[PATCH 147/159] drm/amdgpu: restore aldebaran save ttmp and trap config on init (v2)

Felix Kuehling felix.kuehling at amd.com
Thu Feb 25 18:42:47 UTC 2021


Am 2021-02-25 um 1:32 p.m. schrieb Deucher, Alexander:
>
> [AMD Official Use Only - Internal Distribution Only]
>
>
> I dropped the KFD debugger hunks and just added the gfx 9.4.2 changes
> since these were required for a bunch of later patches that build on
> that file that are not dependent on debugger. 

I see.


> I can rework the commit message if you'd like.

No, that's fine. I'd prefer to keep the original message to correlate it
with the remaining change on the DKMS branch.


Thanks,
  Felix


>
> Alex
>
> ------------------------------------------------------------------------
> *From:* Kuehling, Felix <Felix.Kuehling at amd.com>
> *Sent:* Wednesday, February 24, 2021 10:22 PM
> *To:* Deucher, Alexander <Alexander.Deucher at amd.com>;
> amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
> *Cc:* Kim, Jonathan <Jonathan.Kim at amd.com>
> *Subject:* Re: [PATCH 147/159] drm/amdgpu: restore aldebaran save ttmp
> and trap config on init (v2)
>  
> This patch is for the debugger functionality that's not on
> amd-staging-drm-next yet. You can probably drop this patch for now.
>
> Regards,
>    Felix
>
> On 2021-02-24 5:18 p.m., Alex Deucher wrote:
> > From: Jonathan Kim <Jonathan.Kim at amd.com>
> >
> > Initialization of TRAP_DATA0/1 is still required for the debugger to
> detect
> > new waves on Aldebaran.  Also, per-vmid global trap enablement may be
> > required outside of debugger scope so move to init phase.
> >
> > v2: just add the gfx 9.4.2 changes (Alex)
> >
> > Signed-off-by: Jonathan Kim <Jonathan.Kim at amd.com>
> > Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>
> > Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> > ---
> >   drivers/gpu/drm/amd/amdgpu/Makefile     |  1 +
> >   drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c   |  1 +
> >   drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c | 50 +++++++++++++++++++++++++
> >   drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.h | 30 +++++++++++++++
> >   4 files changed, 82 insertions(+)
> >   create mode 100644 drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c
> >   create mode 100644 drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.h
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile
> b/drivers/gpu/drm/amd/amdgpu/Makefile
> > index c5ec926bc6d5..741b68874e53 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/Makefile
> > +++ b/drivers/gpu/drm/amd/amdgpu/Makefile
> > @@ -123,6 +123,7 @@ amdgpu-y += \
> >        gfx_v8_0.o \
> >        gfx_v9_0.o \
> >        gfx_v9_4.o \
> > +     gfx_v9_4_2.o \
> >        gfx_v10_0.o
> >  
> >   # add async DMA block
> > diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> > index 5bac5659e707..78bb4e28c27c 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> > @@ -49,6 +49,7 @@
> >  
> >   #include "gfx_v9_4.h"
> >   #include "gfx_v9_0.h"
> > +#include "gfx_v9_4_2.h"
> >  
> >   #include "asic_reg/pwr/pwr_10_0_offset.h"
> >   #include "asic_reg/pwr/pwr_10_0_sh_mask.h"
> > diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c
> b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c
> > new file mode 100644
> > index 000000000000..0c2ccbe327ab
> > --- /dev/null
> > +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c
> > @@ -0,0 +1,50 @@
> > +/*
> > + * Copyright 2020 Advanced Micro Devices, Inc.
> > + *
> > + * Permission is hereby granted, free of charge, to any person
> obtaining a
> > + * copy of this software and associated documentation files (the
> "Software"),
> > + * to deal in the Software without restriction, including without
> limitation
> > + * the rights to use, copy, modify, merge, publish, distribute,
> sublicense,
> > + * and/or sell copies of the Software, and to permit persons to
> whom the
> > + * Software is furnished to do so, subject to the following conditions:
> > + *
> > + * The above copyright notice and this permission notice shall be
> included in
> > + * all copies or substantial portions of the Software.
> > + *
> > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> EXPRESS OR
> > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> MERCHANTABILITY,
> > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO
> EVENT SHALL
> > + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM,
> DAMAGES OR
> > + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
> OTHERWISE,
> > + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
> USE OR
> > + * OTHER DEALINGS IN THE SOFTWARE.
> > + *
> > + */
> > +#include "amdgpu.h"
> > +#include "soc15.h"
> > +
> > +#include "gc/gc_9_4_2_offset.h"
> > +#include "gc/gc_9_4_2_sh_mask.h"
> > +
> > +void gfx_v9_4_2_debug_trap_config_init(struct amdgpu_device *adev,
> > +                             uint32_t first_vmid,
> > +                             uint32_t last_vmid)
> > +{
> > +     uint32_t data;
> > +     int i;
> > +
> > +     mutex_lock(&adev->srbm_mutex);
> > +
> > +     for (i = first_vmid; i < last_vmid; i++) {
> > +             data = 0;
> > +             soc15_grbm_select(adev, 0, 0, 0, i);
> > +             data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL,
> TRAP_EN, 1);
> > +             data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL,
> EXCP_EN, 0);
> > +             data = REG_SET_FIELD(data, SPI_GDBG_PER_VMID_CNTL,
> EXCP_REPLACE,
> > +                                     0);
> > +             WREG32(SOC15_REG_OFFSET(GC, 0,
> regSPI_GDBG_PER_VMID_CNTL), data);
> > +     }
> > +
> > +     soc15_grbm_select(adev, 0, 0, 0, 0);
> > +     mutex_unlock(&adev->srbm_mutex);
> > +}
> > diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.h
> b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.h
> > new file mode 100644
> > index 000000000000..5b175c10de23
> > --- /dev/null
> > +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.h
> > @@ -0,0 +1,30 @@
> > +/*
> > + * Copyright 2020 Advanced Micro Devices, Inc.
> > + *
> > + * Permission is hereby granted, free of charge, to any person
> obtaining a
> > + * copy of this software and associated documentation files (the
> "Software"),
> > + * to deal in the Software without restriction, including without
> limitation
> > + * the rights to use, copy, modify, merge, publish, distribute,
> sublicense,
> > + * and/or sell copies of the Software, and to permit persons to
> whom the
> > + * Software is furnished to do so, subject to the following conditions:
> > + *
> > + * The above copyright notice and this permission notice shall be
> included in
> > + * all copies or substantial portions of the Software.
> > + *
> > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> EXPRESS OR
> > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> MERCHANTABILITY,
> > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO
> EVENT SHALL
> > + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM,
> DAMAGES OR
> > + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
> OTHERWISE,
> > + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
> USE OR
> > + * OTHER DEALINGS IN THE SOFTWARE.
> > + *
> > + */
> > +
> > +#ifndef __GFX_V9_4_2_H__
> > +#define __GFX_V9_4_2_H__
> > +
> > +void gfx_v9_4_2_debug_trap_config_init(struct amdgpu_device *adev,
> > +                             uint32_t first_vmid, uint32_t last_vmid);
> > +
> > +#endif /* __GFX_V9_4_2_H__ */


More information about the amd-gfx mailing list