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
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
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
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
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
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
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 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
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
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
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 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
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
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
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
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
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
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
Switch the driver to atomic API apply().
Signed-off-by: Jitao Shi
---
drivers/pwm/pwm-mtk-disp.c | 114 +++--
1 file changed, 58 insertions(+), 56 deletions(-)
diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c
index 21416a8b6b47
Remove the clk_prepare from mtk_disp_pwm_probe.
Remove the clk_unprepare from mtk_disp_pwm_remove.
Signed-off-by: Jitao Shi
---
drivers/pwm/pwm-mtk-disp.c | 23 ++-
1 file changed, 2 insertions(+), 21 deletions(-)
diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm
Signed-off-by: Jitao Shi
---
drivers/pwm/pwm-mtk-disp.c | 46 ++
1 file changed, 46 insertions(+)
diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c
index 502228adf718..166e0a8ca703 100644
--- a/drivers/pwm/pwm-mtk-disp.c
+++ b
Changes since v1:
- Seperate clock operation as single patch.
- Seperate apply() as single patch.
- Seperate get_state() operation as single patch.
Jitao Shi (3):
pwm: mtk_disp: clear the clock operations
pwm: mtk_disp: convert the driver to atomic API
pwm: mtk_disp: implement .get_state
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
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
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
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
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
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
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
This patch add mt8183 mipi_tx driver.
And also support other chips that use the same binding and driver.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/Makefile | 1 +
drivers/gpu/drm/mediatek/mtk_mipi_tx.c| 2 +
drivers/gpu/drm/mediatek/mtk_mipi_tx.h| 1
Our new DSI chip has frame size control.
So add the driver data to control for different chips.
Signed-off-by: Jitao Shi
Reviewed-by: CK Hu
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 5 +
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm
- data_phy_cycles * lanes - 12;
Note:
//(2: 1 for sync, 1 for phy idle)
data_phy_cycles = T_hs_exit + T_lpx + T_hs_prepare + T_hs_zero + 2;
bpp: bit per pixel
Signed-off-by: Jitao Shi
Tested-by: Ryan Case
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 122 -
1 file
Different IC has different mipi_tx setting of dsi.
This patch separates the mipi_tx hardware relate part for mt8173.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/Makefile | 1 +
drivers/gpu/drm/mediatek/mtk_mipi_tx.c| 350 ++
drivers/gpu/drm
This patch add mt8183 mipi_tx driver.
And also support other chips that use the same binding and driver.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_mipi_tx.c| 2 +
drivers/gpu/drm/mediatek/mtk_mipi_tx.h| 1 +
drivers/gpu/drm/mediatek/mtk_mt8183_mipi_tx.c | 168
MT8183 has different setting to MT8173(exist chip). We add mt8183 mipi_tx
driver.
1) Separate mipi_tx to common part and chip relate part.
2) Add mt8183 mipi_tx driver
Changes since v0:
- Separate two independent patches.
Jitao Shi (2):
drm/mediatek: separate mipi_tx to different file
drm
MT8183 samples on rising and falling edge. It can reduce half data
io.
MT8173 also has those registers. But the hw function is removed.
So MT8173 doesn't support DPI dual edge sample and can't use the
same setting to mt8183.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 29
On Fri, 2019-02-15 at 00:13 +0800, CK Hu wrote:
> Hi, Jitao:
>
> On Mon, 2019-02-11 at 12:50 +0800, Jitao Shi wrote:
> > MT8183 sample on rising and falling edge. It can reduce half data io.
> >
> > Signed-off-by: Jitao Shi
> > ---
> >
On Fri, 2019-02-15 at 00:13 +0800, CK Hu wrote:
> Hi, Jitao:
>
> On Mon, 2019-02-11 at 12:50 +0800, Jitao Shi wrote:
> > MT8183 sample on rising and falling edge. It can reduce half data io.
> >
> > Signed-off-by: Jitao Shi
> > ---
> >
On Thu, 2019-02-14 at 15:41 -0500, Sean Paul wrote:
> On Mon, Feb 11, 2019 at 12:50:59PM +0800, Jitao Shi wrote:
> > MT8183 sample on rising and falling edge. It can reduce half data io.
> >
> > Signed-off-by: Jitao Shi
> > ---
> > driver
On Thu, 2019-02-14 at 13:48 +0800, Nicolas Boichat wrote:
> On Thu, Feb 14, 2019 at 12:42 PM Jitao Shi wrote:
> >
> > Config the different CMDQ reg address in driver data.
> >
> > Signed-off-by: Jitao Shi
> > ---
> > drivers/gpu/drm/mediatek/mtk_dsi.c | 3
On Thu, 2019-02-14 at 14:02 +0800, Nicolas Boichat wrote:
> Just some comments on the error path, I'm not sure about the change itself.
>
> On Thu, Feb 14, 2019 at 12:42 PM Jitao Shi wrote:
> >
> > DSI panel driver need attach function which is inculde in
On Thu, 2019-02-14 at 13:54 +0800, Nicolas Boichat wrote:
> On Thu, Feb 14, 2019 at 12:43 PM Jitao Shi wrote:
> >
> > MT8183 dsi has two changes with mt8173.
> > 1. Add the register double buffer control, but we no need it, So make
> >it default off.
>
> C
On Thu, 2019-02-14 at 10:54 +0100, Matthias Brugger wrote:
>
> On 14/02/2019 05:42, Jitao Shi wrote:
> > MT8183 dsi has two changes with mt8173.
> > 1. Add the register double buffer control, but we no need it, So make
> >it default off.
> > 2. Add picture siz
On Thu, 2019-02-14 at 15:48 -0500, Sean Paul wrote:
> On Thu, Feb 14, 2019 at 12:42:41PM +0800, Jitao Shi wrote:
> > DSI panel driver need attach function which is inculde in
> > mipi_dsi_host_ops.
>
> Which function is required from dsi_host?
>
> Sean
On Tue, 2019-02-12 at 10:28 +0100, Matthias Brugger wrote:
>
> On 12/02/2019 07:19, Jitao Shi wrote:
> > This patch adds mipi tx driver support for mt8183.
> >
> > Mipi_tx of mt8183 is very different to mt8173.
> > 1.Separate mipi tx setting to mtk_mt8173_mipi_tx.c
MT8183 dsi has two changes with mt8173.
1. Add the register double buffer control, but we no need it, So make
it default off.
2. Add picture size control.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 20 +++-
1 file changed, 19 insertions(+), 1 deletion
DSI panel driver need attach function which is inculde in
mipi_dsi_host_ops.
If mipi_dsi_host_register is not in probe, dsi panel will
probe fail or more delay.
So move the mipi_dsi_host_register to probe from bind.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 49
Config the different CMDQ reg address in driver data.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 39 --
1 file changed, 31 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm/mediatek/mtk_dsi.c
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/Makefile | 2 +
drivers/gpu/drm/mediatek/mtk_mipi_tx.c| 352 ++
drivers/gpu/drm/mediatek/mtk_mipi_tx.h| 52 +++
drivers/gpu/drm/mediatek/mtk_mt8173_mipi_tx.c | 290 +++
drivers/gpu/drm
MT8183 sample on rising and falling edge. It can reduce half data io.
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 29 +
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
b/drivers/gpu/drm/mediatek/mtk_dpi.c
index
On Tue, 2019-01-22 at 10:16 +0100, Uwe Kleine-König wrote:
> On Tue, Jan 22, 2019 at 05:02:43PM +0800, Jitao Shi wrote:
> > Use the mtk_pwm_data struction to define different registers
> > and add MT8183 specific register operations, such as MT8183
> > doesn't have c
Use the mtk_pwm_data struction to define different registers
and add MT8183 specific register operations, such as MT8183
doesn't have commit register, needs to disable double buffer
before writing register, and needs to select commit mode
and use PWM_PERIOD/PWM_HIGH_WIDTH.
Signed-off-by: Jitao
Use the mtk_pwm_data struction to define different registers
and add MT8183 specific register operations, such as MT8183
doesn't have commit register, needs to disable double buffer
before writing register, and needs to select commit mode
and use PWM_PERIOD/PWM_HIGH_WIDTH.
Signed-off-by: Jitao
On Wed, 2019-01-09 at 17:58 +0100, Matthias Brugger wrote:
>
> On 04/01/2019 08:03, chunhui dai wrote:
> > DPI sample on rising and falling edge. It can reduce half data io.
> >
> > Signed-off-by: Jitao Shi
> > Signed-off-by: chunhui dai
> > ---
> >
dead.org;
> > linux-media...@lists.infradead.org; dri-de...@lists.freedesktop.org;
> > srv_heupstream; Bibby Hsieh (謝濟遠); JamesJJ Liao (廖建智); Jitao Shi (石记
> > 涛)
> > Subject: [PATCH 9/9] drm/mediatek: add dpi dual edge support
> >
> > DPI sample on rising and fal
Use the mtk_pwm_data struction to define different registers
and add MT8183 specific register operations, such as MT8183
have commit register, needs to enable double buffer
before writing register, and needs to select commit mode
and use PWM_PERIOD/PWM_HIGH_WIDTH.
Signed-off-by: Jitao Shi
= ((htotal*bpp/lane_number)+Tlpx+Ths_prep+Ths_zero+
Ths_trail+Ths_exit)/(htotal*bpp/lane_number)
Signed-off-by: Jitao Shi <jitao@mediatek.com>
---
Change since v4:
- tune the calc comment more clear.
- define the phy timings as constants.
Chnage since v3:
- wrapp the
= ((htotal*bpp/lane_number)+Tlpx+Ths_prep+Ths_zero+
Ths_trail+Ths_exit)/(htotal*bpp/lane_number)
Signed-off-by: Jitao Shi
---
Change since v4:
- tune the calc comment more clear.
- define the phy timings as constants.
Chnage since v3:
- wrapp the commit msg.
- fix alignment
n 11/10/2016 10:09 PM, Enric Balletbo Serra wrote:
> > Hi Jitao,
> >
> > 2016-08-27 8:44 GMT+02:00 Jitao Shi <jitao@mediatek.com>:
> >> This patch adds drm_bridge driver for parade DSI to eDP bridge chip.
> >>
> >> Signed-off-by: Ji
n 11/10/2016 10:09 PM, Enric Balletbo Serra wrote:
> > Hi Jitao,
> >
> > 2016-08-27 8:44 GMT+02:00 Jitao Shi :
> >> This patch adds drm_bridge driver for parade DSI to eDP bridge chip.
> >>
> >> Signed-off-by: Jitao Shi
> >> Reviewed-by: Danie
Add documentation for DT properties supported by
ps8640 DSI-eDP converter.
Signed-off-by: Jitao Shi <jitao@mediatek.com>
Acked-by: Rob Herring <r...@kernel.org>
Reviewed-by: Philipp Zabel <p.za...@pengutronix.de>
---
Changes since v17:
- No change.
Changes since v16:
- N
This patch adds drm_bridge driver for parade DSI to eDP bridge chip.
Signed-off-by: Jitao Shi <jitao@mediatek.com>
Reviewed-by: Daniel Kurtz <djku...@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balle...@collabora.com>
---
Changes since v17:
- remove some
Add documentation for DT properties supported by
ps8640 DSI-eDP converter.
Signed-off-by: Jitao Shi
Acked-by: Rob Herring
Reviewed-by: Philipp Zabel
---
Changes since v17:
- No change.
Changes since v16:
- No change.
Changes since v15:
- No change.
Changes since v14:
- change mode-sel
This patch adds drm_bridge driver for parade DSI to eDP bridge chip.
Signed-off-by: Jitao Shi
Reviewed-by: Daniel Kurtz
Reviewed-by: Enric Balletbo i Serra
---
Changes since v17:
- remove some unused head files.
- add macros for ps8640 pages.
- remove ddc_i2c client
- add
.
coefficient = ((htotal*bpp/lane_number)+Tlpx+Ths_prep+Ths_zero+
Ths_trail+Ths_exit)/(htotal*bpp/lane_number)
Signed-off-by: Jitao Shi <jitao@mediatek.com>
---
Chnage since v3:
- wrapp the commit msg.
- fix alignment of some lines.
Change since v2:
- move phy timin
.
coefficient = ((htotal*bpp/lane_number)+Tlpx+Ths_prep+Ths_zero+
Ths_trail+Ths_exit)/(htotal*bpp/lane_number)
Signed-off-by: Jitao Shi
---
Chnage since v3:
- wrapp the commit msg.
- fix alignment of some lines.
Change since v2:
- move phy timing back to dsi_phy_timconfig.
Change since
On Wed, 2016-10-26 at 14:41 +0800, CK Hu wrote:
> Hi, Jitao:
>
> On Tue, 2016-10-25 at 13:40 +0800, Jitao Shi wrote:
> > Tune dsi frame rate by pixel clock, dsi add some extra signal (i.e. Tlpx,
> > Ths-prepare, Ths-zero, Ths-trail,Ths-exit) when enter and exit LP mode, this
On Wed, 2016-10-26 at 14:41 +0800, CK Hu wrote:
> Hi, Jitao:
>
> On Tue, 2016-10-25 at 13:40 +0800, Jitao Shi wrote:
> > Tune dsi frame rate by pixel clock, dsi add some extra signal (i.e. Tlpx,
> > Ths-prepare, Ths-zero, Ths-trail,Ths-exit) when enter and exit LP mode, this
= ((htotal*bpp/lane_number)+Tlpx+Ths_prep+Ths_zero+Ths_trail+
Ths_exit)/(htotal*bpp/lane_number))
Signed-off-by: Jitao Shi <jitao@mediatek.com>
---
Change since v2:
- move phy timing back to dsi_phy_timconfig.
Change since v1:
- phy_timing2 and phy_timing3 refer clock cycl
= ((htotal*bpp/lane_number)+Tlpx+Ths_prep+Ths_zero+Ths_trail+
Ths_exit)/(htotal*bpp/lane_number))
Signed-off-by: Jitao Shi
---
Change since v2:
- move phy timing back to dsi_phy_timconfig.
Change since v1:
- phy_timing2 and phy_timing3 refer clock cycle time.
- define values of LPX
= ((htotal*bpp/lane_number)+Tlpx+Ths_prep+Ths_zero+Ths_trail+
Ths_exit)/(htotal*bpp/lane_number))
Signed-off-by: Jitao Shi <jitao@mediatek.com>
---
Change since v1:
- phy_timing2 and phy_timing3 refer clock cycle time.
- define values of LPX HS_PRPR HS_ZERO HS_TRAIL TA_GO T
= ((htotal*bpp/lane_number)+Tlpx+Ths_prep+Ths_zero+Ths_trail+
Ths_exit)/(htotal*bpp/lane_number))
Signed-off-by: Jitao Shi
---
Change since v1:
- phy_timing2 and phy_timing3 refer clock cycle time.
- define values of LPX HS_PRPR HS_ZERO HS_TRAIL TA_GO TA_SURE TA_GET DA_HS_EXIT
This patch adds drm_bridge driver for parade DSI to eDP bridge chip.
Signed-off-by: Jitao Shi <jitao@mediatek.com>
Reviewed-by: Daniel Kurtz <djku...@chromium.org>
---
Changes since v16:
- Disable ps8640 DSI MCS Function.
- Rename gpios name more clearly.
- Tune the
This patch adds drm_bridge driver for parade DSI to eDP bridge chip.
Signed-off-by: Jitao Shi
Reviewed-by: Daniel Kurtz
---
Changes since v16:
- Disable ps8640 DSI MCS Function.
- Rename gpios name more clearly.
- Tune the ps8640 power on sequence.
Changes since v15:
- Drop drm_connector_
Add documentation for DT properties supported by
ps8640 DSI-eDP converter.
Signed-off-by: Jitao Shi <jitao@mediatek.com>
Acked-by: Rob Herring <r...@kernel.org>
Reviewed-by: Philipp Zabel <p.za...@pengutronix.de>
---
Changes since v16:
- No change.
Changes since v15:
- N
Add documentation for DT properties supported by
ps8640 DSI-eDP converter.
Signed-off-by: Jitao Shi
Acked-by: Rob Herring
Reviewed-by: Philipp Zabel
---
Changes since v16:
- No change.
Changes since v15:
- No change.
Changes since v14:
- change mode-sel-gpios as optional
= ((htotal*bpp/lane_number)+Tlpx+Ths_prep+Ths_zero+Ths_trail+
Ths_exit)/(htotal*bpp/lane_number))
Signed-off-by: Jitao Shi <jitao@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 111 ++--
1 file changed, 67 insertions(+), 44 deletions(-)
= ((htotal*bpp/lane_number)+Tlpx+Ths_prep+Ths_zero+Ths_trail+
Ths_exit)/(htotal*bpp/lane_number))
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 111 ++--
1 file changed, 67 insertions(+), 44 deletions(-)
diff --git a/drivers/gpu/drm
This patch adds drm_bridge driver for parade DSI to eDP bridge chip.
Signed-off-by: Jitao Shi <jitao@mediatek.com>
Reviewed-by: Daniel Kurtz <djku...@chromium.org>
---
Changes since v15:
- Drop drm_connector_(un)register calls from parade ps8640.
The main DRM driver mtk_drm_d
This patch adds drm_bridge driver for parade DSI to eDP bridge chip.
Signed-off-by: Jitao Shi
Reviewed-by: Daniel Kurtz
---
Changes since v15:
- Drop drm_connector_(un)register calls from parade ps8640.
The main DRM driver mtk_drm_drv now calls
drm_connector_register_all() after
Add documentation for DT properties supported by
ps8640 DSI-eDP converter.
Signed-off-by: Jitao Shi <jitao@mediatek.com>
Acked-by: Rob Herring <r...@kernel.org>
Reviewed-by: Philipp Zabel <p.za...@pengutronix.de>
---
Changes since v15:
- No change.
Changes since v14:
Add documentation for DT properties supported by
ps8640 DSI-eDP converter.
Signed-off-by: Jitao Shi
Acked-by: Rob Herring
Reviewed-by: Philipp Zabel
---
Changes since v15:
- No change.
Changes since v14:
- change mode-sel-gpios as optional.
---
.../devicetree/bindings/display/bridge/ps8640
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