From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/amd/amdgpu/smuio_v9_0.c | 77 +++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 drivers/gpu/drm/amd/amdgpu/smuio_v9_0.c (limited to 'drivers/gpu/drm/amd/amdgpu/smuio_v9_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/smuio_v9_0.c b/drivers/gpu/drm/amd/amdgpu/smuio_v9_0.c new file mode 100644 index 0000000000..e4e30b9d48 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/smuio_v9_0.c @@ -0,0 +1,77 @@ +/* + * Copyright 2020 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_v9_0.h" +#include "smuio/smuio_9_0_offset.h" +#include "smuio/smuio_9_0_sh_mask.h" + +static u32 smuio_v9_0_get_rom_index_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX); +} + +static u32 smuio_v9_0_get_rom_data_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA); +} + +static void smuio_v9_0_update_rom_clock_gating(struct amdgpu_device *adev, bool enable) +{ + u32 def, data; + + /* enable/disable ROM CG is not supported on APU */ + if (adev->flags & AMD_IS_APU) + return; + + def = data = RREG32_SOC15(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0); + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG)) + data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK | + CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK); + else + data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK | + CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK; + + if (def != data) + WREG32_SOC15(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0, data); +} + +static void smuio_v9_0_get_clock_gating_state(struct amdgpu_device *adev, u64 *flags) +{ + u32 data; + + /* CGTT_ROM_CLK_CTRL0 is not availabe for APUs */ + if (adev->flags & AMD_IS_APU) + return; + + data = RREG32_SOC15(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0); + if (!(data & CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK)) + *flags |= AMD_CG_SUPPORT_ROM_MGCG; +} + +const struct amdgpu_smuio_funcs smuio_v9_0_funcs = { + .get_rom_index_offset = smuio_v9_0_get_rom_index_offset, + .get_rom_data_offset = smuio_v9_0_get_rom_data_offset, + .update_rom_clock_gating = smuio_v9_0_update_rom_clock_gating, + .get_clock_gating_state = smuio_v9_0_get_clock_gating_state, +}; -- cgit v1.2.3