The capabilities of getting and setting VRAM carveout size are exposed in the ATCS mask. Parse and store these capabilities for future use.
Co-developed-by: Mario Limonciello (AMD) <[email protected]> Signed-off-by: Mario Limonciello (AMD) <[email protected]> Signed-off-by: Yo-Jung Leo Lin (AMD) <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 4 ++++ drivers/gpu/drm/amd/include/amd_acpi.h | 4 +++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 6c62e27b9800..0743fd8620e4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -116,7 +116,9 @@ struct amdgpu_atcs_functions { bool pcie_perf_req; bool pcie_dev_rdy; bool pcie_bus_width; + bool get_uma_size; bool power_shift_control; + bool set_uma_allocation_size; }; struct amdgpu_atcs { @@ -588,7 +590,9 @@ static void amdgpu_atcs_parse_functions(struct amdgpu_atcs_functions *f, u32 mas f->pcie_perf_req = mask & ATCS_PCIE_PERFORMANCE_REQUEST_SUPPORTED; f->pcie_dev_rdy = mask & ATCS_PCIE_DEVICE_READY_NOTIFICATION_SUPPORTED; f->pcie_bus_width = mask & ATCS_SET_PCIE_BUS_WIDTH_SUPPORTED; + f->get_uma_size = mask & ACPI_ATCS_GET_UMA_SIZE_SUPPORTED; f->power_shift_control = mask & ATCS_SET_POWER_SHIFT_CONTROL_SUPPORTED; + f->set_uma_allocation_size = mask & ACPI_ATCS_SET_UMA_ALLOCATION_SIZE_SUPPORTED; } /** diff --git a/drivers/gpu/drm/amd/include/amd_acpi.h b/drivers/gpu/drm/amd/include/amd_acpi.h index 06badbf0c5b9..e582339e8e8e 100644 --- a/drivers/gpu/drm/amd/include/amd_acpi.h +++ b/drivers/gpu/drm/amd/include/amd_acpi.h @@ -427,7 +427,9 @@ struct atcs_pwr_shift_input { # define ATCS_PCIE_PERFORMANCE_REQUEST_SUPPORTED (1 << 1) # define ATCS_PCIE_DEVICE_READY_NOTIFICATION_SUPPORTED (1 << 2) # define ATCS_SET_PCIE_BUS_WIDTH_SUPPORTED (1 << 3) -# define ATCS_SET_POWER_SHIFT_CONTROL_SUPPORTED (1 << 7) +# define ACPI_ATCS_GET_UMA_SIZE_SUPPORTED (1 << 5) +# define ATCS_SET_POWER_SHIFT_CONTROL_SUPPORTED (1 << 7) +# define ACPI_ATCS_SET_UMA_ALLOCATION_SIZE_SUPPORTED (1 << 9) #define ATCS_FUNCTION_GET_EXTERNAL_STATE 0x1 /* ARG0: ATCS_FUNCTION_GET_EXTERNAL_STATE * ARG1: none -- 2.43.0
