[Intel-gfx] [PATCH] drm/i915: use direct alias for i915 in requests

Tvrtko Ursulin tvrtko.ursulin at linux.intel.com
Thu Jul 20 10:07:58 UTC 2023


On 20/07/2023 10:46, Tvrtko Ursulin wrote:
> 
> On 19/07/2023 16:07, Andrzej Hajda wrote:
>> i915_request contains direct alias to i915, there is no point to go via
>> rq->engine->i915.
>>
>> Signed-off-by: Andrzej Hajda <andrzej.hajda at intel.com>
>> ---
>>   drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c |  4 ++--
>>   drivers/gpu/drm/i915/gt/gen2_engine_cs.c       |  2 +-
>>   drivers/gpu/drm/i915/gt/gen8_engine_cs.c       | 18 +++++++++---------
>>   .../drm/i915/gt/intel_execlists_submission.c   |  2 +-
>>   drivers/gpu/drm/i915/gt/intel_migrate.c        | 10 +++++-----
>>   .../gpu/drm/i915/gt/intel_ring_submission.c    |  2 +-
>>   drivers/gpu/drm/i915/gt/intel_workarounds.c    |  4 ++--
>>   drivers/gpu/drm/i915/gt/selftest_engine_cs.c   |  2 +-
>>   drivers/gpu/drm/i915/gt/selftest_mocs.c        |  2 +-
>>   drivers/gpu/drm/i915/gt/selftest_rc6.c         |  2 +-
>>   drivers/gpu/drm/i915/gt/selftest_timeline.c    |  4 ++--
>>   drivers/gpu/drm/i915/gvt/scheduler.c           |  2 +-
>>   drivers/gpu/drm/i915/i915_perf.c               |  2 +-
>>   drivers/gpu/drm/i915/i915_request.c            |  2 +-
>>   drivers/gpu/drm/i915/i915_trace.h              | 10 +++++-----
>>   drivers/gpu/drm/i915/selftests/i915_perf.c     |  2 +-
>>   drivers/gpu/drm/i915/selftests/igt_spinner.c   | 14 +++++++-------
>>   17 files changed, 42 insertions(+), 42 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c 
>> b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
>> index d3208a32561442..5a687a3686bd53 100644
>> --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
>> +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
>> @@ -2229,8 +2229,8 @@ static int i915_reset_gen7_sol_offsets(struct 
>> i915_request *rq)
>>       u32 *cs;
>>       int i;
>> -    if (GRAPHICS_VER(rq->engine->i915) != 7 || rq->engine->id != RCS0) {
>> -        drm_dbg(&rq->engine->i915->drm, "sol reset is gen7/rcs only\n");
>> +    if (GRAPHICS_VER(rq->i915) != 7 || rq->engine->id != RCS0) {
>> +        drm_dbg(&rq->i915->drm, "sol reset is gen7/rcs only\n");
>>           return -EINVAL;
>>       }
>> diff --git a/drivers/gpu/drm/i915/gt/gen2_engine_cs.c 
>> b/drivers/gpu/drm/i915/gt/gen2_engine_cs.c
>> index 1c82caf525c346..8fe0499308ffe5 100644
>> --- a/drivers/gpu/drm/i915/gt/gen2_engine_cs.c
>> +++ b/drivers/gpu/drm/i915/gt/gen2_engine_cs.c
>> @@ -76,7 +76,7 @@ int gen4_emit_flush_rcs(struct i915_request *rq, u32 
>> mode)
>>       cmd = MI_FLUSH;
>>       if (mode & EMIT_INVALIDATE) {
>>           cmd |= MI_EXE_FLUSH;
>> -        if (IS_G4X(rq->engine->i915) || 
>> GRAPHICS_VER(rq->engine->i915) == 5)
>> +        if (IS_G4X(rq->i915) || GRAPHICS_VER(rq->i915) == 5)
>>               cmd |= MI_INVALIDATE_ISP;
>>       }
>> diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c 
>> b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
>> index 23857cc08eca1f..3ba20ea030e8d1 100644
>> --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
>> +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
>> @@ -39,11 +39,11 @@ int gen8_emit_flush_rcs(struct i915_request *rq, 
>> u32 mode)
>>            * On GEN9: before VF_CACHE_INVALIDATE we need to emit a NULL
>>            * pipe control.
>>            */
>> -        if (GRAPHICS_VER(rq->engine->i915) == 9)
>> +        if (GRAPHICS_VER(rq->i915) == 9)
>>               vf_flush_wa = true;
>>           /* WaForGAMHang:kbl */
>> -        if (IS_KBL_GRAPHICS_STEP(rq->engine->i915, 0, STEP_C0))
>> +        if (IS_KBL_GRAPHICS_STEP(rq->i915, 0, STEP_C0))
>>               dc_flush_wa = true;
>>       }
>> @@ -180,8 +180,8 @@ u32 *gen12_emit_aux_table_inv(struct intel_gt *gt, 
>> u32 *cs, const i915_reg_t inv
>>   static int mtl_dummy_pipe_control(struct i915_request *rq)
>>   {
>>       /* Wa_14016712196 */
>> -    if (IS_MTL_GRAPHICS_STEP(rq->engine->i915, M, STEP_A0, STEP_B0) ||
>> -        IS_MTL_GRAPHICS_STEP(rq->engine->i915, P, STEP_A0, STEP_B0)) {
>> +    if (IS_MTL_GRAPHICS_STEP(rq->i915, M, STEP_A0, STEP_B0) ||
>> +        IS_MTL_GRAPHICS_STEP(rq->i915, P, STEP_A0, STEP_B0)) {
>>           u32 *cs;
>>           /* dummy PIPE_CONTROL + depth flush */
>> @@ -267,7 +267,7 @@ int gen12_emit_flush_rcs(struct i915_request *rq, 
>> u32 mode)
>>           else if (engine->class == COMPUTE_CLASS)
>>               flags &= ~PIPE_CONTROL_3D_ENGINE_FLAGS;
>> -        if (!HAS_FLAT_CCS(rq->engine->i915))
>> +        if (!HAS_FLAT_CCS(rq->i915))
>>               count = 8 + 4;
>>           else
>>               count = 8;
>> @@ -285,7 +285,7 @@ int gen12_emit_flush_rcs(struct i915_request *rq, 
>> u32 mode)
>>           cs = gen8_emit_pipe_control(cs, flags, 
>> LRC_PPHWSP_SCRATCH_ADDR);
>> -        if (!HAS_FLAT_CCS(rq->engine->i915)) {
>> +        if (!HAS_FLAT_CCS(rq->i915)) {
>>               /* hsdes: 1809175790 */
>>               cs = gen12_emit_aux_table_inv(rq->engine->gt,
>>                                 cs, GEN12_GFX_CCS_AUX_NV);
>> @@ -307,7 +307,7 @@ int gen12_emit_flush_xcs(struct i915_request *rq, 
>> u32 mode)
>>       if (mode & EMIT_INVALIDATE) {
>>           cmd += 2;
>> -        if (!HAS_FLAT_CCS(rq->engine->i915) &&
>> +        if (!HAS_FLAT_CCS(rq->i915) &&
>>               (rq->engine->class == VIDEO_DECODE_CLASS ||
>>                rq->engine->class == VIDEO_ENHANCEMENT_CLASS)) {
>>               aux_inv = rq->engine->mask &
>> @@ -754,7 +754,7 @@ u32 *gen12_emit_fini_breadcrumb_xcs(struct 
>> i915_request *rq, u32 *cs)
>>   u32 *gen12_emit_fini_breadcrumb_rcs(struct i915_request *rq, u32 *cs)
>>   {
>> -    struct drm_i915_private *i915 = rq->engine->i915;
>> +    struct drm_i915_private *i915 = rq->i915;
>>       u32 flags = (PIPE_CONTROL_CS_STALL |
>>                PIPE_CONTROL_TLB_INVALIDATE |
>>                PIPE_CONTROL_TILE_CACHE_FLUSH |
>> @@ -775,7 +775,7 @@ u32 *gen12_emit_fini_breadcrumb_rcs(struct 
>> i915_request *rq, u32 *cs)
>>           /* Wa_1409600907 */
>>           flags |= PIPE_CONTROL_DEPTH_STALL;
>> -    if (!HAS_3D_PIPELINE(rq->engine->i915))
>> +    if (!HAS_3D_PIPELINE(rq->i915))
>>           flags &= ~PIPE_CONTROL_3D_ARCH_FLAGS;
>>       else if (rq->engine->class == COMPUTE_CLASS)
>>           flags &= ~PIPE_CONTROL_3D_ENGINE_FLAGS;
>> diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c 
>> b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
>> index d85b5a6d981f99..8a641bcf777cb4 100644
>> --- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
>> +++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
>> @@ -2718,7 +2718,7 @@ static int emit_pdps(struct i915_request *rq)
>>       int err, i;
>>       u32 *cs;
>> -    GEM_BUG_ON(intel_vgpu_active(rq->engine->i915));
>> +    GEM_BUG_ON(intel_vgpu_active(rq->i915));
>>       /*
>>        * Beware ye of the dragons, this sequence is magic!
>> diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c 
>> b/drivers/gpu/drm/i915/gt/intel_migrate.c
>> index 6023288b0e2dd5..576e5ef0289ba5 100644
>> --- a/drivers/gpu/drm/i915/gt/intel_migrate.c
>> +++ b/drivers/gpu/drm/i915/gt/intel_migrate.c
>> @@ -366,7 +366,7 @@ static int emit_pte(struct i915_request *rq,
>>               u64 offset,
>>               int length)
>>   {
>> -    bool has_64K_pages = HAS_64K_PAGES(rq->engine->i915);
>> +    bool has_64K_pages = HAS_64K_PAGES(rq->i915);
>>       const u64 encode = rq->context->vm->pte_encode(0, pat_index,
>>                                  is_lmem ? PTE_LM : 0);
>>       struct intel_ring *ring = rq->ring;
>> @@ -375,7 +375,7 @@ static int emit_pte(struct i915_request *rq,
>>       u32 page_size;
>>       u32 *hdr, *cs;
>> -    GEM_BUG_ON(GRAPHICS_VER(rq->engine->i915) < 8);
>> +    GEM_BUG_ON(GRAPHICS_VER(rq->i915) < 8);
>>       page_size = I915_GTT_PAGE_SIZE;
>>       dword_length = 0x400;
>> @@ -531,7 +531,7 @@ static int emit_copy_ccs(struct i915_request *rq,
>>                u32 dst_offset, u8 dst_access,
>>                u32 src_offset, u8 src_access, int size)
>>   {
>> -    struct drm_i915_private *i915 = rq->engine->i915;
>> +    struct drm_i915_private *i915 = rq->i915;
>>       int mocs = rq->engine->gt->mocs.uc_index << 1;
>>       u32 num_ccs_blks;
>>       u32 *cs;
>> @@ -581,7 +581,7 @@ static int emit_copy_ccs(struct i915_request *rq,
>>   static int emit_copy(struct i915_request *rq,
>>                u32 dst_offset, u32 src_offset, int size)
>>   {
>> -    const int ver = GRAPHICS_VER(rq->engine->i915);
>> +    const int ver = GRAPHICS_VER(rq->i915);
>>       u32 instance = rq->engine->instance;
>>       u32 *cs;
>> @@ -917,7 +917,7 @@ intel_context_migrate_copy(struct intel_context *ce,
>>   static int emit_clear(struct i915_request *rq, u32 offset, int size,
>>                 u32 value, bool is_lmem)
>>   {
>> -    struct drm_i915_private *i915 = rq->engine->i915;
>> +    struct drm_i915_private *i915 = rq->i915;
>>       int mocs = rq->engine->gt->mocs.uc_index << 1;
>>       const int ver = GRAPHICS_VER(i915);
>>       int ring_sz;
>> diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c 
>> b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
>> index 3fd795c3263fd2..92085ffd23de0e 100644
>> --- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
>> +++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
>> @@ -805,7 +805,7 @@ static int mi_set_context(struct i915_request *rq,
>>   static int remap_l3_slice(struct i915_request *rq, int slice)
>>   {
>>   #define L3LOG_DW (GEN7_L3LOG_SIZE / sizeof(u32))
>> -    u32 *cs, *remap_info = 
>> rq->engine->i915->l3_parity.remap_info[slice];
>> +    u32 *cs, *remap_info = rq->i915->l3_parity.remap_info[slice];
>>       int i;
>>       if (!remap_info)
>> diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c 
>> b/drivers/gpu/drm/i915/gt/intel_workarounds.c
>> index b177c588698b08..589d009032fcd3 100644
>> --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
>> +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
>> @@ -3249,7 +3249,7 @@ wa_list_srm(struct i915_request *rq,
>>           const struct i915_wa_list *wal,
>>           struct i915_vma *vma)
>>   {
>> -    struct drm_i915_private *i915 = rq->engine->i915;
>> +    struct drm_i915_private *i915 = rq->i915;
>>       unsigned int i, count = 0;
>>       const struct i915_wa *wa;
>>       u32 srm, *cs;
>> @@ -3348,7 +3348,7 @@ static int engine_wa_list_verify(struct 
>> intel_context *ce,
>>       err = 0;
>>       for (i = 0, wa = wal->list; i < wal->count; i++, wa++) {
>> -        if (mcr_range(rq->engine->i915, i915_mmio_reg_offset(wa->reg)))
>> +        if (mcr_range(rq->i915, i915_mmio_reg_offset(wa->reg)))
>>               continue;
>>           if (!wa_verify(wal->gt, wa, results[i], wal->name, from))
>> diff --git a/drivers/gpu/drm/i915/gt/selftest_engine_cs.c 
>> b/drivers/gpu/drm/i915/gt/selftest_engine_cs.c
>> index 78cdfc6f315f2a..86cecf7a110540 100644
>> --- a/drivers/gpu/drm/i915/gt/selftest_engine_cs.c
>> +++ b/drivers/gpu/drm/i915/gt/selftest_engine_cs.c
>> @@ -62,7 +62,7 @@ static int write_timestamp(struct i915_request *rq, 
>> int slot)
>>           return PTR_ERR(cs);
>>       cmd = MI_STORE_REGISTER_MEM | MI_USE_GGTT;
>> -    if (GRAPHICS_VER(rq->engine->i915) >= 8)
>> +    if (GRAPHICS_VER(rq->i915) >= 8)
>>           cmd++;
>>       *cs++ = cmd;
>>       *cs++ = i915_mmio_reg_offset(timestamp_reg(rq->engine));
>> diff --git a/drivers/gpu/drm/i915/gt/selftest_mocs.c 
>> b/drivers/gpu/drm/i915/gt/selftest_mocs.c
>> index a8446ab825012f..d73e438fb85fab 100644
>> --- a/drivers/gpu/drm/i915/gt/selftest_mocs.c
>> +++ b/drivers/gpu/drm/i915/gt/selftest_mocs.c
>> @@ -137,7 +137,7 @@ static int read_mocs_table(struct i915_request *rq,
>>       if (!table)
>>           return 0;
>> -    if (HAS_GLOBAL_MOCS_REGISTERS(rq->engine->i915))
>> +    if (HAS_GLOBAL_MOCS_REGISTERS(rq->i915))
>>           addr = global_mocs_offset() + gt->uncore->gsi_offset;
>>       else
>>           addr = mocs_offset(rq->engine);
>> diff --git a/drivers/gpu/drm/i915/gt/selftest_rc6.c 
>> b/drivers/gpu/drm/i915/gt/selftest_rc6.c
>> index 2ceeadecc639cc..a7189c2d660cc5 100644
>> --- a/drivers/gpu/drm/i915/gt/selftest_rc6.c
>> +++ b/drivers/gpu/drm/i915/gt/selftest_rc6.c
>> @@ -140,7 +140,7 @@ static const u32 *__live_rc6_ctx(struct 
>> intel_context *ce)
>>       }
>>       cmd = MI_STORE_REGISTER_MEM | MI_USE_GGTT;
>> -    if (GRAPHICS_VER(rq->engine->i915) >= 8)
>> +    if (GRAPHICS_VER(rq->i915) >= 8)
>>           cmd++;
>>       *cs++ = cmd;
>> diff --git a/drivers/gpu/drm/i915/gt/selftest_timeline.c 
>> b/drivers/gpu/drm/i915/gt/selftest_timeline.c
>> index 39c3ec12df1abb..fa36cf920bdee9 100644
>> --- a/drivers/gpu/drm/i915/gt/selftest_timeline.c
>> +++ b/drivers/gpu/drm/i915/gt/selftest_timeline.c
>> @@ -459,12 +459,12 @@ static int emit_ggtt_store_dw(struct 
>> i915_request *rq, u32 addr, u32 value)
>>       if (IS_ERR(cs))
>>           return PTR_ERR(cs);
>> -    if (GRAPHICS_VER(rq->engine->i915) >= 8) {
>> +    if (GRAPHICS_VER(rq->i915) >= 8) {
>>           *cs++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT;
>>           *cs++ = addr;
>>           *cs++ = 0;
>>           *cs++ = value;
>> -    } else if (GRAPHICS_VER(rq->engine->i915) >= 4) {
>> +    } else if (GRAPHICS_VER(rq->i915) >= 4) {
>>           *cs++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT;
>>           *cs++ = 0;
>>           *cs++ = addr;
>> diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c 
>> b/drivers/gpu/drm/i915/gvt/scheduler.c
>> index f4055804aad1fe..a5c8005ec484c3 100644
>> --- a/drivers/gpu/drm/i915/gvt/scheduler.c
>> +++ b/drivers/gpu/drm/i915/gvt/scheduler.c
>> @@ -974,7 +974,7 @@ static void update_guest_context(struct 
>> intel_vgpu_workload *workload)
>>       context_page_num = rq->engine->context_size;
>>       context_page_num = context_page_num >> PAGE_SHIFT;
>> -    if (IS_BROADWELL(rq->engine->i915) && rq->engine->id == RCS0)
>> +    if (IS_BROADWELL(rq->i915) && rq->engine->id == RCS0)
>>           context_page_num = 19;
>>       context_base = (void *) ctx->lrc_reg_state -
>> diff --git a/drivers/gpu/drm/i915/i915_perf.c 
>> b/drivers/gpu/drm/i915/i915_perf.c
>> index 49c6f1ff11284f..04bc1f4a111504 100644
>> --- a/drivers/gpu/drm/i915/i915_perf.c
>> +++ b/drivers/gpu/drm/i915/i915_perf.c
>> @@ -1319,7 +1319,7 @@ __store_reg_to_mem(struct i915_request *rq, 
>> i915_reg_t reg, u32 ggtt_offset)
>>       u32 *cs, cmd;
>>       cmd = MI_STORE_REGISTER_MEM | MI_SRM_LRM_GLOBAL_GTT;
>> -    if (GRAPHICS_VER(rq->engine->i915) >= 8)
>> +    if (GRAPHICS_VER(rq->i915) >= 8)
>>           cmd++;
>>       cs = intel_ring_begin(rq, 4);
>> diff --git a/drivers/gpu/drm/i915/i915_request.c 
>> b/drivers/gpu/drm/i915/i915_request.c
>> index c5fe199b046d01..9d83f064456cd9 100644
>> --- a/drivers/gpu/drm/i915/i915_request.c
>> +++ b/drivers/gpu/drm/i915/i915_request.c
>> @@ -1341,7 +1341,7 @@ __i915_request_await_external(struct 
>> i915_request *rq, struct dma_fence *fence)
>>   {
>>       mark_external(rq);
>>       return i915_sw_fence_await_dma_fence(&rq->submit, fence,
>> -                         i915_fence_context_timeout(rq->engine->i915,
>> +                         i915_fence_context_timeout(rq->i915,
>>                                       fence->context),
>>                            I915_FENCE_GFP);
>>   }
>> diff --git a/drivers/gpu/drm/i915/i915_trace.h 
>> b/drivers/gpu/drm/i915/i915_trace.h
>> index f6f9228a135185..ce1cbee1b39dd0 100644
>> --- a/drivers/gpu/drm/i915/i915_trace.h
>> +++ b/drivers/gpu/drm/i915/i915_trace.h
>> @@ -277,7 +277,7 @@ TRACE_EVENT(i915_request_queue,
>>                    ),
>>           TP_fast_assign(
>> -               __entry->dev = rq->engine->i915->drm.primary->index;
>> +               __entry->dev = rq->i915->drm.primary->index;
>>                  __entry->class = rq->engine->uabi_class;
>>                  __entry->instance = rq->engine->uabi_instance;
>>                  __entry->ctx = rq->fence.context;
>> @@ -304,7 +304,7 @@ DECLARE_EVENT_CLASS(i915_request,
>>                    ),
>>           TP_fast_assign(
>> -               __entry->dev = rq->engine->i915->drm.primary->index;
>> +               __entry->dev = rq->i915->drm.primary->index;
>>                  __entry->class = rq->engine->uabi_class;
>>                  __entry->instance = rq->engine->uabi_instance;
>>                  __entry->ctx = rq->fence.context;
>> @@ -353,7 +353,7 @@ TRACE_EVENT(i915_request_in,
>>                   ),
>>           TP_fast_assign(
>> -               __entry->dev = rq->engine->i915->drm.primary->index;
>> +               __entry->dev = rq->i915->drm.primary->index;
>>                  __entry->class = rq->engine->uabi_class;
>>                  __entry->instance = rq->engine->uabi_instance;
>>                  __entry->ctx = rq->fence.context;
>> @@ -382,7 +382,7 @@ TRACE_EVENT(i915_request_out,
>>                   ),
>>           TP_fast_assign(
>> -               __entry->dev = rq->engine->i915->drm.primary->index;
>> +               __entry->dev = rq->i915->drm.primary->index;
>>                  __entry->class = rq->engine->uabi_class;
>>                  __entry->instance = rq->engine->uabi_instance;
>>                  __entry->ctx = rq->fence.context;
>> @@ -623,7 +623,7 @@ TRACE_EVENT(i915_request_wait_begin,
>>            * less desirable.
>>            */
>>           TP_fast_assign(
>> -               __entry->dev = rq->engine->i915->drm.primary->index;
>> +               __entry->dev = rq->i915->drm.primary->index;
>>                  __entry->class = rq->engine->uabi_class;
>>                  __entry->instance = rq->engine->uabi_instance;
>>                  __entry->ctx = rq->fence.context;
>> diff --git a/drivers/gpu/drm/i915/selftests/i915_perf.c 
>> b/drivers/gpu/drm/i915/selftests/i915_perf.c
>> index d4608b220123ce..403134a7acec30 100644
>> --- a/drivers/gpu/drm/i915/selftests/i915_perf.c
>> +++ b/drivers/gpu/drm/i915/selftests/i915_perf.c
>> @@ -168,7 +168,7 @@ static int write_timestamp(struct i915_request 
>> *rq, int slot)
>>           return PTR_ERR(cs);
>>       len = 5;
>> -    if (GRAPHICS_VER(rq->engine->i915) >= 8)
>> +    if (GRAPHICS_VER(rq->i915) >= 8)
>>           len++;
>>       *cs++ = GFX_OP_PIPE_CONTROL(len);
>> diff --git a/drivers/gpu/drm/i915/selftests/igt_spinner.c 
>> b/drivers/gpu/drm/i915/selftests/igt_spinner.c
>> index 618d9386d55494..3c5e0952f1b81b 100644
>> --- a/drivers/gpu/drm/i915/selftests/igt_spinner.c
>> +++ b/drivers/gpu/drm/i915/selftests/igt_spinner.c
>> @@ -159,15 +159,15 @@ igt_spinner_create_request(struct igt_spinner 
>> *spin,
>>       batch = spin->batch;
>> -    if (GRAPHICS_VER(rq->engine->i915) >= 8) {
>> +    if (GRAPHICS_VER(rq->i915) >= 8) {
>>           *batch++ = MI_STORE_DWORD_IMM_GEN4;
>>           *batch++ = lower_32_bits(hws_address(hws, rq));
>>           *batch++ = upper_32_bits(hws_address(hws, rq));
>> -    } else if (GRAPHICS_VER(rq->engine->i915) >= 6) {
>> +    } else if (GRAPHICS_VER(rq->i915) >= 6) {
>>           *batch++ = MI_STORE_DWORD_IMM_GEN4;
>>           *batch++ = 0;
>>           *batch++ = hws_address(hws, rq);
>> -    } else if (GRAPHICS_VER(rq->engine->i915) >= 4) {
>> +    } else if (GRAPHICS_VER(rq->i915) >= 4) {
>>           *batch++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT;
>>           *batch++ = 0;
>>           *batch++ = hws_address(hws, rq);
>> @@ -179,11 +179,11 @@ igt_spinner_create_request(struct igt_spinner 
>> *spin,
>>       *batch++ = arbitration_command;
>> -    if (GRAPHICS_VER(rq->engine->i915) >= 8)
>> +    if (GRAPHICS_VER(rq->i915) >= 8)
>>           *batch++ = MI_BATCH_BUFFER_START | BIT(8) | 1;
>> -    else if (IS_HASWELL(rq->engine->i915))
>> +    else if (IS_HASWELL(rq->i915))
>>           *batch++ = MI_BATCH_BUFFER_START | MI_BATCH_PPGTT_HSW;
>> -    else if (GRAPHICS_VER(rq->engine->i915) >= 6)
>> +    else if (GRAPHICS_VER(rq->i915) >= 6)
>>           *batch++ = MI_BATCH_BUFFER_START;
>>       else
>>           *batch++ = MI_BATCH_BUFFER_START | MI_BATCH_GTT;
>> @@ -201,7 +201,7 @@ igt_spinner_create_request(struct igt_spinner *spin,
>>       }
>>       flags = 0;
>> -    if (GRAPHICS_VER(rq->engine->i915) <= 5)
>> +    if (GRAPHICS_VER(rq->i915) <= 5)
>>           flags |= I915_DISPATCH_SECURE;
>>       err = engine->emit_bb_start(rq, i915_vma_offset(vma), PAGE_SIZE, 
>> flags);
> 
> Nice cleanup, thank you!
> 
> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> Apparently was possible ever since 7307e91bfcd0 ("drm/i915: Do not 
> access rq->engine without a reference") which is funnily related to the 
> other story we are discussing last few days.

CI disagrees with my r-b though - I think could be direct request 
creation in measure_breadcrumb_dw.

Regards,

Tvrtko


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