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| author | Christian König <christian.koenig@amd.com> | 2023-03-09 15:40:48 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-04-24 18:16:19 -0400 |
| commit | ac9287055ff16a092416c76a19006764e4c6a978 (patch) | |
| tree | bcf0603ea6cf1241d228ed64fe1fc397d753d5f2 /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | |
| parent | 043dc33f443fd7abaf3fe076897503ce3d5dbc26 (diff) | |
| download | linux-ac9287055ff16a092416c76a19006764e4c6a978.tar.gz linux-ac9287055ff16a092416c76a19006764e4c6a978.tar.bz2 linux-ac9287055ff16a092416c76a19006764e4c6a978.zip | |
drm/amdgpu: add gfx shadow CS IOCTL support
Add support for submitting the shadow update packet
when submitting an IB. Needed for MCBP on GFX11.
v2: update API for CSA (Alex)
v3: fix ordering; SET_Q_PREEMPTION_MODE most come before COND_EXEC
Add missing check for AMDGPU_CHUNK_ID_CP_GFX_SHADOW in
amdgpu_cs_pass1()
Only initialize shadow on first use
(Alex)
v4: Pass parameters rather than job to new ring callback (Alex)
v5: squash in change to call SET_Q_PREEMPTION_MODE/COND_EXEC
before RELEASE_MEM to complete the UMDs use of the shadow (Alex)
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index a8ec5ff41fc0..c3b3287dc29e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -288,6 +288,7 @@ static int amdgpu_cs_pass1(struct amdgpu_cs_parser *p, case AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES: case AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_WAIT: case AMDGPU_CHUNK_ID_SYNCOBJ_TIMELINE_SIGNAL: + case AMDGPU_CHUNK_ID_CP_GFX_SHADOW: break; default: @@ -578,6 +579,26 @@ static int amdgpu_cs_p2_syncobj_timeline_signal(struct amdgpu_cs_parser *p, return 0; } +static int amdgpu_cs_p2_shadow(struct amdgpu_cs_parser *p, + struct amdgpu_cs_chunk *chunk) +{ + struct drm_amdgpu_cs_chunk_cp_gfx_shadow *shadow = chunk->kdata; + int i; + + if (shadow->flags & ~AMDGPU_CS_CHUNK_CP_GFX_SHADOW_FLAGS_INIT_SHADOW) + return -EINVAL; + + for (i = 0; i < p->gang_size; ++i) { + p->jobs[i]->shadow_va = shadow->shadow_va; + p->jobs[i]->csa_va = shadow->csa_va; + p->jobs[i]->gds_va = shadow->gds_va; + p->jobs[i]->init_shadow = + shadow->flags & AMDGPU_CS_CHUNK_CP_GFX_SHADOW_FLAGS_INIT_SHADOW; + } + + return 0; +} + static int amdgpu_cs_pass2(struct amdgpu_cs_parser *p) { unsigned int ce_preempt = 0, de_preempt = 0; @@ -620,6 +641,11 @@ static int amdgpu_cs_pass2(struct amdgpu_cs_parser *p) if (r) return r; break; + case AMDGPU_CHUNK_ID_CP_GFX_SHADOW: + r = amdgpu_cs_p2_shadow(p, chunk); + if (r) + return r; + break; } } |