Set link rate by using OPP set rate api so that CX level will be set
accordingly based on the link rate.
Changes in v2:
-- remove dev from dp_ctrl_put() parameters
-- Add more information to commit message
Changes in v3:
-- return when dev_pm_opp_set_clkname() failed
Signed-off-by: Kuogee Hsieh
. For example 0x0A is equivalent
to 2.7Gb. This patch also convert link rate correctly to fix
phy compliance test link rate error.
Chanegs in V2:
-- revise commit text
Fixes: fd4a29bed29b (drm/msm/dp: DisplayPort PHY compliance tests fixup)
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp
Some dongles, such as Apple, required link training done at irq_hpd
request instead of plugin request. This patch promote irq_hpd hanlder
to handle link training and setup hpd_state correctly.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 20 ++--
1 file
ned-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c| 34 +++--
drivers/gpu/drm/msm/dp/dp_display.c | 13 +++
2 files changed, 45 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index ce
Some dongle require link training be done at irq_hpd request. This serial
patches address the issues so that DP/HDMI display can be lit up properlly.
This serial Patch also fixes clock stuck at "off" state error caused by
previous link training failed.
Kuogee Hsieh (3):
drm/msm/dp: de
ned-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_catalog.c | 2 +-
drivers/gpu/drm/msm/dp/dp_catalog.h | 2 +-
drivers/gpu/drm/msm/dp/dp_ctrl.c| 40 +++--
drivers/gpu/drm/msm/dp/dp_display.c | 15 ++-
drivers/gpu/drm/msm/dp/dp_panel.c | 2 +-
5 fil
: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 20 ++--
drivers/gpu/drm/msm/dp/dp_link.c | 29 ++---
2 files changed, 20 insertions(+), 29 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index c7af040ce252
Some dongles require link training done at irq_hpd request instead
of plugin request. This patch promote irq_hpd handler to handle link
training and setup hpd_state correctly.
Fixes: fdaf9a5e3c15 (drm/msm/dp: fixes wrong connection state caused by
failure of link training)
Signed-off-by: Kuogee
atomic_t with u32
Changes in v4
-- call dp_display_host_deinit() at dp_pm_suspend()
-- call dp_display_host_init() at msm_dp_display_enable()
-- fix phy->init_count unbalance which causes link training failed
Signed-off-by: Kuogee Hsieh
(am from https://lore.kernel.org/patchwork/patch/1320
cherry-pick 3 patches at chromeos-5.4 to msm-next-staging
Kuogee Hsieh (2):
FROMLIST: drm/msm/dp: return correct connection status after suspend
FROMLIST: drm/msm/dp: fixes wrong connection state caused by failure
of link train
Stephen Boyd (1):
FIXUP: FROMLIST: drm/msm/dp: return
both dp_pm_suspend and dp_pm_resume.
Signed-off-by: Kuogee Hsieh
(am from https://lore.kernel.org/patchwork/patch/1312265/)
(also found at
https://lore.kernel.org/r/20200926203454.13643-1-khs...@codeaurora.org)
BUG=b:166844571, b:148864048
TEST=On lazor, suspend with DP connected, disconnect cable
:
-- Add more information to commit message.
Changes in V3:
-- change base
Signed-off-by: Kuogee Hsieh
(am from https://lore.kernel.org/patchwork/patch/1320896/)
(also found at
https://lore.kernel.org/r/20201013233544.5324-1-khs...@codeaurora.org)
BUG=b:166844571, b:148864048, b:170279524
TEST
gon
Chipsets)
Tested-by: Stephen Boyd
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_catalog.c | 13 +++
drivers/gpu/drm/msm/dp/dp_catalog.h | 1 +
drivers/gpu/drm/msm/dp/dp_ctrl.c| 5 +
drivers/gpu/drm/msm/dp/dp_display.c | 144 +++-
drivers/gpu/drm/msm
:
-- Add more information to commit message.
Changes in V3:
-- change base
Changes in V4:
-- add Fixes tag
Fixes: 22688d4067f6 (drm/msm/dp: return correct connection status after suspend)
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 42
Cherry-pick two missed drm/msm/dp related patches to msm-next-staging
Kuogee Hsieh (2):
drm/msm/dp: return correct connection status after suspend
drm/msm/dp: fixes wrong connection state caused by failure of link
train
drivers/gpu/drm/msm/dp/dp_catalog.c | 13 +++
drivers/gpu/drm/msm
t PHY compliance tests fixup")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 20 ++--
drivers/gpu/drm/msm/dp/dp_link.c | 29 ++---
2 files changed, 20 insertions(+), 29 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/d
Some dongle require link training be done at irq_hpd request. This serial
patches address the issues so that DP/HDMI display can be lit up properlly.
This serial Patch also fixes clock stuck at "off" state error caused by
previous link training failed.
Kuogee Hsieh (3):
drm/msm/dp: de
state caused by
failure of link training")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_catalog.c | 2 +-
drivers/gpu/drm/msm/dp/dp_catalog.h | 2 +-
drivers/gpu/drm/msm/dp/dp_ctrl.c| 40 +++--
drivers/gpu/drm/msm/dp/dp_display.c | 15 ++-
dr
ilure of link training")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 25 +
1 file changed, 21 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index 0c0573ad34e6..27e7e27b8
ned-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 78 +
1 file changed, 45 insertions(+), 33 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index 27e7e27b8b90..4e84f500b721 100644
--- a/drivers/gpu/
complaint
Reported-by: kernel test robot
Fixes: 26b8d66a399e ("drm/msm/dp: promote irq_hpd handle to handle link
training correctly")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 91 ++---
1 file changed, 54 insertions(+), 37 deletion
complaint
Changes in V3:
-- add encoder_mode_set into struct dp_display_private
Reported-by: kernel test robot
Fixes: 26b8d66a399e ("drm/msm/dp: promote irq_hpd handle to handle link
training correctly")
Tested-by: Stephen Boyd
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp
irq_hpd event can only be executed at connected state. Therefore
irq_hpd event should be postponed if it happened at connection
pending state. This patch also make sure both link rate and lane
are valid before start link training.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp
Both AUX_SW_RESET and DP_SW_RESET clear pending HPD interrupts.
Therefore irq_hpd handler should not issues either aux or sw reset
to avoid following unplug interrupt be cleared accidentally.
Kuogee Hsieh (2):
drm/msm/dp: postpone irq_hpd event during connection pending state
drm/msm/dp
accidentally.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_aux.c | 7 ---
drivers/gpu/drm/msm/dp/dp_catalog.c | 24
drivers/gpu/drm/msm/dp/dp_ctrl.c| 15 ++-
3 files changed, 34 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu
irq_hpd event can only be executed at connected state. Therefore
irq_hpd event should be postponed if it happened at connection
pending state. This patch also make sure both link rate and lane
are valid before start link training.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp
Both AUX_SW_RESET and DP_SW_RESET clear pending HPD interrupts.
Therefore irq_hpd handler should not issues either aux or sw reset
to avoid following unplug interrupt be cleared accidentally.
Kuogee Hsieh (2):
drm/msm/dp: return fail when both link lane and rate are 0 at dpcd
read
drm/msm
accidentally. This patch
also postpone handling of irq_hpd until connected state if it
happened at connection pending state.
Changes in V2:
-- add postpone handling of irq_hpd until connected state
-- check DP_TRAINING_1 instead of DP_TRAINING_NONE
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm
-- add Fixes tag
Fixes: 78f94fbb6122 ("drm/msm/dp: fix connect/disconnect handled at irq_hpd")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_panel.c | 12 +---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c
b/drive
DP_SW_RESET at boot up and pm_resume.
This patch also reinit video_comp before configure dp controller
to avoid missing VIDEO_READY interrupt.
Fixes: 9fc418430c65 ("drm/msm/dp: unplug interrupt missed after irq_hpd
handler")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl
Add hbr3_hbr2 voltage and pre-emphasis swing table to support
HBR3 link rate
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_panel.c | 4
drivers/phy/qualcomm/phy-qcom-qmp.c | 24 ++--
2 files changed, 22 insertions(+), 6 deletions(-)
diff --git a/drivers
Drop limit link rate at HBR2 to support link rate
upto HBR3.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_panel.c | 4
1 file changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c
b/drivers/gpu/drm/msm/dp/dp_panel.c
index 9cc8166..63112fa 100644
--- a
<54> for max link rate limited at 5.4G
link-rate = <81> for max link rate limited at 8.1G
Changes in V2:
-- allow supported max link rate specified from dtsi
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 1 +
drivers/gpu/drm/msm/dp/dp_panel.c | 7
.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_aux.c | 18 ++
drivers/gpu/drm/msm/dp/dp_aux.h | 1 +
drivers/gpu/drm/msm/dp/dp_display.c | 16
drivers/gpu/drm/msm/dp/dp_link.c| 20 +++-
4 files changed, 46 insertions(+), 9
At pm_resume check link sisnk_count before update is_connected status
base on HPD real time link status. Also print out error message only
when either EV_CONNECT_PENDING_TIMEOUT or EV_DISCONNECT_PENDING_TIMEOUT
happen.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 6
to 1 once an HDMI
cable is plugged into the dongle so that display connected status
will become true. This checking also apply at pm_resume.
Fixes: 94e58e2d06e3 ("drm/msm/dp: reset dp controller only at boot up and
pm_resume")
Reported-by: Stephen Boyd
Signed-off-by: Kuogee Hsieh
--
is triggered by dongle unplugged.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index 0ba71c7..1d71c95 100644
--- a/drivers
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_aux.c | 5 +
drivers/gpu/drm/msm/dp/dp_link.c | 20 +++-
2 files
Tested-by: Stephen Boyd
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 15 ---
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index 5a39da6..0ba71c7 100644
--- a/drivers/gpu/
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()
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_audio.c | 1
dp_hpd_unplug_handle().
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_audio.c | 1 +
drivers/gpu/drm/msm/dp/dp_display.c | 11 +--
drivers/gpu/drm/msm/dp/dp_display.h | 1 +
3 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_audio.c
b/drivers
tely
if DP controller connection status is in unplugged state.
Changes in V3:
-- check core_initialized before handle irq_hpd
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_aux.c | 5 +
drivers/gpu/drm/msm/dp/dp_display.c | 14 ++
drivers/gpu/drm/msm/dp/dp_link
dp_hpd_unplug_handle().
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_audio.c | 1 +
drivers/gpu/drm/msm/dp/dp_display.c | 11 +--
drivers/gpu/drm/msm/dp/dp_display.h | 1 +
3 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_audio.c
b/drivers
tely
if DP controller connection status is in unplugged state.
Changes in V3:
-- check core_initialized before handle irq_hpd
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_aux.c | 5 +
drivers/gpu/drm/msm/dp/dp_display.c | 14 ++
drivers/gpu/drm/msm/dp/dp_link
Some dongle may generate more than one irq_hpd events in a short period of
time. This patch will treat those irq_hpd events as single one and service
only one irq_hpd event.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 9 +
1 file changed, 9 insertions(+)
diff
.
Changes in v2:
-- re wording of commit test
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 12
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index 5a39da6..1107c4e 100644
--- a/drivers/gpu
y: Stephen Boyd
Tested-by: Stephen Boyd
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 15 ---
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index 5a39da6..0ba71c7 10
1) check sink_count before update is_connected status
2) initialize audio_comp when audio starts
3) check main link status before start aux read
4) dp_link_parse_sink_count() return immediately if aux read failed
Kuogee Hsieh (4):
drm/msm/dp: check sink_count before update is_connected status
tely
if DP controller connection status is in unplugged state.
Changes in V4:
-- split this patch as stand alone patch
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_aux.c | 5 +
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_aux.c b/drivers/gpu/drm/msm/d
Add checking aux read/write status at both dp_link_parse_sink_count()
and dp_link_parse_sink_status_filed() to avoid long timeout delay if
dp aux read/write failed at timeout due to cable unplugged.
Changes in V4:
-- split this patch as stand alone patch
Signed-off-by: Kuogee Hsieh
---
drivers
dp_hpd_unplug_handle().
Changes in v4:
-- none
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_audio.c | 1 +
drivers/gpu/drm/msm/dp/dp_display.c | 11 +--
drivers/gpu/drm/msm/dp/dp_display.h | 1 +
3 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp
DP mainlink can be either enabled or disabled at the time of suspend
happen. Therefore DP phy teared down at suspend should base on mainlink
status at that instance.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c| 5 -
drivers/gpu/drm/msm/dp/dp_ctrl.h| 2
Aux channel is used to perform management function and should be
running in parallel with main link. Therefore should only power
down main link and keep aux channel running when power down phy.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c| 4
drivers/phy/qualcomm
ount = 0 correctly)
Sgned-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index dbd8943..3924ac6 100644
--- a/drivers/gpu/drm/msm/dp/dp_ctrl.c
+++ b/drivers
end()
Fixes: 0114f31a2903 ("drm/msm/dp: handle irq_hpd with sink_count = 0 correctly)
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c| 10 +-
drivers/gpu/drm/msm/dp/dp_display.c | 4 +++-
drivers/gpu/drm/msm/dp/dp_power.c | 15 +++
3 files cha
end()
Changes in V4:
-- delete changes made at dp_power.c
-- move main link status checking to dp_pm_suspend
Fixes: 0114f31a2903 ("drm/msm/dp: handle irq_hpd with sink_count = 0 correctly)
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c| 10 ++
drivers/gpu/dr
Add DP device node on sc7180.
Signed-off-by: Kuogee Hsieh
---
arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 9
arch/arm64/boot/dts/qcom/sc7180.dtsi | 77
2 files changed, 86 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
b
end()
Changes in V4:
-- delete changes made at dp_power.c
-- move main link status checking to dp_pm_suspend
Changes in V5:
-- correct commit id at Fixes tag
Fixes: 8dbde399044b ("drm/msm/dp: handle irq_hpd with sink_count = 0 correctly)
Signed-off-by: Kuogee Hsieh
Tested-by: Stephen Boyd
Add DP device node on sc7180.
Changes in v2:
-- replace msm_dp with dp
-- replace dp_opp_table with opp_table
Signed-off-by: Kuogee Hsieh
---
arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 9
arch/arm64/boot/dts/qcom/sc7180.dtsi | 78
2 files changed
Add DP device node on sc7180.
Changes in v2:
-- replace msm_dp with dp
-- replace dp_opp_table with opp_table
Changes in v3:
-- correct text of commit title
Signed-off-by: Kuogee Hsieh
---
arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 9
arch/arm64/boot/dts/qcom/sc7180.dtsi
Add DP device node on sc7180.
Signed-off-by: Kuogee Hsieh
---
Changes in v2:
-- replace msm_dp with dp
-- replace dp_opp_table with opp_table
Changes in v3:
-- correct text of commit title
Changes in v4:
-- replace dp with mdss_dp
-- replace opp_table with dp_opp_table
arch/arm64/boot/dts
end()
Changes in V4:
-- delete changes made at dp_power.c
-- move main link status checking to dp_pm_suspend
Changes in V5:
-- correct commit id at Fixes tag
Fixes: 8dbde399044b ("drm/msm/dp: handle irq_hpd with sink_count = 0 correctly)
Signed-off-by: Kuogee Hsieh
Tested-by: Stephen Boyd
From: Rajkumar Subbiah
The commit 2f015ec6eab69301fdcf54d397810d72362d7223 added some debug
code for sideband message tracing. But it seems to have unintentionally
changed the behavior on sideband message failure. It catches and returns
failure only if DRM_UT_DP is enabled. Otherwise it ignores t
ise commit text as review comment
-- add Fixes text
Fixes: 2f015ec6eab6 ("drm/dp_mst: Add sideband down request tracing +
selftests")
Signed-off-by: Rajkumar Subbiah
Signed-off-by: Kuogee Hsieh
Reviewed-by: Stephen Boyd
---
drivers/gpu/drm/drm_dp_mst_topology.c | 10 ++---
as review comment
-- add Fixes text
Fixes: 2f015ec6eab6 ("drm/dp_mst: Add sideband down request tracing +
selftests")
Signed-off-by: Rajkumar Subbiah
Signed-off-by: Kuogee Hsieh
Reviewed-by: Stephen Boyd
---
drivers/gpu/drm/drm_dp_mst_topology.c | 10 ++
1 file changed
as review comment
-- add Fixes text
Changes in V3:
-- remove "unlikely" optimization
Fixes: 2f015ec6eab6 ("drm/dp_mst: Add sideband down request tracing +
selftests")
Signed-off-by: Rajkumar Subbiah
Signed-off-by: Kuogee Hsieh
Reviewed-by: Stephen Boyd
---
drivers/gpu/
add fixes to pass DP Link Layer compliance test cases
Kuogee Hsieh (7):
drm/msm/dp: use dp_ctrl_off_link_stream during PHY compliance test run
drm/msm/dp: reduce link rate if failed at link training 1
drm/msm/dp: reset aux controller after dp_aux_cmd_fifo_tx() failed.
drm/msm/dp: replug
Reduce link rate and re start link training if link training 1
failed due to loss of clock recovery done to fix Link Layer
CTS case 4.3.1.7. Also only update voltage and pre-emphasis
swing level after link training started to fix Link Layer CTS
case 4.3.1.6.
Signed-off-by: Kuogee Hsieh
connected.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index caf71fa..27fb0f0 100644
--- a/drivers/gpu/drm/msm/dp/dp_ctrl.c
+++ b/drivers/gpu
link is in connection state when dp_aux_cmd_fifo_tx()
fail. This fixes Link Layer CTS cases 4.2.1.1 and 4.2.1.2.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_aux.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_aux.c b/drivers/gpu/drm/msm/dp
and 4.3.2.4.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 36 +---
1 file changed, 21 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index 6f8443d..0cb01a9 100644
--- a/drivers
Response with correct edid checksum saved at connector after corrupted edid
checksum read. This fixes Link Layer CTS cases 4.2.2.3, 4.2.2.6.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_panel.c | 9 +++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu
the coming video stream can be transmitted
to sink properly.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 34 ++
1 file changed, 34 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index 0cb01a9
Remove special handling of replug interrupt and instead treat replug event
as a sequential unplug followed by a plugin event. This is needed to meet
the requirements of DP Link Layer CTS test case 4.2.1.3.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 13 +
1
add fixes to pass DP Link Layer compliance test cases
Kuogee Hsieh (7):
drm/msm/dp: use dp_ctrl_off_link_stream during PHY compliance test run
drm/msm/dp: reduce link rate if failed at link training 1
drm/msm/dp: reset aux controller after dp_aux_cmd_fifo_tx() failed.
drm/msm/dp: replug
with link_status[DP_LINK_STATUS_SIZE]
-- replaced dp_ctrl_any_lane_cr_done() with dp_ctrl_colco_recovery_any_ok()
-- replaced dp_ctrl_any_ane_cr_lose() with !drm_dp_clock_recovery_ok()
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 78
connected.
Changes in V2:
-- add fixes statement
Fixes: f21c8a276c2d ("drm/msm/dp: handle irq_hpd with sink_count = 0 correctly")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/dp
q_hpd with sink_count = 0 correctly")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 13 +
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index 78c5301..d089ada 100644
---
link is in connection state when dp_aux_cmd_fifo_tx()
fail. This fixes Link Layer CTS cases 4.2.1.1 and 4.2.1.2.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_aux.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_aux.c b/drivers/gpu/drm/msm/dp
Response with correct edid checksum saved at connector after corrupted edid
checksum read. This fixes Link Layer CTS cases 4.2.2.3, 4.2.2.6.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_panel.c | 9 +++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu
and 4.3.2.4.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 36 +---
1 file changed, 21 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index 92cf331..6a013b0 100644
--- a/drivers
the coming video stream can be transmitted
to sink properly.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 29 +
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c
index 6a013b0
after system resumed.
Fixes: bd52cfedb5a8 ("drm/msm/dp: power off DP phy at suspend")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 4
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
ind
after system resumed.
Changes in V2:
-- correct Fixes tag commit id.
Fixes: f591dbb5fb8c ("drm/msm/dp: power off DP phy at suspend")
Signed-off-by: Kuogee Hsieh
Reviewed-by: Stephen Boyd
---
drivers/gpu/drm/msm/dp/dp_display.c | 4
1 file changed, 4 insertions(+)
diff --git a/d
nd decided is_connected state
base
on both sink count and hpd connection status.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 23 +--
1 file changed, 21 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/
nd decided is_connected state
base
on both sink count and hpd connection status.
Changes in v2:
-- remove dp_get_sink_count() cand call drm_dp_read_sink_count()
Fixes: d9aa6571b28ba ("drm/msm/dp: check sink_count before update is_connected
status")
Signed-off-by: Kuogee Hsieh
---
dr
te is_connected
status")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 18 +++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index 78c5301..0f39256 100644
--- a/dr
e()
Fixes: d9aa6571b28ba ("drm/msm/dp: check sink_count before update is_connected
status")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 17 ++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/dr
connected.
Changes in V2:
-- add fixes statement
Fixes: f21c8a276c2d ("drm/msm/dp: handle irq_hpd with sink_count = 0 correctly")
Signed-off-by: Kuogee Hsieh
Reviewed-by: Stephen Boyd
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
di
add fixes to pass DP Link Layer compliance test cases
Kuogee Hsieh (6):
drm/msm/dp: use dp_ctrl_off_link_stream during PHY compliance test run
drm/msm/dp: reduce link rate if failed at link training 1
drm/msm/dp: reset aux controller after dp_aux_cmd_fifo_tx() failed.
drm/msm/dp: replug
with link_status[DP_LINK_STATUS_SIZE]
-- replaced dp_ctrl_any_lane_cr_done() with dp_ctrl_colco_recovery_any_ok()
-- replaced dp_ctrl_any_ane_cr_lose() with !drm_dp_clock_recovery_ok()
Changes in V3:
-- return failed if lane_count <= 1
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm
: f21c8a276c2d ("drm/msm/dp: handle irq_hpd with sink_count = 0 correctly")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 14 +-
1 file changed, 5 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/
4.3.2.4.
Changes in v3:
-- merge retrain link if loss of symbol locked happen into this patch
-- replace dp_ctrl_loss_symbol_lock() with dp_ctrl_channel_eq_ok()
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 56 +---
1 file changed, 41
link is in connection state when dp_aux_cmd_fifo_tx()
fail. This fixes Link Layer CTS cases 4.2.1.1 and 4.2.1.2.
Signed-off-by: Kuogee Hsieh
Reviewed-by: Stephen Boyd
---
drivers/gpu/drm/msm/dp/dp_aux.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_aux.c b
Response with correct edid checksum saved at connector after corrupted edid
checksum read. This fixes Link Layer CTS cases 4.2.2.3, 4.2.2.6.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_panel.c | 9 +++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu
Add drm debug logs to dp_pm_resume and dp_pm_suspend to help
debug suspend/resume issues.
Fixes: 355ab7428f09 ("drm/msm/dp: add debug logs to dp_pm_resume/suspend")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 13 +
1 file changed, 13 insertion
Changes in V2:
-- correct Fixes text
-- drop commit text
Fixes: 601f0479c583 ("drm/msm/dp: add logs across DP driver for ease of
debugging")
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 13 +
1 file changed, 13 insertions(+)
diff --git a/drive
: f21c8a276c2d ("drm/msm/dp: handle irq_hpd with sink_count = 0 correctly")
Signed-off-by: Kuogee Hsieh
Reviewed-by: Stephen Boyd
---
drivers/gpu/drm/msm/dp/dp_display.c | 14 +-
1 file changed, 5 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
drm/msm/dp: add fixes to pass DP Link Layer compliance test cases
Kuogee Hsieh (6):
drm/msm/dp: use dp_ctrl_off_link_stream during PHY compliance test run
drm/msm/dp: reduce link rate if failed at link training 1
drm/msm/dp: reset aux controller after dp_aux_cmd_fifo_tx() failed.
drm/msm
link is in connection state when dp_aux_cmd_fifo_tx()
fail. This fixes Link Layer CTS cases 4.2.1.1 and 4.2.1.2.
Signed-off-by: Kuogee Hsieh
Reviewed-by: Stephen Boyd
---
drivers/gpu/drm/msm/dp/dp_aux.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/msm/dp/dp_aux.c b
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