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drm/amd/pp: Add a helper to set field in u32
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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2 changed files with 18 additions and 0 deletions
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@ -64,6 +64,22 @@ uint16_t convert_to_vddc(uint8_t vid)
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return (uint16_t) ((6200 - (vid * 25)) / VOLTAGE_SCALE);
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}
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uint32_t phm_set_field_to_u32(u32 offset, u32 original_data, u32 field, u32 size)
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{
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u32 mask = 0;
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u32 shift = 0;
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shift = (offset % 4) << 3;
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if (size == sizeof(uint8_t))
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mask = 0xFF << shift;
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else if (size == sizeof(uint16_t))
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mask = 0xFFFF << shift;
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original_data &= ~mask;
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original_data |= (field << shift);
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return original_data;
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}
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static int phm_thermal_l2h_irq(void *private_data,
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unsigned src_id, const uint32_t *iv_entry)
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{
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@ -829,6 +829,8 @@ extern int rv_init_function_pointers(struct pp_hwmgr *hwmgr);
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extern int phm_get_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t voltage_type,
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uint32_t sclk, uint16_t id, uint16_t *voltage);
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extern uint32_t phm_set_field_to_u32(u32 offset, u32 original_data, u32 field, u32 size);
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#define PHM_ENTIRE_REGISTER_MASK 0xFFFFFFFFU
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#define PHM_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
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