On Sun, Apr 12, 2020 at 11:08 PM Evan Quan <evan.quan@xxxxxxx> wrote:
>
> Vram lost counter is wrongly increased by two during baco reset.
>
> V2: assumed vram lost for mode1 reset on all ASICs
>
> Change-Id: I8b9959a5d1632abc774ba07d56cf295bdd8288eb
> Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 20 ++++++++++++++++++--
> drivers/gpu/drm/amd/amdgpu/cik.c | 2 --
> drivers/gpu/drm/amd/amdgpu/nv.c | 4 ----
> drivers/gpu/drm/amd/amdgpu/soc15.c | 4 ----
> drivers/gpu/drm/amd/amdgpu/vi.c | 2 --
> 5 files changed, 18 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index a2a4e4b28d00..8f479a918f0d 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -2087,8 +2087,24 @@ static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev)
> */
> static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev)
> {
> - return !!memcmp(adev->gart.ptr, adev->reset_magic,
> - AMDGPU_RESET_MAGIC_NUM);
> + if (memcmp(adev->gart.ptr, adev->reset_magic,
> + AMDGPU_RESET_MAGIC_NUM))
> + return true;
> +
> + if (!adev->in_gpu_reset)
> + return false;
> +
> + /*
> + * For all ASICs with baco/mode1 reset, the VRAM is
> + * always assumed to be lost.
> + */
> + switch (amdgpu_asic_reset_method(adev)) {
> + case AMD_RESET_METHOD_BACO:
> + case AMD_RESET_METHOD_MODE1:
> + return true;
> + default:
> + return false;
> + }
> }
>
> /**
> diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
> index db68ffa27984..fe306d0f73f7 100644
> --- a/drivers/gpu/drm/amd/amdgpu/cik.c
> +++ b/drivers/gpu/drm/amd/amdgpu/cik.c
> @@ -1358,8 +1358,6 @@ static int cik_asic_reset(struct amdgpu_device *adev)
> int r;
>
> if (cik_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
> - if (!adev->in_suspend)
> - amdgpu_inc_vram_lost(adev);
> r = amdgpu_dpm_baco_reset(adev);
> } else {
> r = cik_asic_pci_config_reset(adev);
> diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
> index 7768880fcccf..995bdec9fa7d 100644
> --- a/drivers/gpu/drm/amd/amdgpu/nv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/nv.c
> @@ -351,8 +351,6 @@ static int nv_asic_reset(struct amdgpu_device *adev)
> struct smu_context *smu = &adev->smu;
>
> if (nv_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
> - if (!adev->in_suspend)
> - amdgpu_inc_vram_lost(adev);
> ret = smu_baco_enter(smu);
> if (ret)
> return ret;
> @@ -360,8 +358,6 @@ static int nv_asic_reset(struct amdgpu_device *adev)
> if (ret)
> return ret;
> } else {
> - if (!adev->in_suspend)
> - amdgpu_inc_vram_lost(adev);
> ret = nv_asic_mode1_reset(adev);
> }
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
> index a597ad22b675..58a440a15525 100644
> --- a/drivers/gpu/drm/amd/amdgpu/soc15.c
> +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
> @@ -569,14 +569,10 @@ static int soc15_asic_reset(struct amdgpu_device *adev)
>
> switch (soc15_asic_reset_method(adev)) {
> case AMD_RESET_METHOD_BACO:
> - if (!adev->in_suspend)
> - amdgpu_inc_vram_lost(adev);
> return soc15_asic_baco_reset(adev);
> case AMD_RESET_METHOD_MODE2:
> return amdgpu_dpm_mode2_reset(adev);
> default:
> - if (!adev->in_suspend)
> - amdgpu_inc_vram_lost(adev);
> return soc15_asic_mode1_reset(adev);
> }
> }
> diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
> index 0a90c296409b..af8986a55354 100644
> --- a/drivers/gpu/drm/amd/amdgpu/vi.c
> +++ b/drivers/gpu/drm/amd/amdgpu/vi.c
> @@ -744,8 +744,6 @@ static int vi_asic_reset(struct amdgpu_device *adev)
> int r;
>
> if (vi_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
> - if (!adev->in_suspend)
> - amdgpu_inc_vram_lost(adev);
> r = amdgpu_dpm_baco_reset(adev);
> } else {
> r = vi_asic_pci_config_reset(adev);
> --
> 2.26.0
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
amd-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
