>No need to add a new file for this. Just add this to vega20_reg_init.c.
Agreed.
>Also, please use the doorbell enums rather than hardcoding the numbers.
Ok. Where should I put the doorbell enums for vega20? In amdgpu.h or in vega20_reg_init.c?
thanks,
Oak
-----Original Message-----
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Alex Deucher
Sent: Wednesday, November 21, 2018 11:22 AM
To: Zeng, Oak <Oak.Zeng@xxxxxxx>
Cc: Zeng, Oak <Oak.Zeng@xxxxxxx>; amd-gfx list <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH 7/7] drm/amdgpu: Use new doorbell layout for vega20 and future asic
On Wed, Nov 21, 2018 at 10:52 AM Oak Zeng <ozeng@xxxxxxx> wrote:
>
> Change-Id: I04d22fb717ac50483c0835f160a2e860e344f358
> Signed-off-by: Oak Zeng <ozeng@xxxxxxx>
> Suggested-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
> Suggested-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/Makefile | 4 +-
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 +-
> drivers/gpu/drm/amd/amdgpu/soc15.h | 1 +
> .../drm/amd/amdgpu/vega20_doorbell_index_init.c | 64 ++++++++++++++++++++++
> 4 files changed, 70 insertions(+), 3 deletions(-) create mode 100644
> drivers/gpu/drm/amd/amdgpu/vega20_doorbell_index_init.c
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile
> b/drivers/gpu/drm/amd/amdgpu/Makefile
> index 3ab8eba..b3b150b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/Makefile
> +++ b/drivers/gpu/drm/amd/amdgpu/Makefile
> @@ -63,8 +63,8 @@ amdgpu-$(CONFIG_DRM_AMDGPU_SI)+= si.o gmc_v6_0.o
> gfx_v6_0.o si_ih.o si_dma.o dce
>
> amdgpu-y += \
> vi.o mxgpu_vi.o nbio_v6_1.o soc15.o emu_soc.o mxgpu_ai.o nbio_v7_0.o vega10_reg_init.o \
> - vega20_reg_init.o nbio_v7_4.o vega10_doorbell_index_init.o vega12_doorbell_index_init.o \
> - vi_doorbell_index_init.o
> + vega20_reg_init.o nbio_v7_4.o vi_doorbell_index_init.o vega10_doorbell_index_init.o \
> + vega12_doorbell_index_init.o vega20_doorbell_index_init.o
>
> # add DF block
> amdgpu-y += \
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 3ffd8f5..19f2149 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -517,8 +517,10 @@ static int amdgpu_device_doorbell_init(struct amdgpu_device *adev)
> vi_doorbell_index_init(adev);
> else if (adev->asic_type == CHIP_VEGA10)
> vega10_doorbell_index_init(adev);
> - else
> + else if (adev->asic_type == CHIP_VEGA12 || adev->asic_type ==
> + CHIP_RAVEN)
> vega12_doorbell_index_init(adev);
> + else
> + vega20_doorbell_index_init(adev);
>
> /* No doorbell on SI hardware generation */
> if (adev->asic_type < CHIP_BONAIRE) { diff --git
> a/drivers/gpu/drm/amd/amdgpu/soc15.h
> b/drivers/gpu/drm/amd/amdgpu/soc15.h
> index 939c0e8..6ba0d26 100644
> --- a/drivers/gpu/drm/amd/amdgpu/soc15.h
> +++ b/drivers/gpu/drm/amd/amdgpu/soc15.h
> @@ -60,4 +60,5 @@ int vega20_reg_base_init(struct amdgpu_device
> *adev);
>
> void vega10_doorbell_index_init(struct amdgpu_device *adev); void
> vega12_doorbell_index_init(struct amdgpu_device *adev);
> +void vega20_doorbell_index_init(struct amdgpu_device *adev);
> #endif
> diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_doorbell_index_init.c
> b/drivers/gpu/drm/amd/amdgpu/vega20_doorbell_index_init.c
> new file mode 100644
> index 0000000..dcaef7f
> --- /dev/null
> +++ b/drivers/gpu/drm/amd/amdgpu/vega20_doorbell_index_init.c
> @@ -0,0 +1,64 @@
> +/*
> + * Copyright 2018 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"
> +
> +void vega20_doorbell_index_init(struct amdgpu_device *adev) {
> + /* Compute + GFX: 0~255 */
> + adev->doorbell_index.kiq = 0x00;
> + adev->doorbell_index.mec_ring0 = 0x03;
> + adev->doorbell_index.mec_ring1 = 0x04;
> + adev->doorbell_index.mec_ring2 = 0x05;
> + adev->doorbell_index.mec_ring3 = 0x06;
> + adev->doorbell_index.mec_ring4 = 0x07;
> + adev->doorbell_index.mec_ring5 = 0x08;
> + adev->doorbell_index.mec_ring6 = 0x09;
> + adev->doorbell_index.mec_ring7 = 0x0a;
> + adev->doorbell_index.userqueue_start = 0x0b;
> + adev->doorbell_index.userqueue_end = 0x8a;
> + adev->doorbell_index.gfx_ring0 = 0x8b;
> + /* SDMA:256~335*/
> + adev->doorbell_index.sdma_engine0 = 0x100;
> + adev->doorbell_index.sdma_engine1 = 0x10a;
> + adev->doorbell_index.sdma_engine2 = 0x114;
> + adev->doorbell_index.sdma_engine3 = 0x11e;
> + adev->doorbell_index.sdma_engine4 = 0x128;
> + adev->doorbell_index.sdma_engine5 = 0x132;
> + adev->doorbell_index.sdma_engine6 = 0x13C;
> + adev->doorbell_index.sdma_engine7 = 0x146;
> + /* IH: 376~391 */
> + adev->doorbell_index.ih = 0x178;
> + /* MMSCH: 392~407 */
> + adev->doorbell_index.uvd_vce.uvd_ring0_1 = 0x188;
> + adev->doorbell_index.uvd_vce.uvd_ring2_3 = 0x189;
> + adev->doorbell_index.uvd_vce.uvd_ring4_5 = 0x18a;
> + adev->doorbell_index.uvd_vce.uvd_ring6_7 = 0x18b;
> + adev->doorbell_index.uvd_vce.vce_ring0_1 = 0x18c;
> + adev->doorbell_index.uvd_vce.vce_ring2_3 = 0x18d;
> + adev->doorbell_index.uvd_vce.vce_ring4_5 = 0x18e;
> + adev->doorbell_index.uvd_vce.vce_ring6_7 = 0x18f;
> + /* In unit of dword doorbell */
> + adev->doorbell_index.max_assignment = 0x18f << 1; }
No need to add a new file for this. Just add this to vega20_reg_init.c. Also, please use the doorbell enums rather than hardcoding the numbers.
Alex
> +
> --
> 2.7.4
>
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