[PATCH 08/10] drm/amdgpu: use the accessible target rlc safe mode Apis directly

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On Mon, Jul 9, 2018 at 12:08 AM, Quan, Evan <Evan.Quan at amd.com> wrote:
> Ping..
>
>> -----Original Message-----
>> From: Evan Quan [mailto:evan.quan at amd.com]
>> Sent: Thursday, July 05, 2018 5:10 PM
>> To: amd-gfx at lists.freedesktop.org
>> Cc: Quan, Evan <Evan.Quan at amd.com>
>> Subject: [PATCH 08/10] drm/amdgpu: use the accessible target rlc safe mode
>> Apis directly
>>
>> No need to do double dereference to reach the Apis. They are accessible
>> directly.
>>

One advantage of using the callback is that you may end up having
different callbacks for different asics within the gfx9 family.  I
don't know if this will be the case or not.  IIRC, there were
differences between chips on older gfx versions.

Alex

>> Change-Id: I4b810c5e1981e0810df36a701b20edaf1f6af207
>> Signed-off-by: Evan Quan <evan.quan at amd.com>
>> ---
>>  drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 8 ++++----
>>  1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
>> b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
>> index cb7f2efa9882..9679bdc0ea2e 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
>> @@ -3618,7 +3618,7 @@ static void
>> gfx_v9_0_update_3d_clock_gating(struct amdgpu_device *adev,  {
>>       uint32_t data, def;
>>
>> -     adev->gfx.rlc.funcs->enter_safe_mode(adev);
>> +     gfx_v9_0_enter_rlc_safe_mode(adev);
>>
>>       /* Enable 3D CGCG/CGLS */
>>       if (enable && (adev->cg_flags &
>> AMD_CG_SUPPORT_GFX_3D_CGCG)) { @@ -3658,7 +3658,7 @@ static void
>> gfx_v9_0_update_3d_clock_gating(struct amdgpu_device *adev,
>>                       WREG32_SOC15(GC, 0,
>> mmRLC_CGCG_CGLS_CTRL_3D, data);
>>       }
>>
>> -     adev->gfx.rlc.funcs->exit_safe_mode(adev);
>> +     gfx_v9_0_exit_rlc_safe_mode(adev);
>>  }
>>
>>  static void gfx_v9_0_update_coarse_grain_clock_gating(struct
>> amdgpu_device *adev, @@ -3666,7 +3666,7 @@ static void
>> gfx_v9_0_update_coarse_grain_clock_gating(struct amdgpu_device *adev  {
>>       uint32_t def, data;
>>
>> -     adev->gfx.rlc.funcs->enter_safe_mode(adev);
>> +     gfx_v9_0_enter_rlc_safe_mode(adev);
>>
>>       if (enable && (adev->cg_flags & AMD_CG_SUPPORT_GFX_CGCG)) {
>>               def = data = RREG32_SOC15(GC, 0,
>> mmRLC_CGTT_MGCG_OVERRIDE); @@ -3706,7 +3706,7 @@ static void
>> gfx_v9_0_update_coarse_grain_clock_gating(struct amdgpu_device *adev
>>                       WREG32_SOC15(GC, 0, mmRLC_CGCG_CGLS_CTRL,
>> data);
>>       }
>>
>> -     adev->gfx.rlc.funcs->exit_safe_mode(adev);
>> +     gfx_v9_0_exit_rlc_safe_mode(adev);
>>  }
>>
>>  static int gfx_v9_0_update_gfx_clock_gating(struct amdgpu_device *adev,
>> --
>> 2.18.0
>
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