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Documentation/amdgpu: Add board info details

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Add documentation for board info sysfs attribute.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar
2023-09-28 09:04:11 +05:30
committed by Alex Deucher
parent 76da73f026
commit 4798db85b7
2 changed files with 22 additions and 0 deletions
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Documentation/gpu/amdgpu/driver-misc.rst
+6
View File
@@ -32,6 +32,12 @@ unique_id
.. kernel-doc:: drivers/gpu/drm/amd/pm/amdgpu_pm.c
:doc: unique_id
board_info
----------
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
:doc: board_info
Accelerated Processing Units (APU) Info
---------------------------------------
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+16
View File
@@ -162,6 +162,22 @@ static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev,
static DEVICE_ATTR(pcie_replay_count, 0444,
amdgpu_device_get_pcie_replay_count, NULL);
/**
* DOC: board_info
*
* The amdgpu driver provides a sysfs API for giving board related information.
* It provides the form factor information in the format
*
* type : form factor
*
* Possible form factor values
*
* - "cem" - PCIE CEM card
* - "oam" - Open Compute Accelerator Module
* - "unknown" - Not known
*
*/
static ssize_t amdgpu_device_get_board_info(struct device *dev,
struct device_attribute *attr,
char *buf)