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drm/amdgpu/si: add need_reset_on_init asic callback for SI (v2) 

SI chips don't require a reset on reload due to the nature of
the SMU on them.

v2: rebase

Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2018-10-31 23:56:16 -05:00
parent 444018893a
commit 7450bbe781
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/amd/amdgpu/si.c
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@ -1259,6 +1259,11 @@ static bool si_need_full_reset(struct amdgpu_device *adev)
return true; return true;
} }
static bool si_need_reset_on_init(struct amdgpu_device *adev)
{
return false;
}
static int si_get_pcie_lanes(struct amdgpu_device *adev) static int si_get_pcie_lanes(struct amdgpu_device *adev)
{ {
u32 link_width_cntl; u32 link_width_cntl;
@ -1387,6 +1392,7 @@ static const struct amdgpu_asic_funcs si_asic_funcs =
.invalidate_hdp = &si_invalidate_hdp, .invalidate_hdp = &si_invalidate_hdp,
.need_full_reset = &si_need_full_reset, .need_full_reset = &si_need_full_reset,
.get_pcie_usage = &si_get_pcie_usage, .get_pcie_usage = &si_get_pcie_usage,
.need_reset_on_init = &si_need_reset_on_init,
}; };
static uint32_t si_get_rev_id(struct amdgpu_device *adev) static uint32_t si_get_rev_id(struct amdgpu_device *adev)