From a95d89e2d8e268d90d0f97c9c57d61006eec78c3 Mon Sep 17 00:00:00 2001 From: Feifei Xu Date: Fri, 23 Mar 2018 14:44:28 -0500 Subject: [PATCH] drm/amdgpu: Add nbio support for vega20 (v2) Some register offset in nbio v7.4 are different with v7.0. v2: Use nbio7.0 for now. TODO: add a new nbio 7.4 module (Alex) Signed-off-by: Feifei Xu Reviewed-by: Hawking Zhang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c | 18 +++++++++++++++++- drivers/gpu/drm/amd/amdgpu/soc15.c | 2 ++ 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c index df34dc79d444..365517c0121e 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c @@ -34,10 +34,19 @@ #define smnCPM_CONTROL 0x11180460 #define smnPCIE_CNTL2 0x11180070 +/* vega20 */ +#define mmRCC_DEV0_EPF0_STRAP0_VG20 0x0011 +#define mmRCC_DEV0_EPF0_STRAP0_VG20_BASE_IDX 2 + static u32 nbio_v7_0_get_rev_id(struct amdgpu_device *adev) { u32 tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0); + if (adev->asic_type == CHIP_VEGA20) + tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0_VG20); + else + tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0); + tmp &= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK; tmp >>= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT; @@ -75,10 +84,14 @@ static void nbio_v7_0_sdma_doorbell_range(struct amdgpu_device *adev, int instan SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA1_DOORBELL_RANGE); u32 doorbell_range = RREG32(reg); + u32 range = 2; + + if (adev->asic_type == CHIP_VEGA20) + range = 8; if (use_doorbell) { doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index); - doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 2); + doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, range); } else doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 0); @@ -133,6 +146,9 @@ static void nbio_v7_0_update_medium_grain_clock_gating(struct amdgpu_device *ade { uint32_t def, data; + if (adev->asic_type == CHIP_VEGA20) + return; + /* NBIF_MGCG_CTRL_LCLK */ def = data = RREG32_PCIE(smnNBIF_MGCG_CTRL_LCLK); diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 10337fb3fc1f..4e065c68b86c 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -496,6 +496,8 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev) if (adev->flags & AMD_IS_APU) adev->nbio_funcs = &nbio_v7_0_funcs; + else if (adev->asic_type == CHIP_VEGA20) + adev->nbio_funcs = &nbio_v7_0_funcs; else adev->nbio_funcs = &nbio_v6_1_funcs; -- 2.30.2