to start using drm_dp_add_port() differently for
suspend/resume reprobing, let's rename both functions to clarify what
they actually do.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/drm_dp_mst_topology.c | 17 +
ke sure we read the input_port field in connection status
notifications in drm_dp_mst_handle_conn_stat() to prevent this from
happening once we've implemented suspend/resume reprobing.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-b
variable declarations a bit.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/drm_dp_mst_topology.c | 42 +++
1 file changed, 23 insertions(+), 19 deletions(-)
diff --git a/drivers
send sideband messages from
most contexts without having to deal with getting blocked if we hold
connection_mutex. This also fixes MST branch device hotplugging on i915,
finally!
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-by: Lyude Paul
---
driv
ng with runtime suspend/resume.
Now that those requests are handled asynchronously, this change should
be completely safe.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/nouveau/nouveau_c
These are most certainly accessed from far more than the mgr work. In
fact, up_req_recv is -only- ever accessed from outside the mgr work.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-by: Lyude Paul
---
include/drm/drm_dp_mst_helper.h | 8
Turns out we've been forgetting for a while now to actually destroy any
of the mutexes that we create in drm_dp_mst_topology_mgr. So, let's do
that.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-by: Lyude Paul
---
drive
rdown_pdt() into a single function:
drm_dp_port_set_pdt(). This function also handles actually ensuring that
we grab the correct locks when we need to modify port->mstb.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/g
ss responses or connection status notifications under
drm_device->mode_config.connection_mutex.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/drm_dp_mst_topology.c | 144 +++---
include/drm/d
Use more pointers so we don't have to write out
txmsg->reply.u.path_resources each time. Also, fix line wrapping +
rearrange local variables.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Reviewed-by: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers
* Remove the big ugly have_eomt conditional
* Store &mgr->down_rep_recv.initial_hdr in a var to make line wrapping
easier
* Remove duplicate memset() calls
* Actually wrap lines
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Reviewed-by: Daniel Vetter
Signed-off-by
Noticed this while working on adding a drm_dp_decode_sideband_req().
DP_POWER_DOWN_PHY/DP_POWER_UP_PHY both use the same struct, so we can
just combine their cases.
Signed-off-by: Lyude Paul
Cc: Daniel Vetter
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
---
drivers/gpu
from selftests a bit, and add
comments explaining why we can't just use memcmp - danvet
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Reviewed-by: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/drm_dp_mst_topology.c | 309 +++
stb != NULL at that point in the function
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Reviewed-by: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/drm_dp_mst_topology.c | 75 ++-
1 file changed, 38 insertions(+), 37 deletions(-)
dif
ed-by: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/drm_dp_mst_topology.c | 27 ---
drivers/gpu/drm/selftests/Makefile| 2 +-
.../gpu/drm/selftests/drm_modeset_selftests.h | 1 +
.../drm/selftests/test-drm_dp_mst_helper.c| 34 +++
..
Which reduces indentation and makes this function more legible.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/drm_dp_mst_topology.c | 90 +--
1 file changed, 45 insertions(+), 45
c: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/drm_dp_mst_topology.c | 40 +++
1 file changed, 16 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c
b/drivers/gpu/drm/drm_dp_mst_
And it's helper, we'll be using this in just a moment.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/drm_dp_mst_topology.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/d
A simple convienence function that returns a drm_printer which prints
using pr_err()
Changes since v1:
* Make __drm_printfn_err() more consistent with DRM_ERROR() - danvet
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Reviewed-by: Daniel Vetter
Signed-off-by: Lyude Paul
with some basic selftests for
testing our encoding/decoding functions
Patchseries wide changes since v1
- Add "Combine redundant cases in drm_dp_encode_sideband_req()" to
fulfill some of the danvet's review requests
Lyude Paul (27):
drm/dp_mst: Move link address
Makes things easier to read.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Reviewed-by: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/drm_dp_mst_topology.c | 35 ++-
1 file changed, 23 insertions(+), 12 deletions(-)
diff --git a
This seems to be some leftover detritus from before the port/mstb kref
cleanup and doesn't do anything anymore, so get rid of it.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Reviewed-by: Daniel Vetter
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/drm_dp_mst_topol
* Use two loops in drm_dp_delayed_destroy_work() - danvet
* Better explain why we need to do this - danvet
* Use cancel_work_sync() instead of flush_work() - flush_work() doesn't
account for work requeing
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Cc: Daniel Vetter
Signed-off-by: Lyud
> .../amd/display/dc/inc/hw/timing_generator.h | 2 -
> drivers/gpu/drm/drm_dp_aux_dev.c | 12 +-
> drivers/gpu/drm/drm_dp_helper.c | 10 +-
> drivers/gpu/drm/drm_dp_mst_topology.c | 240 +++
> include/drm/drm_dp_mst_helper.h | 8 +-
> 18 files changed, 806 insertions(+), 131 deletions(-)
>
--
Cheers,
Lyude Paul
___
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> Cc: Leo Li
> Cc: Lyude Paul
> Signed-off-by: David Francis
> ---
> drivers/gpu/drm/drm_dp_aux_dev.c | 12 ++--
> drivers/gpu/drm/drm_dp_helper.c | 10 --
> 2 files changed, 10 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_dp_a
m did not change timing.
>
> Therefore, whenever a crtc has drm_atomic_crtc_needs_modeset,
> for each crtc that shares a MST topology with that stream and
> supports DSC, add that crtc (and all affected connectors and
> planes) to the atomic state and set mode_changed on its state
>
Reviewed-by: Lyude Paul
Thanks!
On Wed, 2019-08-21 at 16:01 -0400, David Francis wrote:
> With DSC, bpp can be a multiple of 1/16, so
> drm_dp_calc_pbn_mode is insufficient.
>
> Add drm_dp_calc_pbn_mode_dsc, a function which is
> the same as drm_dp_calc_pbn_mode, but the bpp is
On Wed, 2019-08-21 at 12:27 +, Kazlauskas, Nicholas wrote:
> On 8/20/19 4:43 PM, Lyude Paul wrote:
> > Some nitpicks below
> >
> > On Tue, 2019-08-20 at 15:11 -0400, David Francis wrote:
> > > We were using drm helpers to convert a timing into its
> > >
ate, i) {
> + if (drm_atomic_crtc_needs_modeset(new_crtc_state)) {
> + ret = add_affected_mst_dsc_crtcs(state, crtc);
> + if (ret)
> + goto fail;
> + }
> +
_lock(&mstb->mgr->lock);
list_del(&port->next);
/* Right here > */
mutex_unlock(&mstb->mgr->lock);
/* drop port list reference */
drm_dp_mst_topology_put_port(port);
1536,7 @@ ssize_t drm_dp_mst_dpcd_write(struct drm_dp_aux *aux,
> return drm_dp_send_dpcd_write(port->mgr, port,
> offset, size, buffer);
> }
> +EXPORT_SYMBOL(drm_dp_mst_dpcd_write);
>
> static void drm_dp_check_mstb_guid(struct dr
y_mgr *mgr)
> {
> diff --git a/include/drm/drm_dp_mst_helper.h
> b/include/drm/drm_dp_mst_helper.h
> index 2ba6253ea6d3..ddb518f2157a 100644
> --- a/include/drm/drm_dp_mst_helper.h
> +++ b/include/drm/drm_dp_mst_helper.h
> @@ -611,7 +611,7 @@ struct edid *drm_dp_mst_get_edid(struct drm_conne
Reviewed-by: Lyude Paul
On Tue, 2019-08-20 at 15:11 -0400, David Francis wrote:
> As of DP1.4, ENUM_PATH_RESOURCES returns a bit indicating
> if FEC can be supported up to that point in the MST network.
>
> The bit is the first byte of the ENUM_PATH_RESOURCES ack reply,
> bottom-
onnector->dc_sink)
> + if (aconnector->dc_sink) {
> amdgpu_dm_update_freesync_caps(
> connector, aconnector->edid);
>
> +#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
> + if (!validate_dsc_caps_on_
Reviewed-by: Lyude Paul
On Wed, 2019-08-14 at 12:44 +0200, Dariusz Marcinkiewicz wrote:
> Pass the connector info to the CEC adapter. This makes it possible
> to associate the CEC adapter with the corresponding drm connector.
>
> Signed-off-by: Dariusz Marcinkiewicz
> Sign
Works perfectly here, and no warnings (at least not any that are relevant to
this patch series :) when reloading nouveau.
Reviewed-by: Lyude Paul
On Tue, 2019-07-23 at 19:28 -0400, sunpeng...@amd.com wrote:
> From: Leo Li
>
> Implement late_register and early_unregister hook
issue during driver unload, where mst connector
> devices are unregistered before the remote aux devices are. In a setup
> where aux devices are created as children of connector devices, the aux
> device would be removed too early, and uncleanly. Doing so in
> early_unregister solv
The DRM DP MST topology manager will send it's own hotplug events when
connectors are destroyed, so there's no reason to send an additional
hotplug event here.
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 -
1 file changed, 4 insert
tland
Signed-off-by: Lyude Paul
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 0ef49db0f08d..e33e080cf16d 1
would on a hotplug, removing any leftover ports that
no longer appear in the topology state.
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Signed-off-by: Lyude Paul
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
drivers/gpu/drm/drm_dp_mst_topology.c | 13
Harry Wentland
Signed-off-by: Lyude Paul
---
.../gpu/drm/amd/amdgpu/amdgpu_connectors.c| 13 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c| 20 +++---
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 5 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c | 40 +--
dr
with some basic selftests for
testing our encoding/decoding functions
Cc: Juston Li
Cc: Imre Deak
Cc: Ville Syrjälä
Cc: Harry Wentland
Lyude Paul (26):
drm/dp_mst: Move link address dumping into a function
drm/dp_mst: Destroy mstbs from destroy_connector_work
drm/dp_mst: Move test_calc_pbn
On Tue, 2019-07-16 at 18:28 +, Li, Sun peng (Leo) wrote:
>
>
> On 2019-07-10 6:50 p.m., Lyude Paul wrote:
> > gah. So, I was originally going to ask "why didn't we add the connector
> > name
> > into this?", but then I realized we're doing the
Reviewed-by: Lyude Paul
On Thu, 2019-07-04 at 15:05 -0400, sunpeng...@amd.com wrote:
> From: Leo Li
>
> Set the connector's kernel device as the parent for the aux kernel
> device. This allows udev rules to access connector attributes when
> creating symlinks to aux d
erty,
> .atomic_get_property = nouveau_conn_atomic_get_property,
> + .late_register = nv50_mstc_late_register,
> + .early_unregister = nv50_mstc_early_unregister,
> };
>
> static int
--
Cheers,
Lyude Paul
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ate_register = intel_connector_register,
> - .early_unregister = intel_connector_unregister,
> + .late_register = intel_dp_mst_connector_late_register,
> + .early_unregister = intel_dp_mst_connector_early_unregister,
> .destroy = intel_connector_destroy,
> .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
> .atomic_duplicate_state = intel_digital_connector_duplicate_state,
--
Cheers,
Lyude Paul
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On Thu, 2019-07-04 at 15:05 -0400, sunpeng...@amd.com wrote:
> From: Ville Syrjälä
>
> All available downstream ports - physical and logical - are exposed for
> each MST device. They are listed in /dev/, following the same naming
> scheme as SST devices by appending an incremental ID.
>
> Althou
gah. So, I was originally going to ask "why didn't we add the connector name
into this?", but then I realized we're doing the right thing already and just
doing card%d-%s % (card_number, path_prop). Which means we probably really don't
want to add a property called mstpath, since it's hardly differ
msg->reply.u.remote_dpcd_read_ack.num_bytes,
> + size);
> + memcpy(bytes, txmsg->reply.u.remote_dpcd_read_ack.bytes, ret);
> +
> +fail_free:
> + kfree(txmsg);
> +fail_put:
> + drm_dp_mst_topology_put_mstb(mstb);
> +
> + return ret;
&g
On Thu, 2019-06-27 at 22:21 +, Li, Sun peng (Leo) wrote:
> Sorry for the late response! just jumping back on this now.
>
> On 2019-05-16 5:40 p.m., Lyude Paul wrote:
> > [CAUTION: External Email]
> >
> > So a couple of things:
> >
> > On Thu, 2019-0
ing setup seems to fix it.
Hopefully if there is a better fix for this, this patch will spark
discussion around it.
Fixes: 921935dc6404 ("drm/amd/powerplay: enforce display related settings only
on needed")
Cc: Evan Quan
Cc: Alex Deucher
Cc: Huang Rui
Cc: Rex Zhu
Cc: Likun Gao
Cc:
On Thu, 2019-06-06 at 19:41 +, Li, Sun peng (Leo) wrote:
>
> On 2019-06-03 3:28 p.m., Lyude Paul wrote:
> > > I'm reproducing this just by reloading i915 on a machine with some MST
> > > displays connected. I uploaded a copy of the script that I us
On Mon, 2019-06-03 at 15:25 -0400, Lyude Paul wrote:
> On Thu, 2019-05-30 at 18:20 +, Li, Sun peng (Leo) wrote:
> > Hey, sorry for my late response!
> >
> > On 2019-05-16 5:40 p.m., Lyude Paul wrote:
> >
> > > >if (old_pdt != port->pdt &am
On Thu, 2019-05-30 at 18:20 +, Li, Sun peng (Leo) wrote:
> Hey, sorry for my late response!
>
> On 2019-05-16 5:40 p.m., Lyude Paul wrote:
>
> > >if (old_pdt != port->pdt && !port->input) {
> > > @@ -1220,6 +1268,8 @@ static void dr
l port, whereas the MST displays will NAK.
>
> In light of these discrepancies, it's simpler to expose all downstream
> ports - both physical and logical - and let the user decide what to use.
>
> Cc: Lyude Paul
> Signed-off-by: Ville Syrjälä
> Signed-off-by
Reviewed-by: Lyude Paul
On Thu, 2019-05-16 at 11:18 -0400, sunpeng...@amd.com wrote:
> From: Leo Li
>
> Set the connector's kernel device as the parent for the aux kernel
> device. This allows udev rules to access connector attributes when
> creating symlinks to aux d
the connector gives udev the
> ability to access the connector device's attributes. This will come in
> handy when writing udev rules to create more descriptive symlinks to the
> MST aux devices.
>
> Cc: Ville Syrjälä
> Cc: Lyude Paul
> Signed-off-by: Leo Li
> ---
&
criptive symlinks to the
> MST aux devices.
>
> Cc: Ville Syrjälä
> Cc: Lyude Paul
> Signed-off-by: Leo Li
> ---
> drivers/gpu/drm/drm_dp_mst_topology.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c
> b/drivers/g
Whoops-one more thing I forgot to mention. This is just personal preference
for me, but if you're ccing me on any of the patches in the series feel free
to just do it for all of them. Makes my inbox a little less confusing to look
at
On Thu, 2019-05-16 at 15:54 -0400, Lyude Paul wrote:
drivers/gpu/drm/drm_dp_mst_topology.c | 106
> ++---
> drivers/gpu/drm/drm_sysfs.c| 23 +
> drivers/gpu/drm/nouveau/nouveau_connector.c| 2 +-
> include/drm/drm_dp_helper.h| 4 +
> include/drm/drm_dp_ms
On Wed, 2019-04-24 at 23:52 +0300, Ville Syrjälä wrote:
> On Wed, Apr 24, 2019 at 08:40:30PM +, Li, Sun peng (Leo) wrote:
> >
> >
> > On 2019-04-24 1:26 p.m., Lyude Paul wrote:
> > > Closer, but are we sure we want to use the MST prop path for this? Why
> &g
topology_mgr *mgr,
> int pbn);
>
> +void drm_dp_build_mst_prop_path(const struct drm_dp_mst_branch *mstb,
> +int pnum,
> + char *proppath,
> +size_t proppath_si
lgtm
Reviewed-by: Lyude Paul
On Mon, 2019-04-22 at 19:56 -0400, sunpeng...@amd.com wrote:
> From: Leo Li
>
> In preparation for adding aux devices for DP MST, make the IDR
> non-cyclic. That way, hotplug cycling MST devices won't needlessly
> increment the minor version in
On Wed, 2019-04-17 at 23:10 +, Li, Sun peng (Leo) wrote:
>
>
> On 2019-04-16 6:16 p.m., Lyude Paul wrote:
> > Sorry for the slow response, I've been really busy ;_;
>
> No worries :)
>
> > On Fri, 2019-04-12 at 12:05 -0400, sunpeng...@amd.com wrote:
lude/drm/drm_dp_helper.h
> @@ -1265,6 +1265,10 @@ struct drm_dp_aux {
>* @cec: struct containing fields used for CEC-Tunneling-over-AUX.
>*/
> struct drm_dp_aux_cec cec;
> + /**
> + * @is_remote: Is this "AUX CH" actually using sideband messaging.
> + */
> + bool is_remote
/drm_dp_helper.c
> b/drivers/gpu/drm/drm_dp_helper.c
> index e2266ac..13f1005 100644
> --- a/drivers/gpu/drm/drm_dp_helper.c
> +++ b/drivers/gpu/drm/drm_dp_helper.c
> @@ -1143,7 +1143,7 @@ int drm_dp_aux_register(struct drm_dp_aux *aux)
> strlcpy(aux->ddc.name, aux-&g
Going through the currently programmed payloads isn't safe without
holding mgr->payload_lock, so actually do that and warn if anyone tries
calling nv50_msto_payload() in the future without grabbing the right
locks.
Signed-off-by: Lyude Paul
Reviewed-By: Ben Skeggs
Cc: Daniel Vetter
C
It occurred to me that we never actually check this! So let's start
doing that.
Signed-off-by: Lyude Paul
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Harry Wentland
Cc: Juston Li
---
drivers/gpu/drm/drm_dp_mst_topology.c | 8 +++-
1 file changed, 7 insertions(
his code in the future, use msto->disabled
instead to check whether or not we need to deallocate VCPI instead.
Signed-off-by: Lyude Paul
Reviewed-By: Ben Skeggs
Cc: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Harry Wentland
Cc: Juston Li
---
drivers/gpu/drm/nouveau/dispnv50/disp.
anvet
- Annotate atomic VCPI and atomic check functions with __must_check
- danvet
Changes since v1:
- Don't use the now-removed ->atomic_check() for private objects hook,
just give drivers a function to call themselves
Signed-off-by: Lyude Paul
Reviewed-by: D
Same as we did for i915, but for nouveau this time. Additionally, we
grab a malloc reference to the port that lasts for the entire lifetime
of nv50_mstc, which gives us the guarantee that mstc->port will always
point to valid memory for as long as the mstc stays around.
Signed-off-by: Lyude P
hanges since v5:
* Update nv50_msto_atomic_check() and nv50_mstc_atomic_check() to the
new requirements for drm_dp_atomic_find_vcpi_slots() and
drm_dp_atomic_release_vcpi_slots()
Signed-off-by: Lyude Paul
Reviewed-By: Ben Skeggs
Cc: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Harry Wentl
Changes since v6:
- Move EXPORT_SYMBOL() for drm_dp_mst_topology_state_funcs to this
commit
- Document __drm_dp_mst_state_iter_get() and note that it shouldn't be
called directly
Signed-off-by: Lyude Paul
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Harry Wentlan
Trying to destroy the connector using mstc->connector.funcs->destroy()
if connector initialization fails is wrong: there is no possible
codepath in nv50_mstc_new where nv50_mstm_add_connector() would return
<0 and mstc would be non-NULL.
Signed-off-by: Lyude Paul
Reviewed-By: Ben S
This has never actually worked, and isn't needed anyway: the driver's
always going to try to deallocate VCPI when it tears down the display
that the VCPI belongs to.
Signed-off-by: Lyude Paul
Reviewed-by: Harry Wentland
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc:
in topology_get_(mstb|port) - danvet
* Move kdocs for mstb/port structs inline - danvet
* Split drm_dp_get_last_connected_port_and_mstb() changes into their own
commit - danvet
Signed-off-by: Lyude Paul
Reviewed-by: Harry Wentland
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc:
mstc->port could
technically be pointing at freed memory.
Signed-off-by: Lyude Paul
Reviewed-By: Ben Skeggs
Cc: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Harry Wentland
Cc: Juston Li
---
drivers/gpu/drm/nouveau/dispnv50/disp.c | 6 ++
1 file changed, 6 insertions(+)
diff --gi
Split some stuff across multiple lines, remove some unnecessary braces
Signed-off-by: Lyude Paul
Reviewed-by: Harry Wentland
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Juston Li
---
drivers/gpu/drm/drm_dp_mst_topology.c | 14 --
1 file changed, 8 insertions
port - danvet
Signed-off-by: Lyude Paul
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Harry Wentland
Cc: Juston Li
---
drivers/gpu/drm/i915/intel_connector.c | 4
drivers/gpu/drm/i915/intel_dp_mst.c| 1 +
2 files changed, 5 insertions(+)
diff --git a/drivers
t
the ports are still valid and in the topology, any port which has an
allocated payload will remain allocated in memory until it's payloads
have been removed - finally allowing us to actually release said
payloads correctly.
Signed-off-by: Lyude Paul
Reviewed-by: Daniel Vetter
Reviewed-by
Split some stuff across multiple lines
Signed-off-by: Lyude Paul
Reviewed-by: Harry Wentland
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Juston Li
---
drivers/gpu/drm/drm_dp_mst_topology.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu
ecovery handling for VCPI
allocations in the rest of the DP MST helpers.
Changes since v1:
* Convert kerneldoc for drm_dp_get_last_connected_port_and_mstb to
normal comment - danvet
Signed-off-by: Lyude Paul
Reviewed-by: Harry Wentland
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc
at
assignment that I can see anyway.
Signed-off-by: Lyude Paul
Reviewed-by: Harry Wentland
Cc: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Juston Li
---
.../drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 11 +++
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/dr
Fix some indenting, split some stuff across multiple lines.
Signed-off-by: Lyude Paul
Reviewed-by: Harry Wentland
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Juston Li
---
drivers/gpu/drm/drm_dp_mst_topology.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions
Reindent some stuff, and split some stuff across multiple lines so we
aren't going over the text width limit.
Signed-off-by: Lyude Paul
Reviewed-by: Harry Wentland
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Juston Li
---
drivers/gpu/drm/drm_dp_mst_topology.c
good
place to start off for now :).
Not available on gitlab, as this is the final version of the series
before I push! hooray~
Lyude Paul (20):
drm/dp_mst: Fix some formatting in drm_dp_add_port()
drm/dp_mst: Fix some formatting in drm_dp_payload_send_msg()
drm/dp_mst: Fi
, and will make even more
sense once we redesign how the current refcounting scheme here works.
Signed-off-by: Lyude Paul
Reviewed-by: Daniel Vetter
Reviewed-by: Harry Wentland
Cc: David Airlie
Cc: Jerry Zuo
Cc: Juston Li
---
drivers/gpu/drm/drm_dp_mst_topology.c | 114
DRM_ERROR("Failed to create stream for sink!\n");
> + if (stream == NULL)
> goto finish;
> - }
>
> stream->dm_stream_context = aconnector;
>
--
Cheers,
Lyude Paul
___
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new_crtc_state->mode_changed = false;
> + DRM_DEBUG_DRIVER("Mode change not expected on %s\n",
> aconnector->base.name);
> + goto next_crtc;
> }
>
> dm_new_crtc_state->abm_level = dm_new_conn_state->abm_level;
--
Cheers,
Lyude Paul
___
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
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at
assignment that I can see anyway.
Signed-off-by: Lyude Paul
Reviewed-by: Harry Wentland
Cc: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Juston Li
---
.../drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 11 +++
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/dr
port - danvet
Signed-off-by: Lyude Paul
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Harry Wentland
Cc: Juston Li
---
drivers/gpu/drm/i915/intel_connector.c | 4
drivers/gpu/drm/i915/intel_dp_mst.c| 1 +
2 files changed, 5 insertions(+)
diff --git a/drivers
This has never actually worked, and isn't needed anyway: the driver's
always going to try to deallocate VCPI when it tears down the display
that the VCPI belongs to.
Signed-off-by: Lyude Paul
Reviewed-by: Harry Wentland
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc:
his code in the future, use msto->disabled
instead to check whether or not we need to deallocate VCPI instead.
Signed-off-by: Lyude Paul
Cc: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Harry Wentland
Cc: Juston Li
---
drivers/gpu/drm/nouveau/dispnv50/disp.c | 15 +--
1 fi
mstc->port could
technically be pointing at freed memory.
Signed-off-by: Lyude Paul
Cc: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Harry Wentland
Cc: Juston Li
---
drivers/gpu/drm/nouveau/dispnv50/disp.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/nouveau
Same as we did for i915, but for nouveau this time. Additionally, we
grab a malloc reference to the port that lasts for the entire lifetime
of nv50_mstc, which gives us the guarantee that mstc->port will always
point to valid memory for as long as the mstc stays around.
Signed-off-by: Lyude P
It occurred to me that we never actually check this! So let's start
doing that.
Signed-off-by: Lyude Paul
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Harry Wentland
Cc: Juston Li
---
drivers/gpu/drm/drm_dp_mst_topology.c | 8 +++-
1 file changed, 7 insertions(
Changes since v6:
- Move EXPORT_SYMBOL() for drm_dp_mst_topology_state_funcs to this
commit
- Document __drm_dp_mst_state_iter_get() and note that it shouldn't be
called directly
Signed-off-by: Lyude Paul
Reviewed-by: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Harry Wentlan
anvet
- Annotate atomic VCPI and atomic check functions with __must_check
- danvet
Changes since v1:
- Don't use the now-removed ->atomic_check() for private objects hook,
just give drivers a function to call themselves
Signed-off-by: Lyude Paul
Reviewed-by: D
hanges since v5:
* Update nv50_msto_atomic_check() and nv50_mstc_atomic_check() to the
new requirements for drm_dp_atomic_find_vcpi_slots() and
drm_dp_atomic_release_vcpi_slots()
Signed-off-by: Lyude Paul
Cc: Daniel Vetter
Cc: David Airlie
Cc: Jerry Zuo
Cc: Harry Wentland
Cc: Juston Li
---
t
the ports are still valid and in the topology, any port which has an
allocated payload will remain allocated in memory until it's payloads
have been removed - finally allowing us to actually release said
payloads correctly.
Signed-off-by: Lyude Paul
Reviewed-by: Daniel Vetter
Reviewed-by
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