From: Tom O'Rourke
SLPC (Single Loop Power Controller) is a replacement for
some host-based power management features. The SLPC
implemenation runs in firmware on GuC.
This series has been tested with SKL guc firmware
version 6.1 and BXT guc version 5.1.
The graphics power management features i
From: Tom O'Rourke
i915.enable_slpc is used to override the default for slpc usage.
The expected values are -1=auto, 0=disabled [default], 1=enabled.
slpc_enable_sanitize() converts i915.enable_slpc to either 0 or 1.
Interpretation of default value is based on HAS_SLPC(), after
slpc_version_chec
From: Tom O'Rourke
Expose host2guc_action for use by SLPC in intel_slpc.c.
Expose functions to allocate and release objects used
by GuC to be used for SLPC shared memory object.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_guc_submission.c | 6 +++---
drivers/gpu/drm/i915/intel_g
From: Tom O'Rourke
The SLPC interface has changed and could continue to
change. Only GuC versions known to be compatible are
supported here.
On Skylake, GuC firmware v6 is supported. Other
platforms and versions can be added here later.
This patch also adds has_slpc to skylake info.
Signed-o
From: Tom O'Rourke
Add has_slpc capablity flag to indicate GuC firmware
supports single loop power control (SLPC). SLPC is
a replacement for some host-based power management
features.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
1 file changed, 2 insertions(+)
diff
From: Tom O'Rourke
On platforms with SLPC support: call intel_slpc_*()
functions from corresponding intel_*_gt_powersave()
functions; and do not use rps functions.
v2: return void instead of ignored error code (Paulo)
enable/disable RC6 in SLPC flows (Sagar)
replace HAS_SLPC() use with i
From: Sagar Arun Kamble
This patch will inform GuC SLPC about changes in the refresh rate
due to Seamless DRRS. Refresh rate changes due to Static DRRS will
be notified via commit path.
v2: Rebased on previous changed patch and printed error message if
H2G action fails.
v2(torourke): Updates sug
From: Tom O'Rourke
SLPC shared data is used to pass information
to/from SLPC firmware.
For Skylake, platform sku type and slice count
are identified from device id and fuse values.
Support for other platforms needs to be added.
v2: Update for SLPC interface version 2015.2.4
intel_slpc_acti
From: Peter Antoine
This patch resizes the GuC WOPCM to so that the GuC and the RC6 memory
spaces do not overlap.
DO NOT MERGE: This patch is expected as part of another
series and is included for convenience in testing this
series.
Issue: https://jira01.devtools.intel.com/browse/VIZ-6638
Signe
From: Sagar Arun Kamble
v2: Cleaning up defines for number of pipes and other cosmetic changes.
Signed-off-by: Sagar Arun Kamble
Acked-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.h | 29 +
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/i915
From: Tom O'Rourke
Add host2guc SLPC reset event and send reset event
during enable.
v2: extract host2guc_slpc to handle slpc status code
coding style changes (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.c | 33 -
drivers/gpu/drm/
From: Tom O'Rourke
Update sysfs and debugfs functions to set SLPC
parameters when setting max/min frequency.
v2: Update for SLPC 2015.2.4 (params for both slice and unslice)
Replace HAS_SLPC with intel_slpc_active() (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_debugfs
From: Dave Gordon
DO NOT MERGE: This patch is added for convenience in
reviewing SLPC patch series. This patch should be
merged as part of a separate series to enable guc
submission by default.
v5:
Rebased
Signed-off-by: Dave Gordon
Acked-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_p
From: Tom O'Rourke
If slpc enabled, then add enable SLPC flag to guc
control parameter during guc load.
v2: Use intel_slpc_enabled() (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_guc_loader.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/inte
From: Tom O'Rourke
When SLPC is controlling requested frequency, the rps.cur_freq
value is not used to make the frequency request.
Before using rps.cur_freq in sysfs or debugfs, read
requested frequency from register to get the value
most recently requested by SLPC firmware.
v2: replace HAS_SLP
From: Tom O'Rourke
Add slpc_param_id enum values.
Add events for setting/unsetting parameters.
v2: use host2guc_slpc
update slcp_param_id enum values for SLPC 2015.2.4
return void instead of ignored error code (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.c |
From: Tom O'Rourke
This patch makes SLPC enabled by default on
platforms with hardware/firmware support.
DO NOT MERGE: This patch is added for convenience in
reviewing SLPC patch series. This patch should be
merged after validation results show benefits of using SLPC.
Signed-off-by: Tom O'Rour
From: Tom O'Rourke
Send SLPC shutdown event during disable, suspend, and reset
operations. Sending shutdown event while already shutdown
is OK.
v2: return void instead of ignored error code (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.c | 28 +++
From: Tom O'Rourke
Adds debugfs hooks for each slpc task.
The enable/disable debugfs files are
i915_slpc_gtperf, i915_slpc_balancer, and i915_slpc_dcc.
Each of these can take the values:
"default", "enabled", or "disabled"
v2: update for SLPC v2015.2.4
dfps and turbo merged and renamed "gt
From: Tom O'Rourke
v2: Add mutex lock/unlock
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_drv.h | 1 +
drivers/gpu/drm/i915/intel_pm.c | 2 +-
drivers/gpu/drm/i915/intel_slpc.c | 5 +
3 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_
From: Tom O'Rourke
When frequency requests are made by SLPC, host driver
should not attempt to make frequency requests due to
potential conflicts.
Host-based turbo operations are already avoided when
SLPC is used. This change covers other frequency
requests such as from sysfs or debugfs interfa
From: Tom O'Rourke
i915_slpc_info shows the contents of SLPC shared data
parsed into text format.
v2: reformat slpc info (Radek)
squashed query task state info
in slpc info, kunmap before seq_print (Paulo)
return void instead of ignored return value (Paulo)
Signed-off-by: Tom O'Rour
From: Tom O'Rourke
This patch is expected as part of another series
and is included for convenience in testing this
series.
Do not merge unless Broxton guc v5 firmware is available.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_guc_loader.c | 7 +++
1 file changed, 7 insertio
From: Tom O'Rourke
Adds has_slpc to broxton info and adds broxton to
version check. The SLPC interface version 2015.2.4
is found in Broxton Guc v5.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_drv.c | 1 +
drivers/gpu/drm/i915/intel_guc_loader.c | 3 ++-
2 files changed, 3
From: Sagar Arun Kamble
GuC SLPC need to be sent data related to Active pipes, refresh rates,
widi pipes, fullscreen pipes related via host to GuC display mode
change event. Based on this, SLPC will track FPS on active pipes.
This patch defines the event and implements trigger of the event.
v2:
From: Tom O'Rourke
Do not merge until SKL guc ver6 is published.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_guc_loader.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c
b/drivers/gpu/drm/i915/intel_guc_loader.c
From: Tom O'Rourke
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.h | 27 +++
1 file changed, 27 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_slpc.h
b/drivers/gpu/drm/i915/intel_slpc.h
index 06f1b28..de2df0c 100644
--- a/drivers/gpu/drm/i915/i
From: Tom O'Rourke
Load guc firmware from file with major_minor number
in filename instead of using symolic link with only
major number.
Issue: VIZ-7713
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_guc_loader.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/d
From: Tom O'Rourke
SLPC (Single Loop Power Controller) is a replacement for
some host-based power management features. The SLPC
implemenation runs in firmware on GuC.
This series has been tested with SKL guc firmware
version 6.1.
The graphics power management features in SLPC in those
versions
From: Tom O'Rourke
Adds debugfs hooks for each slpc task.
The enable/disable debugfs files are
i915_slpc_gtperf, i915_slpc_balancer, and i915_slpc_dcc.
Each of these can take the values:
"default", "enabled", or "disabled"
v2: update for SLPC v2015.2.4
dfps and turbo merged and renamed "gt
From: Tom O'Rourke
Add slpc_param_id enum values.
Add events for setting/unsetting parameters.
v2: use host2guc_slpc
update slcp_param_id enum values for SLPC 2015.2.4
return void instead of ignored error code (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.c |
From: Tom O'Rourke
The SLPC interface has changed and could continue to
change. Only GuC versions known to be compatible are
supported here.
On Skylake, GuC firmware v6 is supported. Other
platforms and versions can be added here later.
This patch also adds has_slpc to skylake info.
v2: Move
From: Tom O'Rourke
Update sysfs and debugfs functions to set SLPC
parameters when setting max/min frequency.
v2: Update for SLPC 2015.2.4 (params for both slice and unslice)
Replace HAS_SLPC with intel_slpc_active() (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_debugfs
From: Tom O'Rourke
v2: fix whitespace (Sagar)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.h | 27 +++
1 file changed, 27 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_slpc.h
b/drivers/gpu/drm/i915/intel_slpc.h
index 0b251a1..508642b 100644
From: Tom O'Rourke
If slpc enabled, then add enable SLPC flag to guc
control parameter during guc load.
v2: Use intel_slpc_enabled() (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_guc_loader.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/inte
From: Tom O'Rourke
Expose host2guc_action for use by SLPC in intel_slpc.c.
Expose functions to allocate and release objects used
by GuC to be used for SLPC shared memory object.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_guc_submission.c | 6 +++---
drivers/gpu/drm/i915/intel_g
From: Tom O'Rourke
Add has_slpc capablity flag to indicate GuC firmware
supports single loop power control (SLPC). SLPC is
a replacement for some host-based power management
features.
v2: fix whitespace (Sagar)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
1 file ch
From: Tom O'Rourke
On platforms with SLPC support: call intel_slpc_*()
functions from corresponding intel_*_gt_powersave()
functions; and do not use rps functions.
v2: return void instead of ignored error code (Paulo)
enable/disable RC6 in SLPC flows (Sagar)
replace HAS_SLPC() use with i
From: Tom O'Rourke
When frequency requests are made by SLPC, host driver
should not attempt to make frequency requests due to
potential conflicts.
Host-based turbo operations are already avoided when
SLPC is used. This change covers other frequency
requests such as from sysfs or debugfs interfa
From: Tom O'Rourke
v2: Add mutex lock/unlock
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_drv.h | 1 +
drivers/gpu/drm/i915/intel_pm.c | 2 +-
drivers/gpu/drm/i915/intel_slpc.c | 5 +
3 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_
From: Tom O'Rourke
When SLPC is controlling requested frequency, the rps.cur_freq
value is not used to make the frequency request.
Before using rps.cur_freq in sysfs or debugfs, read
requested frequency from register to get the value
most recently requested by SLPC firmware.
v2: replace HAS_SLP
From: Sagar Arun Kamble
GuC SLPC needs to be sent data related to Active pipes, refresh rates,
widi pipes, fullscreen pipes related via host to GuC display mode
change event. Based on this, SLPC will track FPS on active pipes.
This patch defines the events and implements trigger of the events.
v
From: Tom O'Rourke
i915.enable_slpc is used to override the default for slpc usage.
The expected values are -1=auto, 0=disabled [default], 1=enabled.
slpc_enable_sanitize() converts i915.enable_slpc to either 0 or 1.
Interpretation of default value is based on HAS_SLPC(), after
slpc_version_chec
From: Tom O'Rourke
i915_slpc_info shows the contents of SLPC shared data
parsed into text format.
v2: reformat slpc info (Radek)
squashed query task state info
in slpc info, kunmap before seq_print (Paulo)
return void instead of ignored return value (Paulo)
v3: Avoid magic numbers an
From: Sagar Arun Kamble
intel_runtime_suspend failed with warning if RPS was disabled.
With SLPC enabled, RPS is disabled. With SLPC, warning is now changed
to consider SLPC active status as well. This will ensure runtime suspend
proceeds when SLPC enabled.
v2: Commit message update. (Tom)
Sign
From: Tom O'Rourke
Add host2guc SLPC reset event and send reset event
during enable.
v2: extract host2guc_slpc to handle slpc status code
coding style changes (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.c | 33 -
drivers/gpu/drm/
From: Sagar Arun Kamble
This patch will inform GuC SLPC about changes in the refresh rate
due to Seamless DRRS. Refresh rate changes due to Static DRRS will
be notified via commit path.
v2: Rebased on previous changed patch and printed error message if
H2G action fails.
v2(torourke): Updates sug
From: Tom O'Rourke
SLPC shared data is used to pass information
to/from SLPC firmware.
For Skylake, platform sku type and slice count
are identified from device id and fuse values.
Support for other platforms needs to be added.
v2: Update for SLPC interface version 2015.2.4
intel_slpc_acti
From: Sagar Arun Kamble
v2: Cleaning up defines for number of pipes and other cosmetic changes.
v3: Checkpatch fixes.
Signed-off-by: Sagar Arun Kamble
Acked-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.h | 30 ++
1 file changed, 30 insertions(+)
diff --gi
From: Tom O'Rourke
Send SLPC shutdown event during disable, suspend, and reset
operations. Sending shutdown event while already shutdown
is OK.
v2: return void instead of ignored error code (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.c | 28 +++
From: Tom O'Rourke
Update sysfs and debugfs functions to set SLPC
parameters when setting max/min frequency.
v2: Update for SLPC 2015.2.4 (params for both slice and unslice)
Replace HAS_SLPC with intel_slpc_active() (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_debugfs
From: Tom O'Rourke
Adds has_slpc to broxton info and adds broxton to
version check. The SLPC interface version 2015.2.4
is found in Broxton Guc v5.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_drv.c | 1 +
drivers/gpu/drm/i915/intel_guc_loader.c | 3 ++-
2 files changed, 3
From: Tom O'Rourke
When SLPC is controlling requested frequency, the rps.cur_freq
value is not used to make the frequency request.
Before using rps.cur_freq in sysfs or debugfs, read
requested frequency from register to get the value
most recently requested by SLPC firmware.
v2: replace HAS_SLP
From: Sagar Arun Kamble
GuC SLPC need to be sent data related to Active pipes, refresh rates,
widi pipes, fullscreen pipes related via host to GuC display mode
change event. Based on this, SLPC will track FPS on active pipes.
This patch defines the event and implements trigger of the event.
v2:
From: Tom O'Rourke
If slpc enabled, then add enable SLPC flag to guc
control parameter during guc load.
v2: Use intel_slpc_enabled() (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_guc_loader.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/inte
From: Sagar Arun Kamble
v2: Cleaning up defines for number of pipes and other cosmetic changes.
Signed-off-by: Sagar Arun Kamble
Acked-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.h | 29 +
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/i915
From: Tom O'Rourke
i915.enable_slpc is used to override the default for slpc usage.
The expected values are -1=auto, 0=disabled [default], 1=enabled.
slpc_enable_sanitize() converts i915.enable_slpc to either 0 or 1.
Interpretation of default value is based on HAS_SLPC(), after
slpc_version_chec
From: Tom O'Rourke
i915_slpc_info shows the contents of SLPC shared data
parsed into text format.
v2: reformat slpc info (Radek)
squashed query task state info
in slpc info, kunmap before seq_print (Paulo)
return void instead of ignored return value (Paulo)
Signed-off-by: Tom O'Rour
From: Tom O'Rourke
Add host2guc SLPC reset event and send reset event
during enable.
v2: extract host2guc_slpc to handle slpc status code
coding style changes (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.c | 33 -
drivers/gpu/drm/
From: Sagar Arun Kamble
This patch will inform GuC SLPC about changes in the refresh rate
due to Seamless DRRS. Refresh rate changes due to Static DRRS will
be notified via commit path.
v2: Rebased on previous changed patch and printed error message if
H2G action fails.
v2(torourke): Updates sug
From: Tom O'Rourke
The SLPC interface has changed and could continue to
change. Only GuC versions known to be compatible are
supported here.
On Skylake, GuC firmware v6 is supported. Other
platforms and versions can be added here later.
This patch also adds has_slpc to skylake info.
v2: Move
From: Tom O'Rourke
This patch makes SLPC enabled by default on
platforms with hardware/firmware support.
DO NOT MERGE: This patch is added for convenience in
reviewing SLPC patch series. This patch should be
merged after validation results show benefits of using SLPC.
Signed-off-by: Tom O'Rour
From: Tom O'Rourke
Add slpc_param_id enum values.
Add events for setting/unsetting parameters.
v2: use host2guc_slpc
update slcp_param_id enum values for SLPC 2015.2.4
return void instead of ignored error code (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.c |
From: Tom O'Rourke
SLPC (Single Loop Power Controller) is a replacement for
some host-based power management features. The SLPC
implemenation runs in firmware on GuC.
This series has been tested with SKL guc firmware
version 6.1 and BXT guc version 5.1.
The graphics power management features i
From: Tom O'Rourke
When frequency requests are made by SLPC, host driver
should not attempt to make frequency requests due to
potential conflicts.
Host-based turbo operations are already avoided when
SLPC is used. This change covers other frequency
requests such as from sysfs or debugfs interfa
From: Tom O'Rourke
Adds debugfs hooks for each slpc task.
The enable/disable debugfs files are
i915_slpc_gtperf, i915_slpc_balancer, and i915_slpc_dcc.
Each of these can take the values:
"default", "enabled", or "disabled"
v2: update for SLPC v2015.2.4
dfps and turbo merged and renamed "gt
From: Peter Antoine
This patch resizes the GuC WOPCM to so that the GuC and the RC6 memory
spaces do not overlap.
DO NOT MERGE: This patch is expected as part of another
series and is included for convenience in testing this
series.
Issue: https://jira01.devtools.intel.com/browse/VIZ-6638
Signe
From: Tom O'Rourke
This patch is expected as part of another series
and is included for convenience in testing this
series.
Do not merge unless Broxton guc v5 firmware is available.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_guc_loader.c | 7 +++
1 file changed, 7 insertio
From: Tom O'Rourke
v2: Add mutex lock/unlock
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_drv.h | 1 +
drivers/gpu/drm/i915/intel_pm.c | 2 +-
drivers/gpu/drm/i915/intel_slpc.c | 5 +
3 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_
From: Dave Gordon
DO NOT MERGE: This patch is added for convenience in
reviewing SLPC patch series. This patch should be
merged as part of a separate series to enable guc
submission by default.
v5:
Rebased
Signed-off-by: Dave Gordon
Acked-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_p
From: Tom O'Rourke
Add has_slpc capablity flag to indicate GuC firmware
supports single loop power control (SLPC). SLPC is
a replacement for some host-based power management
features.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
1 file changed, 2 insertions(+)
diff
From: Tom O'Rourke
Expose host2guc_action for use by SLPC in intel_slpc.c.
Expose functions to allocate and release objects used
by GuC to be used for SLPC shared memory object.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_guc_submission.c | 6 +++---
drivers/gpu/drm/i915/intel_g
From: Tom O'Rourke
SLPC shared data is used to pass information
to/from SLPC firmware.
For Skylake, platform sku type and slice count
are identified from device id and fuse values.
Support for other platforms needs to be added.
v2: Update for SLPC interface version 2015.2.4
intel_slpc_acti
From: Tom O'Rourke
On platforms with SLPC support: call intel_slpc_*()
functions from corresponding intel_*_gt_powersave()
functions; and do not use rps functions.
v2: return void instead of ignored error code (Paulo)
enable/disable RC6 in SLPC flows (Sagar)
replace HAS_SLPC() use with i
From: Tom O'Rourke
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.h | 27 +++
1 file changed, 27 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_slpc.h
b/drivers/gpu/drm/i915/intel_slpc.h
index 06f1b28..de2df0c 100644
--- a/drivers/gpu/drm/i915/i
From: Tom O'Rourke
Send SLPC shutdown event during disable, suspend, and reset
operations. Sending shutdown event while already shutdown
is OK.
v2: return void instead of ignored error code (Paulo)
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.c | 28 +++
From: Dave Gordon
DO NOT MERGE: This patch is being sent for CI testing only
v5:
Rebased
Signed-off-by: Dave Gordon
Acked-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_params.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_params.c
b/
From: Tom O'Rourke
SLPC (Single Loop Power Controller) is a replacement for
some host-based power management features. The SLPC
implemenation runs in firmware on GuC.
This series is a first request for comments. This series
is not expected to be merged. After changes based on
comments, a late
From: Tom O'Rourke
When SLPC is controlling requested frequency, the rps.cur_freq
value is not used to make the frequency request.
Before using rps.cur_freq in sysfs or debugfs, read
requested frequency from register to get the value
most recently requested by SLPC firmware.
Signed-off-by: Tom
From: Tom O'Rourke
Expose host2guc_action for use by SLPC in intel_slpc.c.
Expose functions to allocate and release objects used
by GuC to be used for SLPC shared memory object.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_guc_submission.c | 6 +++---
drivers/gpu/drm/i915/intel_g
From: Tom O'Rourke
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.h | 26 ++
1 file changed, 26 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_slpc.h
b/drivers/gpu/drm/i915/intel_slpc.h
index bb1d12e..e7ff4a0 100644
--- a/drivers/gpu/drm/i915/in
From: Sagar Arun Kamble
Signed-off-by: Sagar Arun Kamble
Acked-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.h | 38 ++
1 file changed, 38 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_slpc.h
b/drivers/gpu/drm/i915/intel_slpc.h
index 7287c65
From: Tom O'Rourke
Add has_slpc capablity flag to indicate GuC firmware
supports single loop power control (SLPC). SLPC is
a replacement for some host-based power management
features.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
1 file changed, 2 insertions(+)
diff
From: Tom O'Rourke
Add host2guc SLPC reset event and send reset event
during enable.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.c | 30 +-
drivers/gpu/drm/i915/intel_slpc.h | 14 ++
2 files changed, 43 insertions(+), 1 deletion(-)
d
From: Tom O'Rourke
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_drv.h | 1 +
drivers/gpu/drm/i915/intel_pm.c | 2 +-
drivers/gpu/drm/i915/intel_slpc.c | 3 +++
3 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/
From: Dave Gordon
Signed-off-by: Dave Gordon
v5:
Rebased
Signed-off-by: Dave Gordon
---
drivers/gpu/drm/i915/i915_params.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_params.c
b/drivers/gpu/drm/i915/i915_params.c
index 8d90c25..2ca46
From: Tom O'Rourke
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_debugfs.c | 12
drivers/gpu/drm/i915/intel_slpc.c | 31 +++
drivers/gpu/drm/i915/intel_slpc.h | 1 +
3 files changed, 44 insertions(+)
diff --git a/drivers/gpu/drm/i915/i9
From: Tom O'Rourke
i915_slpc_info shows the contents of SLPC shared data
parsed into text format.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_debugfs.c | 161
1 file changed, 161 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
From: Sagar Arun Kamble
This patch will inform GuC SLPC about changes in the refresh rate
due to Seamless DRRS. Refresh rate changes due to Static DRRS will
be notified via commit path.
Signed-off-by: Sagar Arun Kamble
Acked-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_dp.c | 2 ++
driv
From: Tom O'Rourke
Add slcp_param_id enum values.
Add events for setting/unsetting parameters.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.c | 127 ++
drivers/gpu/drm/i915/intel_slpc.h | 22 +++
2 files changed, 149 insertions(+)
di
From: Tom O'Rourke
When frequency requests are made by SLPC, host driver
should not attempt to make frequency requests due to
potential conflicts.
Host-based turbo operations are already avoided when
SLPC is used. This change covers other frequency
requests such as from sysfs or debugfs interfa
From: Sagar Arun Kamble
Signed-off-by: Sagar Arun Kamble
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_pm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 27713ab..ec1868b 100644
--- a/drivers/gpu/drm/i
From: Tom O'Rourke
Update sysfs and debugfs functions to set SLPC
parameters when setting max/min frequency.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_debugfs.c | 6 ++
drivers/gpu/drm/i915/i915_sysfs.c | 8
2 files changed, 14 insertions(+)
diff --git a/drivers
From: Tom O'Rourke
SLPC shared data is used to pass information
to/from SLPC firmware.
For Skylake, platform sku type and slice count
are identified from device id and fuse values.
Support for other platforms needs to be added.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_guc.h
From: Tom O'Rourke
On platforms with SLPC support: call intel_slpc_*()
functions from corresponding intel_*_gt_powersave()
functions; and do not use rps functions.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/Makefile | 5 +--
drivers/gpu/drm/i915/intel_pm.c | 36 +++
From: Sagar Arun Kamble
GuC SLPC need to be sent data related to Active pipes, refresh rates,
widi pipes, fullscreen pipes related via host to GuC display mode
change event.
This patch defines the event and implements trigger of the event.
Signed-off-by: Sagar Arun Kamble
Acked-by: Tom O'Rourke
From: Tom O'Rourke
Send SLPC shutdown event during disable, suspend, and reset
operations. Sending shutdown event while already shutdown
is OK.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_slpc.c | 45 ---
1 file changed, 42 insertions(+), 3 d
From: Tom O'Rourke
Adds debugfs hooks for each slpc task.
The enable/disable debugfs files are
i915_slpc_dfps, i915_slpc_turbo, and i915_slpc_dcc.
Each of these can take the values:
"default", "enabled", or "disabled"
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_debugfs.c | 251
From: Tom O'Rourke
If HAS_SLPC, then add enable SLPC flag to guc control
parameter during guc load.
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/intel_guc_loader.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c
b/drivers/gpu/drm/i915/int
From: Tom O'Rourke
Signed-off-by: Tom O'Rourke
---
drivers/gpu/drm/i915/i915_drv.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 975af35..9e37a98 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915
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