| Commit message (Collapse) | Author | Age |
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Inspired by scripts/coccinelle/api/err_cast.cocci
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Do not to clear mappings outside the allocated VMA under any
circumstances. Only clear the smaller of VMA or object page count.
This is required to allow creating partial object VMAs which in
turn are needed for partial GGTT views.
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Due to changes in the driver and to support Displayport compliance testing,
the test request and sink IRQ logic has been relocated from
intel_dp_check_link_status to intel_dp_detect. This is because the bulk of the
compliance tests that set the TEST_REQUEST bit in the DEVICE_IRQ field of the
DPCD issue a long pulse / hot plug event to signify the start of the test.
Currently, for a long pulse, intel_dp_check_link_status is not called for a
long HPD pulse, so if test requests come in, they cannot be detected by the
driver.
Once located in the intel_dp_detect, in the regular hot plug event path,
proper detection of Displayport compliance test requests occurs which then
invokes the test handler to support them. Additionally, this places compliance
testing in the normal operational paths, eliminating as much special case code
as possible.
The only change in intel_dp_check_link_status with this patch is that when
the IRQ is the result of a test request from the sink, the test handler is not
invoked during the short pulse path. Short pulse test requests are for a
particular variety of tests (mainly link training) that will be implemented
in the future. Once those tests are available, the test request handler will
be called from here as well.
V2:
- Rewored the commit message to be more clear about the content and intent
of this patch
- Restore IRQ detection logic to intel_dp_check_link_status(). Continue to
detect and clear sink IRQs in the short pulse case. Ignore test requests
in the short pulses for now since they are for future test implementations.
Signed-off-by: Todd Previte <tprevite@gmail.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Enable runtime PM for Skylake platform
v2: After adding dmc ver 1.0 support rebased on top of nightly. (Animesh)
Issue: VIZ-2819
Signed-off-by: A.Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Suketu Shah <suketu.j.shah@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Warn if the conditions to enter or exit DC6 are not satisfied such
as support for runtime PM, state of power well, CSR loading etc.
v2: Removed camelcase in functions and variables.
v3: Do some minimal check to assert if CSR program is not loaded.
v4:
1] Correct the check for backlight-disabling in assert_can_enable_dc6().
2] Check csr.loaded = false before disabling DC6 and simplify other checks.
v5:
1] Remove checks for DC5 state from assert_can_enable_dc6 function as DC5 is no
longer enabled before enabling DC6.
2] Correct the check for CSR-loading in assert_can_disable_dc6 function as CSR must
be loaded for context restore to happen on DC6 disabling.
v6:
1] It's okay to explicitly disable DC6 during driver-load/resume even though it might
already be disabled and so don't warn about it.
v7: Rebase to latest.
v8: Sqashed the patch from Imre -
[PATCH] drm/i915/skl: avoid false CSR fw not loaded WARN during driver load/resume
v9: After adding dmc ver 1.0 support rebased on top of nightly. (Animesh)
v10: During initialization added a early return before disabling DC5. (Animesh)
Issue: VIZ-2819
Signed-off-by: A.Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Suketu Shah <suketu.j.shah@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This patch just implements the basic enable and disable
functions of DC6 state which is needed for SKL platform.
Its important to load SKL CSR program before calling enable.
DC6 is a deeper power saving state where hardware dynamically
disables power well 0 and saves the associated registers.
DC6 can be entered when software allows it, the conditions
for DC5 are met, and the PCU allows DC6.
DC6 cannot be used if the backlight is being driven from the
display utility pin.
Its better to configure display engine to have power well 2
disabled before getting into DC6 enable function. Hence rpm
framework will ensure to check status of power well 2 and DC5
before calling skl_enable_dc6.
v2: Replace HAS_ with IS_ check as per Daniel's review comments
v3: Cleared the bits dc5/dc6 enable of DC_STATE_EN register
before setting them as per Satheesh's review comments.
v4: No need to call gen9_disable_dc5 inside enable sequence of
DC6, as its already take care above.
v5: call POSTING_READ for every write to a register to ensure that
its written immediately.
Call intel_prepare_ddi during DC6 exit as it's required on low-power exit.
v6: Protect DC6-enabling-disabling functionality with locks to synchronize
with CSR-loading code.
v7: Remove grabbing CSR-related mutex in skl_enable/disable_dc6 functions as
deferred DC5-enabling functionality is now removed.
v8: Remove 'Disabling DC5' from the debug comment during DC6 enabling as when
DC6 is allowed, DC5 is not programmed at all.
v9:
- Rebase to latest.
- Move all DC6-related functions from intel_display.c to intel_runtime_pm.c.
v10: After adding dmc ver 1.0 support rebased on top of nightly. (Animesh)
Issue: VIZ-2819
Signed-off-by: A.Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Add triggers for DC6 as per details provided in skl_enable_dc6
and skl_disable_dc6 implementations.
Also Call POSTING_READ for every write to a register to ensure
it is written to immediately
v1: Remove POSTING_READ and intel_prepare_ddi calls as they've been added in previous patches.
v2:
1] Remove check for backlight disabled as it should be the case by that time.
2] Mark DC5 as disabled when enabling DC6.
3] Return from DC5-disabling function early if DC5 is already be disabled which can happen
due to DC6-enabling earlier.
3] Ensure CSR firmware is loaded after resume from DC6 as corresponding memory contents won't
be retained after runtime-suspend.
4] Ensure that CSR isn't identified as loaded before CSR-loading program is called during
runtime-resume.
v3: Rebase to latest
Modified as per review comments from Imre and after discussion with Art:
1] DC6 should be preferably enabled when PG2 is disabled by SW as the check for PG1 being
disabled is taken of by HW to enter DC6, and disabled when PG2 is enabled respectively.
This helps save more power, especially in the case when display is disabled but GT is
enabled. Accordingly, replacing DC5 trigger sequence with DC6 for SKL.
2] DC6 could be enabled from intel_runtime_suspend() function, if DC5 is already enabled.
3] Move CSR-load-status setting code from intel_runtime_suspend function to a new function.
v4:
1] Enable/disable DC6 only when toggling the power-well using a newly defined macro ENABLE_DC6.
v5:
1] Load CSR on system resume too as firmware may be lost on system suspend preventing
enabling DC5, DC6.
2] DDI buffers shouldn't be programmed during driver-load/resume as it's already done
during modeset initialization then and also that the encoder list is still uninitialized by
then. Therefore, call intel_prepare_ddi function right after disabling DC6 but outside
skl_disable_dc6 function and not during driver-load/resume.
v6:
1] Rebase to latest.
2] Move SKL_ENABLE_DC6 macro definition from intel_display.c to intel_runtime_pm.c.
v7:
1) Refactored the code for removing the warning got from checkpatch.
2) After adding dmc ver 1.0 support rebased on top of nightly. (Animesh)
v8:
- Reverted the changes done in v7.
- Removed the condition check in skl_prepare_resune(). (Animesh)
Issue: VIZ-2819
Signed-off-by: A.Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Suketu Shah <suketu.j.shah@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Warn if the conditions to enter or exit DC5 are not satisfied such
as support for runtime PM, state of power well, CSR loading etc.
v2: Removed camelcase in functions and variables.
v3: Do some minimal check to assert if CSR program is not loaded.
v4:
1] Used an appropriate function lookup_power_well() to identify power well,
instead of using a magic number which can change in future.
2] Split the conditions further in assert_can_enable_DC5() and added more checks.
3] Removed all WARNs from assert_can_disable_DC5 as they were unnecessary and added two
new ones.
4] Changed variable names as updated in earlier patches.
v5:
1] Change lookup_power_well function to take an int power well id.
2] Define a new intel_display_power_well_is_enabled helper function to check whether a
particular power well is enabled.
3] Use CSR-related mutex in assert_csr_loaded function.
v6: Remove use of dc5_enabled variable as it's no longer needed.
v7:
1] Rebase to latest.
2] Move all DC5-related functions from intel_display.c to intel_runtime_pm.c.
v8: After adding dmc ver 1.0 support rebased on top of nightly. (Animesh)
v9: Modified below changes based on review comments from Imre.
- Moved intel_display_power_well_is_enabled() to intel_runtime_pm.c.
- Removed mutex lock from assert_csr_loaded(). (Animesh)
Issue: VIZ-2819
Signed-off-by: A.Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Suketu Shah <suketu.j.shah@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This patch just implements the basic enable and disable
functions of DC5 state which is needed for both SKL and BXT.
Its important to load respective CSR program before calling
enable, which anyways will happen as CSR program is executed
during boot.
DC5 is a power saving state where hardware dynamically disables
power well 1 and the CDCLK PLL and saves the associated registers.
DC5 can be entered when software allows it, power well 2 is
disabled, and hardware detects that all pipes are disabled
or pipe A is enabled with PSR active.
Its better to configure display engine to have power well 2 disabled before
getting into DC5 enable function. Hence rpm framework will have to
ensure to check status of power well 2 before calling gen9_enable_dc5.
Rather dc5 entry criteria should be decided based on power well 2 status.
If disabled, then call gen9_enable_dc5.
v2: Replace HAS_ with IS_ check as per Daniel's review comments
v3: Cleared the bits dc5/dc6 enable of DC_STATE_EN register
before setting them as per Satheesh's review comments.
v4: call POSTING_READ for every write to a register to ensure that
its written immediately.
v5: Modified as per review comments from Imre.
- Squashed register definitions into this patch.
- Finetuned comments and functions.
v6:
Avoid redundant writes in gen9_set_dc_state_debugmask_memory_up function.
v7:
- Rebase to latest.
- Move all runtime PM functions defined in intel_display.c to
intel_runtime_pm.c.
v8: Rebased to drm-intel-nightly. (Animesh)
Issue: VIZ-2819
Signed-off-by: A.Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Add triggers as per expectations mentioned in gen9_enable_dc5
and gen9_disable_dc5 patch.
Also call POSTING_READ for every write to a register to ensure that
its written immediately.
v1: Remove POSTING_READ calls as they've already been added in previous patches.
v2: Rebase to move all runtime pm specific changes to intel_runtime_pm.c file.
Modified as per review comments from Imre:
1] Change variable name 'dc5_allowed' to 'dc5_enabled' to correspond to relevant
functions.
2] Move the check dc5_enabled in skl_set_power_well() to disable DC5 into
gen9_disable_DC5 which is a more appropriate place.
3] Convert checks for 'pm.dc5_enabled' and 'pm.suspended' in skl_set_power_well()
to warnings. However, removing them for now as they'll be included in a future patch
asserting DC-state entry/exit criteria.
4] Enable DC5, only when CSR firmware is verified to be loaded. Create new structure
to track 'enabled' and 'deferred' status of DC5.
5] Ensure runtime PM reference is obtained, if CSR is not loaded, to avoid entering
runtime-suspend and release it when it's loaded.
6] Protect necessary CSR-related code with locks.
7] Move CSR-loading call to runtime PM initialization, as power domains needed to be
accessed during deferred DC5-enabling, are not initialized earlier.
v3: Rebase to latest.
Modified as per review comments from Imre:
1] Use blocking wait for CSR-loading to finish to enable DC5 for simplicity, instead of
deferring enabling DC5 until CSR is loaded.
2] Obtain runtime PM reference during CSR-loading initialization itself as deferred DC5-
enabling is removed and release it at the end of CSR-loading functionality.
3] Revert calling CSR-loading functionality to the beginning of i915 driver-load
functionality to avoid any delay in loading.
4] Define another variable to track whether CSR-loading failed and use it to avoid enabling
DC5 if it's true.
5] Define CSR-load-status accessor functions for use later.
v4:
1] Disable DC5 before enabling PG2 instead of after it.
2] DC5 was being mistaken enabled even when CSR-loading timed-out. Fix that.
3] Enable DC5-related functionality using a macro.
4] Remove dc5_enabled tracking variable and its use as it's not needed now.
v5:
1] Mark CSR failed to load where necessary in finish_csr_load function.
2] Use mutex-protected accessor function to check if CSR loaded instead of directly
accessing the variable.
3] Prefix csr_load_status_get/set function names with intel_.
v6: rebase to latest.
v7: Rebase on top of nightly (Damien)
v8: Squashed the patch from Imre - added csr helper pointers to simplify the code. (Imre)
v9: After adding dmc ver 1.0 support rebased on top of nightly. (Animesh)
v10: Added a enum for different csr states, suggested by Imre. (Animesh)
v11: Based on review comments from Imre, Damien and Daniel following changes done
- enum name chnaged to csr_state (singular form).
- FW_UNINITIALIZED used as zeroth element in enum csr_state.
- Prototype changed for helper function(set/get csr status), using enum csr_state instead of bool.
v12: Based on review comment from Imre, introduced bool fw_loaded local to finish_csr_load() which helps
calling once to set the csr status. The same flag used to fail RPM if find any issue during
firmware loading.
Issue: VIZ-2819
Signed-off-by: A.Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Suketu Shah <suketu.j.shah@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Display Context Save and Restore support is needed for
various SKL Display C states like DC5, DC6.
This implementation is added based on first version of DMC CSR program
that we received from h/w team.
Here we are using request_firmware based design.
Finally this firmware should end up in linux-firmware tree.
For SKL platform its mandatory to ensure that we load this
csr program before enabling DC states like DC5/DC6.
As CSR program gets reset on various conditions, we should ensure
to load it during boot and in future change to be added to load
this system resume sequence too.
v1: Initial relese as RFC patch
v2: Design change as per Daniel, Damien and Shobit's review comments
request firmware method followed.
v3: Some optimization and functional changes.
Pulled register defines into drivers/gpu/drm/i915/i915_reg.h
Used kmemdup to allocate and duplicate firmware content.
Ensured to free allocated buffer.
v4: Modified as per review comments from Satheesh and Daniel
Removed temporary buffer.
Optimized number of writes by replacing I915_WRITE with I915_WRITE64.
v5:
Modified as per review comemnts from Damien.
- Changed name for functions and firmware.
- Introduced HAS_CSR.
- Reverted back previous change and used csr_buf with u8 size.
- Using cpu_to_be64 for endianness change.
Modified as per review comments from Imre.
- Modified registers and macro names to be a bit closer to bspec terminology
and the existing register naming in the driver.
- Early return for non SKL platforms in intel_load_csr_program function.
- Added locking around CSR program load function as it may be called
concurrently during system/runtime resume.
- Releasing the fw before loading the program for consistency
- Handled error path during f/w load.
v6: Modified as per review comments from Imre.
- Corrected out_freecsr sequence.
v7: Modified as per review comments from Imre.
Fail loading fw if fw->size%8!=0.
v8: Rebase to latest.
v9: Rebase on top of -nightly (Damien)
v10: Enabled support for dmc firmware ver 1.0.
According to ver 1.0 in a single binary package all the firmware's that are
required for different stepping's of the product will be stored. The package
contains the css header, followed by the package header and the actual dmc
firmwares. Package header contains the firmware/stepping mapping table and
the corresponding firmware offsets to the individual binaries, within the
package. Each individual program binary contains the header and the payload
sections whose size is specified in the header section. This changes are done
to extract the specific firmaware from the package. (Animesh)
v11: Modified as per review comemnts from Imre.
- Added code comment from bpec for header structure elements.
- Added __packed to avoid structure padding.
- Added helper functions for stepping and substepping info.
- Added code comment for CSR_MAX_FW_SIZE.
- Disabled BXT firmware loading, will be enabled with dmc 1.0 support.
- Changed skl_stepping_info based on bspec, earlier used from config DB.
- Removed duplicate call of cpu_to_be* from intel_csr_load_program function.
- Used cpu_to_be32 instead of cpu_to_be64 as firmware binary in dword aligned.
- Added sanity check for header length.
- Added sanity check for mmio address got from firmware binary.
- kmalloc done separately for dmc header and dmc firmware. (Animesh)
v12: Modified as per review comemnts from Imre.
- Corrected the typo error in skl stepping info structure.
- Added out-of-bound access for skl_stepping_info.
- Sanity check for mmio address modified.
- Sanity check added for stepping and substeppig.
- Modified the intel_dmc_info structure, cache only the required header info. (Animesh)
v13: clarify firmware load error message.
The reason for a firmware loading failure can be obscure if the driver
is built-in. Provide an explanation to the user about the likely reason for
the failure and how to resolve it. (Imre)
v14: Suggested by Jani.
- fix s/I915/CONFIG_DRM_I915/ typo
- add fw_path to the firmware object instead of using a static ptr (Jani)
v15:
1) Changed the firmware name as dmc_gen9.bin, everytime for a new firmware version a symbolic link
with same name will help not to build kernel again.
2) Changes done as per review comments from Imre.
- Error check removed for intel_csr_ucode_init.
- Moved csr-specific data structure to intel_csr.h and optimization done on structure definition.
- fw->data used directly for parsing the header info & memory allocation
only done separately for payload. (Animesh)
v16:
- No need for out_regs label in i915_driver_load(), so removed it.
- Changed the firmware name as skl_dmc_ver1.bin, followed naming convention <platform>_dmc_<api-version>.bin (Animesh)
Issue: VIZ-2569
Signed-off-by: A.Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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i915_needs_cmd_parser already checks that for us.
Suggested-by: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This patch enables skylake sprite plane display scaling using shared
scalers atomic desgin.
v2:
-use single copy of scaler limits (Matt)
v3:
-detaching scalers moved to crtc commit path (Matt)
v4:
-changes to align with updated scaler structures (Matt, me)
-keep sprite src rect in 16.16 format (Matt, Daniel)
v5:
-rebased on top of 90/270 rotation changes (me)
-Refactored skl_update_plane to reduce its size (Daniel)
It is a step towards having a single function covering all planes.
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Testcase: igt/kms_plane_scaling
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This patch enables skylake primary plane scaling using shared
scalers atomic desgin.
v2:
-use single copy of scaler limits (Matt)
v3:
-move detach_scalers to crtc commit path (Matt)
-use values in plane_state->src as regular integers (me)
v4:
-changes to align with updated scaler structures (Matt, me)
-keep plane src rect in 16.16 format (Matt, Daniel)
v5:
-Rebased on top of 90/270 rotation changes (me)
-Fixed an issue introduced by 90/270 changes where plane programming
is using drm_plane->state rect instead of intel_plane->state rect.
This change also required for scaling to work properly. (me)
-With 90/270, updated limits to cover both portrait and landscape usages (me)
-Refactored skylake_update_primary_plane to reduce its size (Daniel)
Added helper functions for refactoring are comprehended enough to be
used for skylake_update_plane (for sprite) too. One stop towards
having single function for all planes.
v6:
-Added fixme note when checking plane_state->src width in update_plane (Daniel)
-Release lock when failing to colorkey request with active scaler (Daniel)
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Reviewed-by: matthew.d.roper@intel.com
Reviewed-by: sonika.jindal@intel.com (v5)
Testcase: igt/kms_plane_scaling
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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into drm-next
some minor cleanups
* 'drm-armada-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
drm/armada: armada_drv: Remove unused function
drm/armada: armada_output: Remove some unused functions
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Remove the function armada_drm_vbl_event_remove_unlocked() that is not used anywhere.
This was partially found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Removes some functions that are not used anywhere:
armada_drm_encoder_mode_fixup() armada_drm_encoder_commit() armada_drm_encoder_prepare()
This was partially found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next
tda998x: use helpers for infoframe.
* 'drm-tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
drm/i2c: tda998x: use drm_hdmi_avi_infoframe_from_display_mode()
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Make use of the DRM HDMI AVI infoframe helper to construct the AVI
infoframe, rather than coding this up ourselves. This allows DRM
to supply proper aspect ratio information derived from the DRM
display mode structure.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Looks like it was introduced in:
commit 650ad970a39f8b6164fe8613edc150f585315289
Author: Imre Deak <imre.deak@intel.com>
Date: Fri Apr 18 16:35:02 2014 +0300
drm/i915: vlv: factor out vlv_force_gfx_clock and check for pending force-of
but I'm not sure why. It has caused problems for us in the past (see
85250ddff7a6 "drm/i915/chv: Remove Wait for a previous gfx force-off"
and 8d4eee9cd7a1 "drm/i915: vlv: increase timeout when forcing on the
GFX clock") and doesn't seem to be required, so let's just drop it.
[airlied: I messed up a merge - readd this]
References: https://bugs.freedesktop.org/show_bug.cgi?id=89611
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Darren Hart <dvhart@linux.intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Cc: stable@vger.kernel.org # c9c52e24194a: drm/i915/chv: Remove Wait ...
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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git://anongit.freedesktop.org/drm-intel into drm-next
drm-intel-next-2015-04-23:
- dither support for ns2501 dvo (Thomas Richter)
- some polish for the gtt code and fixes to finally enable the cmd parser on hsw
- first pile of bxt stage 1 enabling (too many different people to list ...)
- more psr fixes from Rodrigo
- skl rotation support from Chandra
- more atomic work from Ander and Matt
- pile of cleanups and micro-ops for execlist from Chris
drm-intel-next-2015-04-10:
- cdclk handling cleanup and fixes from Ville
- more prep patches for olr removal from John Harrison
- gmbus pin naming rework from Jani (prep for bxt)
- remove ->new_config from Ander (more atomic conversion work)
- rps (boost) tuning and unification with byt/bsw from Chris
- cmd parser batch bool tuning from Chris
- gen8 dynamic pte allocation (Michel Thierry, based on work from Ben Widawsky)
- execlist tuning (not yet all of it) from Chris
- add drm_plane_from_index (Chandra)
- various small things all over
* tag 'drm-intel-next-2015-04-23-fixed' of git://anongit.freedesktop.org/drm-intel: (204 commits)
drm/i915/gtt: Allocate va range only if vma is not bound
drm/i915: Enable cmd parser to do secure batch promotion for aliasing ppgtt
drm/i915: fix intel_prepare_ddi
drm/i915: factor out ddi_get_encoder_port
drm/i915/hdmi: check port in ibx_infoframe_enabled
drm/i915/hdmi: fix vlv infoframe port check
drm/i915: Silence compiler warning in dvo
drm/i915: Update DRIVER_DATE to 20150423
drm/i915: Enable dithering on NatSemi DVO2501 for Fujitsu S6010
rm/i915: Move i915_get_ggtt_vma_pages into ggtt_bind_vma
drm/i915: Don't try to outsmart gcc in i915_gem_gtt.c
drm/i915: Unduplicate i915_ggtt_unbind/bind_vma
drm/i915: Move ppgtt_bind/unbind around
drm/i915: move i915_gem_restore_gtt_mappings around
drm/i915: Fix up the vma aliasing ppgtt binding
drm/i915: Remove misleading comment around bind_to_vm
drm/i915: Don't use atomics for pg_dirty_rings
drm/i915: Don't look at pg_dirty_rings for aliasing ppgtt
drm/i915/skl: Support Y tiling in MMIO flips
drm/i915: Fixup kerneldoc for struct intel_context
...
Conflicts:
drivers/gpu/drm/i915/i915_drv.c
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When we have bound vma into an address space, the layout
of page table structures is immutable. So we can be absolutely
certain that if vma is already bound, there is no need to
(re)allocate a virtual address range for it.
v2: - add sanity checks and remove superfluous GLOBAL_BIND set
- we might do update for an unbound vma (Chris)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90224
Testcase: igt/gem_exec_big #bdw
Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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With the binding regression from the original full ppgtt patches
fixed we can throw the switch. Yay!
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90190
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
[Jani: tweaked commit title per Chris' suggestion]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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At the moment intel_prepare_ddi buffer will iterate through both MST and
CRT encoders, which is incorrect. Neither of these encoder types have an
embedding intel_digital_port object, so for these encoder types we will
use random data when dereferencing the corresponding
intel_digital_port->port field.
Introduced in
commit b403745c84592b26a0713e6944c2b109f6df5c82
Author: Damien Lespiau <damien.lespiau@intel.com>
Date: Mon Aug 4 22:01:33 2014 +0100
drm/i915: Iterate through the initialized DDIs to prepare their buffers
v2:
- fix getting at the port for MST encoders too
- make sure that intel_prepare_ddi_buffers() gets called for port E too
(Paulo)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90067
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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In the next patch we'll need to get at both the encoder's intel_digital_port
object - which maybe NULL for a CRT - and it's port, so factor out this
functionality.
No functional change.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Add port check for ibx similar to vlv in
commit 535afa2e9e3c1867460d6981d879b04d8b2b9ab3
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Wed Apr 15 16:52:29 2015 -0700
drm/i915/vlv: check port in infoframe_enabled v2
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Due to missing shifting, the vlv infoframe port check only works for
port A. Fix it. Broken since introduction in
commit 535afa2e9e3c1867460d6981d879b04d8b2b9ab3
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Wed Apr 15 16:52:29 2015 -0700
drm/i915/vlv: check port in infoframe_enabled v2
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90059
Tested-by: xubin <bin.a.xu@intel.com>
Tested-by: Ye Tian <yex.tian@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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drivers/gpu/drm/i915/intel_dvo.c: In function ‘intel_dvo_init’:
drivers/gpu/drm/i915/intel_dvo.c:531:8: warning: array subscript is above array bounds [-Warray-bounds]
gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.7/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.7.2-5'
--with-bugurl=file:///usr/share/doc/gcc-4.7/README.Bugs
--enable-languages=c,c++,go,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.7 --enable-shared --enable-linker-build-id
--with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.7
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes
--enable-gnu-unique-object --enable-plugin --enable-objc-gc
--with-arch-32=i586 --with-tune=generic --enable-checking=release
--build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
and
gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-linux-gnu/4.8/lto-wrapper
Target: i686-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu
4.8.2-19ubuntu1' --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs
--enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.8 --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.8 --libdir=/usr/lib
--enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes
--enable-gnu-unique-object --disable-libmudflap --enable-plugin
--with-system-zlib --disable-browser-plugin --enable-java-awt=gtk
--enable-gtk-cairo
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-i386/jre
--enable-java-home
--with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-i386
--with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-i386
--with-arch-directory=i386
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc
--enable-targets=all --enable-multiarch --disable-werror
--with-arch-32=i686 --with-multilib-list=m32,m64,mx32
--with-tune=generic --enable-checking=release --build=i686-linux-gnu
--host=i686-linux-gnu --target=i686-linux-gnu
Thread model: posix
gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Dave Gordon <david.s.gordon@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This patch enables the (unfortunately undocumented) scaler of the
NatSemi 2501 DVO found in the Fujitsu-Siemens S6010 laptop and other
machines of the same series and age.
Parts of the DVO scaler logic have been revealed by reverse
engineering and trial and error, so your milage may vary. The
patch (and the whole ns2501 DVO code) is currently only good for
the 1024x768 panel of the S6010, and may hopefully work on other
machines with the same panel size.
The mode-specific configuration of the scaler have been moved out
into a separate class, the mode-agnostic settings remain as raw
register list as their purpose remains unclear at this point.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thomas Richter <thor@math.tu-berlin.de>
[danvet: Make the thing apply and conform to kernel patch
expectations.]
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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We have this neat abstraction between ppgtt and ggtt for (un)bind_vma
and didn't end up using it really. What a shame, so fix this and make
the ->bind_vma hook a bit more useful.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Sprinkling static inline all over the place is carg-culting. Remove
it.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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ggtt_bind/unbind_vma already has checks for aliasing ppgtt or not,
there's nothing else magic they do. Resurrect i915_ggtt_insert_entries
to make the reuse possibel.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Again avoids some forward declarations.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Avoids 2 forward declarations.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Currently we have the problem that the decision whether ptes need to
be (re)written is splattered all over the codebase. Move all that into
i915_vma_bind. This needs a few changes:
- Just reuse the PIN_* flags for i915_vma_bind and do the conversion
to vma->bound in there to avoid duplicating the conversion code all
over.
- We need to make binding for EXECBUF (i.e. pick aliasing ppgtt if
around) explicit, add PIN_USER for that.
- Two callers want to update ptes, give them a PIN_UPDATE for that.
Of course we still want to avoid double-binding, but that should be
taken care of:
- A ppgtt vma will only ever see PIN_USER, so no issue with
double-binding.
- A ggtt vma with aliasing ppgtt needs both types of binding, and we
track that properly now.
- A ggtt vma without aliasing ppgtt could be bound twice. In the
lower-level ->bind_vma functions hence unconditionally set
GLOBAL_BIND when writing the ggtt ptes.
There's still a bit room for cleanup, but that's for follow-up
patches.
v2: Fixup fumbles.
v3: s/PIN_EXECBUF/PIN_USER/ for clearer meaning, suggested by Chris.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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It's true that we might need to context switch, but both the signalling
and implementation of the same are a few source files away. Remove it.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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It's already protected by the bkl^Wdev->struct_mutex. While at it
realign some related code.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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We load the ppgtt ptes once per gpu reset/driver load/resume and
that's all that's needed. Note that this only blows up when we're
using the allocate_va_range funcs and not the special-purpose ones
used. With this change we can get rid of that duplication.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Add Y tiling support to skl_do_mmio_flip.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Sonika Jindal <sonika.jindal@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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commit ae6c4806927b8b0781ecc187aa16b10c820fc430
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed Aug 6 15:04:53 2014 +0200
drm/i915: Only track real ppgtt for a context
Changed the code but didn't update kerneldoc.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: "Thierry, Michel" <michel.thierry@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Since
commit bf3d149b25f67f241735b91a56b7f070bc0a5407
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri Feb 14 14:01:12 2014 +0100
drm/i915: split PIN_GLOBAL out from PIN_MAPPABLE
i915_gem_obj_ggtt_pin always binds into the ggtt, but I've forgotten
to remove the now redundant additional bind call later on. Fix this
up.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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PIN_GLOBAL is set only when userspace asked for it, and that
is only the case for the gen6 PIPE_CONTROL workaround. We're not
allowed to just clear this.
The important part of the fallback is to drop the restriction to
the mappable range.
This issue has been introduced in
commit edf4427b8055dc93eb5222d8174b07a75ba24fb5
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed Jan 14 11:20:56 2015 +0000
drm/i915: Fallback to using CPU relocations for large batch buffers
v2: Chris pointed out that we also miss to set PIN_GLOBAL when the
buffer is already bound. Fix this up too.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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It's only used as a flag there, so unconfuse things a bit.
Also separate the bind_vma flag space from the pte_encode flag
space in the code.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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With the dynamic pagetable alloc code aliasing ppgtt special-cases
where again mixed in all over the place with the low-level init code.
Extract the va preallocation and clearing again into the common code
where aliasing ppgtt gets set up.
Note that with this we don't set the size of the aliasing ppgtt to the
size of the parent ggtt address space. Which isn't required at all
since except for the ppgtt setup/cleanup code no one ever looks at
this.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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While at it inline the free functions - they don't actually free the
ppgtt, just clean up the allocations done for it.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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They change with the address space and not with each vma, so move them
into the right pile of vfuncs. Save 2 pointers per vma and clarifies
the code.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Purpose of this tracking is to know when to flush the cache between
the CPU and the non-coherent display engine. Prior to:
commit 121920faf2ccce9aa66a7e2588415c9647b66104
Author: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Date: Mon Mar 23 11:10:37 2015 +0000
drm/i915/skl: Query display address through a wrapper
This worked by a mix of direct flag manipulation and checking for
existence of a pinned GGTT VMA.
With the introduction of rotated display mappings this approach is
no longer correct.
New simpler approach is to just keep this count over calls which pin
and unpin objects to and from display, at the slight cost of extra
space in every bo.
(Inspired and extracted code from a larger rework by Chris Wilson.)
v2: Remove the limit since it is not well defined. (Chris Wilson, Ville Syrjälä)
v3: Commit message corrections. (Chris Wilson)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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