Maybe when the cable is disconnected the DP phy should be shutdown and
some bit in the phy could effectively "cut off" the aux channel and then
NAKs would start coming through here in the DP controller I/O register
space. This patch have DP aux channel read/write to return NAK immediately
if DP con
Initialize audio_comp when audio starts and wait for audio_comp at
dp_display_disable(). This will take care of both dongle unplugged
and display off (suspend) cases.
Changes in v2:
-- add dp_display_signal_audio_start()
Changes in v3:
-- restore dp_display_handle_plugged_change() at dp_hpd_unplu
Quoting khs...@codeaurora.org (2021-04-15 15:02:40)
> On 2021-04-15 13:06, Stephen Boyd wrote:
> >
> > Is it really necessary to have this patch at all? I think there are
> > bigger problems with suspend/resume of the DP driver in relation to the
> > kthread stopping. I hope that the aux channel w
On Wed, Apr 14, 2021 at 10:09:49PM +0530, Rajeev Nandan wrote:
> If the panel connected to the bridge supports backlight control
> using DPCD registers on the DisplayPort aux channel, setting
> "use-aux-backlight" property in the bridge node will enable the
> registration of a DP aux backlight devi
On 2021-04-15 13:06, Stephen Boyd wrote:
Quoting khs...@codeaurora.org (2021-04-15 10:37:29)
On 2021-04-14 14:09, Stephen Boyd wrote:
> Quoting Kuogee Hsieh (2021-04-13 16:11:44)
>> Make sure main link is in connection state before start aux
>> read/write operation to avoid unnecessary long dela
Quoting khs...@codeaurora.org (2021-04-15 10:37:29)
> On 2021-04-14 14:09, Stephen Boyd wrote:
> > Quoting Kuogee Hsieh (2021-04-13 16:11:44)
> >> Make sure main link is in connection state before start aux
> >> read/write operation to avoid unnecessary long delay due to
> >> main link had been unp
On 2021-04-14 14:22, Stephen Boyd wrote:
Quoting Kuogee Hsieh (2021-04-14 14:02:50)
Initialize audio_comp when audio starts and wait for audio_comp at
dp_display_disable(). This will take care of both dongle unplugged
and display off (suspend) cases.
Changes in v2:
-- add dp_display_start_audio
On 2021-04-14 14:09, Stephen Boyd wrote:
Quoting Kuogee Hsieh (2021-04-13 16:11:44)
Make sure main link is in connection state before start aux
read/write operation to avoid unnecessary long delay due to
main link had been unplugged.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_a
Hi
On 12/04/2021 03:01, Dmitry Baryshkov wrote:
msm_dsi_phy_get_clk_provider() always returns two provided clocks, so
return 0 instead of returning incorrect -EINVAL error code.
Fixes: 5d13459650b3 ("drm/msm/dsi: push provided clocks handling into a generic
code")
Signed-off-by: Dmitry Baryshk
