be implemented only after HPD low has been detected for 100ms.
Timing requirements in this Standard related to the detection of
HPD high are to be interpreted as applying from the completion of an
implementation-dependent de-bounce period.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek
ecommended that the time
for MIPI to enter LP11 be postponed after IOVCC (delay20ms).
Signed-off-by: Jitao Shi
Change-Id: Ic5212e2145a7dbf2efef9e5585904a93e1bc5a28
---
drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 88 +++---
include/drm/panel_boe_tv101wum_nl6.h | 28 +
"auo,kd101n80-45na" requires the panel's IOVDD take precedence over
MIPI DATA. Otherwise there is a risk of leakage.
Signed-off-by: Jitao Shi
Change-Id: I2da6179dea7e15bc5a53fe36db200b6c04f4d551
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 28 ++--
1 file c
y
https://patchwork.kernel.org/project/linux-mediatek/list/?series=515355
Jitao Shi (2):
drm/panel: panel-boe-tv101wum-nl6: tune the power sequence to avoid
leakage
drm/mediatek: control panel's power before MIPI LP11
drivers/gpu/drm/mediatek/mtk_dsi.c | 28 ++--
drivers/gpu/drm/panel
Hi sirs
Pls help to review this change.
Best Regards
Jitao.
On Tue, 2021-10-05 at 07:53 +0800, Chun-Kuang Hu wrote:
> Hi, Jitao:
>
> Jitao Shi 於 2021年9月16日 週四 上午6:31寫道：
> >
> > Some DSI devices reqire the hs packet starting and ending
> > at same time on all dsi la
Hi Xin,
Please help to review the changes in anx7625.c
On Thu, 2021-09-16 at 06:31 +0800, Jitao Shi wrote:
> This device requires the packets on lanes aligned at the end to fix
> screen shift or scroll.
>
> Signed-off-by: Jitao Shi
> ---
> drivers/gpu/drm/bridge/analogix/an
Some dsi devices require the packets on lanes aligned at the end,
or the screen will shift or scroll.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 10 ++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm/mediatek
This device requires the packets on lanes aligned at the end to fix
screen shift or scroll.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/bridge/analogix/anx7625.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c
b/drivers/gpu/drm/bridge/analogix
Some DSI devices reqire the hs packet starting and ending
at same time on all dsi lanes. So use a flag to those devices.
Signed-off-by: Jitao Shi
---
include/drm/drm_mipi_dsi.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index
Changes since v4:
- Move "dt-bindings: drm/bridge: anx7625: add force_dsi_end_without_null"
before
"drm/mediatek: force hsa hbp hfp packets multiple of lanenum to avoid".
- Retitle "dt-bindings: drm/bridge: anx7625: add force_dsi_end_without_null".
Jitao Shi
The bridge chip ANX7625 requires the packets on lanes aligned at the end,
or ANX7625 will shift the screen.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 13 +
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm
Retitle "dt-bindings: drm/bridge: anx7625: add force_dsi_end_without_null".
Jitao Shi (1):
drm/mediatek: force hsa hbp hfp packets multiple of lanenum to avoid
screen shift
drivers/gpu/drm/mediatek/mtk_dsi.c | 13 +
1 file changed, 13 insertions(+)
--
2.25.1
. send the DCS cmd to panel --> panel's action
4. start send video stream --> dsi host's action
5. turn on backlight. --> panel's action
panel's actions are divided into three parts.
So I add a new api "drm_panel_prepare_power/rm_panel_unprepare_power" to
Seperate the panel power control from prepare/unprepare.
Signed-off-by: Jitao Shi
---
.../gpu/drm/panel/panel-boe-tv101wum-nl6.c| 72 +--
1 file changed, 50 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
b/drivers/gpu/drm/panel
and drm_panel_unprepare.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/bridge/panel.c | 17 +++
drivers/gpu/drm/drm_panel.c| 38 ++
include/drm/drm_bridge.h | 2 ++
include/drm/drm_panel.h| 17 +++
4 files changed, 74 insertions(+)
diff
Changes since v1:
- Fix null point when dsi next bridge isn't a panel.
- "dsi mmsys reset" is implement by
https://patchwork.kernel.org/project/linux-mediatek/list/?series=515355
Jitao Shi (3):
drm/panel: seperate panel power control from panel prepare/unprepare
drm/panel: bo
The bridge chip ANX7625 requires the packets on lanes aligned at the end,
or ANX7625 will shift the screen.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 13 +
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm
Changes since v4:
- Move "dt-bindings: drm/bridge: anx7625: add force_dsi_end_without_null"
before
"drm/mediatek: force hsa hbp hfp packets multiple of lanenum to avoid".
- Retitle "dt-bindings: drm/bridge: anx7625: add force_dsi_end_without_null".
Jitao Shi
The force_dsi_end_without_null requires the dsi host ent at
the same time in line.
Signed-off-by: Jitao Shi
---
.../bindings/display/bridge/analogix,anx7625.yaml | 6 ++
1 file changed, 6 insertions(+)
diff --git
a/Documentation/devicetree/bindings/display/bridge/analogix
The force_dsi_end_without_null requires the dsi host ent at
the same time in line.
Signed-off-by: Jitao Shi
---
.../bindings/display/bridge/analogix,anx7625.yaml | 6 ++
1 file changed, 6 insertions(+)
diff --git
a/Documentation/devicetree/bindings/display/bridge/analogix
The bridge chip ANX7625 requires the packets on lanes aligned at the end,
or ANX7625 will shift the screen.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 13 +
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm
The bridge chip ANX7625 requires the packets on lanes aligned at the end,
or ANX7625 will shift the screen.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 13 +
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm
Some bridge chip will shift screen when the dsi data does't ent at
the same time in line.
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dsi.txt | 4
1 file changed, 4 insertions(+)
diff --git
a/Documentation/devicetree/bindings/display/mediatek
The bridge chip "ANX7625" requires the packets on lanes to aligne at the end,
or ANX7625 will shift the screen.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 13 +
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/d
On Sat, 2021-04-24 at 07:50 +0800, Chun-Kuang Hu wrote:
> Hi, Jitao:
>
> Jitao Shi 於 2021年4月20日 週二 下午9:26寫道：
> >
> > Reset dsi HW to default when power on. Prevent the setting differet
> > between bootloader and kernel.
> >
> > Signed-off-by: Jitao Shi
On Sat, 2021-04-24 at 00:36 +0800, Chun-Kuang Hu wrote:
> Hi, Jitao:
>
> Jitao Shi 於 2021年4月20日 週二 下午9:26寫道：
> >
> > Add the drm_panel_prepare_power and drm_panel_unprepare_power control.
> > Turn on panel power(drm_panel_prepare_power) and control before dsi
>
Add the drm_panel_prepare_power and drm_panel_unprepare_power control.
Turn on panel power(drm_panel_prepare_power) and control before dsi
enable. And then dsi enable, send dcs cmd in drm_panel_prepare, last
turn on backlight.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 12
and drm_panel_unprepare.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/bridge/panel.c | 17 +++
drivers/gpu/drm/drm_panel.c| 38 ++
include/drm/drm_bridge.h | 2 ++
include/drm/drm_panel.h| 17 +++
4 files changed, 74 insertions(+)
diff
Reset dsi HW to default when power on. Prevent the setting differet
between bootloader and kernel.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 36 +-
1 file changed, 35 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mediatek
Seperate the panel power control from prepare/unprepare.
Signed-off-by: Jitao Shi
---
.../gpu/drm/panel/panel-boe-tv101wum-nl6.c| 72 +--
1 file changed, 50 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
b/drivers/gpu/drm/panel
The bridge chip ANX7625 require the line packets ending at the sametime
or ANX7625 will shift the screen.
Change-Id: Ia324ad28fbff54140feedb9a1d6bfb2b246d0447
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 12
1 file changed, 12 insertions(+)
diff --git
DPI can sample on falling, rising or both edge.
When DPI sample the data both rising and falling edge.
It can reduce half data io pins.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 12
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/mediatek
DPI can sample on falling, rising or both edge.
When DPI sample the data both rising and falling edge.
It can reduce half data io pins.
Jitao Shi (3):
drm/mediatek: dpi dual edge sample mode support
drm/mediatek: config mt8183 driver data to support dual edge sample
drm/mediatek: dpi: add
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
b/drivers/gpu/drm/mediatek/mtk_dpi.c
index ccd681a2a4c2..87bb27649c4c 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm
Add the atomic_get_output_bus_fmts, atomic_get_input_bus_fmts to negociate
the possible output and input formats for the current mode and monitor,
and use the negotiated formats in a basic atomic_check callback.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 96
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
b/drivers/gpu/drm/mediatek/mtk_dpi.c
index ffa4a0f1989f..f6f71eb67ff1 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu
Add compatible "mediatek,mt8192-dpi" for the mt8192 dpi.
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dpi.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git
a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
b/Doc
Add per-platform max clock rate check in mtk_dpi_bridge_mode_valid.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 17 +
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 52f11a63a330
Changes since v2:
- add const struct drm_display_info *info in mtk_dpi_bridge_mode_valid
Jitao Shi (3):
drm/mediatek: mtk_dpi: Add check for max clock rate in mode_valid
drm/mediatek: mtk_dpi: Add dpi config for mt8192
dt-bindings: mediatek,dpi: add mt8192 to mediatek,dpi
.../display
Add compatible "mediatek,mt8192-dpi" for the mt8192 dpi.
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dpi.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git
a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
b/Doc
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
b/drivers/gpu/drm/mediatek/mtk_dpi.c
index ffa4a0f1989f..f6f71eb67ff1 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu
Add per-platform max clock rate check in mtk_dpi_bridge_mode_valid.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 17 +
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 52f11a63a330
Changes since v1:
- fix build err.
Jitao Shi (3):
drm/mediatek: mtk_dpi: Add check for max clock rate in mode_valid
drm/mediatek: mtk_dpi: Add dpi config for mt8192
dt-bindings: mediatek,dpi: add mt8192 to mediatek,dpi
.../display/mediatek/mediatek,dpi.yaml| 1 +
drivers/gpu/drm
Add per-platform max clock rate check in mtk_dpi_bridge_mode_valid.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 17 +
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 52f11a63a330
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 10 ++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
b/drivers/gpu/drm/mediatek/mtk_dpi.c
index ffa4a0f1989f..b7905f3f4d1b 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers
Add compatible "mediatek,mt8192-dpi" for the mt8192 dpi.
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dpi.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git
a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
b/Doc
Jitao Shi (3):
drm/mediatek: mtk_dpi: Add check for max clock rate in mode_valid
drm/mediatek: mtk_dpi: Add dpi config for mt8192
dt-bindings: mediatek,dpi: add mt8192 to mediatek,dpi
.../display/mediatek/mediatek,dpi.yaml| 1 +
drivers/gpu/drm/mediatek/mtk_dpi.c| 27
Some panels or bridges require customized hs_da_trail time.
So add a property in devicetree for this panels and bridges.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 10 +-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mediatek
Changes since v1:
- Seperate the line time as single patch.
Jitao Shi (2):
drm/mediatek: dsi: Fix EoTp flag
drm/mediatek: dsi: fine tune the line time cause by EOTp
drivers/gpu/drm/mediatek/mtk_dsi.c | 8 ++--
1 file changed, 6 insertions(+), 2 deletions(-)
--
2.12.5
Enabling EoTp will make the line time larger, so the hfp and
hbp should be reduced to keep line time.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm/mediatek/mtk_dsi.c
SoC will transmit the EoTp (End of Transmission packet) when
MIPI_DSI_MODE_EOT_PACKET flag is set.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 7 +--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm
SoC will transmit the EoTp (End of Transmission packet) when
MIPI_DSI_MODE_EOT_PACKET flag is set.
Enabling EoTp will make the line time larger, so the hfp and
hbp should be reduced to keep line time.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 8 ++--
1 file changed
The interrupt trigger is already set by OF. When do devm_request_irq()
in driver, please use IRQF_TRIGGER_NONE and don't specify trigger type
again.
Change-Id: Ie59d7bd9a44a130420890b169cc2e6fee3ad7633
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 3 +--
1 file changed, 1
are > 0.
Jitao Shi (1):
drm/mediatek: dsi: fix scrolling of panel with small hfp or hbp
drivers/gpu/drm/mediatek/mtk_dsi.c | 65 +++---
1 file changed, 25 insertions(+), 40 deletions(-)
--
2.12.5
___
dri-devel mail
Replace horizontal_backporch_byte with vm->hback_porch * bpp to aovid
flowing judgement negative number.
if ((vm->hfront_porch * dsi_tmp_buf_bpp + horizontal_backporch_byte) >
data_phy_cycles * dsi->lanes + delta)
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mt
On Mon, 2020-10-12 at 23:22 +0800, Chun-Kuang Hu wrote:
> Hi, Jitao:
>
> Jitao Shi 於 2020年10月10日 週六 下午3:09寫道：
> >
> > Changes since v3:
> > - Revert v2, for v2 will cause some bridge ic no output. the cause
> >the video linetime doesn't match display mod
Replace horizontal_backporch_byte with vm->hback_porch * bpp to aovid
flowing judgement negative number.
if ((vm->hfront_porch * dsi_tmp_buf_bpp + horizontal_backporch_byte) >
data_phy_cycles * dsi->lanes + delta)
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mt
This reverts commit 35bf948f1edbf507f6e57e0879fa6ea36d2d2930.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 9 +
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 80b7a082e874
Changes since v3:
- Revert v2, for v2 will cause some bridge ic no output. the cause
the video linetime doesn't match display mode from get mode.
- Make sure the horizontal_frontporch_byte and horizontal_backporch_byte
are > 0.
Jitao Shi (2):
Revert "drm/mediatek: dsi: Fix s
Convert display/mediatek/mediatek,dpi.txt to display/mediatek/mediatek,dpi.yaml
and remove the old text bindings.
Signed-off-by: Jitao Shi
---
.../bindings/display/mediatek/mediatek,dpi.txt | 42 --
.../bindings/display/mediatek/mediatek,dpi.yaml| 97 ++
2
Replace horizontal_backporch_byte with vm->hback_porch * bpp to aovid
flowing judgement negative number.
if ((vm->hfront_porch * dsi_tmp_buf_bpp + horizontal_backporch_byte) >
data_phy_cycles * dsi->lanes + delta)
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mt
On Tue, 2020-08-18 at 07:42 +0800, Chun-Kuang Hu wrote:
> Hi, Jitao:
>
> Jitao Shi 於 2020年8月17日 週一 下午9:07寫道：
> >
> > horizontal_backporch_byte should be hbp * bpp - hbp extra bytes.
> > So remove the wrong subtraction 10.
> >
> > Signed-off-by: Jitao Shi
horizontal_backporch_byte should be hbp * bpp - hbp extra bytes.
So remove the wrong subtraction 10.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 9 -
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm
Fine tune the HBP and HFP to avoid the dot noise on the left and right edges.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
b/drivers/gpu/drm
Delay the backlight on to make sure the video stable.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/panel/panel-simple.c | 7 +++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-simple.c
b/drivers/gpu/drm/panel/panel-simple.c
index 3ad828eaefe1..61781ffa7840 100644
On Sun, 2020-07-05 at 10:06 +0200, Sam Ravnborg wrote:
> Hi Jitao.
>
> On Fri, Jul 03, 2020 at 05:51:13PM +0800, Jitao Shi wrote:
> > Delay the backlight on to make sure the video stable.
> >
> > Signed-off-by: Jitao Shi
> > ---
> > drivers/gpu/drm/p
Delay the backlight on to make sure the video stable.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/panel/panel-simple.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-simple.c
b/drivers/gpu/drm/panel/panel-simple.c
index 3ad828eaefe1..18f34f286d3d 100644
Convert display/mediatek/mediatek,dpi.txt to display/mediatek/mediatek,dpi.yaml
and remove the old text bindings.
Signed-off-by: Jitao Shi
---
.../display/mediatek/mediatek,dpi.txt | 42
.../display/mediatek/mediatek,dpi.yaml| 97 +++
2 files changed, 97
nges since v2:
- update dt-bindings document for mt8183 dpi.
- separate dual edge modfication as independent patch.
Jitao Shi (1):
dt-bindings: display: mediatek: convert the dpi bindings to yaml
.../display/mediatek/mediatek,dpi.txt | 42
.../display/mediatek/mediatek,dpi.ya
If panel has too small hfp or hbp, horizontal_frontporch_byte or
horizontal_backporch_byte may become very small value or negative
value. This patch adjusts their values so that they are greater
than minimum value and keep total of them unchanged.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm
Add property "pinctrl-names" to swap pin mode between gpio and dpi mode. Set
the dpi pins to gpio mode and output-low to avoid leakage current when dpi
disabled.
Acked-by: Rob Herring
Reviewed-by: Chun-Kuang Hu
Signed-off-by: Jitao Shi
---
Documentation/devicetree/bindings/displa
n mode control and dual edge control to deveice tree.
- update dt-bindings document for pin mode swap and dual edge control.
Changes since v3:
- add dpi pin mode control when dpi on or off.
- update dpi dual edge comment.
Changes since v2:
- update dt-bindings document for mt8183 dpi.
- sep
Signed-off-by: Jitao Shi
---
.../bindings/display/mediatek/mediatek,dpi.txt | 42 --
.../bindings/display/mediatek/mediatek,dpi.yaml| 97 ++
2 files changed, 97 insertions(+), 42 deletions(-)
delete mode 100644
Documentation/devicetree/bindings/display
Config dpi pins mode to output and pull low when dpi is disabled.
Aovid leakage current from some dpi pins (Hsync Vsync DE ... ).
Reviewed-by: Chun-Kuang Hu
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 31 +++
1 file changed, 31 insertions
Read calibration data from nvmem, and config mipitx impedance with
calibration data to make sure their impedance are 100ohm.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_mipi_tx.c| 40 +++
drivers/gpu/drm/mediatek/mtk_mipi_tx.h| 3 ++
drivers/gpu
Add a property to control mipi tx drive current:
"drive-strength-microamp"
Reviewed-by: Chun-Kuang Hu
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dsi.txt| 5 +
1 file changed, 5 insertions(+)
diff --git
a/Documentation/devicetree/bindin
Add properties to get get mipitx calibration data.
Reviewed-by: Chun-Kuang Hu
Reviewed-by: Rob Herring
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dsi.txt| 5 +
1 file changed, 5 insertions(+)
diff --git
a/Documentation/devicetree/bindings/display
- rename mipitx-current-drive to drive-strength-microamp
Changes since v1:
- fix coding style.
- change mtk_mipi_tx_config_calibration_data() to void
Jitao Shi (4):
dt-bindings: display: mediatek: add property to control mipi tx drive
current
dt-bindings: display: mediatek:
Add a property in device tree to control the driving by different
board.
Reviewed-by: Chun-Kuang Hu
Reviewed-by: Matthias Brugger
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_mipi_tx.c| 14 ++
drivers/gpu/drm/mediatek/mtk_mipi_tx.h| 1 +
drivers/gpu
:
- fix coding style.
- change mtk_mipi_tx_config_calibration_data() to void
Jitao Shi (4):
dt-bindings: display: mediatek: add property to control mipi tx drive
current
dt-bindings: display: mediatek: get mipitx calibration data from nvmem
drm/mediatek: add the mipitx driving control
Read calibration data from nvmem, and config mipitx impedance with
calibration data to make sure their impedance are 100ohm.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_mipi_tx.c| 40 +++
drivers/gpu/drm/mediatek/mtk_mipi_tx.h| 3 ++
drivers/gpu
Add a property to control mipi tx drive current:
"drive-strength-microamp"
Reviewed-by: Chun-Kuang Hu
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dsi.txt| 5 +
1 file changed, 5 insertions(+)
diff --git
a/Documentation/devicetree/bindin
Add a property in device tree to control the driving by different
board.
Reviewed-by: Chun-Kuang Hu
Reviewed-by: Matthias Brugger
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_mipi_tx.c| 14 ++
drivers/gpu/drm/mediatek/mtk_mipi_tx.h| 1 +
drivers/gpu
Add properties to get get mipitx calibration data.
Reviewed-by: Chun-Kuang Hu
Reviewed-by: Rob Herring
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dsi.txt| 5 +
1 file changed, 5 insertions(+)
diff --git
a/Documentation/devicetree/bindings/display
On Sat, 2020-04-04 at 22:26 +0800, Chun-Kuang Hu wrote:
> Hi, Jitao:
>
> Jitao Shi 於 2020年3月31日 週二 下午4:28寫道：
> >
> > Read calibration data from nvmem, and config mipitx impedance with
> > calibration data to make sure their impedance are 100ohm.
>
ual edge control.
Changes since v3:
- add dpi pin mode control when dpi on or off.
- update dpi dual edge comment.
Changes since v2:
- update dt-bindings document for mt8183 dpi.
- separate dual edge modfication as independent patch.
Jitao Shi (3):
dt-bindings: display: mediatek: control d
Signed-off-by: Jitao Shi
---
.../display/mediatek/mediatek,dpi.txt | 42
.../display/mediatek/mediatek,dpi.yaml| 97 +++
2 files changed, 97 insertions(+), 42 deletions(-)
delete mode 100644
Documentation/devicetree/bindings/display/mediatek/mediatek
Config dpi pins mode to output and pull low when dpi is disabled.
Aovid leakage current from some dpi pins (Hsync Vsync DE ... ).
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 31 ++
1 file changed, 31 insertions(+)
diff --git a/drivers/gpu/drm
Add property "pinctrl-names" to swap pin mode between gpio and dpi mode. Set
the dpi pins to gpio mode and output-low to avoid leakage current when dpi
disabled.
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dpi.txt | 6 ++
1 file changed, 6
Changes since v3:
- refine drive-strength-microamp as from 3000 to 6000.
Changes since v2:
- fix the title of commit message.
- rename mipitx-current-drive to drive-strength-microamp
Changes since v1:
- fix coding style.
- change mtk_mipi_tx_config_calibration_data() to void
Jitao Shi (4
Add properties to get get mipitx calibration data.
Reviewed-by: Rob Herring
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dsi.txt| 5 +
1 file changed, 5 insertions(+)
diff --git
a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
b
Read calibration data from nvmem, and config mipitx impedance with
calibration data to make sure their impedance are 100ohm.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_mt8183_mipi_tx.c | 57 +++
1 file changed, 57 insertions(+)
diff --git a/drivers/gpu/drm
Add a property in device tree to control the driving by different
board.
Reviewed-by: Matthias Brugger
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_mipi_tx.c| 14 ++
drivers/gpu/drm/mediatek/mtk_mipi_tx.h| 1 +
drivers/gpu/drm/mediatek
Add a property to control mipi tx drive current:
"drive-strength-microamp"
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dsi.txt| 5 +
1 file changed, 5 insertions(+)
diff --git
a/Documentation/devicetree/bindings/display/mediatek/mediatek,
On Mon, 2020-03-23 at 16:00 -0600, Rob Herring wrote:
> On Wed, Mar 11, 2020 at 03:40:29PM +0800, Jitao Shi wrote:
> > Add a property to control mipi tx drive current:
> > "drive-strength-microamp"
> >
> > Signed-off-by: Jitao Shi
> > ---
> >
Changes since v2:
- fix the title of commit message.
- rename mipitx-current-drive to drive-strength-microamp
Changes since v1:
- fix coding style.
- change mtk_mipi_tx_config_calibration_data() to void
Jitao Shi (4):
dt-bindings: display: mediatek: add property to control mipi tx drive
Read calibration data from nvmem, and config mipitx impedance with
calibration data to make sure their impedance are 100ohm.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_mt8183_mipi_tx.c | 57 +++
1 file changed, 57 insertions(+)
diff --git a/drivers/gpu/drm
Add a property to control mipi tx drive current:
"drive-strength-microamp"
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dsi.txt | 4
1 file changed, 4 insertions(+)
diff --git
a/Documentation/devicetree/bindings/display/mediatek/mediatek,
Add properties to get get mipitx calibration data.
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dsi.txt| 5 +
1 file changed, 5 insertions(+)
diff --git
a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
b/Documentation/devicetree
Add a property in device tree to control the driving by different
board.
Reviewed-by: Matthias Brugger
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_mipi_tx.c| 6 ++
drivers/gpu/drm/mediatek/mtk_mipi_tx.h| 1 +
drivers/gpu/drm/mediatek/mtk_mt8183_mipi_tx.c | 7
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