o prevent the issue, make the framebuffer_core driver to not register a
> platform device if the global struct screen_info data has been filled.
>
> Reported-by: Brian Norris
> Link:
> https://lore.kernel.org/all/ZuCG-DggNThuF4pj@b20ea791c01f/T/#ma7fb65acbc1a56042258adac910992bb225a2
rs should be switched to use PLATFORM_DEVID_AUTO? Or at least one
of them. Or they should use different base names.
I'm not really sure what the best option is (does anyone rely on or care
about the device naming?), and I don't actually use this driver. But
here's an untested dif
PSR enabled state.
> + */
> + if (status == DP_PSR_SINK_ACTIVE_RFB) {
> + if ((reg == DP_PSR_SINK_ACTIVE_RFB) &&
> + ((store == DP_PSR_SINK_ACTIVE_SINK_SYNCED) ||
> + (store == DP_PSR_SINK_AC
> clk_prepare_enable(dp->clock);
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -
> - dp->reg_base = devm_ioremap_resource(&pdev->dev, res);
> + dp->reg_base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
Rather than a NULL 3rd
f course.
v3:
* no update
v2:
* skip unnecessary lock/unlock
Fixes: 6c836d965bad ("drm/rockchip: Use the helpers for PSR")
Cc:
Link: https://lore.kernel.org/dri-devel/y5itf0+yniqa6...@sirena.org.uk/
Reported-by: "kernelci.org bot"
Signed-off-by: Brian Norris
---
drivers/gpu/
lf-refresh
* describe failing test case and relation to drm/rockchip patch better
Cc: # dependency for "drm/rockchip: vop: Leave
# vblank enabled in self-refresh"
Signed-off-by: Brian Norris
---
drivers/gpu/drm/drm_atomic_helper.c | 11 ++-
1 file chang
On Fri, Jan 6, 2023 at 5:23 PM Brian Norris wrote:
> v2:
> * add 'ret != 0' warning case for self-refresh
> * describe failing test case and relation to drm/rockchip patch better
Ugh, there's always something you remember right after you hit send: I
forgot to better sum
"drm/rockchip: Use the helpers for PSR")
Cc:
Link: https://lore.kernel.org/dri-devel/y5itf0+yniqa6...@sirena.org.uk/
Reported-by: "kernelci.org bot"
Signed-off-by: Brian Norris
---
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 8
1 file changed, 4 insertions
add 'ret != 0' warning case for self-refresh
* describe failing test case and relation to drm/rockchip patch better
Cc: # dependency for "drm/rockchip: vop: Leave
# vblank enabled in self-refresh"
Signed-off-by: Brian Norris
---
drivers/gpu/drm/dr
On Fri, Jan 06, 2023 at 12:42:54PM +0100, Michel Dänzer wrote:
> On 1/6/23 02:40, Brian Norris wrote:
> > --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> > +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> > @@ -719,11 +719,11 @@ static void vop_crtc_atomic_disable(struc
On Fri, Jan 06, 2023 at 09:30:56PM +0100, Daniel Vetter wrote:
> On Fri, Jan 06, 2023 at 11:33:06AM -0800, Brian Norris wrote:
> > On Fri, Jan 06, 2023 at 07:17:53PM +0100, Daniel Vetter wrote:
> > > - check that drivers which use self_ref
On Fri, Jan 06, 2023 at 07:17:53PM +0100, Daniel Vetter wrote:
> Ok I think I was a bit slow here, and it makes sense. Except this now
> means we loose this check, and I'm also not sure whether we really want
> drivers to implement this all.
>
> What I think we want here is a bit more:
> - for the
On Fri, Jan 06, 2023 at 07:20:40PM +0100, Daniel Vetter wrote:
> On Fri, Jan 06, 2023 at 10:08:53AM -0800, Brian Norris wrote:
> > OK! Then that sounds like it at least ACKs my general idea for this
> > series. (Michel and I poked at a few ideas in the thread at [1] and
> > l
Hi Daniel,
On Fri, Jan 06, 2023 at 06:53:49PM +0100, Daniel Vetter wrote:
> On Thu, Jan 05, 2023 at 05:40:17PM -0800, Brian Norris wrote:
> > The self-refresh helper framework overloads "disable" to sometimes mean
> > "go into self-refresh mode," and this mo
On Thu, Jan 05, 2023 at 04:59:55PM -0800, Brian Norris wrote:
> On Wed, Jan 04, 2023 at 10:11:46AM +0100, Michel Dänzer wrote:
> > On 1/4/23 03:11, Brian Norris wrote:
> > > On Tue, Jan 03, 2023 at 07:04:00PM +0100, Michel Dänzer wrote:
> > >> On 12/21/22 23:02,
p on self refresh") as well.
We also need the previous patch ("drm/atomic: Allow vblank-enabled +
self-refresh "disable""), of course.
Fixes: 6c836d965bad ("drm/rockchip: Use the helpers for PSR")
Cc:
Link: https://lore.kernel.org/dri-devel/y5itf0+yniqa6...@sire
Cs to be "disabled" (with
self-refresh active) with vblank interrupts still enabled.
Cc: # dependency for subsequent patch
Signed-off-by: Brian Norris
---
drivers/gpu/drm/drm_atomic_helper.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c
b/d
On Wed, Jan 04, 2023 at 10:11:46AM +0100, Michel Dänzer wrote:
> On 1/4/23 03:11, Brian Norris wrote:
> > On Tue, Jan 03, 2023 at 07:04:00PM +0100, Michel Dänzer wrote:
> >> On 12/21/22 23:02, Brian Norris wrote:
> >
> >>> 3. leave vblank enabled even in the
Hi Michel,
Thanks for your thoughts. I'll give my attempt at weighing my and your
options, with the caveat that I'm still not much of a DRM expert.
On Tue, Jan 03, 2023 at 07:04:00PM +0100, Michel Dänzer wrote:
> On 12/21/22 23:02, Brian Norris wrote:
> > So how to fix this?
Hi Mark, Sean, (and dri-devel)
On Wed, Dec 14, 2022 at 07:04:37PM -0800, Brian Norris wrote:
> On Tue, Dec 13, 2022 at 04:51:11PM +, Mark Brown wrote:
> > On Tue, Dec 13, 2022 at 05:56:30AM -0800, KernelCI bot wrote:
> >
> > The KernelCI bisection bot found regression
On Tue, Dec 13, 2022 at 04:51:11PM +, Mark Brown wrote:
> On Tue, Dec 13, 2022 at 05:56:30AM -0800, KernelCI bot wrote:
>
> The KernelCI bisection bot found regressions in at least two KMS tests
> in the Renesas tree on rk3399-gru-kevin just after the Renesas tree
> merged up mainline:
>
>
ch can in turn
> trigger a warning if we try to register a new debug offset at the same
> address on driver reload.
>
> To fix the issue, make sure to always run the cleanup code.
>
> Reported-by: Tvrtko Ursulin
> Reported-by: Brian Norris
> Fixes: 27536e03271d ("drm
On Tue, Nov 08, 2022 at 11:50:04AM -0500, Felix Kuehling wrote:
> While you're making the pmu list per-device, I'd suggest removing adev from
> the pmu entry because it is now redundant. The device is implied by the list
> that the entry is on. Instead, add an adev parameter to
> init_pmu_entry_by_
achable.
And lastly, drop the unreachable return; we'd do better to let the
compiler complain if we start hitting this unexpectedly.
Signed-off-by: Brian Norris
---
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 5 +
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a
ny cross-device dependencies or racy accesses
to global state, so this should be safe.
This driver was pinpointed as part of a survey of top slowest initcalls
(i.e., are built in, and probing synchronously) on a lab of ChromeOS
systems.
Signed-off-by: Brian Norris
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv
If there are multiple amdgpu devices, this list processing can be racy.
We're really treating this like a per-device list, so make that explicit
and remove the global list.
Signed-off-by: Brian Norris
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4
drivers/gpu/drm/amd/a
i915: Allow delayed i915 audio
component binding")
Signed-off-by: Brian Norris
---
drivers/gpu/drm/i915/i915_pci.c | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 38460a0bd7cb..1cb1f87aea8
chronous probe, at least until this driver learns some
appropriate locking for dual-DSI initialization.
Cc:
Signed-off-by: Brian Norris
---
drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
b/dr
to hit when enabling asynchronous probe on a
duel-DSI system (such as RK3399 Gru/Scarlet), such that we're more
likely to fail dw_mipi_dsi_rockchip_find_second() the first time.
Fixes: 71f68fe7f121 ("drm/rockchip: dsi: add ability to work as a phy instead
of full dsi")
Cc:
Signed-off-by:
On Thu, Aug 25, 2022 at 11:06 AM Brian Norris wrote:
> On Thu, Aug 25, 2022 at 10:37 AM Doug Anderson wrote:
> > Given that this is _not_ an area that I'm an expert in nor is it an
> > area where the consequences are super easy to analyze, I'm a little
> > hesitant
Hi,
On Thu, Aug 25, 2022 at 10:37 AM Doug Anderson wrote:
> Reviewed-by: Douglas Anderson
Thanks :)
> Given that this is _not_ an area that I'm an expert in nor is it an
> area where the consequences are super easy to analyze, I'm a little
> hesitant to apply this to drm-misc-next myself. Idea
fail.
So remove the superfluous, possibly-harmful suspend()/resume() handling
of panel state.
Fixes: 211f276ed3d9 ("drm: bridge: analogix/dp: add panel prepare/unprepare in
suspend/resume time")
Link: https://lore.kernel.org/all/yv2cpbd3picg%2f...@google.com/
Signed-off-by: Brian Norris
uot;)
> Signed-off-by: Zhang Zekun
Reviewed-by: Brian Norris
Hi,
On Wed, Aug 17, 2022 at 05:05:25PM -0700, Brian Norris wrote:
> Hmm, actually I'm going to have to retract that now that I've given it
> some more testing locally. I happen to have a system where I commonly
> hit this error case, and I'm thinking commit 211f276ed3d9
On Wed, Aug 17, 2022 at 01:34:13PM -0700, Brian Norris wrote:
> On Mon, Aug 15, 2022 at 11:46 PM Zhang Zekun wrote:
> >
> > Add the missing clk_disable_unprepare() before return from
> > analogix_dp_resume() in the error handling case.
> >
> > Fixes: 211f276ed3d
On Fri, Jun 24, 2022 at 12:23 AM Heiko Stuebner wrote:
> The interesting question would be, do we want some fixes tag for it?
I'm not aware of any currently-upstream code that will hit this [1].
I've hit it in out-of-tree code (or, code that I submitted to
dri-devel, but wasn't accepted as-is), a
Signed-off-by: Brian Norris
---
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 74562d40f639..daf192881353 100644
--- a/drivers/gpu/drm/rockchip/roc
On Mon, Jun 6, 2022 at 1:30 PM Doug Anderson wrote:
> On Fri, Jun 3, 2022 at 8:17 AM Doug Anderson wrote:
> > On Fri, Jun 3, 2022 at 8:11 AM Sean Paul wrote:
> > > Apologies for the delay. Please in future ping on irc/chat if you're
> > > waiting for review from me, my inbox is often neglected.
On Thu, Mar 10, 2022 at 3:50 PM Brian Norris wrote:
> On Mon, Feb 28, 2022 at 12:25 PM Brian Norris
> wrote:
> Ping for review? Sean, perhaps? (You already reviewed this on the
> Chromium tracker.)
Ping
On Mon, Feb 28, 2022 at 12:25 PM Brian Norris wrote:
>
> Hi,
>
> I've been investigating several eDP issues on a Rockchip RK3399 system
> and have two proposed bugfixes. RK3399 has two CRTCs, either of which
> can be used for eDP output. For both fixes, we have bugs du
DP AUX transactions can consist of many short operations. There's no
need to power things up/down in short intervals.
I pick an arbitrary 100ms; for the systems I'm testing (Rockchip
RK3399), runtime-PM transitions only take a few microseconds.
Signed-off-by: Brian Norris
---
Cha
t; the panel.
Don't force any panel power-up, etc., because that can be intrusive, and
that's not what other drivers do (see
drivers/gpu/drm/bridge/ti-sn65dsi86.c and
drivers/gpu/drm/bridge/parade-ps8640.c.)
Fixes: 0d97ad03f422 ("drm/bridge: analogix_dp: Remove duplicated code&qu
On Tue, Feb 22, 2022 at 2:10 PM Doug Anderson wrote:
> On Thu, Feb 17, 2022 at 2:42 PM Brian Norris wrote:
> > --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> > +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> > @@ -1121,7 +1121,7 @@ static int analogi
ing PSR at the same time as a CRTC switch.
(Thanks Liu Ying)
Cc: Liu Ying
Cc:
Fixes: 1452c25b0e60 ("drm: Add helpers to kick off self refresh mode in
drivers")
Signed-off-by: Brian Norris
---
drivers/gpu/drm/drm_atomic_helper.c | 16 +---
1 file changed, 13 insertions(
a while. It may predate the "PSR helpers"
refactor, but the code looked very different before that, and it's
probably not worth rewriting the fix.
Cc:
Fixes: 6c836d965bad ("drm/rockchip: Use the helpers for PSR")
Signed-off-by: Brian Norris
---
(no changes since v1)
..
make a transition through "disabled"
any time we're exiting PSR at the same time as a CRTC switch.
(Thanks Liu Ying)
Brian Norris (2):
drm/bridge: analogix_dp: Support PSR-exit to disable transition
drm/atomic: Force bridge self-refresh-exit on CRTC switch
.../drm/bri
Hi Liu,
On Mon, Feb 28, 2022 at 1:02 AM Liu Ying wrote:
> On Tue, 2022-02-15 at 15:54 -0800, Brian Norris wrote:
> > --- a/drivers/gpu/drm/drm_atomic_helper.c
> > +++ b/drivers/gpu/drm/drm_atomic_helper.c
> > @@ -1011,9 +1011,19 @@ crtc_needs_disable(struct drm_
DP AUX transactions can consist of many short operations. There's no
need to power things up/down in short intervals.
I pick an arbitrary 100ms; for the systems I'm testing (Rockchip
RK3399), runtime-PM transitions only take a few microseconds.
Signed-off-by: Brian Norris
---
Cha
t; the panel.
Don't force any panel power-up, etc., because that can be intrusive, and
that's not what other drivers do (see
drivers/gpu/drm/bridge/ti-sn65dsi86.c and
drivers/gpu/drm/bridge/parade-ps8640.c.)
Fixes: 0d97ad03f422 ("drm/bridge: analogix_dp: Remove duplicated code&qu
On Tue, Feb 15, 2022 at 3:46 PM Doug Anderson wrote:
> On Tue, Feb 15, 2022 at 2:52 PM Brian Norris wrote:
> > It still makes me wonder what the point
> > of the /dev/drm_dp_aux interface is though, because it seems like
> > you're pretty much destined to not have
a while. It may predate the "PSR helpers"
refactor, but the code looked very different before that, and it's
probably not worth rewriting the fix.
Cc:
Fixes: 6c836d965bad ("drm/rockchip: Use the helpers for PSR")
Signed-off-by: Brian Norris
---
.../drm/br
/drm/bridge/analogix/analogix_dp_core.c.
Cc:
Fixes: 1452c25b0e60 ("drm: Add helpers to kick off self refresh mode in
drivers")
Signed-off-by: Brian Norris
---
drivers/gpu/drm/drm_atomic_helper.c | 16 +---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/
en't explained issues well, or the proposals look
fishy.
Regards,
Brian
Brian Norris (2):
drm/bridge: analogix_dp: Support PSR-exit to disable transition
drm/atomic: Force bridge self-refresh-exit on CRTC switch
.../drm/bridge/analogix/analogix_dp_core.c| 42 +--
On Tue, Feb 15, 2022 at 1:31 PM Doug Anderson wrote:
>
> Hi,
Hi!
> On Fri, Oct 1, 2021 at 2:50 PM Brian Norris wrote:
> >
> > If the display is not enable()d, then we aren't holding a runtime PM
> > reference here. Thus, it's easy to accidentally caus
ity according to the RK3399 TRM and fixed them up.
This fixes IOMMU issues (and display errors) when testing with BG24
color formats.
Fixes: 7707f7227f09 ("drm/rockchip: Add support for afbc")
Cc: Andrzej Pietrasiewicz
Cc:
Signed-off-by: Brian Norris
---
I'd appreciate notes or testi
Hi Chen-Yu,
On Mon, Jan 17, 2022 at 05:01:52PM +0800, Chen-Yu Tsai wrote:
> On Sat, Jan 15, 2022 at 7:03 AM Brian Norris wrote:
> >
> > Now that the cdn-dp driver supports plug-change callbacks, let's wire it
> > up.
> >
> > Signed-off-by: Brian Norris
Now that the cdn-dp driver supports plug-change callbacks, let's wire it
up.
Signed-off-by: Brian Norris
---
(no changes since v1)
sound/soc/rockchip/rk3399_gru_sound.c | 20
1 file changed, 20 insertions(+)
diff --git a/sound/soc/rockchip/rk3399_gru_sound.c
b/soun
Some audio servers like to monitor a jack device (perhaps combined with
EDID, for audio-presence info) to determine DP/HDMI audio presence.
Signed-off-by: Brian Norris
---
(no changes since v1)
drivers/gpu/drm/rockchip/cdn-dp-core.c | 28 ++
drivers/gpu/drm/rockchip
d by a different function (on scarlet), which causes probe
failures (!!)
Fixes: b18c6c3c7768 ("ASoC: rockchip: cdn-dp sound output use spdif")
Signed-off-by: Brian Norris
---
Changes in v2:
- (Un)set pinctrl, because the default assumes we're routing out to
external pi
never upstreamed, because the hdmi-codec
dependencies were still being worked out when this platform was first
supported.
Patches cover a few subsystems. Perhaps this is something for arm-soc?
Changes in v2:
- (Un)set pinctrl, because the default assumes we're routing out to
external p
Sorry to send a self-reply so quickly, but I noticed an error and want
to make sure this doesn't get merged _too_ quickly before I get to
send a revision! See below:
On Fri, Jan 14, 2022 at 12:17 PM Brian Norris wrote:
>
> Commit b18c6c3c7768 ("ASoC: rockchip: cdn-dp sound
Some audio servers like to monitor a jack device (perhaps combined with
EDID, for audio-presence info) to determine DP/HDMI audio presence.
Signed-off-by: Brian Norris
---
drivers/gpu/drm/rockchip/cdn-dp-core.c | 28 ++
drivers/gpu/drm/rockchip/cdn-dp-core.h | 4
Now that the cdn-dp driver supports plug-change callbacks, let's wire it
up.
Signed-off-by: Brian Norris
---
sound/soc/rockchip/rk3399_gru_sound.c | 20
1 file changed, 20 insertions(+)
diff --git a/sound/soc/rockchip/rk3399_gru_sound.c
b/sound/soc/roc
Commit b18c6c3c7768 ("ASoC: rockchip: cdn-dp sound output use spdif")
switched the platform to SPDIF, but we didn't fix up the device tree.
Fixes: b18c6c3c7768 ("ASoC: rockchip: cdn-dp sound output use spdif")
Signed-off-by: Brian Norris
---
arch/arm64/boot/dts/rock
never upstreamed, because the hdmi-codec
dependencies were still being worked out when this platform was first
supported.
Patches cover a few subsystems. Perhaps this is something for arm-soc?
Brian Norris (3):
arm64: dts: rockchip: Switch RK3399-Gru DP to SPDIF output
drm/rockchip: cdn-dp: Su
an SoC using this driver.
> On 01.10.2021 23:42, Brian Norris wrote:
> > If the display is not enable()d, then we aren't holding a runtime PM
> > reference here. Thus, it's easy to accidentally cause a hang, if user
> > space is poking around at /dev/drm_dp_aux0 at the &
(updating Andrzej's email)
On Fri, Oct 1, 2021 at 2:50 PM Brian Norris wrote:
> If the display is not enable()d, then we aren't holding a runtime PM
> reference here. Thus, it's easy to accidentally cause a hang, if user
> space is poking around at /dev/drm_dp_aux0 at the
Hi Pekka,
On Fri, Nov 19, 2021 at 12:38:41PM +0200, Pekka Paalanen wrote:
> On Thu, 18 Nov 2021 17:46:10 -0800
> Brian Norris wrote:
> > On Thu, Nov 18, 2021 at 12:39:28PM +0200, Pekka Paalanen wrote:
> > > On Wed, 17 Nov 2021 14:48:40 -0800
> > > Brian Norr
Hi Daniel,
On Fri, Nov 19, 2021 at 11:01:18AM +0100, Daniel Vetter wrote:
> On Thu, Nov 18, 2021 at 11:30:43AM -0800, Brian Norris wrote:
> > On Thu, Nov 18, 2021 at 10:05:11AM +0100, Daniel Vetter wrote:
> > > On Wed, Nov 17, 2021 at 02:48:40PM -0800, Brian Norris wrote:
>
Hi Pekka,
Thanks for the thoughts and review. I've tried to respond below:
On Thu, Nov 18, 2021 at 12:39:28PM +0200, Pekka Paalanen wrote:
> On Wed, 17 Nov 2021 14:48:40 -0800
> Brian Norris wrote:
>
> > A variety of applications have found it useful to listen to
>
Hi Daniel,
Thanks for the review. Lots to address elsewhere, but I can respond
here first:
On Thu, Nov 18, 2021 at 10:05:11AM +0100, Daniel Vetter wrote:
> On Wed, Nov 17, 2021 at 02:48:40PM -0800, Brian Norris wrote:
> > --- a/drivers/gpu/drm/Kconfig
> > +++ b/drivers/
ullet: preemptive exit for panel self-refresh.
Bits of this are adapted from code the Android and/or Chrome OS kernels
have been carrying for a while.
Signed-off-by: Brian Norris
---
Changes in v2:
- Honor CONFIG_INPUT dependency, via new CONFIG_DRM_INPUT_HELPER
- Remove void*; users shoul
backs.
Inspired-by: Kristian H. Kristensen
Signed-off-by: Brian Norris
---
This was in part picked up from:
https://lore.kernel.org/all/20180405095000.9756-25-enric.balle...@collabora.com/
[PATCH v6 24/30] drm/rockchip: Disable PSR on input events
with significant rewrites/reworks:
- mov
e void*; users should use container_of()
- Document the callback context
- Delay PSR re-entry, when already disabled
- Allow default configuration via Kconfig and modparam
- really CC dri-devel@lists.freedesktop.org (oops!)
Brian Norris (2):
drm/input_helper: Add new input-handling helper
y to display video, and subsequent PSR-entry is
safe.
Tested on a Samsung Chromebook Plus (i.e., Rockchip RK3399 Gru Kevin),
where this saves about 60ms of latency, for PSR-exit that used to
take about 80ms.
Fixes: 6c836d965bad ("drm/rockchip: Use the helpers for PSR")
Cc:
Cc: Zain Wang
y to display video, and subsequent PSR-entry is
safe.
Tested on a Samsung Chromebook Plus (i.e., Rockchip RK3399 Gru Kevin),
where this saves about 60ms of latency, for PSR-exit that used to
take about 80ms.
Fixes: 6c836d965bad ("drm/rockchip: Use the helpers for PSR")
Cc:
Cc: Zain Wang
On Wed, Oct 20, 2021 at 06:23:35PM -0700, Brian Norris wrote:
> On Wed, Oct 20, 2021 at 5:40 PM Sean Paul wrote:
> > The actual latency gains from doing this synchronously are minimal since the
> > panel will display new content as soon as it can regardless of whether the
> &g
(Dropping Andrzej, because that address keeps bouncing. Does
MAINTAINERS and/or .mailmap need updating?)
Apologies for the double reply here, but I forgot to mention one last
thing for now:
On Wed, Oct 20, 2021 at 5:40 PM Sean Paul wrote:
>
> On Wed, Oct 20, 2021 at 04:17:28PM -0700,
On Wed, Oct 20, 2021 at 5:40 PM Sean Paul wrote:
> On Wed, Oct 20, 2021 at 04:17:28PM -0700, Brian Norris wrote:
> > Prior to commit 6c836d965bad ("drm/rockchip: Use the helpers for PSR"),
> > "PSR disable" used non-blocking analogix_dp_send_psr_spd(). Th
ine-derived") variant of the driver currently deployed
to Chrome OS Rockchip systems.
Tested on a Samsung Chromebook Plus (i.e., Rockchip RK3399 Gru Kevin).
Fixes: 6c836d965bad ("drm/rockchip: Use the helpers for PSR")
Cc:
Cc: Zain Wang
Cc: Tomasz Figa
Cc: Heiko Stuebner
Cc: Sean
https://01.org/linuxgraphics/gfx-docs/maintainer-tools/drm-misc.html
gives HTTP 404, and
https://01.org/linuxgraphics/gfx-docs/maintainer-tools/ redirects to
freedesktop.org now.
Let's save people the pain of figuring that out.
Signed-off-by: Brian Norris
Reviewed-by: Sean Paul
---
Chang
On Tue, Oct 19, 2021 at 5:59 PM Brian Norris wrote:
>
> https://drm.pages.freedesktop.org/maintainer-tools/drm-misc.html gives
> HTTP 404, and https://drm.pages.freedesktop.org/maintainer-tools/
> redirects to freedesktop.org now.
With a dash of irony, I actually listed the wrong
https://drm.pages.freedesktop.org/maintainer-tools/drm-misc.html gives
HTTP 404, and https://drm.pages.freedesktop.org/maintainer-tools/
redirects to freedesktop.org now.
Let's save people the pain of figuring that out.
Signed-off-by: Brian Norris
---
MAINTAINERS | 2 +-
1 file chang
igned-off-by: Brian Norris
---
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index ba9e14da41b4..b28ea5d6a3e2 100644
--- a/drivers/gp
Fixes: 0d97ad03f422 ("drm/bridge: analogix_dp: Remove duplicated code")
Cc:
Cc: Tomeu Vizoso
Signed-off-by: Brian Norris
---
Changes in v2:
- Fix spelling in Subject
- DRM_DEV_ERROR() -> drm_err()
- Propagate errors from un-analogix_dp_prepare_panel()
.../drm/brid
On Fri, Oct 1, 2021 at 1:37 PM Sean Paul wrote:
> On Wed, Sep 29, 2021 at 02:41:03PM -0700, Brian Norris wrote:
> > --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> > +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> > @@ -1632,8 +1632
Fixes: 0d97ad03f422 ("drm/bridge: analogix_dp: Remove duplicated code")
Cc:
Cc: Tomeu Vizoso
Signed-off-by: Brian Norris
---
.../gpu/drm/bridge/analogix/analogix_dp_core.c | 17 -
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/ana
Fix some error handling here noticed in review of other changes.
Fixes: 2d4f7bdafd70 ("drm/rockchip: dsi: migrate to use dw-mipi-dsi bridge
driver")
Signed-off-by: Brian Norris
Reported-by: Chen-Yu Tsai
Reviewed-by: Chen-Yu Tsai
---
Changes in v3:
- Add Fixes, Reviewed-by
Cha
Our probe() function never enabled this clock, so we shouldn't disable
it if we fail to probe the bridge.
Noted by inspection.
Fixes: 2d4f7bdafd70 ("drm/rockchip: dsi: migrate to use dw-mipi-dsi bridge
driver")
Signed-off-by: Brian Norris
Reviewed-by: Chen-Yu Tsai
---
(no c
e ordering and timing of built-in device
probe.
Fixes: 43c2de1002d2 ("drm/rockchip: dsi: move all lane config except LCDC mux
to bind()")
Link:
https://lore.kernel.org/linux-rockchip/9aedfb528600ecf871885f7293ca4207c84d16c1.ca...@gmail.com/
Reported-by:
Cc:
Signed-off-by: Brian Norris
riate pre-enable() times), but that was
discarded along the way. I've avoided that still, because mode_set()
documentation doesn't suggest this kind of purpose as far as I can tell.
Fixes: 43c2de1002d2 ("drm/rockchip: dsi: move all lane config except LCDC mux
to bind()")
w patch, to fix related PM issue discovered after patch 1
Changes in v2:
- Clean up pm-runtime state in error cases.
- Correct git hash for Fixes.
Brian Norris (4):
drm/rockchip: dsi: Hold pm-runtime across bind/unbind
drm/rockchip: dsi: Reconfigure hardware on resume()
drm/rockchip: dsi: Fix u
On Mon, Sep 27, 2021 at 9:16 PM Chen-Yu Tsai wrote:
>
> On Tue, Sep 28, 2021 at 2:00 AM Brian Norris wrote:
> >
> > Fix some error handling here noticed in review of other changes.
> >
> > Reported-by: Chen-Yu Tsai
> > Signed-off-by: Brian Norris
>
&g
On Mon, Sep 27, 2021 at 10:59:42AM -0700, Brian Norris wrote:
> In commit 43c2de1002d2, we moved most HW configuration to bind(), but we
> didn't move the runtime PM management. Therefore, depending on initial
> boot state, runtime-PM workqueue delays, and other timing factors, we
On Mon, Sep 27, 2021 at 12:18 PM Tom Hebb wrote:
> Reviewed-by: Thomas Hebb
Thanks!
> Thank you for catching this, and sorry that my original fix broke things.
> There had actually been a report of this breakage from my patch, but I
> missed that email until it had already been merged and then
On Mon, Sep 27, 2021 at 12:10 AM Chen-Yu Tsai wrote:
> On Sat, Sep 25, 2021 at 7:24 AM Brian Norris wrote:
> > We should match the runtime PM to the lifetime of the bind()/unbind()
> > cycle.
>
> I'm not too familiar with MIPI DSI, but it seems that the subsystem ex
Fix some error handling here noticed in review of other changes.
Reported-by: Chen-Yu Tsai
Signed-off-by: Brian Norris
---
Changes in v2:
- New
drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 8 +---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/rockchip
Our probe() function never enabled this clock, so we shouldn't disable
it if we fail to probe the bridge.
Noted by inspection.
Fixes: 2d4f7bdafd70 ("drm/rockchip: dsi: migrate to use dw-mipi-dsi bridge
driver")
Signed-off-by: Brian Norris
Reviewed-by: Chen-Yu Tsai
---
(no c
e ordering and timing of built-in device
probe.
Fixes: 43c2de1002d2 ("drm/rockchip: dsi: move all lane config except LCDC mux
to bind()")
Link:
https://lore.kernel.org/linux-rockchip/9aedfb528600ecf871885f7293ca4207c84d16c1.ca...@gmail.com/
Reported-by:
Cc:
Signed-off-by: Brian Norris
state in error cases.
- Correct git hash for Fixes.
Brian Norris (3):
drm/rockchip: dsi: Hold pm-runtime across bind/unbind
drm/rockchip: dsi: Fix unbalanced clock on probe error
drm/rockchip: dsi: Disable PLL clock on bind error
.../gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 45 +++
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