Implement the functions to check the hardware protected session
state via reading the hardware register session in play.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.h| 3 +
drivers/gpu/drm/i915/pxp/intel_pxp_sm.c | 176
drivers/gpu/drm/i915
Implement the functions to allow ring0 PXP to send a GPU command
in order to terminate the hardware session, so hardware can
recycle this session slot for the next usage.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp_sm.c | 309
drivers/gpu/drm
From: Tomas Winkler
Enable protected audio video path client on mei client
bus.
Signed-off-by: Tomas Winkler
---
drivers/misc/mei/bus-fixup.c | 4
1 file changed, 4 insertions(+)
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c
index 4e30fa98fe7d..042399b397c9
Implement the functions to get/set the PXP tag, which is 32-bit
bitwise value containing the hardware session info, such as its
session id, protection mode or whether it's enabled.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp_sm.c | 105
drivers
user_flags instead gem_object_metadata. [Krishna]
Cc: Bommu Krishnaiah
Cc: Huang, Sean Z
Signed-off-by: Anshuman Gupta
---
drivers/gpu/drm/i915/display/intel_sprite.c | 21 ++---
drivers/gpu/drm/i915/i915_reg.h | 1 +
2 files changed, 19 insertions(+), 3 deletions
Add several PXP-related reg into allowlist to allow
ring3 driver to read the those register values.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/i915_reg.h | 8
drivers/gpu/drm/i915/intel_uncore.c | 57 +
2 files changed, 50 insertions(+), 15
needs to be re-created after
teardown or power event because hardware encryption key won't be
valid after such cases.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c | 50 +++-
drivers/gpu/drm/i915/pxp/intel_pxp.h | 2 +
drivers/gpu/drm/i915/pxp
Enable the PXP ioctl action to allow ring3 PXP to query the PXP
tag, which is a 32-bit bitwise value indicating the current
session info, including protection type, session id, and whether
the session is enabled.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c| 7
Set the KCR init during the boot time, which is required by
hardware, to allow us doing further protection operation such
as sending commands to GPU or TEE
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile | 1 +
drivers/gpu/drm/i915/pxp/intel_pxp.c| 11
From: Vitaly Lubart
Export PAVP client to work with i915_cp driver,
for binding it uses kernel component framework.
Signed-off-by: Vitaly Lubart
Signed-off-by: Tomas Winkler
---
drivers/misc/mei/Kconfig | 2 +
drivers/misc/mei/Makefile | 1 +
drivers/misc/mei/pxp/Kconfig |
Add PXP context which represents combined view
of driver and logical HW states.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile| 3 +-
drivers/gpu/drm/i915/pxp/intel_pxp.c | 32 ++--
drivers/gpu/drm/i915/pxp/intel_pxp.h | 3 ++
drivers
after the power cycle.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile | 3 +-
drivers/gpu/drm/i915/i915_drv.c | 8 +++
drivers/gpu/drm/i915/pxp/intel_pxp_pm.c | 82 +
drivers/gpu/drm/i915/pxp/intel_pxp_pm.h | 16 +
4 files changed
. It will also provide the communication
chanel to TEE (Trusted Execution Environment) for the protected
hardware session creation.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile| 4
drivers/gpu/drm/i915/i915_drv.c | 4
drivers/gpu/drm/i915/i915_drv.h | 4
From: Bommu Krishnaiah
Same old gem_create but with now with extensions support. This is needed
to support various upcoming usecases. For now we use the extensions
mechanism to support PAVP.
Signed-off-by: Bommu Krishnaiah
Cc: Joonas Lahtinen joonas.lahti...@linux.intel.com
Cc: Matthew Auld
Rename the whitelist to allowlist as suggested
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/intel_uncore.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_uncore.c
b/drivers/gpu/drm/i915/intel_uncore.c
index 1c14a07eba7d
for secure playback.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c| 4 ++
drivers/gpu/drm/i915/pxp/intel_pxp_sm.c | 92 +
drivers/gpu/drm/i915/pxp/intel_pxp_sm.h | 2 +
3 files changed, 98 insertions(+)
diff --git a/drivers/gpu/drm/i915/pxp/in
Add several i915 trace logs for PXP calls for debugging or
performance measurement, including:
(1) PXP ioctl
(2) PXP teardown callbacks
To trun on this feature, we need to set
"CONFIG_DRM_I915_LOW_LEVEL_TRACEPOINTS=y" in .config for compiling
the Linux kernel.
Signed-off-by: Hua
With this ioctl action, ring3 driver can reserve a specific
session slot/id assigned by ring0 PXP, as the first step of PXP
session establishment flow. Ring3 PXP stores the session info in
the session list structure.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c| 20
Implement the intel_pxp_gem_object_status() to allow ring0 i915
display querying the current PXP session state. In the design,
ring0 display should not perform protection flip on the protected
buffers if there is no PXP session alive.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp
From: Bommu Krishnaiah
This api allow user mode to create Protected buffer and context creation.
Signed-off-by: Bommu Krishnaiah
Cc: Telukuntla Sreedhar
Cc: Kondapally Kalyan
Cc: Gupta Anshuman
Cc: Huang Sean Z
---
drivers/gpu/drm/i915/gem/i915_gem_context.c | 15 ++--
drivers
Enable the ioctl action to allow ring3 driver sends TEE commands
via ring0 PXP ioctl, instead of TEE iotcl. So we can centralize
those protection operations at ring0 PXP.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c | 14 +
drivers/gpu/drm/i915/pxp/intel_pxp.h
Create the irq worker that serves as callback handler, those
callback stubs should be called while the hardware key teardown
occurs.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/gt/intel_gt_irq.c | 4 ++
drivers/gpu/drm/i915/i915_reg.h| 1 +
drivers/gpu/drm/i915/pxp
Teardown is triggered when the display topology changes and no
long meets the secure playback requirement, and hardware trashes
all the encryption keys for display. So as a result, ring0 PXP
should handle such case and terminate all the type0 sessions.
Signed-off-by: Huang, Sean Z
---
drivers
Enable one ioctl action to allow ring3 driver to set its ring3
context, so ring0 PXP can track the context id through this ring3
context list.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/i915_drv.c | 1 +
drivers/gpu/drm/i915/pxp/intel_pxp.c | 59
-developed-by: Tomas Winkler
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile| 1 +
drivers/gpu/drm/i915/i915_drv.c | 1 +
drivers/gpu/drm/i915/i915_drv.h | 6 +
drivers/gpu/drm/i915/pxp/intel_pxp.c | 5 +
drivers/gpu/drm/i915/pxp/intel_pxp_tee.c
Rename the whitelist to allowlist as suggested
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/intel_uncore.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_uncore.c
b/drivers/gpu/drm/i915/intel_uncore.c
index 1c14a07eba7d
With this ioctl action, ring3 driver can reserve a specific
session slot/id assigned by ring0 PXP, as the first step of PXP
session establishment flow. Ring3 PXP stores the session info in
the session list structure.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c| 20
Set the KCR init during the boot time, which is required by
hardware, to allow us doing further protection operation such
as sending commands to GPU or TEE
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile | 1 +
drivers/gpu/drm/i915/pxp/intel_pxp.c| 11
From: Bommu Krishnaiah
This api allow user mode to create Protected buffer and context creation.
Signed-off-by: Bommu Krishnaiah
Cc: Telukuntla Sreedhar
Cc: Kondapally Kalyan
Cc: Gupta Anshuman
Cc: Huang Sean Z
---
drivers/gpu/drm/i915/gem/i915_gem_context.c | 15 ++--
drivers
Implement the functions to get/set the PXP tag, which is 32-bit
bitwise value containing the hardware session info, such as its
session id, protection mode or whether it's enabled.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp_sm.c | 105
drivers
-developed-by: Tomas Winkler
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile| 1 +
drivers/gpu/drm/i915/i915_drv.c | 1 +
drivers/gpu/drm/i915/i915_drv.h | 6 +
drivers/gpu/drm/i915/pxp/intel_pxp.c | 5 +
drivers/gpu/drm/i915/pxp/intel_pxp_tee.c
Enable one ioctl action to allow ring3 driver to set its ring3
context, so ring0 PXP can track the context id through this ring3
context list.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/i915_drv.c | 1 +
drivers/gpu/drm/i915/pxp/intel_pxp.c | 59
needs to be re-created after
teardown or power event because hardware encryption key won't be
valid after such cases.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c | 50 +++-
drivers/gpu/drm/i915/pxp/intel_pxp.h | 2 +
drivers/gpu/drm/i915/pxp
Add several i915 trace logs for PXP calls for debugging or
performance measurement, including:
(1) PXP ioctl
(2) PXP teardown callbacks
To trun on this feature, we need to set
"CONFIG_DRM_I915_LOW_LEVEL_TRACEPOINTS=y" in .config for compiling
the Linux kernel.
Signed-off-by: Hua
Enable the ioctl action to allow ring3 driver sends TEE commands
via ring0 PXP ioctl, instead of TEE iotcl. So we can centralize
those protection operations at ring0 PXP.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c | 14 +
drivers/gpu/drm/i915/pxp/intel_pxp.h
Add several PXP-related reg into allowlist to allow
ring3 driver to read the those register values.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/i915_reg.h | 8
drivers/gpu/drm/i915/intel_uncore.c | 57 +
2 files changed, 50 insertions(+), 15
Implement the functions to allow ring0 PXP to send a GPU command
in order to terminate the hardware session, so hardware can
recycle this session slot for the next usage.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp_sm.c | 309
drivers/gpu/drm
From: Vitaly Lubart
Export PAVP client to work with i915_cp driver,
for binding it uses kernel component framework.
Signed-off-by: Vitaly Lubart
Signed-off-by: Tomas Winkler
---
drivers/misc/mei/Kconfig | 2 +
drivers/misc/mei/Makefile | 1 +
drivers/misc/mei/pxp/Kconfig |
after the power cycle.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile | 3 +-
drivers/gpu/drm/i915/i915_drv.c | 8 +++
drivers/gpu/drm/i915/pxp/intel_pxp_pm.c | 82 +
drivers/gpu/drm/i915/pxp/intel_pxp_pm.h | 16 +
4 files changed
Implement the intel_pxp_gem_object_status() to allow ring0 i915
display querying the current PXP session state. In the design,
ring0 display should not perform protection flip on the protected
buffers if there is no PXP session alive.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp
Enable the PXP ioctl action to allow ring3 PXP to terminate the
hardware session and cleanup its software session state.
Ring0 PXP sends the session termination command to GPU once
receves this ioctl action.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c| 7
Teardown is triggered when the display topology changes and no
long meets the secure playback requirement, and hardware trashes
all the encryption keys for display. So as a result, ring0 PXP
should handle such case and terminate all the type0 sessions.
Signed-off-by: Huang, Sean Z
---
drivers
Enable the PXP ioctl action to allow ring3 PXP to query the PXP
tag, which is a 32-bit bitwise value indicating the current
session info, including protection type, session id, and whether
the session is enabled.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c| 7
Implement the functions to check the hardware protected session
state via reading the hardware register session in play.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.h| 3 +
drivers/gpu/drm/i915/pxp/intel_pxp_sm.c | 176
drivers/gpu/drm/i915
Add PXP context which represents combined view
of driver and logical HW states.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile| 3 +-
drivers/gpu/drm/i915/pxp/intel_pxp.c | 32 ++--
drivers/gpu/drm/i915/pxp/intel_pxp.h | 3 ++
drivers
From: Bommu Krishnaiah
Same old gem_create but with now with extensions support. This is needed
to support various upcoming usecases. For now we use the extensions
mechanism to support PAVP.
Signed-off-by: Bommu Krishnaiah
Cc: Joonas Lahtinen joonas.lahti...@linux.intel.com
Cc: Matthew Auld
. It will also provide the communication
chanel to TEE (Trusted Execution Environment) for the protected
hardware session creation.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile| 4
drivers/gpu/drm/i915/i915_drv.c | 4
drivers/gpu/drm/i915/i915_drv.h | 4
user_flags instead gem_object_metadata. [Krishna]
Cc: Bommu Krishnaiah
Cc: Huang, Sean Z
Signed-off-by: Anshuman Gupta
---
drivers/gpu/drm/i915/display/intel_sprite.c | 21 ++---
drivers/gpu/drm/i915/i915_reg.h | 1 +
2 files changed, 19 insertions(+), 3 deletions
Ring0 PXP should terminate the hardware session and cleanup the
software state gracefully when the application has established
the protection session, but doesn't close the session correctly
due to some cases like application crash.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915
Create the irq worker that serves as callback handler, those
callback stubs should be called while the hardware key teardown
occurs.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/gt/intel_gt_irq.c | 4 ++
drivers/gpu/drm/i915/i915_reg.h| 1 +
drivers/gpu/drm/i915/pxp
From: Tomas Winkler
Enable protected audio video path client on mei client
bus.
Signed-off-by: Tomas Winkler
---
drivers/misc/mei/bus-fixup.c | 4
1 file changed, 4 insertions(+)
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c
index 4e30fa98fe7d..042399b397c9
for secure playback.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c| 4 ++
drivers/gpu/drm/i915/pxp/intel_pxp_sm.c | 92 +
drivers/gpu/drm/i915/pxp/intel_pxp_sm.h | 2 +
3 files changed, 98 insertions(+)
diff --git a/drivers/gpu/drm/i915/pxp/in
Enable the PXP ioctl action to allow ring3 PXP to terminate the
hardware session and cleanup its software session state.
Ring0 PXP sends the session termination command to GPU once
receves this ioctl action.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c| 7
-developed-by: Tomas Winkler
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile| 1 +
drivers/gpu/drm/i915/i915_drv.c | 1 +
drivers/gpu/drm/i915/i915_drv.h | 6 +
drivers/gpu/drm/i915/pxp/intel_pxp.c | 4 +
drivers/gpu/drm/i915/pxp/intel_pxp_tee.c
Enable the ioctl action to allow ring3 driver sends TEE commands
via ring0 PXP ioctl, instead of TEE iotcl. So we can centralize
those protection operations at ring0 PXP.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c | 15 ++
drivers/gpu/drm/i915/pxp/intel_pxp.h
Implement the intel_pxp_gem_object_status() to allow ring0 i915
display querying the current PXP session state. In the design,
ring0 display should not perform protection flip on the protected
buffers if there is no PXP session alive.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp
With this ioctl action, ring3 driver can reserve a specific
session slot/id assigned by ring0 PXP, as the first step of PXP
session establishment flow. Ring3 PXP stores the session info in
the session list structure.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c| 20
From: Bommu Krishnaiah
This api allow user mode to create Protected buffer and context creation.
Signed-off-by: Bommu Krishnaiah
Cc: Telukuntla Sreedhar
Cc: Kondapally Kalyan
Cc: Gupta Anshuman
Cc: Huang Sean Z
---
drivers/gpu/drm/i915/gem/i915_gem_context.c | 15 ++--
drivers
Teardown is triggered when the display topology changes and no
long meets the secure playback requirement, and hardware trashes
all the encryption keys for display. So as a result, ring0 PXP
should handle such case and terminate all the type0 sessions.
Signed-off-by: Huang, Sean Z
---
drivers
Enable the PXP ioctl action to allow ring3 PXP to query the PXP
tag, which is a 32-bit bitwise value indicating the current
session info, including protection type, session id, and whether
the session is enabled.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c| 7
From: Tomas Winkler
Enable protected audio video path client on mei client
bus.
Signed-off-by: Tomas Winkler
---
drivers/misc/mei/bus-fixup.c | 4
1 file changed, 4 insertions(+)
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c
index 4e30fa98fe7d..042399b397c9
Create the irq worker that serves as callback handler, those
callback stubs should be called while the hardware key teardown
occurs.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/gt/intel_gt_irq.c | 4 ++
drivers/gpu/drm/i915/i915_reg.h| 1 +
drivers/gpu/drm/i915/pxp
Rename the whitelist to allowlist as suggested
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/intel_uncore.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_uncore.c
b/drivers/gpu/drm/i915/intel_uncore.c
index 1c14a07eba7d
Implement the functions to get/set the PXP tag, which is 32-bit
bitwise value containing the hardware session info, such as its
session id, protection mode or whether it's enabled.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp_sm.c | 105
drivers
Enable one ioctl action to allow ring3 driver to set its ring3
context, so ring0 PXP can track the context id through this ring3
context list.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/i915_drv.c | 1 +
drivers/gpu/drm/i915/pxp/intel_pxp.c | 59
Set the KCR init during the boot time, which is required by
hardware, to allow us doing further protection operation such
as sending commands to GPU or TEE
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile | 1 +
drivers/gpu/drm/i915/pxp/intel_pxp.c| 11
user_flags instead gem_object_metadata. [Krishna]
Cc: Bommu Krishnaiah
Cc: Huang, Sean Z
Signed-off-by: Anshuman Gupta
---
drivers/gpu/drm/i915/display/intel_sprite.c | 21 ++---
drivers/gpu/drm/i915/i915_reg.h | 1 +
2 files changed, 19 insertions(+), 3 deletions
Implement the functions to check the hardware protected session
state via reading the hardware register session in play.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.h| 3 +
drivers/gpu/drm/i915/pxp/intel_pxp_sm.c | 176
drivers/gpu/drm/i915
Implement the functions to allow ring0 PXP to send a GPU command
in order to terminate the hardware session, so hardware can
recycle this session slot for the next usage.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp_sm.c | 309
drivers/gpu/drm
Add several i915 trace logs for PXP calls for debugging or
performance measurement, including:
(1) PXP ioctl
(2) PXP teardown callbacks
To trun on this feature, we need to set
"CONFIG_DRM_I915_LOW_LEVEL_TRACEPOINTS=y" in .config for compiling
the Linux kernel.
Signed-off-by: Hua
From: Vitaly Lubart
Export PAVP client to work with i915_cp driver,
for binding it uses kernel component framework.
Signed-off-by: Vitaly Lubart
Signed-off-by: Tomas Winkler
---
drivers/misc/mei/Kconfig | 2 +
drivers/misc/mei/Makefile | 1 +
drivers/misc/mei/pxp/Kconfig |
needs to be re-created after
teardown or power event because hardware encryption key won't be
valid after such cases.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c | 50 +++-
drivers/gpu/drm/i915/pxp/intel_pxp.h | 2 +
drivers/gpu/drm/i915/pxp
after the power cycle.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile | 3 +-
drivers/gpu/drm/i915/i915_drv.c | 8 +++
drivers/gpu/drm/i915/pxp/intel_pxp_pm.c | 82 +
drivers/gpu/drm/i915/pxp/intel_pxp_pm.h | 16 +
4 files changed
Add several PXP-related reg into allowlist to allow
ring3 driver to read the those register values.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/i915_reg.h | 8
drivers/gpu/drm/i915/intel_uncore.c | 57 +
2 files changed, 50 insertions(+), 15
. It will also provide the communication
chanel to TEE (Trusted Execution Environment) for the protected
hardware session creation.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile| 4
drivers/gpu/drm/i915/i915_drv.c | 4
drivers/gpu/drm/i915/i915_drv.h | 4
From: Bommu Krishnaiah
Same old gem_create but with now with extensions support. This is needed
to support various upcoming usecases. For now we use the extensions
mechanism to support PAVP.
Signed-off-by: Bommu Krishnaiah
Cc: Joonas Lahtinen joonas.lahti...@linux.intel.com
Cc: Matthew Auld
for secure playback.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/pxp/intel_pxp.c| 4 ++
drivers/gpu/drm/i915/pxp/intel_pxp_sm.c | 92 +
drivers/gpu/drm/i915/pxp/intel_pxp_sm.h | 2 +
3 files changed, 98 insertions(+)
diff --git a/drivers/gpu/drm/i915/pxp/in
Ring0 PXP should terminate the hardware session and cleanup the
software state gracefully when the application has established
the protection session, but doesn't close the session correctly
due to some cases like application crash.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915
Add PXP context which represents combined view
of driver and logical HW states.
Signed-off-by: Huang, Sean Z
---
drivers/gpu/drm/i915/Makefile| 3 +-
drivers/gpu/drm/i915/pxp/intel_pxp.c | 32 ++--
drivers/gpu/drm/i915/pxp/intel_pxp.h | 3 ++
drivers
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