platform_get_resource() may fail and return NULL, so check it's value
before using it.
Reported-by: Zou Wei
Signed-off-by: Kevin Tang
Reviewed-by: Javier Martinez Canillas
Acked-by: Thomas Zimmermann
v1 -> v2:
- new patch
---
drivers/gpu/drm/sprd/sprd_dpu.c | 5 +
drivers/gpu/drm/s
'drm' could be null in sprd_drm_shutdown, and drm_warn maybe dereference
it, remove this warning log.
Reported-by: Dan Carpenter
Signed-off-by: Kevin Tang
Reviewed-by: Javier Martinez Canillas
Acked-by: Thomas Zimmermann
v1 -> v2:
- Split checking platform_get_resource() return va
LPER refers to a non-existing kconfig symbol.
Reported-by: Lukas Bulwahn
Signed-off-by: Kevin Tang
Reviewed-by: Javier Martinez Canillas
Acked-by: Thomas Zimmermann
Reviewed-by: Lukas Bulwahn
v1 -> v2:
- fix commit comments long lines issue and drop "On linux-next" comments
---
driv
he warning log
Kevin Tang (3):
drm/sprd: remove the selected DRM_KMS_CMA_HELPER in kconfig
drm/sprd: fix potential NULL dereference
drm/sprd: check the platform_get_resource() return value
drivers/gpu/drm/sprd/Kconfig| 1 -
drivers/gpu/drm/sprd/sprd_dpu.c | 5 +
drivers/gp
platform_get_resource() may fail and return NULL, so check it's value
before using it.
'drm' could be null in sprd_drm_shutdown, and drm_warn maybe dereference
it, remove this warning log.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/sprd/sprd_dpu.c | 3
MS_CMA_HELPER refers to a non-existing
kconfig symbol.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/sprd/Kconfig | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/gpu/drm/sprd/Kconfig b/drivers/gpu/drm/sprd/Kconfig
index 3edeaeca0..9a9c7ebfc 100644
-
v1:
remove the selected DRM_KMS_CMA_HELPER in kconfig
drm-sprd-fix-potential-NULL-dereference
Kevin Tang (2):
drm/sprd: remove the selected DRM_KMS_CMA_HELPER in kconfig
drm/sprd: fix potential NULL dereference
drivers/gpu/drm/sprd/Kconfig| 1 -
drivers/gpu/drm/sprd/sprd_dpu.c | 3
Dear Maarten,
I see it from the cgit.freedesktop.org, our sprd drivers seems has
been merged into drm-misc.
Now, what shall we do next?
BR,
Best wishes
Kevin Tang 于2021年12月7日周二 22:27写道：
>
> ChangeList:
> RFC v1:
> 1. only upstream modeset and atomic at first commit.
> 2. rem
Dear Wei,
Thank you for your notice. I have received it. I will be fix it later.
Best wishes
Zou Wei 于2021年12月14日周二 17:11写道：
>
> platform_get_resource() may fail and return NULL, so we should
> better check it's return value to avoid a NULL pointer dereference
> a bit later in the code.
>
>
Dear Dan,
Thank you for your notice. I have received it. I will be fix it later.
Best wishes
Dan Carpenter 于2021年12月15日周三 19:32写道：
>
> Hello Kevin Tang,
>
> This is a semi-automatic email about new static checker warnings.
>
> The patch 43531edd53f0: "drm/sprd: add Unisoc
instead of drm panel API.
- Register mipi_dsi_host on probe phase;
- Remove some unused function.
v8:
- Fix missing signed-off-by.
- Move component_add to dsi_host.attach callback.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/sprd/Kconfig |1
From: Kevin Tang
Adds MIPI DSI Controller
support for Unisoc's display subsystem.
v5:
- Remove panel_in port for dsi node.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../display/sprd/sprd,sharkl3-dsi-host.yaml | 88 +++
1
ode on mode_set_nofb
- Remove enable_irq and disable_irq function call.
- Remove drm_format_info function call.
v7:
- Remove iommu error interrupt handling function.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Maxime Ripard
---
drivers/gpu/drm/sprd/Kconfig|
From: Kevin Tang
DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
which transfers the image data from a video memory buffer to an internal
LCD interface.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../display/sprd/sprd
eep the selects sorted by alphabet for Kconfig.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/Kconfig | 2 +
drivers/gpu/drm/Makefile| 1 +
drivers/gpu/drm/sprd/Kconfig| 11 ++
drivers/gpu/drm/sprd/Makefile | 3 +
drivers/gpu/drm/s
From: Kevin Tang
The Unisoc DRM master device is a virtual device needed to list all
DPU devices or other display interface nodes that comprise the
graphics subsystem
Unisoc's display pipeline have several components as below
description, multi display controllers and corresponding physical
iables.
v7:
1. Fix codeing style issue by checkpatch.
2. Drop the pll registers structure define.
3. Use bridge API instead of drm panel API.
4. Register mipi_dsi_host on probe phase;
5. Remove iommu error interrupt handling function.
6. Remove some unused function.
v8:
1. Fix missing signed-off-by.
Maxime Ripard 于2021年12月3日周五 18:38写道：
>
> On Mon, Oct 25, 2021 at 05:34:18PM +0800, Kevin Tang wrote:
> > @@ -618,9 +619,25 @@ static void sprd_crtc_mode_set_nofb(struct drm_crtc
> > *crtc)
> > {
> > struct sprd_dpu *dpu = to_sprd_crtc(crtc);
> >
Maarten Lankhorst 于2021年11月30日周二 21:20写道：
>
> On 22-11-2021 10:34, Kevin Tang wrote:
> > Adds dsi host controller support for the Unisoc's display subsystem.
> > Adds dsi phy support for the Unisoc's display subsystem.
> > Only MIPI DSI Displays supported, DP
Maarten Lankhorst 于2021年11月26日周五 22:03写道：
>
> On 25-10-2021 11:34, Kevin Tang wrote:
> > Adds drm support for the Unisoc's display subsystem.
> >
> > This is drm kms driver, this driver provides support for the
> > application framework in Android, Yocto and more.
return ret;
+
+ return 0;
+}
+
+static void sprd_dsi_unbind(struct device *dev,
+ struct device *master, void *data)
+{
+ struct sprd_dsi *dsi = dev_get_drvdata(dev);
+
+ drm_of_panel_bridge_remove(dev->of_node, 1, 0);
+
+ drm_encoder_cleanup(>
ret = sprd_dsi_bridge_init(dsi, dev);
+ if (ret)
+ return ret;
+
+ ret = sprd_dsi_context_init(dsi, dev);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static void sprd_dsi_unbind(struct device *dev,
+ struct device *maste
From: Kevin Tang
Adds MIPI DSI Controller
support for Unisoc's display subsystem.
v5:
- Remove panel_in port for dsi node.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../display/sprd/sprd,sharkl3-dsi-host.yaml | 88 +++
1
ode on mode_set_nofb
- Remove enable_irq and disable_irq function call.
- Remove drm_format_info function call.
v7:
- Remove iommu error interrupt handling function.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/sprd/Kconfig| 1 +
drivers/gpu/drm/s
From: Kevin Tang
DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
which transfers the image data from a video memory buffer to an internal
LCD interface.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../display/sprd/sprd
test tool) and Android HWComposer.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
v4:
- Move the devm_drm_dev_alloc to master_ops->bind function.
- The managed drmm_mode_config_init() it is no longer necessary for drivers
to explicitly call drm_mode_config_cleanup, so del
From: Kevin Tang
The Unisoc DRM master device is a virtual device needed to list all
DPU devices or other display interface nodes that comprise the
graphics subsystem
Unisoc's display pipeline have several components as below
description, multi display controllers and corresponding physical
iables.
v7:
1. Fix codeing style issue by checkpatch.
2. Drop the pll registers structure define.
3. Use bridge API instead of drm panel API.
4. Register mipi_dsi_host on probe phase;
5. Remove iommu error interrupt handling function.
6. Remove some unused function.
Kevin Tang (6):
dt-bindi
Maxime Ripard 于2021年9月28日周二 下午5:28写道：
>
> On Sun, Sep 26, 2021 at 10:31:53PM +0800, Kevin Tang wrote:
> > Maxime Ripard 于2021年9月17日周五 下午11:40写道：
> > > > +static void sprd_dsi_encoder_mode_set(struct drm_encoder *encoder,
> > > > +
Sam,
Thanks for your response.
Sam Ravnborg 于2021年9月27日周一 上午12:33写道：
>
> Hi Kevin,
>
> > > > + reg->_0b.bits.out_sel = pll->out_sel;
> > > > + reg->_0b.bits.kint_l = pll->kint & 0xf;
> > > > + reg->_0e.bits.pll_pu_byp = 0;
> > > > + reg->_0e.bits.pll_pu = 0;
> > > > +
Maxime Ripard 于2021年9月28日周二 下午5:28写道：
>
> On Sun, Sep 26, 2021 at 10:31:53PM +0800, Kevin Tang wrote:
> > Maxime Ripard 于2021年9月17日周五 下午11:40写道：
> > > > +static void sprd_dsi_encoder_mode_set(struct drm_encoder *encoder,
> > > > +
Maxime Ripard 于2021年9月17日周五 下午11:40写道：
>
> On Fri, Aug 13, 2021 at 10:53:02PM +0800, Kevin Tang wrote:
> > Adds dsi host controller support for the Unisoc's display subsystem.
> > Adds dsi phy support for the Unisoc's display subsystem.
> > Only MIPI DSI Displa
Maxime Ripard 于2021年9月17日周五 下午10:58写道：
>
> Hi,
>
> On Fri, Aug 13, 2021 at 10:53:00PM +0800, Kevin Tang wrote:
> > Adds DPU(Display Processor Unit) support for the Unisoc's display
> > subsystem.
> > It's support multi planes, scaler, rotation, PQ(Picture
Adds dsi host controller support for the Unisoc's display subsystem.
Adds dsi phy support for the Unisoc's display subsystem.
Only MIPI DSI Displays supported, DP/TV/HMDI will be support
in the feature.
v1:
- Remove dphy and dsi graph binding, merge the dphy driver into the dsi.
v2:
- Use
From: Kevin Tang
Adds MIPI DSI Controller
support for Unisoc's display subsystem.
v5:
- Remove panel_in port for dsi node.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../display/sprd/sprd,sharkl3-dsi-host.yaml | 88 +++
1
ode on mode_set_nofb
- Remove enable_irq and disable_irq function call.
- Remove drm_format_info function call.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/sprd/Kconfig| 1 +
drivers/gpu/drm/sprd/Makefile | 3 +-
drivers/gpu/drm/sprd/sprd_dpu.c |
From: Kevin Tang
DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
which transfers the image data from a video memory buffer to an internal
LCD interface.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../display/sprd/sprd
test tool) and Android HWComposer.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
v4:
- Move the devm_drm_dev_alloc to master_ops->bind function.
- The managed drmm_mode_config_init() it is no longer necessary for drivers
to explicitly call drm_mode_config_cleanup, so del
From: Kevin Tang
The Unisoc DRM master device is a virtual device needed to list all
DPU devices or other display interface nodes that comprise the
graphics subsystem
Unisoc's display pipeline have several components as below
description, multi display controllers and corresponding physical
le and clear interrupts before register dpu IRQ
2. Init dpi config used by crtc_state->adjusted_mode on mode_set_nofb
3. Remove enable_irq and disable_irq function call.
4. Remove drm_format_info function call.
5. Redesign the way to access the dsi register.
6. Reduce the dsi_context member variab
Maxime Ripard 于2021年4月30日周五 下午5:22写道：
>
> On Sun, Apr 25, 2021 at 08:36:05PM +0800, Kevin Tang wrote:
> > Adds DPU(Display Processor Unit) support for the Unisoc's display
> > subsystem.
> > It's support multi planes, scaler, rotation, PQ(Picture Quality) and more.
> &g
Maxime Ripard 于2021年4月30日周五 下午5:35写道：
>
> Hi,
>
> On Sun, Apr 25, 2021 at 08:36:07PM +0800, Kevin Tang wrote:
> > Adds dsi host controller support for the Unisoc's display subsystem.
> > Adds dsi phy support for the Unisoc's display subsystem.
> > Only MIPI DSI
Cc Robin & Joerg
Maxime Ripard 于2021年4月30日周五 下午5:22写道：
>
> On Sun, Apr 25, 2021 at 08:36:05PM +0800, Kevin Tang wrote:
> > Adds DPU(Display Processor Unit) support for the Unisoc's display
> > subsystem.
> > It's support multi planes, scaler, rotation, PQ(Picture Q
-by for dsi patch.
- Use the mode_flags of mipi_dsi_device to setup crtc DPI and EDPI
mode.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/sprd/Kconfig |1 +
drivers/gpu/drm/sprd/Makefile|6 +-
drivers/gpu/drm/sprd/dsi_ctrl.c | 794
From: Kevin Tang
Adds MIPI DSI Controller
support for Unisoc's display subsystem.
v5:
- Remove panel_in port for dsi node.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../display/sprd/sprd,sharkl3-dsi-host.yaml | 88 +++
1
callback.
- Follow the OF-Graph bindings, use of_graph_get_port_by_id
instead of of_parse_phandle.
- Use zpos to represent the layer position.
- Rebase to last drm misc branch.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/sprd/Kconfig| 1 +
drivers
From: Kevin Tang
DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
which transfers the image data from a video memory buffer to an internal
LCD interface.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../display/sprd/sprd
eep the selects sorted by alphabet for Kconfig.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
drivers/gpu/drm/Kconfig | 2 +
drivers/gpu/drm/Makefile| 1 +
drivers/gpu/drm/sprd/Kconfig| 11 ++
drivers/gpu/drm/sprd/Makefile |
From: Kevin Tang
The Unisoc DRM master device is a virtual device needed to list all
DPU devices or other display interface nodes that comprise the
graphics subsystem
Unisoc's display pipeline have several components as below
description, multi display controllers and corresponding physical
ad of
of_parse_phandle.
6. Use zpos to represent the layer position.
7. Rebase to last drm misc branch.
8. Remove panel_in port for dsi node.
9. Drop the dsi ip file prefix.
10. Add Signed-off-by for dsi patch.
11. Use the mode_flags of mipi_dsi_device to setup crtc DPI and EDPI mode.
Kevin Tang (6
Hi,
Maxime Ripard 于2021年4月15日周四 下午5:03写道：
>
> Hi,
>
> On Thu, Apr 15, 2021 at 08:18:52AM +0800, Kevin Tang wrote:
> > Maxime Ripard 于2021年3月24日周三 下午7:10写道：
> > > > +static struct sprd_dpu *sprd_crtc_init(struct drm_device *drm,
> > > > +
Maxime Ripard 于2021年4月15日周四 下午4:42写道：
>
> On Fri, Apr 09, 2021 at 08:23:19AM +0800, Kevin Tang wrote:
> > Maxime Ripard 于2021年4月7日周三 下午6:46写道：
> >
> > > On Wed, Mar 31, 2021 at 09:49:14AM +0800, Kevin Tang wrote:
> > > > Hi Maxime,
> > >
Maxime Ripard 于2021年4月7日周三 下午6:48写道：
>
> On Wed, Mar 31, 2021 at 09:47:12AM +0800, Kevin Tang wrote:
> > > > diff --git a/drivers/gpu/drm/sprd/Makefile
> > > b/drivers/gpu/drm/sprd/Makefile
> > > > index 6c25bfa99..d49f4977b 100644
> > > > --- a/
Maxime Ripard 于2021年3月24日周三 下午7:10写道：
>
> Hi,
>
> On Mon, Feb 22, 2021 at 09:28:20PM +0800, Kevin Tang wrote:
> > Adds DPU(Display Processor Unit) support for the Unisoc's display subsystem.
> > It's support multi planes, scaler, rotation, PQ(Picture Quality) and more
Hi Thomas,
Thomas Zimmermann 于2021年4月8日周四 下午6:53写道：
> Hi,
>
> please see my comments below.
>
> Best regards
> Thomas
>
> Am 22.02.21 um 14:28 schrieb Kevin Tang:
> > Adds DPU(Display Processor Unit) support for the Unisoc's display
> subsystem.
> > It's
Hi Thomas,
First of all, thanks for comments.
Thomas Zimmermann 于2021年4月8日周四 下午6:21写道：
> Hi,
>
> I have just a few nits below plus the points that others made.
>
> Am 22.02.21 um 14:28 schrieb Kevin Tang:
> > Adds drm support for the Unisoc's display subsystem.
> >
Maxime Ripard 于2021年4月7日周三 下午6:45写道：
> Hi,
>
> Adding Jörg, Will and Robin,
>
> On Wed, Mar 31, 2021 at 09:21:19AM +0800, Kevin Tang wrote:
> > > > +static u32 check_mmu_isr(struct sprd_dpu *dpu, u32 reg_val)
> > > > +{
> > > > + struct
Maxime Ripard 于2021年4月7日周三 下午6:46写道：
> On Wed, Mar 31, 2021 at 09:49:14AM +0800, Kevin Tang wrote:
> > Hi Maxime,
> >
> > Maxime Ripard 于2021年3月24日周三 下午7:13写道：
> >
> > > On Mon, Feb 22, 2021 at 09:28:21PM +0800, Kevin Tang wrote:
> > > >
Hi Maxime,
Maxime Ripard 于2021年3月24日周三 下午7:13写道：
> On Mon, Feb 22, 2021 at 09:28:21PM +0800, Kevin Tang wrote:
> > From: Kevin Tang
> >
> > Adds MIPI DSI Controller
> > support for Unisoc's display subsystem.
> >
> > Cc: Orson Zhai
> > Cc:
Hi Maxime,
Maxime Ripard 于2021年3月24日周三 下午7:10写道：
> Hi,
>
> On Mon, Feb 22, 2021 at 09:28:20PM +0800, Kevin Tang wrote:
> > Adds DPU(Display Processor Unit) support for the Unisoc's display
> subsystem.
> > It's support multi planes, scaler, rotation, PQ(Picture Quality
Maxime Ripard 于2021年3月24日周三 下午6:53写道：
> Hi
>
> On Mon, Feb 22, 2021 at 09:28:18PM +0800, Kevin Tang wrote:
> > Adds drm support for the Unisoc's display subsystem.
> >
> > This is drm kms driver, this driver provides support for the
> > application fra
Hi Sam Ravnborg,
Do you have more comments about my patch?
Looking forward to your reply, thank you.
Kevin Tang 于2021年2月22日周一 下午9:28写道：
> Adds drm support for the Unisoc's display subsystem.
>
> This is drm kms driver, this driver provides support for the
> application framewor
Adds dsi host controller support for the Unisoc's display subsystem.
Adds dsi phy support for the Unisoc's display subsystem.
Only MIPI DSI Displays supported, DP/TV/HMDI will be support
in the feature.
v1:
- Remove dphy and dsi graph binding, merge the dphy driver into the dsi.
v2:
- Use
Adds DPU(Display Processor Unit) support for the Unisoc's display subsystem.
It's support multi planes, scaler, rotation, PQ(Picture Quality) and more.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
v2:
- Use drm_xxx to replace all DRM_XXX.
- Use kzalloc to replace
From: Kevin Tang
Adds MIPI DSI Controller
support for Unisoc's display subsystem.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../display/sprd/sprd,sharkl3-dsi-host.yaml | 102 ++
1 file changed, 102 insertions(+)
create mode
From: Kevin Tang
DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
which transfers the image data from a video memory buffer to an internal
LCD interface.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../display/sprd/sprd
From: Kevin Tang
The Unisoc DRM master device is a virtual device needed to list all
DPU devices or other display interface nodes that comprise the
graphics subsystem
Unisoc's display pipeline have several components as below
description, multi display controllers and corresponding physical
test tool) and Android HWComposer.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
v4:
- Move the devm_drm_dev_alloc to master_ops->bind function.
- The managed drmm_mode_config_init() it is no longer necessary for drivers
to explicitly call drm_mode_config_cleanup, so del
m_dev_alloc to master_ops->bind function.
2. The managed drmm_mode_config_init() it is no longer necessary for drivers to
explicitly call drm_mode_config_cleanup, so delete it.
3. Use drmm_helpers to allocate crtc ,planes and encoder.
4. Move allocate crtc ,planes, encoder to bind funtion.
5. Move ro
Robin Murphy 于2021年2月16日周二 下午10:22写道：
> On 2021-01-05 13:46, Kevin Tang wrote:
> > Adds DPU(Display Processor Unit) support for the Unisoc's display
> subsystem.
> > It's support multi planes, scaler, rotation, PQ(Picture Quality) and
> more.
> >
> > Cc:
Daniel Vetter 于2021年2月3日周三 下午10:23写道：
> On Tue, Jan 05, 2021 at 09:46:05PM +0800, Kevin Tang wrote:
> > Adds DPU(Display Processor Unit) support for the Unisoc's display
> subsystem.
> > It's support multi planes, scaler, rotation, PQ(Picture Quality) and
> more.
> >
Daniel Vetter 于2021年2月3日周三 下午10:15写道：
> On Tue, Jan 05, 2021 at 09:46:05PM +0800, Kevin Tang wrote:
> > Adds DPU(Display Processor Unit) support for the Unisoc's display
> subsystem.
> > It's support multi planes, scaler, rotation, PQ(Picture Quality) and
> more.
> >
Daniel Vetter 于2021年2月3日周三 下午10:15写道：
> On Tue, Jan 05, 2021 at 09:46:05PM +0800, Kevin Tang wrote:
> > Adds DPU(Display Processor Unit) support for the Unisoc's display
> subsystem.
> > It's support multi planes, scaler, rotation, PQ(Picture Quality) and
> more.
> >
Hi Daniel,
Do you have some more comments for our patch?
Kevin Tang 于2021年1月5日周二 下午9:46写道：
> ChangeList:
> RFC v1:
> 1. only upstream modeset and atomic at first commit.
> 2. remove some unused code;
> 3. use alpha and blend_mode properties;
> 3. add yaml support;
> 4.
Adds dsi host controller support for the Unisoc's display subsystem.
Adds dsi phy support for the Unisoc's display subsystem.
Only MIPI DSI Displays supported, DP/TV/HMDI will be support
in the feature.
v1:
- Remove dphy and dsi graph binding, merge the dphy driver into the dsi.
v2:
- Use
. Add commit messages for Unisoc's virtual nodes.
v2:
1. Use drm_xxx to replace all DRM_XXX.
2. Use kzalloc to replace devm_kzalloc for sprd_dsi/sprd_dpu structure init.
3. Remove dpu_core_ops midlayer.
v3:
1. Remove dpu_layer midlayer and commit layers by aotmic_update
Kevin Tang (6):
dt-bindin
test tool) and Android HWComposer.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/Kconfig | 2 +
drivers/gpu/drm/Makefile| 1 +
drivers/gpu/drm/sprd/Kconfig| 12 +++
drivers/gpu/drm/sprd/Makefile | 5 +
drivers/gpu/drm/sprd/sprd_drm.c
From: Kevin Tang
Adds MIPI DSI Controller
support for Unisoc's display subsystem.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../display/sprd/sprd,sharkl3-dsi-host.yaml| 102 +
1 file changed, 102 insertions
Adds DPU(Display Processor Unit) support for the Unisoc's display subsystem.
It's support multi planes, scaler, rotation, PQ(Picture Quality) and more.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
v2:
- Use drm_xxx to replace all DRM_XXX.
- Use kzalloc to replace
From: Kevin Tang
The Unisoc DRM master device is a virtual device needed to list all
DPU devices or other display interface nodes that comprise the
graphics subsystem
Unisoc's display pipeline have several components as below
description, multi display controllers and corresponding physical
From: Kevin Tang
DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
which transfers the image data from a video memory buffer to an internal
LCD interface.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../bindings/display
test tool) and Android HWComposer.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/Kconfig | 2 +
drivers/gpu/drm/Makefile| 1 +
drivers/gpu/drm/sprd/Kconfig| 12 +++
drivers/gpu/drm/sprd/Makefile | 5 +
drivers/gpu/drm/sprd/sprd_drm.c
From: Kevin Tang
DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
which transfers the image data from a video memory buffer to an internal
LCD interface.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../bindings/display
From: Kevin Tang
The Unisoc DRM master device is a virtual device needed to list all
DPU devices or other display interface nodes that comprise the
graphics subsystem
Unisoc's display pipeline have several components as below
description, multi display controllers and corresponding physical
drm_xxx to replace all DRM_XXX.
- Use kzalloc to replace devm_kzalloc for sprd_dsi structure init.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/sprd/Makefile |8 +-
drivers/gpu/drm/sprd/dw_dsi_ctrl.c | 794 +
drivers/gpu/drm
Adds DPU(Display Processor Unit) support for the Unisoc's display subsystem.
It's support multi planes, scaler, rotation, PQ(Picture Quality) and more.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
v2:
- Use drm_xxx to replace all DRM_XXX.
- Use kzalloc to replace
. Add commit messages for Unisoc's virtual nodes.
v2:
1. Use drm_xxx to replace all DRM_XXX.
2. Use kzalloc to replace devm_kzalloc for sprd_dsi/sprd_dpu structure init.
Kevin Tang (6):
dt-bindings: display: add Unisoc's drm master bindings
drm/sprd: add Unisoc's drm kms master
dt-bindings: dis
From: Kevin Tang
Adds MIPI DSI Controller
support for Unisoc's display subsystem.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
Reviewed-by: Rob Herring
---
.../display/sprd/sprd,sharkl3-dsi-host.yaml| 107 +
1 file changed, 107 insertions
From: Kevin Tang
Adds MIPI DSI Controller
support for Unisoc's display subsystem.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
.../display/sprd/sprd,sharkl3-dsi-host.yaml| 107 +
1 file changed, 107 insertions(+)
create mode 100644
test tool) and Android HWComposer.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/Kconfig | 2 +
drivers/gpu/drm/Makefile| 1 +
drivers/gpu/drm/sprd/Kconfig| 12 +++
drivers/gpu/drm/sprd/Makefile | 5 +
drivers/gpu/drm/sprd/sprd_drm.c
for sprd drtc driver, but dpu_layer need to
keeping.
Because all the HW update in crtc->atomic_flush, we need temporary storage
all layers for
the dpu pageflip of atomic_flush.
2. Add ports subnode with port@X.
v1:
1. Remove dphy and dsi graph binding, merge the dphy driver into the dsi.
2
Adds DPU(Display Processor Unit) support for the Unisoc's display subsystem.
It's support multi planes, scaler, rotation, PQ(Picture Quality) and more.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/sprd/Kconfig| 1 +
drivers/gpu/drm/sprd/Makefile | 6
From: Kevin Tang
The Unisoc DRM master device is a virtual device needed to list all
DPU devices or other display interface nodes that comprise the
graphics subsystem
Unisoc's display pipeline have several components as below
description, multi display controllers and corresponding physical
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/sprd/Makefile |8 +-
drivers/gpu/drm/sprd/dw_dsi_ctrl.c | 792 +
drivers/gpu/drm/sprd/dw_dsi_ctrl.h | 1475
drivers/gpu/drm/sprd/dw_dsi_ctrl_ppi.c | 275
From: Kevin Tang
DPU (Display Processor Unit) is the Display Controller for the Unisoc SoCs
which transfers the image data from a video memory buffer to an internal
LCD interface.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
.../bindings/display/sprd/sprd,sharkl3-dpu.yaml
Hi Rob,
Rob Herring 于2020年12月1日周二 上午4:31写道：
> On Mon, Nov 30, 2020 at 7:29 AM Kevin Tang wrote:
> >
> > From: Kevin Tang
> >
> > Adds MIPI DSI Master and MIPI DSI-PHY (D-PHY)
> > support for Unisoc's display subsystem.
> >
> > Cc: Orson Zhai
&g
From: Kevin Tang
Adds MIPI DSI Master and MIPI DSI-PHY (D-PHY)
support for Unisoc's display subsystem.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
.../display/sprd/sprd,sharkl3-dsi-host.yaml| 107 +
.../display/sprd/sprd,sharkl3-dsi-phy.yaml
test tool) and Android HWComposer.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/Kconfig | 2 +
drivers/gpu/drm/Makefile| 1 +
drivers/gpu/drm/sprd/Kconfig| 12 +++
drivers/gpu/drm/sprd/Makefile | 5 +
drivers/gpu/drm/sprd/sprd_drm.c
Adds dsi host controller support for the Unisoc's display subsystem.
Adds dsi phy support for the Unisoc's display subsystem.
Only MIPI DSI Displays supported, DP/TV/HMDI will be support
in the feature.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/sprd
Adds DPU(Display Processor Unit) support for the Unisoc's display subsystem.
It's support multi planes, scaler, rotation, PQ(Picture Quality) and more.
Cc: Orson Zhai
Cc: Chunyan Zhang
Signed-off-by: Kevin Tang
---
drivers/gpu/drm/sprd/Kconfig| 1 +
drivers/gpu/drm/sprd/Makefile | 6
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