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SubjectRe: [PATCH 2/2] drm/amdgpu: Remove ASPM workaround on VI and NV
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On 3/29/2023 4:59 AM, Kai-Heng Feng wrote:
> Since the original issue is resolved by a new fix, the ASPM workaround
> can be dropped.
What is the new fix? Can you elaborate more or add the new fix commit here?
>
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 -
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 15 ---------------
> drivers/gpu/drm/amd/amdgpu/nv.c | 2 +-
> drivers/gpu/drm/amd/amdgpu/vi.c | 2 +-
> 4 files changed, 2 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index 8cf2cc50b3de..a19a6489b117 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -1248,7 +1248,6 @@ void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
> int amdgpu_device_pci_reset(struct amdgpu_device *adev);
> bool amdgpu_device_need_post(struct amdgpu_device *adev);
> bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev);
> -bool amdgpu_device_aspm_support_quirk(void);
>
> void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
> u64 num_vis_bytes);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index d56b7a2bafa6..0cacace2d6c2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -81,10 +81,6 @@
>
> #include <drm/drm_drv.h>
>
> -#if IS_ENABLED(CONFIG_X86)
> -#include <asm/intel-family.h>
> -#endif
> -
> MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin");
> MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin");
> MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin");
> @@ -1377,17 +1373,6 @@ bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev)
> return pcie_aspm_enabled(adev->pdev);
> }
>
> -bool amdgpu_device_aspm_support_quirk(void)
> -{
> -#if IS_ENABLED(CONFIG_X86)
> - struct cpuinfo_x86 *c = &cpu_data(0);
> -
> - return !(c->x86 == 6 && c->x86_model == INTEL_FAM6_ALDERLAKE);
> -#else
> - return true;
> -#endif
> -}
> -
> /* if we get transitioned to only one device, take VGA back */
> /**
> * amdgpu_device_vga_set_decode - enable/disable vga decode
> diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
> index 47420b403871..15f3c6745ea9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/nv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/nv.c
> @@ -522,7 +522,7 @@ static int nv_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
>
> static void nv_program_aspm(struct amdgpu_device *adev)
> {
> - if (!amdgpu_device_should_use_aspm(adev) || !amdgpu_device_aspm_support_quirk())
> + if (!amdgpu_device_should_use_aspm(adev))
> return;
>
> if (!(adev->flags & AMD_IS_APU) &&
> diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
> index 531f173ade2d..81dcb1148a60 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vi.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vi.c
> @@ -1122,7 +1122,7 @@ static void vi_program_aspm(struct amdgpu_device *adev)
> bool bL1SS = false;
> bool bClkReqSupport = true;
>
> - if (!amdgpu_device_should_use_aspm(adev) || !amdgpu_device_aspm_support_quirk())
> + if (!amdgpu_device_should_use_aspm(adev))
> return;
>
> if (adev->flags & AMD_IS_APU ||

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