After read the link rate from MST hub, align with
maximum source rate.
Signed-off-by: Koba Ko
---
drivers/gpu/drm/drm_dp_mst_topology.c | 8
drivers/gpu/drm/i915/display/intel_dp.c | 7 +++
include/drm/drm_dp_helper.h | 8
include/drm/drm_dp_mst_helper.h
As per DP-1.3, First check DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT.
If DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT is 1,read the DP_DP13_DPCD_REV to
get the faster capability.
If DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT is 0,read DP_DPCD_REV.
Signed-off-by: Koba Ko
Reviewed-by: Lyude Paul
[added aux
This reverts commit ad44c03208e46b83e4ae3269e32c9e524aa71cf8.
Currently DRM driver assume the source device caps is higher than the MST device
caps. With this commit, this statement would be broken.
e.g. the source device only support DP1.2 and the mst device support DP1.4.
Signed-off-by: Koba
print the name of the AUX adapter
> in question. I don't mind just adding that myself before I push it though so
> you don't need to send a respin.
>
> Going to go push this to drm-misc-next, thanks!
>
> On Tue, 2020-09-22 at 14:53 +0800, Koba Ko wrote:
> &
On Tue, Sep 22, 2020 at 2:11 AM Lyude Paul wrote:
>
> Hi, sorry I lost track of this until just now. Comments down below:
>
Sorry, the wrong base. I will modify it based on v2 and will send v4.
> On Fri, 2020-09-11 at 11:44 +0800, Koba Ko wrote:
> > As per D
As per DP-1.3, First check DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT.
If DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT is 1,read the DP_DP13_DPCD_REV to
get the faster capability.
If DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT is 0,read DP_DPCD_REV.
Signed-off-by: Koba Ko
Reviewed-by: Lyude Paul
---
drivers
On Tue, Sep 22, 2020 at 2:11 AM Lyude Paul wrote:
>
> Hi, sorry I lost track of this until just now. Comments down below:
Sorry, the wrong base. I will modify it based on v2 and will send v4.
>
> On Fri, 2020-09-11 at 11:44 +0800, Koba Ko wrote:
> > As per D
As per DP-1.3, First check DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT.
If DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT is 1, read the DP_DP13_DPCD_REV to
get the faster capability.
If DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT is 0, read DP_DPCD_REV.
Signed-off-by: Koba Ko
Reviewed-by: Lyude Paul
As per DP-1.3, First check DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT.
If DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT is 1, read the DP_DP13_DPCD_REV to
get the faster capability.
If DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT is 0, read DP_DPCD_REV.
Signed-off-by: Koba Ko
---
ChangeLog:
1. use
On Thu, Aug 27, 2020 at 1:30 PM Koba Ko wrote:
>
> Currently, DRM get the capability of the mst hub only from DP_DPCD_REV and
> get the slower speed even the mst hub can run in the faster speed.
>
> As per DP-1.3, First check DP_EXTENDED_RECEIVER_CA
the faster capability.
If DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT is 0, read DP_DPCD_REV.
Signed-off-by: Koba Ko
---
drivers/gpu/drm/drm_dp_mst_topology.c | 10 +-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c
b/drivers/gpu/drm
Hi Mario
On Fri, Jul 10, 2020 at 4:58 AM Limonciello, Mario
wrote:
>
> > -Original Message-
> > From: iommu On Behalf Of Koba Ko
> > Sent: Sunday, June 14, 2020 10:47 PM
> > To: David Woodhouse; Lu Baolu; Joerg Roedel
> > Cc: io...@lists.linux-foundation
Dear Baolu,
On Tue, Jun 30, 2020 at 3:52 PM Lu Baolu wrote:
>
> Hi Koba,
>
> On 2020/6/30 15:31, Koba Ko wrote:
> > On Mon, Jun 15, 2020 at 3:20 PM Lu Baolu wrote:
> >>
> >> Hi Koba Ko,
> >>
> >> On 2020/6/15 11:19, Koba Ko wrote:
> >
On Mon, Jun 15, 2020 at 3:20 PM Lu Baolu wrote:
>
> Hi Koba Ko,
>
> On 2020/6/15 11:19, Koba Ko wrote:
> > hi All,
> > I have a machine and there's only intel gpu.
> > the secureboot and vt-d is enabled in BIOS.
> > On the Ubuntu desktop, I do s2idle first and
and
check the status of DMA_GSTS_TES until status of DMA_GSTS_TES is 0.
If you need more information, I can provide it.
Thanks
Koba Ko
From: Koba Ko
On dell G3-3590, error message is issued during boot up,
"platform::micmute: Setting an LED's brightness failed (-19)",
but there's no micmute led on the machine.
Get the related tokens of SMBIOS, GLOBAL_MIC_MUTE_DISABLE/ENABLE.
If one of two tokens doesn't exist,
From: Koba Ko
On dell G3-3590, error message is issued during boot up,
"platform::micmute: Setting an LED's brightness failed (-19)",
but there's no micmute led on the machine.
Get the related tokens of SMBIOS, GLOBAL_MIC_MUTE_DISABLE/ENABLE.
If one of two tokens doesn't exist,
From: Koba Ko
During boot up, Error messge is issued,
"platform::micmute: Setting an LED's brightness failed (-19)",
but the device isn't presented.
Get the related tokens of SMBIOS, GLOBAL_MIC_MUTE_DISABLE/ENABLE.
If one of two tokens doesn't exist,
don't call led_classde
From: Koba Ko
Error messge is issued,
"platform::micmute: Setting an LED's brightness failed (-19)",
Even the device isn't presented.
Get the related tokens of SMBIOS, GLOBAL_MIC_MUTE_DISABLE/ENABLE.
If one of two tokens doesn't exist, don't register platform::micmute.
Signed-off-b
From: Koba Ko
First, get the related tokens of SMBIOS, GLOBAL_MIC_MUTE_DISABLE/ENABLE.
If one of two tokens doesn't exist, don't register platform::micmute.
Signed-off-by: Koba Ko
---
drivers/platform/x86/dell-laptop.c | 11 +++
1 file changed, 7 insertions(+), 4 deletions(-)
diff
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