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    <p>Hi Christian, <br>
    </p>
    <p><br>
    </p>
    <p>I realized we are still missing this patch while reading dmesg of
      <a href="https://gitlab.freedesktop.org/drm/amd/-/issues/1158">https://gitlab.freedesktop.org/drm/amd/-/issues/1158</a></p>
    <p><br>
    </p>
    <p>Regards,</p>
    <p>Nirmoy<br>
    </p>
    <div class="moz-cite-prefix">On 2/28/20 4:24 PM, Li, Dennis wrote:<br>
    </div>
    <blockquote type="cite" cite="mid:MN2PR12MB3167D3C9AB617B2B7DF3F016EDE80@MN2PR12MB3167.namprd12.prod.outlook.com">
      
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        <p class="msipheader87abd423" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#317100">[AMD
            Public Use]</span><o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Looks good to me<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Test-by: Dennis Li <<a href="mailto:dennis.li@amd.com" moz-do-not-send="true">dennis.li@amd.com</a>><o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Best Regards<o:p></o:p></p>
        <p class="MsoNormal">Dennis Li<o:p></o:p></p>
        <div>
          <div style="border:none;border-top:solid #E1E1E1
            1.0pt;padding:3.0pt 0in 0in 0in">
            <p class="MsoNormal"><b>From:</b> amd-gfx
              <a class="moz-txt-link-rfc2396E" href="mailto:amd-gfx-bounces@lists.freedesktop.org"><amd-gfx-bounces@lists.freedesktop.org></a>
              <b>On Behalf Of </b>Deucher, Alexander<br>
              <b>Sent:</b> Thursday, February 27, 2020 11:18 PM<br>
              <b>To:</b> Christian König
              <a class="moz-txt-link-rfc2396E" href="mailto:ckoenig.leichtzumerken@gmail.com"><ckoenig.leichtzumerken@gmail.com></a>; Das, Nirmoy
              <a class="moz-txt-link-rfc2396E" href="mailto:Nirmoy.Das@amd.com"><Nirmoy.Das@amd.com></a>; <a class="moz-txt-link-abbreviated" href="mailto:amd-gfx@lists.freedesktop.org">amd-gfx@lists.freedesktop.org</a><br>
              <b>Subject:</b> Re: [PATCH] drm/amdgpu: stop disable the
              scheduler during HW fini<o:p></o:p></p>
          </div>
        </div>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p style="margin:15.0pt"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#317100">[AMD
            Public Use]<o:p></o:p></span></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <div>
          <div>
            <p class="MsoNormal"><span style="font-size:12.0pt;color:black">Looks good to me.<o:p></o:p></span></p>
          </div>
          <div>
            <p class="MsoNormal"><span style="font-size:12.0pt;color:black">Reviewed-by: Alex
                Deucher <<a href="mailto:alexander.deucher@amd.com" moz-do-not-send="true">alexander.deucher@amd.com</a>><o:p></o:p></span></p>
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          <div id="divRplyFwdMsg">
            <p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> Christian König <<a href="mailto:ckoenig.leichtzumerken@gmail.com" moz-do-not-send="true">ckoenig.leichtzumerken@gmail.com</a>><br>
                <b>Sent:</b> Thursday, February 27, 2020 9:50 AM<br>
                <b>To:</b> Das, Nirmoy <<a href="mailto:Nirmoy.Das@amd.com" moz-do-not-send="true">Nirmoy.Das@amd.com</a>>;
                <a href="mailto:amd-gfx@lists.freedesktop.org" moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a>
                <<a href="mailto:amd-gfx@lists.freedesktop.org" moz-do-not-send="true">amd-gfx@lists.freedesktop.org</a>>;
                Deucher, Alexander <<a href="mailto:Alexander.Deucher@amd.com" moz-do-not-send="true">Alexander.Deucher@amd.com</a>><br>
                <b>Subject:</b> Re: [PATCH] drm/amdgpu: stop disable the
                scheduler during HW fini</span>
              <o:p></o:p></p>
            <div>
              <p class="MsoNormal"> <o:p></o:p></p>
            </div>
          </div>
          <div>
            <div>
              <p class="MsoNormal" style="margin-bottom:12.0pt">Alex any
                comment on this?<br>
                <br>
                Am 25.02.20 um 14:16 schrieb Nirmoy:<br>
                > Acked-by: Nirmoy Das <<a href="mailto:nirmoy.das@amd.com" moz-do-not-send="true">nirmoy.das@amd.com</a>><br>
                ><br>
                > On 2/25/20 2:07 PM, Christian König wrote:<br>
                >> When we stop the HW for example for GPU reset
                we should not stop the<br>
                >> front-end scheduler. Otherwise we run into
                intermediate failures during<br>
                >> command submission.<br>
                >><br>
                >> The scheduler should only be stopped in very
                few cases:<br>
                >> 1. We can't get the hardware working in ring or
                IB test after a GPU <br>
                >> reset.<br>
                >> 2. The KIQ scheduler is not used in the
                front-end and should be <br>
                >> disabled during GPU reset.<br>
                >> 3. In amdgpu_ring_fini() when the driver
                unloads.<br>
                >><br>
                >> Signed-off-by: Christian König <<a href="mailto:christian.koenig@amd.com" moz-do-not-send="true">christian.koenig@amd.com</a>><br>
                >> ---<br>
                >>   drivers/gpu/drm/amd/amdgpu/cik_sdma.c  |  2
                --<br>
                >>   drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c |  8
                --------<br>
                >>   drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c  |  5
                -----<br>
                >>   drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c  | 25
                +++++++++----------------<br>
                >>   drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c  |  7
                -------<br>
                >>   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c  |  9
                ---------<br>
                >>   drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c |  3
                ---<br>
                >>   drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c |  2
                --<br>
                >>   drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c |  2
                --<br>
                >>   drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c |  4
                ----<br>
                >>   drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c |  3
                ---<br>
                >>   drivers/gpu/drm/amd/amdgpu/si_dma.c    |  1 -<br>
                >>   drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c  |  3
                ---<br>
                >>   drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c  |  3
                ---<br>
                >>   drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c  |  3
                ---<br>
                >>   drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c  |  7
                -------<br>
                >>   drivers/gpu/drm/amd/amdgpu/vce_v4_0.c  |  4
                ----<br>
                >>   drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c  |  3
                ---<br>
                >>   drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c  |  9
                ---------<br>
                >>   drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c  | 11
                +----------<br>
                >>   20 files changed, 10 insertions(+), 104
                deletions(-)<br>
                >><br>
                >> diff --git
                a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c<br>
                >> index 4274ccf765de..cb3b3a0a1348 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c<br>
                >> @@ -320,8 +320,6 @@ static void
                cik_sdma_gfx_stop(struct <br>
                >> amdgpu_device *adev)<br>
                >>           WREG32(mmSDMA0_GFX_RB_CNTL +
                sdma_offsets[i], rb_cntl);<br>
                >>           WREG32(mmSDMA0_GFX_IB_CNTL +
                sdma_offsets[i], 0);<br>
                >>       }<br>
                >> -    sdma0->sched.ready = false;<br>
                >> -    sdma1->sched.ready = false;<br>
                >>   }<br>
                >>     /**<br>
                >> diff --git
                a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c<br>
                >> index 7b6158320400..36ce67ce4800 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c<br>
                >> @@ -2391,10 +2391,6 @@ static int
                gfx_v10_0_cp_gfx_enable(struct <br>
                >> amdgpu_device *adev, bool enable)<br>
                >>       tmp = REG_SET_FIELD(tmp, CP_ME_CNTL,
                ME_HALT, enable ? 0 : 1);<br>
                >>       tmp = REG_SET_FIELD(tmp, CP_ME_CNTL,
                PFP_HALT, enable ? 0 : 1);<br>
                >>       tmp = REG_SET_FIELD(tmp, CP_ME_CNTL,
                CE_HALT, enable ? 0 : 1);<br>
                >> -    if (!enable) {<br>
                >> -        for (i = 0; i <
                adev->gfx.num_gfx_rings; i++)<br>
                >> -           
                adev->gfx.gfx_ring[i].sched.ready = false;<br>
                >> -    }<br>
                >>       WREG32_SOC15(GC, 0, mmCP_ME_CNTL, tmp);<br>
                >>         for (i = 0; i <
                adev->usec_timeout; i++) {<br>
                >> @@ -2869,16 +2865,12 @@ static int
                gfx_v10_0_cp_gfx_resume(struct <br>
                >> amdgpu_device *adev)<br>
                >>     static void
                gfx_v10_0_cp_compute_enable(struct amdgpu_device <br>
                >> *adev, bool enable)<br>
                >>   {<br>
                >> -    int i;<br>
                >> -<br>
                >>       if (enable) {<br>
                >>           WREG32_SOC15(GC, 0, mmCP_MEC_CNTL,
                0);<br>
                >>       } else {<br>
                >>           WREG32_SOC15(GC, 0, mmCP_MEC_CNTL,<br>
                >>                   
                (CP_MEC_CNTL__MEC_ME1_HALT_MASK |<br>
                >>                    
                CP_MEC_CNTL__MEC_ME2_HALT_MASK));<br>
                >> -        for (i = 0; i <
                adev->gfx.num_compute_rings; i++)<br>
                >> -           
                adev->gfx.compute_ring[i].sched.ready = false;<br>
                >>           adev->gfx.kiq.ring.sched.ready =
                false;<br>
                >>       }<br>
                >>       udelay(50);<br>
                >> diff --git
                a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c<br>
                >> index 31f44d05e606..e462a099dbda 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c<br>
                >> @@ -1950,7 +1950,6 @@ static int
                gfx_v6_0_ring_test_ib(struct <br>
                >> amdgpu_ring *ring, long timeout)<br>
                >>     static void gfx_v6_0_cp_gfx_enable(struct
                amdgpu_device *adev, <br>
                >> bool enable)<br>
                >>   {<br>
                >> -    int i;<br>
                >>       if (enable) {<br>
                >>           WREG32(mmCP_ME_CNTL, 0);<br>
                >>       } else {<br>
                >> @@ -1958,10 +1957,6 @@ static void
                gfx_v6_0_cp_gfx_enable(struct <br>
                >> amdgpu_device *adev, bool enable)<br>
                >>                        
                CP_ME_CNTL__PFP_HALT_MASK |<br>
                >>                        
                CP_ME_CNTL__CE_HALT_MASK));<br>
                >>           WREG32(mmSCRATCH_UMSK, 0);<br>
                >> -        for (i = 0; i <
                adev->gfx.num_gfx_rings; i++)<br>
                >> -           
                adev->gfx.gfx_ring[i].sched.ready = false;<br>
                >> -        for (i = 0; i <
                adev->gfx.num_compute_rings; i++)<br>
                >> -           
                adev->gfx.compute_ring[i].sched.ready = false;<br>
                >>       }<br>
                >>       udelay(50);<br>
                >>   }<br>
                >> diff --git
                a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c<br>
                >> index 8f20a5dd44fe..9bc8673c83ac 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c<br>
                >> @@ -2431,15 +2431,12 @@ static int
                gfx_v7_0_ring_test_ib(struct <br>
                >> amdgpu_ring *ring, long timeout)<br>
                >>    */<br>
                >>   static void gfx_v7_0_cp_gfx_enable(struct
                amdgpu_device *adev, bool <br>
                >> enable)<br>
                >>   {<br>
                >> -    int i;<br>
                >> -<br>
                >> -    if (enable) {<br>
                >> +    if (enable)<br>
                >>           WREG32(mmCP_ME_CNTL, 0);<br>
                >> -    } else {<br>
                >> -        WREG32(mmCP_ME_CNTL,
                (CP_ME_CNTL__ME_HALT_MASK | <br>
                >> CP_ME_CNTL__PFP_HALT_MASK |
                CP_ME_CNTL__CE_HALT_MASK));<br>
                >> -        for (i = 0; i <
                adev->gfx.num_gfx_rings; i++)<br>
                >> -           
                adev->gfx.gfx_ring[i].sched.ready = false;<br>
                >> -    }<br>
                >> +    else<br>
                >> +        WREG32(mmCP_ME_CNTL,
                (CP_ME_CNTL__ME_HALT_MASK |<br>
                >> +                     
                CP_ME_CNTL__PFP_HALT_MASK |<br>
                >> +                     
                CP_ME_CNTL__CE_HALT_MASK));<br>
                >>       udelay(50);<br>
                >>   }<br>
                >>   @@ -2700,15 +2697,11 @@ static void <br>
                >> gfx_v7_0_ring_set_wptr_compute(struct
                amdgpu_ring *ring)<br>
                >>    */<br>
                >>   static void gfx_v7_0_cp_compute_enable(struct
                amdgpu_device *adev, <br>
                >> bool enable)<br>
                >>   {<br>
                >> -    int i;<br>
                >> -<br>
                >> -    if (enable) {<br>
                >> +    if (enable)<br>
                >>           WREG32(mmCP_MEC_CNTL, 0);<br>
                >> -    } else {<br>
                >> -        WREG32(mmCP_MEC_CNTL,
                (CP_MEC_CNTL__MEC_ME1_HALT_MASK | <br>
                >> CP_MEC_CNTL__MEC_ME2_HALT_MASK));<br>
                >> -        for (i = 0; i <
                adev->gfx.num_compute_rings; i++)<br>
                >> -           
                adev->gfx.compute_ring[i].sched.ready = false;<br>
                >> -    }<br>
                >> +    else<br>
                >> +        WREG32(mmCP_MEC_CNTL,
                (CP_MEC_CNTL__MEC_ME1_HALT_MASK |<br>
                >> +                      
                CP_MEC_CNTL__MEC_ME2_HALT_MASK));<br>
                >>       udelay(50);<br>
                >>   }<br>
                >>   diff --git
                a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c<br>
                >> index fa245973de12..7b6b03c02754 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c<br>
                >> @@ -4111,7 +4111,6 @@ static int
                gfx_v8_0_rlc_resume(struct <br>
                >> amdgpu_device *adev)<br>
                >>     static void gfx_v8_0_cp_gfx_enable(struct
                amdgpu_device *adev, <br>
                >> bool enable)<br>
                >>   {<br>
                >> -    int i;<br>
                >>       u32 tmp = RREG32(mmCP_ME_CNTL);<br>
                >>         if (enable) {<br>
                >> @@ -4122,8 +4121,6 @@ static void
                gfx_v8_0_cp_gfx_enable(struct <br>
                >> amdgpu_device *adev, bool enable)<br>
                >>           tmp = REG_SET_FIELD(tmp, CP_ME_CNTL,
                ME_HALT, 1);<br>
                >>           tmp = REG_SET_FIELD(tmp, CP_ME_CNTL,
                PFP_HALT, 1);<br>
                >>           tmp = REG_SET_FIELD(tmp, CP_ME_CNTL,
                CE_HALT, 1);<br>
                >> -        for (i = 0; i <
                adev->gfx.num_gfx_rings; i++)<br>
                >> -           
                adev->gfx.gfx_ring[i].sched.ready = false;<br>
                >>       }<br>
                >>       WREG32(mmCP_ME_CNTL, tmp);<br>
                >>       udelay(50);<br>
                >> @@ -4311,14 +4308,10 @@ static int
                gfx_v8_0_cp_gfx_resume(struct <br>
                >> amdgpu_device *adev)<br>
                >>     static void
                gfx_v8_0_cp_compute_enable(struct amdgpu_device <br>
                >> *adev, bool enable)<br>
                >>   {<br>
                >> -    int i;<br>
                >> -<br>
                >>       if (enable) {<br>
                >>           WREG32(mmCP_MEC_CNTL, 0);<br>
                >>       } else {<br>
                >>           WREG32(mmCP_MEC_CNTL,
                (CP_MEC_CNTL__MEC_ME1_HALT_MASK | <br>
                >> CP_MEC_CNTL__MEC_ME2_HALT_MASK));<br>
                >> -        for (i = 0; i <
                adev->gfx.num_compute_rings; i++)<br>
                >> -           
                adev->gfx.compute_ring[i].sched.ready = false;<br>
                >>           adev->gfx.kiq.ring.sched.ready =
                false;<br>
                >>       }<br>
                >>       udelay(50);<br>
                >> diff --git
                a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c<br>
                >> index 1c7a16b91686..a2f9882bd9b4 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c<br>
                >> @@ -3034,16 +3034,11 @@ static int
                gfx_v9_0_rlc_resume(struct <br>
                >> amdgpu_device *adev)<br>
                >>     static void gfx_v9_0_cp_gfx_enable(struct
                amdgpu_device *adev, <br>
                >> bool enable)<br>
                >>   {<br>
                >> -    int i;<br>
                >>       u32 tmp = RREG32_SOC15(GC, 0,
                mmCP_ME_CNTL);<br>
                >>         tmp = REG_SET_FIELD(tmp, CP_ME_CNTL,
                ME_HALT, enable ? 0 : 1);<br>
                >>       tmp = REG_SET_FIELD(tmp, CP_ME_CNTL,
                PFP_HALT, enable ? 0 : 1);<br>
                >>       tmp = REG_SET_FIELD(tmp, CP_ME_CNTL,
                CE_HALT, enable ? 0 : 1);<br>
                >> -    if (!enable) {<br>
                >> -        for (i = 0; i <
                adev->gfx.num_gfx_rings; i++)<br>
                >> -           
                adev->gfx.gfx_ring[i].sched.ready = false;<br>
                >> -    }<br>
                >>       WREG32_SOC15_RLC(GC, 0, mmCP_ME_CNTL,
                tmp);<br>
                >>       udelay(50);<br>
                >>   }<br>
                >> @@ -3239,15 +3234,11 @@ static int
                gfx_v9_0_cp_gfx_resume(struct <br>
                >> amdgpu_device *adev)<br>
                >>     static void
                gfx_v9_0_cp_compute_enable(struct amdgpu_device <br>
                >> *adev, bool enable)<br>
                >>   {<br>
                >> -    int i;<br>
                >> -<br>
                >>       if (enable) {<br>
                >>           WREG32_SOC15_RLC(GC, 0,
                mmCP_MEC_CNTL, 0);<br>
                >>       } else {<br>
                >>           WREG32_SOC15_RLC(GC, 0,
                mmCP_MEC_CNTL,<br>
                >>               (CP_MEC_CNTL__MEC_ME1_HALT_MASK |
                <br>
                >> CP_MEC_CNTL__MEC_ME2_HALT_MASK));<br>
                >> -        for (i = 0; i <
                adev->gfx.num_compute_rings; i++)<br>
                >> -           
                adev->gfx.compute_ring[i].sched.ready = false;<br>
                >>           adev->gfx.kiq.ring.sched.ready =
                false;<br>
                >>       }<br>
                >>       udelay(50);<br>
                >> diff --git
                a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c<br>
                >> index ff2e6e1ccde7..471710a42a0c 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c<br>
                >> @@ -169,14 +169,11 @@ static int
                jpeg_v2_0_hw_init(void *handle)<br>
                >>   static int jpeg_v2_0_hw_fini(void *handle)<br>
                >>   {<br>
                >>       struct amdgpu_device *adev = (struct
                amdgpu_device *)handle;<br>
                >> -    struct amdgpu_ring *ring =
                &adev->jpeg.inst->ring_dec;<br>
                >>         if (adev->jpeg.cur_state !=
                AMD_PG_STATE_GATE &&<br>
                >>             RREG32_SOC15(JPEG, 0,
                mmUVD_JRBC_STATUS))<br>
                >>           jpeg_v2_0_set_powergating_state(adev,
                AMD_PG_STATE_GATE);<br>
                >>   -    ring->sched.ready = false;<br>
                >> -<br>
                >>       return 0;<br>
                >>   }<br>
                >>   diff --git
                a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c<br>
                >> index fd7fa6082563..05b79aced6e8 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c<br>
                >> @@ -355,8 +355,6 @@ static void
                sdma_v2_4_gfx_stop(struct <br>
                >> amdgpu_device *adev)<br>
                >>           ib_cntl = REG_SET_FIELD(ib_cntl,
                SDMA0_GFX_IB_CNTL, <br>
                >> IB_ENABLE, 0);<br>
                >>           WREG32(mmSDMA0_GFX_IB_CNTL +
                sdma_offsets[i], ib_cntl);<br>
                >>       }<br>
                >> -    sdma0->sched.ready = false;<br>
                >> -    sdma1->sched.ready = false;<br>
                >>   }<br>
                >>     /**<br>
                >> diff --git
                a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c<br>
                >> index 4a8a7f0f3a9c..1448d9beb7a8 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c<br>
                >> @@ -529,8 +529,6 @@ static void
                sdma_v3_0_gfx_stop(struct <br>
                >> amdgpu_device *adev)<br>
                >>           ib_cntl = REG_SET_FIELD(ib_cntl,
                SDMA0_GFX_IB_CNTL, <br>
                >> IB_ENABLE, 0);<br>
                >>           WREG32(mmSDMA0_GFX_IB_CNTL +
                sdma_offsets[i], ib_cntl);<br>
                >>       }<br>
                >> -    sdma0->sched.ready = false;<br>
                >> -    sdma1->sched.ready = false;<br>
                >>   }<br>
                >>     /**<br>
                >> diff --git
                a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c<br>
                >> index 7cea4513c303..0c6eb65f96f3 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c<br>
                >> @@ -923,8 +923,6 @@ static void
                sdma_v4_0_gfx_stop(struct <br>
                >> amdgpu_device *adev)<br>
                >>           ib_cntl = RREG32_SDMA(i,
                mmSDMA0_GFX_IB_CNTL);<br>
                >>           ib_cntl = REG_SET_FIELD(ib_cntl,
                SDMA0_GFX_IB_CNTL, <br>
                >> IB_ENABLE, 0);<br>
                >>           WREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL,
                ib_cntl);<br>
                >> -<br>
                >> -        sdma[i]->sched.ready = false;<br>
                >>       }<br>
                >>   }<br>
                >>   @@ -971,8 +969,6 @@ static void
                sdma_v4_0_page_stop(struct <br>
                >> amdgpu_device *adev)<br>
                >>           ib_cntl = REG_SET_FIELD(ib_cntl,
                SDMA0_PAGE_IB_CNTL,<br>
                >>                       IB_ENABLE, 0);<br>
                >>           WREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL,
                ib_cntl);<br>
                >> -<br>
                >> -        sdma[i]->sched.ready = false;<br>
                >>       }<br>
                >>   }<br>
                >>   diff --git
                a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c<br>
                >> index 7ee603db8c57..5af66a24b0a2 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c<br>
                >> @@ -502,9 +502,6 @@ static void
                sdma_v5_0_gfx_stop(struct <br>
                >> amdgpu_device *adev)<br>
                >>           ib_cntl = REG_SET_FIELD(ib_cntl,
                SDMA0_GFX_IB_CNTL, <br>
                >> IB_ENABLE, 0);<br>
                >>           WREG32(sdma_v5_0_get_reg_offset(adev,
                i, <br>
                >> mmSDMA0_GFX_IB_CNTL), ib_cntl);<br>
                >>       }<br>
                >> -<br>
                >> -    sdma0->sched.ready = false;<br>
                >> -    sdma1->sched.ready = false;<br>
                >>   }<br>
                >>     /**<br>
                >> diff --git
                a/drivers/gpu/drm/amd/amdgpu/si_dma.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/si_dma.c<br>
                >> index 7f64d73043cf..a8548678c37d 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/si_dma.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/si_dma.c<br>
                >> @@ -124,7 +124,6 @@ static void
                si_dma_stop(struct amdgpu_device *adev)<br>
                >>             if (adev->mman.buffer_funcs_ring
                == ring)<br>
                >>              
                amdgpu_ttm_set_buffer_funcs_status(adev, false);<br>
                >> -        ring->sched.ready = false;<br>
                >>       }<br>
                >>   }<br>
                >>   diff --git
                a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c<br>
                >> index 82abd8e728ab..957e14e2c155 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c<br>
                >> @@ -210,13 +210,10 @@ static int
                uvd_v4_2_hw_init(void *handle)<br>
                >>   static int uvd_v4_2_hw_fini(void *handle)<br>
                >>   {<br>
                >>       struct amdgpu_device *adev = (struct
                amdgpu_device *)handle;<br>
                >> -    struct amdgpu_ring *ring =
                &adev->uvd.inst->ring;<br>
                >>         if (RREG32(mmUVD_STATUS) != 0)<br>
                >>           uvd_v4_2_stop(adev);<br>
                >>   -    ring->sched.ready = false;<br>
                >> -<br>
                >>       return 0;<br>
                >>   }<br>
                >>   diff --git
                a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c<br>
                >> index 0fa8aae2d78e..2aad6689823b 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c<br>
                >> @@ -208,13 +208,10 @@ static int
                uvd_v5_0_hw_init(void *handle)<br>
                >>   static int uvd_v5_0_hw_fini(void *handle)<br>
                >>   {<br>
                >>       struct amdgpu_device *adev = (struct
                amdgpu_device *)handle;<br>
                >> -    struct amdgpu_ring *ring =
                &adev->uvd.inst->ring;<br>
                >>         if (RREG32(mmUVD_STATUS) != 0)<br>
                >>           uvd_v5_0_stop(adev);<br>
                >>   -    ring->sched.ready = false;<br>
                >> -<br>
                >>       return 0;<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 e0aadcaf6c8b..a9d06ec5d09a 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c<br>
                >> @@ -535,13 +535,10 @@ static int
                uvd_v6_0_hw_init(void *handle)<br>
                >>   static int uvd_v6_0_hw_fini(void *handle)<br>
                >>   {<br>
                >>       struct amdgpu_device *adev = (struct
                amdgpu_device *)handle;<br>
                >> -    struct amdgpu_ring *ring =
                &adev->uvd.inst->ring;<br>
                >>         if (RREG32(mmUVD_STATUS) != 0)<br>
                >>           uvd_v6_0_stop(adev);<br>
                >>   -    ring->sched.ready = false;<br>
                >> -<br>
                >>       return 0;<br>
                >>   }<br>
                >>   diff --git
                a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c<br>
                >> index 0995378d8263..af3b1c9d3377 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c<br>
                >> @@ -598,7 +598,6 @@ static int
                uvd_v7_0_hw_init(void *handle)<br>
                >>   static int uvd_v7_0_hw_fini(void *handle)<br>
                >>   {<br>
                >>       struct amdgpu_device *adev = (struct
                amdgpu_device *)handle;<br>
                >> -    int i;<br>
                >>         if (!amdgpu_sriov_vf(adev))<br>
                >>           uvd_v7_0_stop(adev);<br>
                >> @@ -607,12 +606,6 @@ static int
                uvd_v7_0_hw_fini(void *handle)<br>
                >>           DRM_DEBUG("For SRIOV client,
                shouldn't do anything.\n");<br>
                >>       }<br>
                >>   -    for (i = 0; i <
                adev->uvd.num_uvd_inst; ++i) {<br>
                >> -        if (adev->uvd.harvest_config &
                (1 << i))<br>
                >> -            continue;<br>
                >> -        adev->uvd.inst[i].ring.sched.ready
                = false;<br>
                >> -    }<br>
                >> -<br>
                >>       return 0;<br>
                >>   }<br>
                >>   diff --git
                a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c<br>
                >> index 3fd102efb7af..5e986dea4645 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c<br>
                >> @@ -539,7 +539,6 @@ static int
                vce_v4_0_hw_init(void *handle)<br>
                >>   static int vce_v4_0_hw_fini(void *handle)<br>
                >>   {<br>
                >>       struct amdgpu_device *adev = (struct
                amdgpu_device *)handle;<br>
                >> -    int i;<br>
                >>         if (!amdgpu_sriov_vf(adev)) {<br>
                >>           /* vce_v4_0_wait_for_idle(handle); */<br>
                >> @@ -549,9 +548,6 @@ static int
                vce_v4_0_hw_fini(void *handle)<br>
                >>           DRM_DEBUG("For SRIOV client,
                shouldn't do anything.\n");<br>
                >>       }<br>
                >>   -    for (i = 0; i <
                adev->vce.num_rings; i++)<br>
                >> -        adev->vce.ring[i].sched.ready =
                false;<br>
                >> -<br>
                >>       return 0;<br>
                >>   }<br>
                >>   diff --git
                a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c<br>
                >> index 71f61afdc655..df92c4e1efaa 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c<br>
                >> @@ -227,14 +227,11 @@ static int
                vcn_v1_0_hw_init(void *handle)<br>
                >>   static int vcn_v1_0_hw_fini(void *handle)<br>
                >>   {<br>
                >>       struct amdgpu_device *adev = (struct
                amdgpu_device *)handle;<br>
                >> -    struct amdgpu_ring *ring =
                &adev->vcn.inst->ring_dec;<br>
                >>         if ((adev->pg_flags &
                AMD_PG_SUPPORT_VCN_DPG) ||<br>
                >>           RREG32_SOC15(VCN, 0, mmUVD_STATUS))<br>
                >>           vcn_v1_0_set_powergating_state(adev,
                AMD_PG_STATE_GATE);<br>
                >>   -    ring->sched.ready = false;<br>
                >> -<br>
                >>       return 0;<br>
                >>   }<br>
                >>   diff --git
                a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c<br>
                >> index c387c81f8695..37508277cbdf 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c<br>
                >> @@ -232,21 +232,12 @@ static int
                vcn_v2_0_hw_init(void *handle)<br>
                >>   static int vcn_v2_0_hw_fini(void *handle)<br>
                >>   {<br>
                >>       struct amdgpu_device *adev = (struct
                amdgpu_device *)handle;<br>
                >> -    struct amdgpu_ring *ring =
                &adev->vcn.inst->ring_dec;<br>
                >> -    int i;<br>
                >>         if ((adev->pg_flags &
                AMD_PG_SUPPORT_VCN_DPG) ||<br>
                >>           (adev->vcn.cur_state !=
                AMD_PG_STATE_GATE &&<br>
                >>             RREG32_SOC15(VCN, 0,
                mmUVD_STATUS)))<br>
                >>           vcn_v2_0_set_powergating_state(adev,
                AMD_PG_STATE_GATE);<br>
                >>   -    ring->sched.ready = false;<br>
                >> -<br>
                >> -    for (i = 0; i <
                adev->vcn.num_enc_rings; ++i) {<br>
                >> -        ring =
                &adev->vcn.inst->ring_enc[i];<br>
                >> -        ring->sched.ready = false;<br>
                >> -    }<br>
                >> -<br>
                >>       return 0;<br>
                >>   }<br>
                >>   diff --git
                a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c <br>
                >> b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c<br>
                >> index 2d64ba1adf99..90a1994857db 100644<br>
                >> --- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c<br>
                >> +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c<br>
                >> @@ -307,25 +307,16 @@ static int
                vcn_v2_5_hw_init(void *handle)<br>
                >>   static int vcn_v2_5_hw_fini(void *handle)<br>
                >>   {<br>
                >>       struct amdgpu_device *adev = (struct
                amdgpu_device *)handle;<br>
                >> -    struct amdgpu_ring *ring;<br>
                >> -    int i, j;<br>
                >> +    int i;<br>
                >>         for (i = 0; i <
                adev->vcn.num_vcn_inst; ++i) {<br>
                >>           if (adev->vcn.harvest_config &
                (1 << i))<br>
                >>               continue;<br>
                >> -        ring =
                &adev->vcn.inst[i].ring_dec;<br>
                >>             if ((adev->pg_flags &
                AMD_PG_SUPPORT_VCN_DPG) ||<br>
                >>               (adev->vcn.cur_state !=
                AMD_PG_STATE_GATE &&<br>
                >>                RREG32_SOC15(VCN, i,
                mmUVD_STATUS)))<br>
                >>              
                vcn_v2_5_set_powergating_state(adev, AMD_PG_STATE_GATE);<br>
                >> -<br>
                >> -        ring->sched.ready = false;<br>
                >> -<br>
                >> -        for (j = 0; j <
                adev->vcn.num_enc_rings; ++j) {<br>
                >> -            ring =
                &adev->vcn.inst[i].ring_enc[j];<br>
                >> -            ring->sched.ready = false;<br>
                >> -        }<br>
                >>       }<br>
                >>         return 0;<br>
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