Hi Dmitry
I have reviewed the series , some patches completely , some of them
especially the plane to sspp mapping is something i still need to check.
But I had one question on the design.
I thought we were going to have a boot param to control whether driver
will internally use both
From: Rob Clark
In the cause of using the GPU via virtgpu, the host side process is
really a sort of proxy, and not terribly interesting from the PoV of
crash/fault logging. Add a way to override these per process so that
we can see the guest process's name.
Signed-off-by: Rob Clark
---
From: Rob Clark
Deduplicate this from fault_worker and recover_worker.
Signed-off-by: Rob Clark
---
drivers/gpu/drm/msm/msm_gpu.c | 32
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_gpu.c
From: Rob Clark
The 64b value field is already suffient to hold a pointer instead of
immediate, but we also need a length field.
Signed-off-by: Rob Clark
---
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 12 ++--
drivers/gpu/drm/msm/adreno/adreno_gpu.h | 4 ++--
From: Rob Clark
Add a way to override comm/cmdline per-drm_file. This is useful for
VM scenarios where the host process is just a proxy for the actual
guest process.
Rob Clark (3):
drm/msm: Add support for pointer params
drm/msm: Split out helper to get comm/cmdline
drm/msm: Add a way to
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For vendors drivers which pass an already allocated and
initialized encoder especially for cases where the encoder
hardware is shared OR the writeback encoder shares the resources
with the rest of the display pipeline introduce a new API,
drm_writeback_connector_init_with_encoder() which expects
vc4 driver currently embeds the drm_encoder into struct vc4_txp
and later on uses container_of to retrieve the vc4_txp from
the drm_encoder.
Since drm_encoder has now been made a pointer inside
drm_writeback_connector, make vc4 driver use the new API
so that the embedded encoder model can be
For some vendor driver implementations, display hardware can
be shared between the encoder used for writeback and the physical
display.
In addition resources such as clocks and interrupts can
also be shared between writeback and the real encoder.
To accommodate such vendor drivers and hardware,
There are some vendor drivers for which the writeback encoder shares
hardware resources such as clocks and interrupts with the rest of the
display pipeline. In addition, there can be use-cases where the
writeback encoder could be a shared encoder between the physical display
path and the writeback
Some eDP sinks or platform boards will not support hpd.
This patch adds support for those cases.
Signed-off-by: Sankeerth Billakanti
---
drivers/gpu/drm/msm/dp/dp_catalog.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c
The panel-edp driver modes needs to be validated differently from DP
because the link capabilities are not available for EDP by that time.
Signed-off-by: Sankeerth Billakanti
---
drivers/gpu/drm/msm/dp/dp_display.c | 6 ++
1 file changed, 6 insertions(+)
diff --git
The panel-edp enables the eDP panel power during probe, get_modes
and enable. The eDP connect and disconnect interrupts for the eDP/DP
controller are directly dependent on panel power. As eDP display can be
assumed as always connected, the controller driver can skip the eDP
connect and
The source device should ensure the sink is ready before
proceeding to read the sink capability or performing any aux transactions.
The sink will indicate its readiness by asserting the HPD line.
The eDP sink requires power from the source and its HPD line will
be asserted only
This patch adds support for generic eDP sink through aux_bus.
The eDP/DP controller driver should support aux transactions originating
from the panel-edp driver and hence should be initialized and ready.
The panel bridge supporting the panel should be ready before
the bridge
Add panel identification entry for the sharp LQ140M1JW46 eDP panel
with power sequencing delay information.
Signed-off-by: Sankeerth Billakanti
---
drivers/gpu/drm/panel/panel-edp.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/panel/panel-edp.c
Enable backlight support for eDP panel on CRD platform for sc7280.
Signed-off-by: Sankeerth Billakanti
---
Changes in v5:
- Separate out backlight nodes
arch/arm64/boot/dts/qcom/sc7280-crd.dts | 18 ++
1 file changed, 18 insertions(+)
diff --git
Enable support for eDP interface via aux_bus on CRD platform.
Signed-off-by: Sankeerth Billakanti
---
Changes in v5:
- Change the order of patches
- Remove the backlight nodes
- Remove the bias setting
- Fix compilation issue
- Model VREG_EDP_BP for backlight power
Changes in v4:
-
Rename the edp_out label in the sc7280 platform to mdss_edp_out
so that the nodes related to mdss are all grouped together in
the board specific files.
Signed-off-by: Sankeerth Billakanti
---
Changes in v5:
- Change the order of patches
- Modify commit text
This series adds support for eDP on sc7280 CRD platform.
These changes are dependent on the following series in order:
https://patchwork.kernel.org/project/linux-arm-msm/list/?series=620127=*
https://patchwork.kernel.org/project/linux-arm-msm/list/?series=616587=*
On 3/16/2022 12:31 AM, Dmitry Baryshkov wrote:
On 16/03/2022 03:28, Abhinav Kumar wrote:
On 3/3/2022 7:21 PM, Dmitry Baryshkov wrote:
MSM DRM driver already allows one to compile out the DP or DSI support.
Add support for disabling other features like MDP4/MDP5/DPU drivers or
direct HDMI
> Subject: Re: [RFC PATCH v2 4/5] drm/msm/dp: replace dp_connector with
> drm_bridge_connector
> Date: Wed, 23 Feb 2022 16:40:56 -0800
> From: Kuogee Hsieh
> To: Stephen Boyd , Dmitry Baryshkov
>
> CC: Abhinav Kumar , Bjorn Andersson
> , Rob Clark , Sean Paul
> , David Airlie , Daniel Vetter
> ,
> Subject: [RFC PATCH v2 5/5] drm/msm/dp: remove extra wrappers and
> public functions
> Date: Sat, 12 Feb 2022 01:40:06 +0300
> From: Dmitry Baryshkov
> To: Bjorn Andersson , Rob Clark
> , Sean Paul , Abhinav Kumar
> , Kuogee Hsieh
> CC: Stephen Boyd , David Airlie ,
> Daniel Vetter ,
Hi Dmitry
On 3/16/2022 12:40 AM, Dmitry Baryshkov wrote:
Hi Abhinav,
On 16/03/2022 02:11, Abhinav Kumar wrote:
There are some vendor drivers for which the writeback encoder shares
hardware resources such as clocks and interrupts with the rest of the
display pipeline. In addition, there can be
On 15/03/2022 13:07, Vinod Polimera wrote:
- Some DPU versions support inline rot90. It is supported only for
limited amount of UBWC formats.
- There are two versions of inline rotators, v1 (present on sm8250 and
sm7250) and v2 (sc7280). These versions differ in the list of supported
formats and
Hi Abhinav,
On 16/03/2022 02:11, Abhinav Kumar wrote:
There are some vendor drivers for which the writeback encoder shares
hardware resources such as clocks and interrupts with the rest of the
display pipeline. In addition, there can be use-cases where the
writeback encoder could be a shared
On 16/03/2022 03:28, Abhinav Kumar wrote:
On 3/3/2022 7:21 PM, Dmitry Baryshkov wrote:
MSM DRM driver already allows one to compile out the DP or DSI support.
Add support for disabling other features like MDP4/MDP5/DPU drivers or
direct HDMI output support.
Suggested-by: Stephen Boyd
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