PROTOCOLS
ArmMali
Defined in fuchsia.hardware.gpu.mali/mali.fidl
Low-level protocol between ARM Mali GPU driver and low-level SoC driver.
EnterProtectedMode
Cause the GPU to enter protected mode. All buses must be idle and the L2 cache cleared before executing this command.
Request
<EMPTY>
Response
| Name | Type |
|---|---|
status |
zx/status
|
FinishExitProtectedMode
Allows the GPU to access non-protected memory. Must only be called after StartExitProtectedMode. The RESET_COMPLETED bit in the GPU_IRQ_RAWSTAT register must be set while this is called.
Request
<EMPTY>
Response
| Name | Type |
|---|---|
status |
zx/status
|
GetProperties
Request
<EMPTY>
Response
| Name | Type |
|---|---|
properties |
MaliProperties
|
StartExitProtectedMode
Start the process of exiting protected mode. All buses must be idle and the L2 cache cleared before executing this command. The GPU will not be able to access any memory after this command is complete and will be reset. The driver must wait for the reset to complete then call FinishExitProtectedMode().
Request
<EMPTY>
Response
| Name | Type |
|---|---|
status |
zx/status
|
STRUCTS
MaliProperties
Defined in fuchsia.hardware.gpu.mali/mali.fidl
| Field | Type | Description | Default |
|---|---|---|---|
supports_protected_mode |
bool
|
No default | |
use_protected_mode_callbacks |
bool
|
If true, the driver should use Enter/StartExit/FinishExit protected mode callbacks rather than entering protected mode directly with register writes. |
No default |