Flush according to what gen11 expects when writing breadcrumbs. As only the seqnowrite + flush differs between engine and gens, enclose the footer to helper.
v2: avoid problem of sane local naming by not using them Cc: Chris Wilson <ch...@chris-wilson.co.uk> Signed-off-by: Mika Kuoppala <mika.kuopp...@linux.intel.com> Reviewed-by: Chris Wilson <ch...@chris-wilson.co.uk> --- drivers/gpu/drm/i915/gt/intel_lrc.c | 67 ++++++++++++++++++++--------- 1 file changed, 47 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 9018afb4e9ef..a5d9b902d6e3 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -2740,12 +2740,10 @@ static u32 *emit_preempt_busywait(struct i915_request *request, u32 *cs) return cs; } -static u32 *gen8_emit_fini_breadcrumb(struct i915_request *request, u32 *cs) +static __always_inline u32* +gen8_emit_fini_breadcrumb_footer(struct i915_request *request, + u32 *cs) { - cs = gen8_emit_ggtt_write(cs, - request->fence.seqno, - request->timeline->hwsp_offset, - 0); *cs++ = MI_USER_INTERRUPT; *cs++ = MI_ARB_ON_OFF | MI_ARB_ENABLE; @@ -2758,29 +2756,48 @@ static u32 *gen8_emit_fini_breadcrumb(struct i915_request *request, u32 *cs) return gen8_emit_wa_tail(request, cs); } +static u32 *gen8_emit_fini_breadcrumb(struct i915_request *request, u32 *cs) +{ + cs = gen8_emit_ggtt_write(cs, + request->fence.seqno, + request->timeline->hwsp_offset, + 0); + + return gen8_emit_fini_breadcrumb_footer(request, cs); +} + static u32 *gen8_emit_fini_breadcrumb_rcs(struct i915_request *request, u32 *cs) { - /* XXX flush+write+CS_STALL all in one upsets gem_concurrent_blt:kbl */ cs = gen8_emit_ggtt_write_rcs(cs, request->fence.seqno, request->timeline->hwsp_offset, PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH | PIPE_CONTROL_DEPTH_CACHE_FLUSH | PIPE_CONTROL_DC_FLUSH_ENABLE); + + /* XXX flush+write+CS_STALL all in one upsets gem_concurrent_blt:kbl */ cs = gen8_emit_pipe_control(cs, PIPE_CONTROL_FLUSH_ENABLE | PIPE_CONTROL_CS_STALL, 0); - *cs++ = MI_USER_INTERRUPT; - *cs++ = MI_ARB_ON_OFF | MI_ARB_ENABLE; - if (intel_engine_has_semaphores(request->engine)) - cs = emit_preempt_busywait(request, cs); + return gen8_emit_fini_breadcrumb_footer(request, cs); +} - request->tail = intel_ring_offset(request, cs); - assert_ring_tail_valid(request->ring, request->tail); +static u32 *gen11_emit_fini_breadcrumb_rcs(struct i915_request *request, + u32 *cs) +{ + cs = gen8_emit_ggtt_write_rcs(cs, + request->fence.seqno, + request->timeline->hwsp_offset, + PIPE_CONTROL_CS_STALL | + PIPE_CONTROL_TILE_CACHE_FLUSH | + PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH | + PIPE_CONTROL_DEPTH_CACHE_FLUSH | + PIPE_CONTROL_DC_FLUSH_ENABLE | + PIPE_CONTROL_FLUSH_ENABLE); - return gen8_emit_wa_tail(request, cs); + return gen8_emit_fini_breadcrumb_footer(request, cs); } static void execlists_park(struct intel_engine_cs *engine) @@ -2876,6 +2893,21 @@ logical_ring_default_irqs(struct intel_engine_cs *engine) engine->irq_keep_mask = GT_CONTEXT_SWITCH_INTERRUPT << shift; } +static void rcs_submission_override(struct intel_engine_cs *engine) +{ + switch (INTEL_GEN(engine->i915)) { + case 12: + case 11: + engine->emit_flush = gen11_emit_flush_render; + engine->emit_fini_breadcrumb = gen11_emit_fini_breadcrumb_rcs; + break; + default: + engine->emit_flush = gen8_emit_flush_render; + engine->emit_fini_breadcrumb = gen8_emit_fini_breadcrumb_rcs; + break; + } +} + int intel_execlists_submission_setup(struct intel_engine_cs *engine) { tasklet_init(&engine->execlists.tasklet, @@ -2885,13 +2917,8 @@ int intel_execlists_submission_setup(struct intel_engine_cs *engine) logical_ring_default_vfuncs(engine); logical_ring_default_irqs(engine); - if (engine->class == RENDER_CLASS) { - if (INTEL_GEN(engine->i915) >= 11) - engine->emit_flush = gen11_emit_flush_render; - else - engine->emit_flush = gen8_emit_flush_render; - engine->emit_fini_breadcrumb = gen8_emit_fini_breadcrumb_rcs; - } + if (engine->class == RENDER_CLASS) + rcs_submission_override(engine); return 0; } -- 2.17.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx