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<p>Kinda buried trying to sort out the gfx6 boot failure but if someone can just email as an attachment the 5 patches I'll test them on my Stoney system (my CZ system is being used by the Tahiti board...)</p>
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<p>Tom</p>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Deucher, Alexander <Alexander.Deucher@amd.com><br>
<b>Sent:</b> Wednesday, November 9, 2016 11:03<br>
<b>To:</b> Zhu, Rex; amd-gfx@lists.freedesktop.org<br>
<b>Cc:</b> Zhu, Rex<br>
<b>Subject:</b> RE: [PATCH 4/5] drm/amdgpu: refine uvd 6.0 clock gate feature.</font>
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<div class="PlainText">> -----Original Message-----<br>
> From: amd-gfx [<a href="mailto:amd-gfx-bounces@lists.freedesktop.org">mailto:amd-gfx-bounces@lists.freedesktop.org</a>] On Behalf<br>
> Of Rex Zhu<br>
> Sent: Wednesday, November 09, 2016 2:42 AM<br>
> To: amd-gfx@lists.freedesktop.org<br>
> Cc: Zhu, Rex<br>
> Subject: [PATCH 4/5] drm/amdgpu: refine uvd 6.0 clock gate feature.<br>
> <br>
> Change-Id: I3b665f26689dd35750e1a6521cd5fac5456f7556<br>
> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com><br>
<br>
Can someone make sure this doesn't regress CZ and ST?  As long as they are still ok, the patches 4, 5 are:<br>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com><br>
<br>
> ---<br>
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 112<br>
> ++++++++++++++++++++++++++++------<br>
>  1 file changed, 92 insertions(+), 20 deletions(-)<br>
> <br>
> diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c<br>
> b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c<br>
> index 00fad69..c697a73 100644<br>
> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c<br>
> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c<br>
> @@ -42,6 +42,10 @@ static void uvd_v6_0_set_irq_funcs(struct<br>
> amdgpu_device *adev);<br>
>  static int uvd_v6_0_start(struct amdgpu_device *adev);<br>
>  static void uvd_v6_0_stop(struct amdgpu_device *adev);<br>
>  static void uvd_v6_0_set_sw_clock_gating(struct amdgpu_device *adev);<br>
> +static int uvd_v6_0_set_clockgating_state(void *handle,<br>
> +                                       enum amd_clockgating_state state);<br>
> +static void uvd_v6_0_enable_mgcg(struct amdgpu_device *adev,<br>
> +                              bool enable);<br>
> <br>
>  /**<br>
>   * uvd_v6_0_ring_get_rptr - get read pointer<br>
> @@ -151,8 +155,6 @@ static int uvd_v6_0_hw_init(void *handle)<br>
>        uint32_t tmp;<br>
>        int r;<br>
> <br>
> -     amdgpu_asic_set_uvd_clocks(adev, 10000, 10000);<br>
> -<br>
>        r = uvd_v6_0_start(adev);<br>
>        if (r)<br>
>                goto done;<br>
> @@ -395,11 +397,11 @@ static int uvd_v6_0_start(struct amdgpu_device<br>
> *adev)<br>
>        lmi_swap_cntl = 0;<br>
>        mp_swap_cntl = 0;<br>
> <br>
> +     amdgpu_asic_set_uvd_clocks(adev, 10000, 10000);<br>
> +     uvd_v6_0_set_clockgating_state(adev, AMD_CG_STATE_UNGATE);<br>
> +     uvd_v6_0_enable_mgcg(adev, true);<br>
>        uvd_v6_0_mc_resume(adev);<br>
> <br>
> -     /* disable clock gating */<br>
> -     WREG32_FIELD(UVD_CGC_CTRL, DYN_CLOCK_MODE, 0);<br>
> -<br>
>        /* disable interupt */<br>
>        WREG32_FIELD(UVD_MASTINT_EN, VCPU_EN, 0);<br>
> <br>
> @@ -838,22 +840,69 @@ static int uvd_v6_0_process_interrupt(struct<br>
> amdgpu_device *adev,<br>
>        return 0;<br>
>  }<br>
> <br>
> +static void uvd_v6_0_enable_clock_gating(struct amdgpu_device *adev,<br>
> bool enable)<br>
> +{<br>
> +     uint32_t data1, data3;<br>
> +<br>
> +     data1 = RREG32(mmUVD_SUVD_CGC_GATE);<br>
> +     data3 = RREG32(mmUVD_CGC_GATE);<br>
> +<br>
> +     data1 |= UVD_SUVD_CGC_GATE__SRE_MASK |<br>
> +                  UVD_SUVD_CGC_GATE__SIT_MASK |<br>
> +                  UVD_SUVD_CGC_GATE__SMP_MASK |<br>
> +                  UVD_SUVD_CGC_GATE__SCM_MASK |<br>
> +                  UVD_SUVD_CGC_GATE__SDB_MASK |<br>
> +                  UVD_SUVD_CGC_GATE__SRE_H264_MASK |<br>
> +                  UVD_SUVD_CGC_GATE__SRE_HEVC_MASK |<br>
> +                  UVD_SUVD_CGC_GATE__SIT_H264_MASK |<br>
> +                  UVD_SUVD_CGC_GATE__SIT_HEVC_MASK |<br>
> +                  UVD_SUVD_CGC_GATE__SCM_H264_MASK |<br>
> +                  UVD_SUVD_CGC_GATE__SCM_HEVC_MASK |<br>
> +                  UVD_SUVD_CGC_GATE__SDB_H264_MASK |<br>
> +                  UVD_SUVD_CGC_GATE__SDB_HEVC_MASK;<br>
> +<br>
> +     if (enable) {<br>
> +             data3 |= (UVD_CGC_GATE__SYS_MASK       |<br>
> +                     UVD_CGC_GATE__UDEC_MASK      |<br>
> +                     UVD_CGC_GATE__MPEG2_MASK     |<br>
> +                     UVD_CGC_GATE__RBC_MASK       |<br>
> +                     UVD_CGC_GATE__LMI_MC_MASK    |<br>
> +                     UVD_CGC_GATE__LMI_UMC_MASK   |<br>
> +                     UVD_CGC_GATE__IDCT_MASK      |<br>
> +                     UVD_CGC_GATE__MPRD_MASK      |<br>
> +                     UVD_CGC_GATE__MPC_MASK       |<br>
> +                     UVD_CGC_GATE__LBSI_MASK      |<br>
> +                     UVD_CGC_GATE__LRBBM_MASK     |<br>
> +                     UVD_CGC_GATE__UDEC_RE_MASK   |<br>
> +                     UVD_CGC_GATE__UDEC_CM_MASK   |<br>
> +                     UVD_CGC_GATE__UDEC_IT_MASK   |<br>
> +                     UVD_CGC_GATE__UDEC_DB_MASK   |<br>
> +                     UVD_CGC_GATE__UDEC_MP_MASK   |<br>
> +                     UVD_CGC_GATE__WCB_MASK       |<br>
> +                     UVD_CGC_GATE__VCPU_MASK      |<br>
> +                     UVD_CGC_GATE__JPEG_MASK      |<br>
> +                     UVD_CGC_GATE__SCPU_MASK      |<br>
> +                     UVD_CGC_GATE__JPEG2_MASK);<br>
> +             data3 &= ~UVD_CGC_GATE__REGS_MASK;<br>
> +     } else {<br>
> +             data3 = 0;<br>
> +     }<br>
> +<br>
> +     WREG32(mmUVD_SUVD_CGC_GATE, data1);<br>
> +     WREG32(mmUVD_CGC_GATE, data3);<br>
> +}<br>
> +<br>
>  static void uvd_v6_0_set_sw_clock_gating(struct amdgpu_device *adev)<br>
>  {<br>
> -     uint32_t data, data1, data2, suvd_flags;<br>
> +     uint32_t data, data2;<br>
> <br>
>        data = RREG32(mmUVD_CGC_CTRL);<br>
> -     data1 = RREG32(mmUVD_SUVD_CGC_GATE);<br>
>        data2 = RREG32(mmUVD_SUVD_CGC_CTRL);<br>
> <br>
> +<br>
>        data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK |<br>
>                  UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK);<br>
> <br>
> -     suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK |<br>
> -                  UVD_SUVD_CGC_GATE__SIT_MASK |<br>
> -                  UVD_SUVD_CGC_GATE__SMP_MASK |<br>
> -                  UVD_SUVD_CGC_GATE__SCM_MASK |<br>
> -                  UVD_SUVD_CGC_GATE__SDB_MASK;<br>
> <br>
>        data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK |<br>
>                (1 << REG_FIELD_SHIFT(UVD_CGC_CTRL,<br>
> CLK_GATE_DLY_TIMER)) |<br>
> @@ -886,11 +935,8 @@ static void uvd_v6_0_set_sw_clock_gating(struct<br>
> amdgpu_device *adev)<br>
>                        UVD_SUVD_CGC_CTRL__SMP_MODE_MASK |<br>
>                        UVD_SUVD_CGC_CTRL__SCM_MODE_MASK |<br>
>                        UVD_SUVD_CGC_CTRL__SDB_MODE_MASK);<br>
> -     data1 |= suvd_flags;<br>
> <br>
>        WREG32(mmUVD_CGC_CTRL, data);<br>
> -     WREG32(mmUVD_CGC_GATE, 0);<br>
> -     WREG32(mmUVD_SUVD_CGC_GATE, data1);<br>
>        WREG32(mmUVD_SUVD_CGC_CTRL, data2);<br>
>  }<br>
> <br>
> @@ -937,6 +983,32 @@ static void uvd_v6_0_set_hw_clock_gating(struct<br>
> amdgpu_device *adev)<br>
>  }<br>
>  #endif<br>
> <br>
> +static void uvd_v6_0_enable_mgcg(struct amdgpu_device *adev,<br>
> +                              bool enable)<br>
> +{<br>
> +     u32 orig, data;<br>
> +<br>
> +     if (enable && (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG))<br>
> {<br>
> +             data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL);<br>
> +             data |= 0xfff;<br>
> +             WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data);<br>
> +<br>
> +             orig = data = RREG32(mmUVD_CGC_CTRL);<br>
> +             data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;<br>
> +             if (orig != data)<br>
> +                     WREG32(mmUVD_CGC_CTRL, data);<br>
> +     } else {<br>
> +             data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL);<br>
> +             data &= ~0xfff;<br>
> +             WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data);<br>
> +<br>
> +             orig = data = RREG32(mmUVD_CGC_CTRL);<br>
> +             data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;<br>
> +             if (orig != data)<br>
> +                     WREG32(mmUVD_CGC_CTRL, data);<br>
> +     }<br>
> +}<br>
> +<br>
>  static int uvd_v6_0_set_clockgating_state(void *handle,<br>
>                                          enum amd_clockgating_state state)<br>
>  {<br>
> @@ -947,17 +1019,17 @@ static int uvd_v6_0_set_clockgating_state(void<br>
> *handle,<br>
>                return 0;<br>
> <br>
>        if (enable) {<br>
> -             /* disable HW gating and enable Sw gating */<br>
> -             uvd_v6_0_set_sw_clock_gating(adev);<br>
> -     } else {<br>
>                /* wait for STATUS to clear */<br>
>                if (uvd_v6_0_wait_for_idle(handle))<br>
>                        return -EBUSY;<br>
> -<br>
> +             uvd_v6_0_enable_clock_gating(adev, true);<br>
>                /* enable HW gates because UVD is idle */<br>
>  /*           uvd_v6_0_set_hw_clock_gating(adev); */<br>
> +     } else {<br>
> +             /* disable HW gating and enable Sw gating */<br>
> +             uvd_v6_0_enable_clock_gating(adev, false);<br>
>        }<br>
> -<br>
> +     uvd_v6_0_set_sw_clock_gating(adev);<br>
>        return 0;<br>
>  }<br>
> <br>
> --<br>
> 1.9.1<br>
> <br>
> _______________________________________________<br>
> amd-gfx mailing list<br>
> amd-gfx@lists.freedesktop.org<br>
> <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a><br>
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