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Date: Mon, 8 Jul 2019 10:46:19 -0400
From: Alex Deucher <alexdeucher@...il.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
"David (ChunMing) Zhou" <David1.Zhou@....com>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Oded Gabbay <oded.gabbay@...il.com>,
Philip Yang <Philip.Yang@....com>,
Jack Xiao <Jack.Xiao@....com>, Evan Quan <evan.quan@....com>,
Yong Zhao <Yong.Zhao@....com>, Amber Lin <Amber.Lin@....com>,
Feifei Xu <Feifei.Xu@....com>,
Felix Kuehling <Felix.Kuehling@....com>,
xinhui pan <xinhui.pan@....com>,
LKML <linux-kernel@...r.kernel.org>,
amd-gfx list <amd-gfx@...ts.freedesktop.org>,
Emily Deng <Emily.Deng@....com>, Huang Rui <ray.huang@....com>,
Maling list - DRI developers
<dri-devel@...ts.freedesktop.org>, Rex Zhu <Rex.Zhu@....com>,
Thomas Gleixner <tglx@...utronix.de>,
Shaoyun Liu <Shaoyun.Liu@....com>, Oak Zeng <Oak.Zeng@....com>,
Hawking Zhang <Hawking.Zhang@....com>
Subject: Re: [PATCH 2/2] amdgpu: make SOC15/navi support conditional
On Mon, Jul 8, 2019 at 10:42 AM Arnd Bergmann <arnd@...db.de> wrote:
>
> Enabling amdgpu but not CONFIG_DRM_AMD_DC leads to a warning:
>
> drivers/gpu/drm/amd/amdgpu/nv.c: In function 'nv_set_ip_blocks':
> drivers/gpu/drm/amd/amdgpu/nv.c:400:3: error: #warning "Enable CONFIG_DRM_AMD_DC for display support on navi." [-Werror=cpp]
> # warning "Enable CONFIG_DRM_AMD_DC for display support on navi."
> ^~~~~~~
> drivers/gpu/drm/amd/amdgpu/soc15.c: In function 'soc15_set_ip_blocks':
> drivers/gpu/drm/amd/amdgpu/soc15.c:653:3: error: #warning "Enable CONFIG_DRM_AMD_DC for display support on SOC15." [-Werror=cpp]
>
> However, CONFIG_DRM_AMD_DC can only be enabled on x86, so we
> cannot do that when building for other architectures.
DC is not limited to x86. I can drop the warning if that is the concern.
Alex
>
> Add another Kconfig symbol to handle the SOC15 and navi, making
> sure that we implicitly enable DC.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> drivers/gpu/drm/amd/amdgpu/Kconfig | 7 +++++
> drivers/gpu/drm/amd/amdgpu/Makefile | 32 +++++++++++++++-------
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 ++
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 ++
> 4 files changed, 33 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig b/drivers/gpu/drm/amd/amdgpu/Kconfig
> index a04f2fc7bf37..d7186dd88dbc 100644
> --- a/drivers/gpu/drm/amd/amdgpu/Kconfig
> +++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
> @@ -24,6 +24,13 @@ config DRM_AMDGPU_CIK
>
> radeon.cik_support=0 amdgpu.cik_support=1
>
> +config DRM_AMDGPU_SOC15
> + bool "Enable amdgpu support for SOC15 parts"
> + depends on DRM_AMDGPU
> + select DRM_AMD_DC
> + help
> + Choose this option if you want to enable support for SOC15 asics.
> +
> config DRM_AMDGPU_USERPTR
> bool "Always enable userptr write support"
> depends on DRM_AMDGPU
> diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
> index 3f5329906fce..e95ae468eaa1 100644
> --- a/drivers/gpu/drm/amd/amdgpu/Makefile
> +++ b/drivers/gpu/drm/amd/amdgpu/Makefile
> @@ -64,9 +64,10 @@ amdgpu-$(CONFIG_DRM_AMDGPU_CIK)+= cik.o cik_ih.o kv_smc.o kv_dpm.o \
>
> amdgpu-$(CONFIG_DRM_AMDGPU_SI)+= si.o gmc_v6_0.o gfx_v6_0.o si_ih.o si_dma.o dce_v6_0.o si_dpm.o si_smc.o
>
> -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 nbio_v2_3.o nv.o navi10_reg_init.o navi14_reg_init.o
> +amdgpu-y += vi.o mxgpu_vi.o emu_soc.o nbio_v7_4.o
> +
> +amdgpu-$(CONFIG_DRM_AMDGPU_SOC15) += gmc_v9_0.o nbio_v6_1.o soc15.o mxgpu_ai.o nbio_v7_0.o \
> + vega10_reg_init.o vega20_reg_init.o nbio_v2_3.o nv.o navi10_reg_init.o navi14_reg_init.o
>
> # add DF block
> amdgpu-y += \
> @@ -77,7 +78,10 @@ amdgpu-y += \
> amdgpu-y += \
> gmc_v7_0.o \
> gmc_v8_0.o \
> - gfxhub_v1_0.o mmhub_v1_0.o gmc_v9_0.o gfxhub_v1_1.o \
> + gfxhub_v1_0.o mmhub_v1_0.o gfxhub_v1_1.o
> +
> +amdgpu-$(CONFIG_DRM_AMDGPU_SOC15) += \
> + gmc_v9_0.o \
> gfxhub_v2_0.o mmhub_v2_0.o gmc_v10_0.o
>
> # add IH block
> @@ -86,7 +90,9 @@ amdgpu-y += \
> amdgpu_ih.o \
> iceland_ih.o \
> tonga_ih.o \
> - cz_ih.o \
> + cz_ih.o
> +
> +amdgpu-$(CONFIG_DRM_AMDGPU_SOC15) += \
> vega10_ih.o \
> navi10_ih.o
>
> @@ -111,7 +117,9 @@ amdgpu-y += \
> amdgpu-y += \
> amdgpu_gfx.o \
> amdgpu_rlc.o \
> - gfx_v8_0.o \
> + gfx_v8_0.o
> +
> +amdgpu-$(CONFIG_DRM_AMDGPU_SOC15) += \
> gfx_v9_0.o \
> gfx_v10_0.o
>
> @@ -119,12 +127,14 @@ amdgpu-y += \
> amdgpu-y += \
> amdgpu_sdma.o \
> sdma_v2_4.o \
> - sdma_v3_0.o \
> + sdma_v3_0.o
> +
> +amdgpu-$(CONFIG_DRM_AMDGPU_SOC15) += \
> sdma_v4_0.o \
> sdma_v5_0.o
>
> # add MES block
> -amdgpu-y += \
> +amdgpu-$(CONFIG_DRM_AMDGPU_SOC15) += \
> mes_v10_1.o
>
> # add UVD block
> @@ -161,8 +171,10 @@ amdgpu-y += \
> amdgpu_amdkfd_fence.o \
> amdgpu_amdkfd_gpuvm.o \
> amdgpu_amdkfd_gfx_v8.o \
> - amdgpu_amdkfd_gfx_v9.o \
> - amdgpu_amdkfd_gfx_v10.o
> +
> +amdgpu-$(CONFIG_DRM_AMDGPU_SOC15) += \
> + amdgpu_amdkfd_gfx_v9.o \
> + amdgpu_amdkfd_gfx_v10.o
>
> ifneq ($(CONFIG_DRM_AMDGPU_CIK),)
> amdgpu-y += amdgpu_amdkfd_gfx_v7.o
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> index 9fa4f25a3745..101d806ff996 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> @@ -81,6 +81,7 @@ void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev)
> case CHIP_VEGAM:
> kfd2kgd = amdgpu_amdkfd_gfx_8_0_get_functions();
> break;
> +#ifdef CONFIG_DRM_AMDGPU_SOC15
> case CHIP_VEGA10:
> case CHIP_VEGA12:
> case CHIP_VEGA20:
> @@ -90,6 +91,7 @@ void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev)
> case CHIP_NAVI10:
> kfd2kgd = amdgpu_amdkfd_gfx_10_0_get_functions();
> break;
> +#endif
> default:
> dev_info(adev->dev, "kfd not supported on this ASIC\n");
> return;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index a02ccce7bf53..2a6447febcb0 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -1530,6 +1530,7 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
> return r;
> break;
> #endif
> +#ifdef CONFIG_DRM_AMDGPU_SOC15
> case CHIP_VEGA10:
> case CHIP_VEGA12:
> case CHIP_VEGA20:
> @@ -1551,6 +1552,7 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
> if (r)
> return r;
> break;
> +#endif
> default:
> /* FIXME: not supported yet */
> return -EINVAL;
> --
> 2.20.0
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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