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drm/xe: Expose fan control and voltage regulator version

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Add sysfs attributes for late binding features which expose bound version
to the user.

v2: Rework attribute and macro naming (Badal)
v3: Drop fancy formatting (Rodrigo)
v4: Form version string using local variables (Rodrigo)

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250709164224.2676086-1-raag.jadav@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Raag Jadav
2025-07-09 22:12:24 +05:30
committed by Rodrigo Vivi
parent 017ef1228d
commit cdc36b66cd
2 changed files with 157 additions and 1 deletions
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15
drivers/gpu/drm/xe/xe_pcode_api.h
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@@ -50,6 +50,21 @@
#define READ_PL_FROM_FW 0x1
#define READ_PL_FROM_PCODE 0x0
#define PCODE_LATE_BINDING 0x5C
#define GET_CAPABILITY_STATUS 0x0
#define V1_FAN_SUPPORTED REG_BIT(0)
#define VR_PARAMS_SUPPORTED REG_BIT(3)
#define V1_FAN_PROVISIONED REG_BIT(16)
#define VR_PARAMS_PROVISIONED REG_BIT(19)
#define GET_VERSION_LOW 0x1
#define GET_VERSION_HIGH 0x2
#define MAJOR_VERSION_MASK REG_GENMASK(31, 16)
#define MINOR_VERSION_MASK REG_GENMASK(15, 0)
#define HOTFIX_VERSION_MASK REG_GENMASK(31, 16)
#define BUILD_VERSION_MASK REG_GENMASK(15, 0)
#define FAN_TABLE 1
#define VR_CONFIG 2
#define PCODE_FREQUENCY_CONFIG 0x6e
/* Frequency Config Sub Commands (param1) */
#define PCODE_MBOX_FC_SC_READ_FUSED_P0 0x0