From: xinlei lee
The order of probe function for bridge drivers and dsi drivers is uncertain.
To avoid the dsi probe cannot be executed, we place getting bridge node
function in
mtk_dsi_bind.
Signed-off-by:Xinlei Lee
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 29 +++--
1
From: xinlei lee
The modification is based on avoiding screen shift:
https://patchwork.kernel.org/project/linux-mediatek/cover/20220114092110.12137-1-rex-bc.c...@mediatek.com/
xinlei lee (3):
dt-bindings: display: mediatek: dsi: add documentation for MT8186 SoC
drm/mediatek: Add mt8186 dsi c
From: xinlei lee
Add the compatible of mt8186-dsi because we use different cmdq addresses in
mt8186.
Signed-off-by: Xinlei Lee
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 8
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
b/drivers/gpu/drm/mediatek/mtk_
From: xinlei lee
Add binding documentation for the MT8186 SoC.
Signed-off-by: Xinlei Lee
---
Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git
a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.
From: Xinlei Lee
Base on the branch of ck-linux-next/mediatek-drm-fixes.
Changes since v6:
1. Different from other ICs, when mt8186 DPI changes the output format,
the mmsys_base+400 register needs to be set to be valid at the same
time.
In this series, all the situations that mmsys need to be
From: Xinlei Lee
Add the compatible because use edge_cfg_in_mmsys in mt8186.
Signed-off-by: Xinlei Lee
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++
2 files changed, 23 insertions(+)
diff --git a/drivers/gpu/drm/mediatek
From: Xinlei Lee
Due to the mt8186 hardware changes, we need to modify the dpi output
format corresponding to the mmsys register(mmsys_base+0x400).
Because different sink ICs may support other output formats.
The current DRM architecture supports retrieving the output format of
all bridges (eg
From: Xinlei Lee
The difference between MT8186 and other ICs is that when modifying the
output format, we need to modify the mmsys_base+0x400 register to take
effect.
So when setting the dpi output format, we need to call mmsys_func to set
it to MT8186 synchronously.
Co-developed-by: Jitao Shi
From: Xinlei Lee
Base on the branch of ck-linux-next/mediatek-drm-fixes.
Changes since v7:
1. This series is based on the following patch:
[1] soc: mediatek: Add mmsys func to adapt to dpi output for MT8186
https://patchwork.kernel.org/project/linux-mediatek/patch/1663161662-1598-2-git-se
From: Xinlei Lee
The difference between MT8186 and other ICs is that when modifying the
output format, we need to modify the mmsys_base+0x400 register to take
effect.
So when setting the dpi output format, we need to call mmsys_func to set
it to MT8186 synchronously.
Adding mmsys all the settings
From: Xinlei Lee
Add the compatible because use edge_cfg_in_mmsys in mt8186.
Signed-off-by: Xinlei Lee
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++
2 files changed, 23 insertions(+)
diff --git a/drivers/gpu/drm/mediatek
From: Xinlei Lee
Due to the mt8186 hardware changes, we need to modify the dpi output
format corresponding to the mmsys register(mmsys_base+0x400).
Because different sink ICs may support other output formats.
The current DRM architecture supports retrieving the output format of
all bridges (eg
From: xinlei lee
Add dt-binding documentation of dpi for MediaTek MT8188 SoC.
Signed-off-by: xinlei lee
---
Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git
a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.
From: Xinlei Lee
Add the compatible because use edge_cfg_in_mmsys in mt8186.
Signed-off-by: Xinlei Lee
Reviewed-by: CK Hu
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++
2 files changed, 23 insertions(+)
diff --git a/driv
From: Xinlei Lee
The difference between MT8186 and other ICs is that when modifying the
output format, we need to modify the mmsys_base+0x400 register to take
effect.
So when setting the dpi output format, we need to call mmsys_func to set
it to MT8186 synchronously.
Adding mmsys all the settings
From: Xinlei Lee
Base on the branch of ck-linux-next/mediatek-drm-fixes.
Change since v8:
1. Modified the title and some description information.
Changes since v7:
1. This series is based on the following patch:
[1] soc: mediatek: Add mmsys func to adapt to dpi output for MT8186
https://
From: Xinlei Lee
Due to the mt8186 hardware changes, we need to modify the dpi output
format corresponding to the mmsys register(mmsys_base+0x400).
Co-developed-by: Jitao Shi
Signed-off-by: Jitao Shi
Signed-off-by: Xinlei Lee
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 11 +++
1 file ch
From: Xinlei Lee
Base on the branch of ck-linux-next/mediatek-drm-fixes.
Change since v9:
1. Modify the location of the mmsys_dev member variable.
Change since v8:
1. Modified the title and some description information.
Changes since v7:
1. This series is based on the following patch:
[1] s
From: Xinlei Lee
The difference between MT8186 and other ICs is that when modifying the
output format, we need to modify the mmsys_base+0x400 register to take
effect.
So when setting the dpi output format, we need to call mmsys_func to set
it to MT8186 synchronously.
Adding mmsys all the settings
From: Xinlei Lee
Add the compatible because use edge_cfg_in_mmsys in mt8186.
Signed-off-by: Xinlei Lee
Reviewed-by: CK Hu
Reviewed-by: AngeloGioacchino Del Regno
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++
2 files ch
From: Xinlei Lee
Dpi output needs to adjust the output format to dual edge for MT8186.
Co-developed-by: Jitao Shi
Signed-off-by: Jitao Shi
Signed-off-by: Xinlei Lee
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 11 +++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/mediate
From: Xinlei Lee
From: Xinlei Lee
Base on the branch of ck-linux-next/mediatek-drm-fixes.
Change since v10:
1. Modify patch title and add review tag.
Change since v9:
1. Modify the location of the mmsys_dev member variable.
Change since v8:
1. Modified the title and some description informat
From: Xinlei Lee
The difference between MT8186 and other ICs is that when modifying the
output format, we need to modify the mmsys_base+0x400 register to take
effect.
So when setting the dpi output format, we need to call mmsys_func to set
it to MT8186 synchronously.
Adding mmsys all the settings
From: Xinlei Lee
Dpi output needs to adjust the output format to dual edge for MT8186.
Co-developed-by: Jitao Shi
Signed-off-by: Jitao Shi
Signed-off-by: Xinlei Lee
Reviewed-by: CK Hu
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 11 +++
1 file changed, 11 insertions(+)
diff --git a/dri
From: Xinlei Lee
Add the compatible because use edge_cfg_in_mmsys in mt8186.
Signed-off-by: Xinlei Lee
Reviewed-by: CK Hu
Reviewed-by: AngeloGioacchino Del Regno
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++
2 files ch
From: Xinlei Lee
The panel spec stipulates that after lcm_reset is pulled high, cmd
should be sent to initialize the panel. Within the allowable range of
the DSI spec, this time needs to be reduced to avoid panel exceptions.
Base on the branch of linus/master v6.2.
Change since v2:
1. Remove th
From: Xinlei Lee
Reduce the delay after LCM reset by removing an extra delay in the
initialization commands array. The required delay of at least 6ms after
reset is guaranteed by boe_panel_prepare().
Signed-off-by: Xinlei Lee
---
drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 1 -
1 file cha
From: Xinlei Lee
For "boe,tv105wum-nw0" this special panel, it is stipulated in
the panel spec that MIPI needs to keep the LP11 state before
the lcm_reset pin is pulled high.
Signed-off-by: Xinlei Lee
---
drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 6 ++
1 file changed, 6 insertions(+
From: Xinlei Lee
The difference between MT8186 and other ICs is that when modifying the
output format, we need to modify the mmsys_base+0x400 register to take
effect.
So when setting the dpi output format, we need to call mmsys_func to set
it to MT8186 synchronously.
Adding mmsys all the settings
From: Xinlei Lee
Dpi output needs to adjust the output format to dual edge for MT8186.
Co-developed-by: Jitao Shi
Signed-off-by: Jitao Shi
Signed-off-by: Xinlei Lee
Reviewed-by: CK Hu
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 11 +++
1 file changed, 11 insertions(+)
diff --git a/dri
From: Xinlei Lee
Base on the branch of linus/master v6.1 rc1.
Change since v11:
1. Rebase on v6.1-rc1. Change nothing.
Change since v10:
1. Modify patch title and add review tag.
Change since v9:
1. Modify the location of the mmsys_dev member variable.
Change since v8:
1. Modified the title a
From: Xinlei Lee
Add the compatible because use edge_cfg_in_mmsys in mt8186.
Signed-off-by: Xinlei Lee
Reviewed-by: CK Hu
Reviewed-by: AngeloGioacchino Del Regno
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++
2 files ch
From: Xinlei Lee
Modify dpi power on/off sequence so that the first gpio operation will take
effect.
Fixes: 6bd4763fd532 ("drm/mediatek: set dpi pin mode to gpio low to avoid
leakage current")
Signed-off-by: Xinlei Lee
---
change note:
v1: Rebase on linus/master v6.1-rc1. Change nothing.
Be
From: Xinlei Lee
Modify dpi power on/off sequence so that the first gpio operation will take
effect.
Fixes: 6bd4763fd532 ("drm/mediatek: set dpi pin mode to gpio low to avoid
leakage current")
Signed-off-by: Xinlei Lee
---
change note:
v2: Remove the empty line between Fixes: and S-o-b.
v1:
From: xinlei lee
Rebase on linus/master v6.1-rc1.
xinlei lee (2):
dt-bindings: display: mediatek: dpi: Add compatible for MediaTek
MT8188
drm: mediatek: Add mt8188 dpi compatibles and platform data
.../bindings/display/mediatek/mediatek,dpi.yaml | 1 +
drivers/gpu/drm/mediatek
From: xinlei lee
For MT8188, the vdosys0 only supports 1T1P mode while the vdosys0 supports 2T1P
mode in MT8195.
So we need to add dt-binding documentation of dpi for MediaTek MT8188 SoC.
Signed-off-by: xinlei lee
---
Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml | 1 +
From: xinlei lee
For MT8188, the vdosys0 only supports 1T1P mode, so we need to add the
compatible for mt8188 edp-intf.
Signed-off-by: xinlei lee
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 17 +
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++
2 files changed, 19 insertions(+
From: xinlei lee
Rebase on linus/master v6.1-rc1.
change note:
v1: Modify variable name.
xinlei lee (2):
dt-bindings: display: mediatek: dpi: Add compatible for MediaTek
MT8188
drm: mediatek: Add mt8188 dpi compatibles and platform data
.../bindings/display/mediatek/mediatek,dpi.yaml
From: xinlei lee
For MT8188, the vdosys0 only supports 1T1P mode, so we need to add the
compatible for mt8188 edp-intf.
Signed-off-by: xinlei lee
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 17 +
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++
2 files changed, 19 insertions(+
From: xinlei lee
For MT8188, the vdosys0 only supports 1T1P mode while the vdosys0 supports 2T1P
mode in MT8195.
So we need to add dt-binding documentation of dpi for MediaTek MT8188 SoC.
Signed-off-by: xinlei lee
---
Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml | 1 +
From: Xinlei Lee
Base on the branch of linus/master v6.1 rc1.
Change since v12:
1. Add MT8186_ prefix to variables added in mt8186-mmsys.h file.
Change since v11:
1. Rebase on v6.1-rc1. Change nothing.
Change since v10:
1. Modify patch title and add review tag.
Change since v9:
1. Modify the
From: Xinlei Lee
The difference between MT8186 and other ICs is that when modifying the
output format, we need to modify the mmsys_base+0x400 register to take
effect. So when setting the dpi output format, we need to call
mtk_mmsys_ddp_dpi_fmt_config to set it to MT8186 synchronously.
Commit
From: Xinlei Lee
Add the compatible because use edge_cfg_in_mmsys in mt8186.
Signed-off-by: Xinlei Lee
Reviewed-by: CK Hu
Reviewed-by: AngeloGioacchino Del Regno
Reviewed-by: N??colas F. R. A. Prado
---
drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +
drivers/gpu/drm/medi
From: Xinlei Lee
Dpi output needs to adjust the output format to dual edge for MT8186.
Co-developed-by: Jitao Shi
Signed-off-by: Jitao Shi
Signed-off-by: Xinlei Lee
Reviewed-by: CK Hu
Reviewed-by: AngeloGioacchino Del Regno
Reviewed-by: N??colas F. R. A. Prado
---
drivers/gpu/drm/mediate
From: Xinlei Lee
Modify dpi power on/off sequence so that the first gpio operation will take
effect.
Fixes: 6bd4763fd532 ("drm/mediatek: set dpi pin mode to gpio low to avoid
leakage current")
Signed-off-by: Xinlei Lee
---
change note:
v3: Moved pull-down pin control after mtk_dpi_power_off.
From: Xinlei Lee
According to Figure 16 Turnaround Procedure on page 36 in [1], you
can see the status of LP-00 -> LP10 -> LP11. This state can correspond
to the state of DSI from LP00 -> LP11 in mtk_dsi_lane_ready function
in mtk_dsi.c.
LP-00 -> LP10 -> LP11 takes about 2*TLPX time (refer to [1
From: Xinlei Lee
Since the panel spec stipulates that the time from lcm_reset to DSI to
send the initial code should be greater than 6ms and less than 40ms,
so reduce the delay before sending the initial code and avoid panel
exceptions.
Fixes: a869b9db7adf ("drm/panel: support for boe tv101wum-n
From: Xinlei Lee
The panel spec stipulates that after lcm_reset is pulled high, cmd
should be sent to initialize the panel. Within the allowable range of
the DSI spec, this time needs to be reduced to avoid panel exceptions.
Xinlei Lee (2):
drm/mediatek: dsi: Reduce the time of dsi from LP11 t
From: Xinlei Lee
The panel spec stipulates that after lcm_reset is pulled high, cmd
should be sent to initialize the panel. Within the allowable range of
the DSI spec, this time needs to be reduced to avoid panel exceptions.
Base on the branch of linus/master v6.2.
Change since v1:
1. Added fin
From: Xinlei Lee
Since the panel spec stipulates that the time from lcm_reset to DSI to
send the initial code should be greater than 6ms and less than 40ms,
so reduce the delay before sending the initial code and avoid panel
exceptions.
Fixes: a869b9db7adf ("drm/panel: support for boe tv101wum-n
From: Xinlei Lee
For "boe,tv105wum-nw0" this special panel, it is stipulated in the
panel spec that MIPI needs to keep the LP11 state before the
lcm_reset pin is pulled high.
Signed-off-by: Xinlei Lee
---
drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 6 ++
1 file changed, 6 insertions
From: Xinlei Lee
According to Figure 16 Turnaround Procedure on page 36 in [1], you
can see the status of LP-00 -> LP10 -> LP11. This state can correspond
to the state of DSI from LP00 -> LP11 in mtk_dsi_lane_ready function
in mtk_dsi.c.
LP-00 -> LP10 -> LP11 takes about 2*TLPX time (refer to [1
From: Xinlei Lee
Add dt-binding documentation of dp-tx for MediaTek MT8188 SoC.
Mainly add the following two flag:
1.The audio packet arrangement function is to only arrange audio
packets into the Hblanking area. In order to align with the HW
default setting of g1200, this function needs to be t
From: Xinlei Lee
Add dt-binding documentation of dp-tx for MediaTek MT8188 SoC.
Signed-off-by: Xinlei Lee
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dp.yaml| 1 +
1 file changed, 1 insertion(+)
diff --git
a/Documentation/devicetree/bindings/displa
From: Xinlei Lee
Mainly add the following two flag:
1.The audio packet arrangement function is to only arrange audio
packets into the Hblanking area. In order to align with the HW
default setting of g1200, this function needs to be turned off.
2.Due to the difference of HW, different dividers n
From: Xinlei Lee
Add dt-binding documentation of dsi for MediaTek MT8188 SoC.
Signed-off-by: Xinlei Lee
Signed-off-by: Jitao Shi
---
.../devicetree/bindings/display/mediatek/mediatek,dsi.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git
a/Documentation/devicetree/bindings/display/
From: Xinlei Lee
For mt8188, add dsi cmdq reg control to send long packets to panel
initialization.
Signed-off-by: Xinlei Lee
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_dsi.c | 12
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c
From: Xinlei Lee
Add dt-binding documentation of DSI for MediaTek MT8188 SoC.
Because of the difference between SOC and DSI cmd packet control, for
MT8188, it is necessary to increase the DSI_CMDQ_SIZE control when
sending long packets to initialize the panel. Of course, this will not
affect the
From: Xinlei Lee
Add the compatible because there are different definitions for cmdq
register bit control in mt8188.
Signed-off-by: Xinlei Lee
Signed-off-by: Jitao Shi
---
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++
drivers/gpu/drm/mediatek/mtk_dsi.c | 8
2 files changed, 10 i
From: Xinlei Lee
DP 1.4a Section 2.8.7.1.5.6.1:
A DP Source device shall retry at least seven times upon receiving
AUX_DEFER before giving up the AUX transaction.
The drm_dp_i2c_do_msg() function in the drm_dp_helper.c file will
judge the status of the msg->reply parameter passed to aux_transfer
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