From: Luben Tuikov Date: Wed, 22 Apr 2020 21:56:56 +0000 (-0400) Subject: drm/amdgpu: Move to a per-IB secure flag (TMZ) X-Git-Tag: v5.10.7~2352^2~19^2~18 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0bb5d5b03f78aeb5f87d47877eb15532875c64da;p=platform%2Fkernel%2Flinux-rpi.git drm/amdgpu: Move to a per-IB secure flag (TMZ) Move from a per-CS secure flag (TMZ) to a per-IB secure flag. Signed-off-by: Luben Tuikov Reviewed-by: Huang Rui Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 99de770a8e9f..3eee5c7d83e0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -232,8 +232,6 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, union drm_amdgpu_cs if (ret) goto free_all_kdata; - p->job->secure = cs->in.flags & AMDGPU_CS_FLAGS_SECURE; - if (p->ctx->vram_lost_counter != p->job->vram_lost_counter) { ret = -ECANCELED; goto free_all_kdata; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 045951d2b46c..cba22039df6c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -133,6 +133,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, uint64_t fence_ctx; uint32_t status = 0, alloc_size; unsigned fence_flags = 0; + bool secure; unsigned i; int r = 0; @@ -214,9 +215,10 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, if (job && ring->funcs->emit_cntxcntl) { status |= job->preamble_status; status |= job->preemption_status; - amdgpu_ring_emit_cntxcntl(ring, status, job->secure); + amdgpu_ring_emit_cntxcntl(ring, status); } + secure = false; for (i = 0; i < num_ibs; ++i) { ib = &ibs[i]; @@ -228,12 +230,27 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, !amdgpu_sriov_vf(adev)) /* for SRIOV preemption, Preamble CE ib must be inserted anyway */ continue; + /* If this IB is TMZ, add frame TMZ start packet, + * else, turn off TMZ. + */ + if (ib->flags & AMDGPU_IB_FLAGS_SECURE && ring->funcs->emit_tmz) { + if (!secure) { + secure = true; + amdgpu_ring_emit_tmz(ring, true); + } + } else if (secure) { + secure = false; + amdgpu_ring_emit_tmz(ring, false); + } + amdgpu_ring_emit_ib(ring, job, ib, status); status &= ~AMDGPU_HAVE_CTX_SWITCH; } - if (ring->funcs->emit_tmz) - amdgpu_ring_emit_tmz(ring, false, job ? job->secure : false); + if (secure) { + secure = false; + amdgpu_ring_emit_tmz(ring, false); + } #ifdef CONFIG_X86_64 if (!(adev->flags & AMD_IS_APU)) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h index 7f5ccee476a4..81caac9b958a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h @@ -62,9 +62,6 @@ struct amdgpu_job { /* user fence handling */ uint64_t uf_addr; uint64_t uf_sequence; - - /* the job is due to a secure command submission */ - bool secure; }; int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h index 5956eff2d784..7d39064f9361 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -168,8 +168,7 @@ struct amdgpu_ring_funcs { void (*begin_use)(struct amdgpu_ring *ring); void (*end_use)(struct amdgpu_ring *ring); void (*emit_switch_buffer) (struct amdgpu_ring *ring); - void (*emit_cntxcntl) (struct amdgpu_ring *ring, uint32_t flags, - bool trusted); + void (*emit_cntxcntl) (struct amdgpu_ring *ring, uint32_t flags); void (*emit_rreg)(struct amdgpu_ring *ring, uint32_t reg, uint32_t reg_val_offs); void (*emit_wreg)(struct amdgpu_ring *ring, uint32_t reg, uint32_t val); @@ -178,7 +177,7 @@ struct amdgpu_ring_funcs { void (*emit_reg_write_reg_wait)(struct amdgpu_ring *ring, uint32_t reg0, uint32_t reg1, uint32_t ref, uint32_t mask); - void (*emit_tmz)(struct amdgpu_ring *ring, bool start, bool trusted); + void (*emit_tmz)(struct amdgpu_ring *ring, bool start); /* Try to soft recover the ring to make the fence signal */ void (*soft_recovery)(struct amdgpu_ring *ring, unsigned vmid); int (*preempt_ib)(struct amdgpu_ring *ring); @@ -252,12 +251,12 @@ struct amdgpu_ring { #define amdgpu_ring_emit_gds_switch(r, v, db, ds, wb, ws, ab, as) (r)->funcs->emit_gds_switch((r), (v), (db), (ds), (wb), (ws), (ab), (as)) #define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r)) #define amdgpu_ring_emit_switch_buffer(r) (r)->funcs->emit_switch_buffer((r)) -#define amdgpu_ring_emit_cntxcntl(r, d, s) (r)->funcs->emit_cntxcntl((r), (d), (s)) +#define amdgpu_ring_emit_cntxcntl(r, d) (r)->funcs->emit_cntxcntl((r), (d)) #define amdgpu_ring_emit_rreg(r, d, o) (r)->funcs->emit_rreg((r), (d), (o)) #define amdgpu_ring_emit_wreg(r, d, v) (r)->funcs->emit_wreg((r), (d), (v)) #define amdgpu_ring_emit_reg_wait(r, d, v, m) (r)->funcs->emit_reg_wait((r), (d), (v), (m)) #define amdgpu_ring_emit_reg_write_reg_wait(r, d0, d1, v, m) (r)->funcs->emit_reg_write_reg_wait((r), (d0), (d1), (v), (m)) -#define amdgpu_ring_emit_tmz(r, b, s) (r)->funcs->emit_tmz((r), (b), (s)) +#define amdgpu_ring_emit_tmz(r, b) (r)->funcs->emit_tmz((r), (b)) #define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib))) #define amdgpu_ring_init_cond_exec(r) (r)->funcs->init_cond_exec((r)) #define amdgpu_ring_patch_cond_exec(r,o) (r)->funcs->patch_cond_exec((r),(o)) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 473c1c145332..404c6d470515 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -3037,8 +3037,7 @@ static int gfx_v10_0_rlc_backdoor_autoload_enable(struct amdgpu_device *adev); static int gfx_v10_0_wait_for_rlc_autoload_complete(struct amdgpu_device *adev); static void gfx_v10_0_ring_emit_ce_meta(struct amdgpu_ring *ring, bool resume); static void gfx_v10_0_ring_emit_de_meta(struct amdgpu_ring *ring, bool resume); -static void gfx_v10_0_ring_emit_tmz(struct amdgpu_ring *ring, bool start, - bool trusted); +static void gfx_v10_0_ring_emit_tmz(struct amdgpu_ring *ring, bool start); static void gfx10_kiq_set_resources(struct amdgpu_ring *kiq_ring, uint64_t queue_mask) { @@ -7436,8 +7435,7 @@ static void gfx_v10_0_ring_emit_sb(struct amdgpu_ring *ring) } static void gfx_v10_0_ring_emit_cntxcntl(struct amdgpu_ring *ring, - uint32_t flags, - bool trusted) + uint32_t flags) { uint32_t dw2 = 0; @@ -7445,8 +7443,6 @@ static void gfx_v10_0_ring_emit_cntxcntl(struct amdgpu_ring *ring, gfx_v10_0_ring_emit_ce_meta(ring, (!amdgpu_sriov_vf(ring->adev) && flags & AMDGPU_IB_PREEMPTED) ? true : false); - gfx_v10_0_ring_emit_tmz(ring, true, trusted); - dw2 |= 0x80000000; /* set load_enable otherwise this package is just NOPs */ if (flags & AMDGPU_HAVE_CTX_SWITCH) { /* set load_global_config & load_global_uconfig */ @@ -7603,17 +7599,12 @@ static void gfx_v10_0_ring_emit_de_meta(struct amdgpu_ring *ring, bool resume) sizeof(de_payload) >> 2); } -static void gfx_v10_0_ring_emit_tmz(struct amdgpu_ring *ring, bool start, - bool trusted) +static void gfx_v10_0_ring_emit_tmz(struct amdgpu_ring *ring, bool start) { - amdgpu_ring_write(ring, PACKET3(PACKET3_FRAME_CONTROL, 0)); - /* - * cmd = 0: frame begin - * cmd = 1: frame end - */ - amdgpu_ring_write(ring, - ((amdgpu_is_tmz(ring->adev) && trusted) ? FRAME_TMZ : 0) - | FRAME_CMD(start ? 0 : 1)); + if (amdgpu_is_tmz(ring->adev)) { + amdgpu_ring_write(ring, PACKET3(PACKET3_FRAME_CONTROL, 0)); + amdgpu_ring_write(ring, FRAME_TMZ | FRAME_CMD(start ? 0 : 1)); + } } static void gfx_v10_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg, diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c index 283b7fc10f98..aa1e1be852dd 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c @@ -2969,8 +2969,7 @@ static uint64_t gfx_v6_0_get_gpu_clock_counter(struct amdgpu_device *adev) return clock; } -static void gfx_v6_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags, - bool trusted) +static void gfx_v6_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags) { if (flags & AMDGPU_HAVE_CTX_SWITCH) gfx_v6_0_ring_emit_vgt_flush(ring); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index f26e91354ba8..e5a88cad44cb 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -2320,8 +2320,7 @@ static void gfx_v7_0_ring_emit_ib_compute(struct amdgpu_ring *ring, amdgpu_ring_write(ring, control); } -static void gfx_v7_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags, - bool trusted) +static void gfx_v7_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags) { uint32_t dw2 = 0; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index d1312d829252..2fcf6865abba 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -6329,8 +6329,7 @@ static void gfx_v8_ring_emit_sb(struct amdgpu_ring *ring) amdgpu_ring_write(ring, 0); } -static void gfx_v8_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags, - bool trusted) +static void gfx_v8_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags) { uint32_t dw2 = 0; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index bae5dd6ea348..4e042e974983 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -5442,29 +5442,21 @@ static void gfx_v9_0_ring_emit_de_meta(struct amdgpu_ring *ring) amdgpu_ring_write_multiple(ring, (void *)&de_payload, sizeof(de_payload) >> 2); } -static void gfx_v9_0_ring_emit_tmz(struct amdgpu_ring *ring, bool start, - bool trusted) +static void gfx_v9_0_ring_emit_tmz(struct amdgpu_ring *ring, bool start) { - amdgpu_ring_write(ring, PACKET3(PACKET3_FRAME_CONTROL, 0)); - /* - * cmd = 0: frame begin - * cmd = 1: frame end - */ - amdgpu_ring_write(ring, - ((amdgpu_is_tmz(ring->adev) && trusted) ? FRAME_TMZ : 0) - | FRAME_CMD(start ? 0 : 1)); + if (amdgpu_is_tmz(ring->adev)) { + amdgpu_ring_write(ring, PACKET3(PACKET3_FRAME_CONTROL, 0)); + amdgpu_ring_write(ring, FRAME_TMZ | FRAME_CMD(start ? 0 : 1)); + } } -static void gfx_v9_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags, - bool trusted) +static void gfx_v9_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags) { uint32_t dw2 = 0; if (amdgpu_sriov_vf(ring->adev)) gfx_v9_0_ring_emit_ce_meta(ring); - gfx_v9_0_ring_emit_tmz(ring, true, trusted); - dw2 |= 0x80000000; /* set load_enable otherwise this package is just NOPs */ if (flags & AMDGPU_HAVE_CTX_SWITCH) { /* set load_global_config & load_global_uconfig */ diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index bea72eb8c147..e01b673f0449 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -558,9 +558,6 @@ struct drm_amdgpu_cs_chunk { __u64 chunk_data; }; -/* Flag the command submission as secure */ -#define AMDGPU_CS_FLAGS_SECURE (1 << 0) - struct drm_amdgpu_cs_in { /** Rendering context id */ __u32 ctx_id; @@ -601,6 +598,10 @@ union drm_amdgpu_cs { */ #define AMDGPU_IB_FLAG_RESET_GDS_MAX_WAVE_ID (1 << 4) +/* Flag the IB as secure (TMZ) + */ +#define AMDGPU_IB_FLAGS_SECURE (1 << 5) + struct drm_amdgpu_cs_chunk_ib { __u32 _pad; /** AMDGPU_IB_FLAG_* */