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drm/amd: Enable SMUIO 15_0_0 support

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Add SMUIO 15_0_0.

Signed-off-by: Pratik Vishwakarma <Pratik.Vishwakarma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Pratik Vishwakarma 2025-12-05 14:05:07 -05:00 • committed by Alex Deucher
parent 65653210ed
commit 52cd9bc47f
4 changed files with 85 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/Makefile
View file

@ -253,6 +253,7 @@ amdgpu-y += \
smuio_v13_0_3.o \
smuio_v13_0_6.o \
smuio_v14_0_2.o \
smuio_v15_0_0.o \
smuio_v15_0_8.o
# add reset block

4
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
View file

@ -107,6 +107,7 @@
#include "smuio_v13_0_3.h"
#include "smuio_v13_0_6.h"
#include "smuio_v14_0_2.h"
#include "smuio_v15_0_0.h"
#include "smuio_v15_0_8.h"
#include "vcn_v5_0_0.h"
#include "vcn_v5_0_1.h"
@ -3192,6 +3193,9 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device *adev)
case IP_VERSION(14, 0, 2):
adev->smuio.funcs = &smuio_v14_0_2_funcs;
break;
case IP_VERSION(15, 0, 0):
adev->smuio.funcs = &smuio_v15_0_0_funcs;
break;
case IP_VERSION(15, 0, 8):
adev->smuio.funcs = &smuio_v15_0_8_funcs;
break;

50
drivers/gpu/drm/amd/amdgpu/smuio_v15_0_0.c Normal file
View file

@ -0,0 +1,50 @@
/*
* Copyright 2025 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "amdgpu.h"
#include "smuio_v15_0_0.h"
#include "smuio/smuio_15_0_0_offset.h"
#include "smuio/smuio_15_0_0_sh_mask.h"
#include <linux/preempt.h>
static u64 smuio_v15_0_0_get_gpu_clock_counter(struct amdgpu_device *adev)
{
u64 clock;
u64 clock_counter_lo, clock_counter_hi_pre, clock_counter_hi_after;
preempt_disable();
clock_counter_hi_pre = (u64)RREG32_SOC15(SMUIO, 0, regGOLDEN_TSC_COUNT_UPPER);
clock_counter_lo = (u64)RREG32_SOC15(SMUIO, 0, regGOLDEN_TSC_COUNT_LOWER);
/* the clock counter may be udpated during polling the counters */
clock_counter_hi_after = (u64)RREG32_SOC15(SMUIO, 0, regGOLDEN_TSC_COUNT_UPPER);
if (clock_counter_hi_pre != clock_counter_hi_after)
clock_counter_lo = (u64)RREG32_SOC15(SMUIO, 0, regGOLDEN_TSC_COUNT_LOWER);
preempt_enable();
clock = clock_counter_lo | (clock_counter_hi_after << 32ULL);
return clock;
}
const struct amdgpu_smuio_funcs smuio_v15_0_0_funcs = {
.get_gpu_clock_counter = smuio_v15_0_0_get_gpu_clock_counter,
};

30
drivers/gpu/drm/amd/amdgpu/smuio_v15_0_0.h Normal file
View file

@ -0,0 +1,30 @@
/*
* Copyright 2025 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __SMUIO_V15_0_0_H__
#define __SMUIO_V15_0_0_H__
#include "soc15_common.h"
extern const struct amdgpu_smuio_funcs smuio_v15_0_0_funcs;
#endif /* __SMUIO_V15_0_0_H__ */