmdq_handle)
- plane_state->pending.config = false;
+ plane_state->pending.config = false;
}
-
- if (!cmdq_handle)
- mtk_crtc->pending_planes = false;
+ mtk_crtc->pending_planes = false;
}
if (mtk_crtc->pending_async_planes) {
@@ -499,12 +465,9 @@ static void mtk_crtc_ddp_config(struct drm_crtc *crtc,
mtk_ddp_comp_layer_config(comp, local_layer,
plane_state,
cmdq_handle);
- if (!cmdq_handle)
- plane_state->pending.async_config = false;
+ plane_state->pending.async_config = false;
}
-
- if (!cmdq_handle)
- mtk_crtc->pending_async_planes = false;
+ mtk_crtc->pending_async_planes = false;
}
}
--
2.25.1
This reverts commit 8cdcb365342402fdeb664479b0a04e9debef8efb.
Commit c1ec54b7b5af
("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
would cause numerous mtk cmdq mailbox driver warning:
WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
cmdq_task_exec_done+0xb8/0xe0
So revert that patch and all the patches depend on that patch.
Reported-by: Enric Balletbo Serra <[email protected]>
Signed-off-by: Chun-Kuang Hu <[email protected]>
---
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 697c4dec1890..0cd5b9ed8956 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -55,7 +55,6 @@ struct mtk_drm_crtc {
struct mbox_client cmdq_cl;
struct mbox_chan *cmdq_chan;
u32 cmdq_event;
- u32 cmdq_vblank_cnt;
#endif
struct device *mmsys_dev;
@@ -270,7 +269,6 @@ 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;
- mtk_crtc->cmdq_vblank_cnt = 0;
mtk_drm_cmdq_pkt_destroy(mtk_crtc->cmdq_chan, data->pkt);
}
#endif
@@ -526,11 +524,6 @@ static void mtk_drm_crtc_update_config(struct mtk_drm_crtc *mtk_crtc,
cmdq_handle->pa_base,
cmdq_handle->cmd_buf_size,
DMA_TO_DEVICE);
- /*
- * CMDQ command should execute in next vblank,
- * If it fail to execute in next 2 vblank, timeout happen.
- */
- mtk_crtc->cmdq_vblank_cnt = 2;
mbox_send_message(mtk_crtc->cmdq_chan, cmdq_handle);
mbox_client_txdone(mtk_crtc->cmdq_chan, 0);
}
@@ -547,14 +540,11 @@ static void mtk_crtc_ddp_irq(void *data)
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
if (!priv->data->shadow_register && !mtk_crtc->cmdq_chan)
- mtk_crtc_ddp_config(crtc, NULL);
- else if (mtk_crtc->cmdq_vblank_cnt > 0 && --mtk_crtc->cmdq_vblank_cnt == 0)
- DRM_ERROR("mtk_crtc %d CMDQ execute command timeout!\n",
- drm_crtc_index(&mtk_crtc->base));
#else
if (!priv->data->shadow_register)
- mtk_crtc_ddp_config(crtc, NULL);
#endif
+ mtk_crtc_ddp_config(crtc, NULL);
+
mtk_drm_finish_page_flip(mtk_crtc);
}
--
2.25.1
This reverts commit c1ec54b7b5af25c779192253f5a9f05e95cb43d7.
Commit c1ec54b7b5af
("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
would cause numerous mtk cmdq mailbox driver warning:
WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
cmdq_task_exec_done+0xb8/0xe0
So revert that patch.
Reported-by: Enric Balletbo Serra <[email protected]>
Signed-off-by: Chun-Kuang Hu <[email protected]>
---
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 3f9802d21bf0..a4e80e499674 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -4,8 +4,6 @@
*/
#include <linux/clk.h>
-#include <linux/dma-mapping.h>
-#include <linux/mailbox_controller.h>
#include <linux/pm_runtime.h>
#include <linux/soc/mediatek/mtk-cmdq.h>
#include <linux/soc/mediatek/mtk-mmsys.h>
@@ -224,11 +222,9 @@ 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 mbox_client *cl, void *mssg)
+static void ddp_cmdq_cb(struct cmdq_cb_data data)
{
- struct cmdq_cb_data *data = mssg;
-
- cmdq_pkt_destroy(data->pkt);
+ cmdq_pkt_destroy(data.data);
}
#endif
@@ -479,12 +475,7 @@ static void mtk_drm_crtc_update_config(struct mtk_drm_crtc *mtk_crtc,
cmdq_pkt_wfe(cmdq_handle, mtk_crtc->cmdq_event, false);
mtk_crtc_ddp_config(crtc, cmdq_handle);
cmdq_pkt_finalize(cmdq_handle);
- dma_sync_single_for_device(mtk_crtc->cmdq_client->chan->mbox->dev,
- cmdq_handle->pa_base,
- cmdq_handle->cmd_buf_size,
- DMA_TO_DEVICE);
- mbox_send_message(mtk_crtc->cmdq_client->chan, cmdq_handle);
- mbox_client_txdone(mtk_crtc->cmdq_client->chan, 0);
+ cmdq_pkt_flush_async(cmdq_handle, ddp_cmdq_cb, cmdq_handle);
}
#endif
mtk_crtc->config_updating = false;
@@ -848,7 +839,6 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
}
if (mtk_crtc->cmdq_client) {
- mtk_crtc->cmdq_client->client.rx_callback = ddp_cmdq_cb;
ret = of_property_read_u32_index(priv->mutex_node,
"mediatek,gce-events",
drm_crtc_index(&mtk_crtc->base),
--
2.25.1
This reverts commit f4be17cd5b14dd73545b0e014a63ebe9ab5ef837.
Commit c1ec54b7b5af
("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
would cause numerous mtk cmdq mailbox driver warning:
WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
cmdq_task_exec_done+0xb8/0xe0
So revert that patch and all the patches depend on that patch.
Reported-by: Enric Balletbo Serra <[email protected]>
Signed-off-by: Chun-Kuang Hu <[email protected]>
---
drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 80 ++++++-------------------
1 file changed, 18 insertions(+), 62 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 0cd5b9ed8956..3f9802d21bf0 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -52,8 +52,7 @@ struct mtk_drm_crtc {
bool pending_async_planes;
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
- struct mbox_client cmdq_cl;
- struct mbox_chan *cmdq_chan;
+ struct cmdq_client *cmdq_client;
u32 cmdq_event;
#endif
@@ -225,51 +224,11 @@ struct mtk_ddp_comp *mtk_drm_ddp_comp_for_plane(struct drm_crtc *crtc,
}
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
-static struct cmdq_pkt *mtk_drm_cmdq_pkt_create(struct mbox_chan *chan, size_t size)
-{
- struct cmdq_pkt *pkt;
- struct device *dev;
- dma_addr_t dma_addr;
-
- pkt = kzalloc(sizeof(*pkt), GFP_KERNEL);
- if (!pkt)
- return ERR_PTR(-ENOMEM);
- pkt->va_base = kzalloc(size, GFP_KERNEL);
- if (!pkt->va_base) {
- kfree(pkt);
- return ERR_PTR(-ENOMEM);
- }
- pkt->buf_size = size;
-
- dev = chan->mbox->dev;
- dma_addr = dma_map_single(dev, pkt->va_base, pkt->buf_size,
- DMA_TO_DEVICE);
- if (dma_mapping_error(dev, dma_addr)) {
- dev_err(dev, "dma map failed, size=%u\n", (u32)(u64)size);
- kfree(pkt->va_base);
- kfree(pkt);
- return ERR_PTR(-ENOMEM);
- }
-
- pkt->pa_base = dma_addr;
-
- return pkt;
-}
-
-static void mtk_drm_cmdq_pkt_destroy(struct mbox_chan *chan, struct cmdq_pkt *pkt)
-{
- dma_unmap_single(chan->mbox->dev, pkt->pa_base, pkt->buf_size,
- DMA_TO_DEVICE);
- kfree(pkt->va_base);
- kfree(pkt);
-}
-
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;
- mtk_drm_cmdq_pkt_destroy(mtk_crtc->cmdq_chan, data->pkt);
+ cmdq_pkt_destroy(data->pkt);
}
#endif
@@ -513,19 +472,19 @@ static void mtk_drm_crtc_update_config(struct mtk_drm_crtc *mtk_crtc,
mtk_mutex_release(mtk_crtc->mutex);
}
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
- if (mtk_crtc->cmdq_chan) {
- mbox_flush(mtk_crtc->cmdq_chan, 2000);
- cmdq_handle = mtk_drm_cmdq_pkt_create(mtk_crtc->cmdq_chan, PAGE_SIZE);
+ if (mtk_crtc->cmdq_client) {
+ 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);
- dma_sync_single_for_device(mtk_crtc->cmdq_chan->mbox->dev,
+ dma_sync_single_for_device(mtk_crtc->cmdq_client->chan->mbox->dev,
cmdq_handle->pa_base,
cmdq_handle->cmd_buf_size,
DMA_TO_DEVICE);
- mbox_send_message(mtk_crtc->cmdq_chan, cmdq_handle);
- mbox_client_txdone(mtk_crtc->cmdq_chan, 0);
+ mbox_send_message(mtk_crtc->cmdq_client->chan, cmdq_handle);
+ mbox_client_txdone(mtk_crtc->cmdq_client->chan, 0);
}
#endif
mtk_crtc->config_updating = false;
@@ -539,7 +498,7 @@ static void mtk_crtc_ddp_irq(void *data)
struct mtk_drm_private *priv = crtc->dev->dev_private;
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
- if (!priv->data->shadow_register && !mtk_crtc->cmdq_chan)
+ if (!priv->data->shadow_register && !mtk_crtc->cmdq_client)
#else
if (!priv->data->shadow_register)
#endif
@@ -879,20 +838,17 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
mutex_init(&mtk_crtc->hw_lock);
#if IS_REACHABLE(CONFIG_MTK_CMDQ)
- mtk_crtc->cmdq_cl.dev = mtk_crtc->mmsys_dev;
- mtk_crtc->cmdq_cl.tx_block = false;
- mtk_crtc->cmdq_cl.knows_txdone = true;
- mtk_crtc->cmdq_cl.rx_callback = ddp_cmdq_cb;
- mtk_crtc->cmdq_chan =
- mbox_request_channel(&mtk_crtc->cmdq_cl,
- drm_crtc_index(&mtk_crtc->base));
- if (IS_ERR(mtk_crtc->cmdq_chan)) {
+ mtk_crtc->cmdq_client =
+ cmdq_mbox_create(mtk_crtc->mmsys_dev,
+ drm_crtc_index(&mtk_crtc->base));
+ if (IS_ERR(mtk_crtc->cmdq_client)) {
dev_dbg(dev, "mtk_crtc %d failed to create mailbox client, writing register by CPU now\n",
drm_crtc_index(&mtk_crtc->base));
- mtk_crtc->cmdq_chan = NULL;
+ mtk_crtc->cmdq_client = NULL;
}
- if (mtk_crtc->cmdq_chan) {
+ if (mtk_crtc->cmdq_client) {
+ mtk_crtc->cmdq_client->client.rx_callback = ddp_cmdq_cb;
ret = of_property_read_u32_index(priv->mutex_node,
"mediatek,gce-events",
drm_crtc_index(&mtk_crtc->base),
@@ -900,8 +856,8 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
if (ret) {
dev_dbg(dev, "mtk_crtc %d failed to get mediatek,gce-events property\n",
drm_crtc_index(&mtk_crtc->base));
- mbox_free_channel(mtk_crtc->cmdq_chan);
- mtk_crtc->cmdq_chan = NULL;
+ cmdq_mbox_destroy(mtk_crtc->cmdq_client);
+ mtk_crtc->cmdq_client = NULL;
}
}
#endif
--
2.25.1
Hi Chun-Kuang,
Thank you to take time to send this, for full series
Tested-by: Enric Balletbo i Serra <[email protected]>
Display is now working again.
Thanks,
Enric
Missatge de Chun-Kuang Hu <[email protected]> del dia dv., 8
d’oct. 2021 a les 1:53:
>
> Commit c1ec54b7b5af
> ("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
> would cause numerous mtk cmdq mailbox driver warning:
>
> WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
> cmdq_task_exec_done+0xb8/0xe0
>
> So revert that patch and all the patches depend on that patch.
>
> Chun-Kuang Hu (5):
> Revert "drm/mediatek: Clear pending flag when cmdq packet is done"
> Revert "drm/mediatek: Add cmdq_handle in mtk_crtc"
> Revert "drm/mediatek: Detect CMDQ execution timeout"
> Revert "drm/mediatek: Remove struct cmdq_client"
> Revert "drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb"
>
> drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 157 ++++--------------------
> 1 file changed, 24 insertions(+), 133 deletions(-)
>
> --
> 2.25.1
>
Enric Balletbo Serra <[email protected]> 於 2021年10月8日 週五 下午9:33寫道：
>
> Hi Chun-Kuang,
>
> Thank you to take time to send this, for full series
>
> Tested-by: Enric Balletbo i Serra <[email protected]>
>
> Display is now working again.
Applied to mediatek-drm-fixes [1].
[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-fixes
Regards,
Chun-Kuang.
>
> Thanks,
> Enric
>
>
> Missatge de Chun-Kuang Hu <[email protected]> del dia dv., 8
> d’oct. 2021 a les 1:53:
> >
> > Commit c1ec54b7b5af
> > ("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
> > would cause numerous mtk cmdq mailbox driver warning:
> >
> > WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
> > cmdq_task_exec_done+0xb8/0xe0
> >
> > So revert that patch and all the patches depend on that patch.
> >
> > Chun-Kuang Hu (5):
> > Revert "drm/mediatek: Clear pending flag when cmdq packet is done"
> > Revert "drm/mediatek: Add cmdq_handle in mtk_crtc"
> > Revert "drm/mediatek: Detect CMDQ execution timeout"
> > Revert "drm/mediatek: Remove struct cmdq_client"
> > Revert "drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb"
> >
> > drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 157 ++++--------------------
> > 1 file changed, 24 insertions(+), 133 deletions(-)
> >
> > --
> > 2.25.1
> >