From 6639fabb16852b2473c4c78c38a3b18689eb6ac3 Mon Sep 17 00:00:00 2001 From: Matt Roper Date: Mon, 28 Feb 2022 21:29:52 -0800 Subject: [PATCH] drm/i915/xehp: Drop aux table invalidation on FlatCCS platforms Platforms with FlatCCS do not use auxiliary planes for compression control data and thus do not need traditional aux table invalidation (and the registers no longer even exist). Original-author: CQ Tang Signed-off-by: Matt Roper Reviewed-by: Lucas De Marchi Link: https://patchwork.freedesktop.org/patch/msgid/20220301052952.1706597-1-matthew.d.roper@intel.com --- drivers/gpu/drm/i915/gt/gen8_engine_cs.c | 28 ++++++++++++++++-------- 1 file changed, 19 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index b1b9c3fd7bf9d..36148887c699f 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -236,7 +236,7 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) if (mode & EMIT_INVALIDATE) { u32 flags = 0; - u32 *cs; + u32 *cs, count; flags |= PIPE_CONTROL_COMMAND_CACHE_INVALIDATE; flags |= PIPE_CONTROL_TLB_INVALIDATE; @@ -254,7 +254,12 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) if (engine->class == COMPUTE_CLASS) flags &= ~PIPE_CONTROL_3D_FLAGS; - cs = intel_ring_begin(rq, 8 + 4); + if (!HAS_FLAT_CCS(rq->engine->i915)) + count = 8 + 4; + else + count = 8; + + cs = intel_ring_begin(rq, count); if (IS_ERR(cs)) return PTR_ERR(cs); @@ -267,8 +272,10 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) cs = gen8_emit_pipe_control(cs, flags, LRC_PPHWSP_SCRATCH_ADDR); - /* hsdes: 1809175790 */ - cs = gen12_emit_aux_table_inv(GEN12_GFX_CCS_AUX_NV, cs); + if (!HAS_FLAT_CCS(rq->engine->i915)) { + /* hsdes: 1809175790 */ + cs = gen12_emit_aux_table_inv(GEN12_GFX_CCS_AUX_NV, cs); + } *cs++ = preparser_disable(false); intel_ring_advance(rq, cs); @@ -283,12 +290,15 @@ int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode) u32 cmd, *cs; cmd = 4; - if (mode & EMIT_INVALIDATE) + if (mode & EMIT_INVALIDATE) { cmd += 2; - if (mode & EMIT_INVALIDATE) - aux_inv = rq->engine->mask & ~BIT(BCS0); - if (aux_inv) - cmd += 2 * hweight32(aux_inv) + 2; + + if (!HAS_FLAT_CCS(rq->engine->i915)) { + aux_inv = rq->engine->mask & ~BIT(BCS0); + if (aux_inv) + cmd += 2 * hweight32(aux_inv) + 2; + } + } cs = intel_ring_begin(rq, cmd); if (IS_ERR(cs)) -- 2.30.2