in v4:
- add ST_SUSPEND_PENDING to handles suspend/modeset test operations
- clear dp phy aux interrupt status when ERR_DPPHY_AUX error
- send segment addr during edid read
- clear bpp depth before MISC register write
Changes in v5:
- add ST_SUSPENDED to fix crash at resume
Signed-off-by: Kuogee Hsieh
in v4:
- add ST_SUSPEND_PENDING to handles suspend/modeset test operations
- clear dp phy aux interrupt status when ERR_DPPHY_AUX error
- send segment addr during edid read
- clear bpp depth before MISC register write
Changes in v5:
- add ST_SUSPENDED to fix crash at resume
Signed-off-by: Kuogee Hsieh
:
-- at msm_dp_display_enable() do not return until resume_done to avoid
kms commit timeout
Signed-off-by: Kuogee Hsieh
This patch depends-on following series:
https://lore.kernel.org/dri-devel/20200827211658.27479-1-tan...@codeaurora.org/
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 6
:
-- 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
gon
Chipsets)
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/dp/dp_reg.h | 2 +
5 fi
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
---
drivers/gpu/drm/msm/dp/dp_catalog.c | 13 +++
drivers/gpu/drm/msm
:
-- Add more information to commit message.
Changes in V3:
-- change base
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 40 ++---
drivers/gpu/drm/msm/dp/dp_panel.c | 5
2 files changed, 24 insertions(+), 21 deletions(-)
diff --git a/drivers
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
-- address review comments
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c| 26 +
drivers/gpu
:
-- Add more information to commit message.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 43 +++--
drivers/gpu/drm/msm/dp/dp_panel.c | 5
2 files changed, 27 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b
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
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c| 27
more information to commit message.
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_display.c | 117 +---
drivers/gpu/drm/msm/dp/dp_reg.h | 2 +
4 files changed
depends-on following series:
https://lkml.kernel.org/lkml/20200812044223.19279-1-tan...@codeaurora.org/t.atom
Signed-off-by: Kuogee Hsieh
Signed-off-by: Guenter Roeck
Signed-off-by: Tanmay Shah
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 6 +
drivers/gpu/drm/msm/dp/dp_aux.c
-by: Kuogee Hsieh
This patch depends-on following series:
https://patchwork.kernel.org/project/dri-devel/list/?series=334239
This patch depends-on following series:
https://patchwork.kernel.org/project/dri-devel/list/?series=334239
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 6 +
drivers
in v4:
- fix crash while device in suspend mode
- also fix modeset test
This patch depends-on:
https://lkml.kernel.org/lkml/20200827211658.27479-1-tan...@codeaurora.org/
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 6 +
drivers/gpu/drm/msm/dp/dp_aux.c
Set link rate by using OPP set rate api so that CX level will be set
accordingly base on the link rate.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c| 33 ++-
drivers/gpu/drm/msm/dp/dp_ctrl.h| 2 +-
drivers/gpu/drm/msm/dp/dp_display.c | 8
return connection status base on hpd realtime state status
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_display.c | 58 -
drivers/gpu/drm/msm/dp/dp_reg.h
at both dp_pm_suspend and dp_pm_resume.
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_display.c | 67 -
drivers/gpu/drm/msm/dp/dp_reg.h | 2 +
4 files changed, 43
Connection state is set incorrectly happen at either failure of link train
or cable plugged in while suspended. This patch fixes these problems.
This patch also replace ST_SUSPEND_PENDING with ST_DISPLAY_OFF.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_display.c | 52
- Check and enable link clock during modeset
- Drop unused code and fix function prototypes.
- set sink power to normal operation state (D0) before CDPD read
Signed-off-by: Kuogee Hsieh
Signed-off-by: Guenter Roeck
Signed-off-by: Tanmay Shah
---
drivers/gpu/drm/msm/dp/dp_aux.c | 3
-devel/20200630184507.15589-1-tan...@codeaurora.org/
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 12 +-
drivers/gpu/drm/msm/dp/dp_aux.c | 4 +
drivers/gpu/drm/msm/dp/dp_aux.h | 1 +
drivers/gpu/drm/msm/dp/dp_catalog.c | 78
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
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
on 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
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
Signed-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/
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
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
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
Signed-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
. 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
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
No need to check LINK_STATuS_UPDATED bit before
return 6 bytes of link status during link training.
This patch also fix phy compliance test link rate
conversion error.
Signed-off-by: Kuogee Hsieh
---
drivers/gpu/drm/msm/dp/dp_ctrl.c | 20 ++--
drivers/gpu/drm/msm/dp/dp_link.c
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
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
:
-- 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
:
-- 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
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
-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/drivers/gpu/drm/msm/dp/dp_ctrl.c
index c7af040ce252
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
at 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
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
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 ++-
drivers/gpu/drm/msm/dp/dp_panel.c | 2 +-
5 fil
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
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
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
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
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
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
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/
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
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
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 ++---
that 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
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
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
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
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
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
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
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
.
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
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
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..0ba7
() at 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
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
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
() at 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
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
.
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
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
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
yd
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
() at 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
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
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
te = <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
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
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
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
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
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
that 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
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
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
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/
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
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(-)
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