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author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-05-06 14:40:21 (GMT) |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-05-09 12:41:24 (GMT) |
commit | c033666a94b576185c4b5055f20536e13fada960 (patch) | |
tree | a2eaf7e0213ba98773dc8fac3aec04ace04355c9 /drivers/gpu/drm/i915/i915_gem_context.c | |
parent | e1382efb6051f43c317856ef97ec0976a29577b3 (diff) | |
download | linux-c033666a94b576185c4b5055f20536e13fada960.tar.xz |
drm/i915: Store a i915 backpointer from engine, and use it
text data bss dec hex filename
6309351 3578714 696320 10584385 a18141 vmlinux
6308391 3578714 696320 10583425 a17d81 vmlinux
Almost 1KiB of code reduction.
v2: More s/INTEL_INFO()->gen/INTEL_GEN()/ and IS_GENx() conversions
text data bss dec hex filename
6304579 3578778 696320 10579677 a16edd vmlinux
6303427 3578778 696320 10578525 a16a5d vmlinux
Now over 1KiB!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462545621-30125-3-git-send-email-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_context.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.c | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index b1b704c..0fffebc 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -99,28 +99,27 @@ #define GEN6_CONTEXT_ALIGN (64<<10) #define GEN7_CONTEXT_ALIGN 4096 -static size_t get_context_alignment(struct drm_device *dev) +static size_t get_context_alignment(struct drm_i915_private *dev_priv) { - if (IS_GEN6(dev)) + if (IS_GEN6(dev_priv)) return GEN6_CONTEXT_ALIGN; return GEN7_CONTEXT_ALIGN; } -static int get_context_size(struct drm_device *dev) +static int get_context_size(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; int ret; u32 reg; - switch (INTEL_INFO(dev)->gen) { + switch (INTEL_GEN(dev_priv)) { case 6: reg = I915_READ(CXT_SIZE); ret = GEN6_CXT_TOTAL_SIZE(reg) * 64; break; case 7: reg = I915_READ(GEN7_CXT_SIZE); - if (IS_HASWELL(dev)) + if (IS_HASWELL(dev_priv)) ret = HSW_CXT_TOTAL_SIZE; else ret = GEN7_CXT_TOTAL_SIZE(reg) * 64; @@ -224,7 +223,7 @@ static int assign_hw_id(struct drm_i915_private *dev_priv, unsigned *out) * Flush any pending retires to hopefully release some * stale contexts and try again. */ - i915_gem_retire_requests(dev_priv->dev); + i915_gem_retire_requests(dev_priv); ret = ida_simple_get(&dev_priv->context_hw_ida, 0, MAX_CONTEXT_HW_ID, GFP_KERNEL); if (ret < 0) @@ -320,7 +319,7 @@ i915_gem_create_context(struct drm_device *dev, * context. */ ret = i915_gem_obj_ggtt_pin(ctx->legacy_hw_ctx.rcs_state, - get_context_alignment(dev), 0); + get_context_alignment(to_i915(dev)), 0); if (ret) { DRM_DEBUG_DRIVER("Couldn't pin %d\n", ret); goto err_destroy; @@ -389,7 +388,8 @@ int i915_gem_context_init(struct drm_device *dev) if (WARN_ON(dev_priv->kernel_context)) return 0; - if (intel_vgpu_active(dev) && HAS_LOGICAL_RING_CONTEXTS(dev)) { + if (intel_vgpu_active(dev_priv) && + HAS_LOGICAL_RING_CONTEXTS(dev_priv)) { if (!i915.enable_execlists) { DRM_INFO("Only EXECLIST mode is supported in vgpu.\n"); return -EINVAL; @@ -404,8 +404,9 @@ int i915_gem_context_init(struct drm_device *dev) /* NB: intentionally left blank. We will allocate our own * backing objects as we need them, thank you very much */ dev_priv->hw_context_size = 0; - } else if (HAS_HW_CONTEXTS(dev)) { - dev_priv->hw_context_size = round_up(get_context_size(dev), 4096); + } else if (HAS_HW_CONTEXTS(dev_priv)) { + dev_priv->hw_context_size = + round_up(get_context_size(dev_priv), 4096); if (dev_priv->hw_context_size > (1<<20)) { DRM_DEBUG_DRIVER("Disabling HW Contexts; invalid size %d\n", dev_priv->hw_context_size); @@ -509,12 +510,13 @@ i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id) static inline int mi_set_context(struct drm_i915_gem_request *req, u32 hw_flags) { + struct drm_i915_private *dev_priv = req->i915; struct intel_engine_cs *engine = req->engine; u32 flags = hw_flags | MI_MM_SPACE_GTT; const int num_rings = /* Use an extended w/a on ivb+ if signalling from other rings */ - i915_semaphore_is_enabled(engine->dev) ? - hweight32(INTEL_INFO(engine->dev)->ring_mask) - 1 : + i915_semaphore_is_enabled(dev_priv) ? + hweight32(INTEL_INFO(dev_priv)->ring_mask) - 1 : 0; int len, ret; @@ -523,21 +525,21 @@ mi_set_context(struct drm_i915_gem_request *req, u32 hw_flags) * explicitly, so we rely on the value at ring init, stored in * itlb_before_ctx_switch. */ - if (IS_GEN6(engine->dev)) { + if (IS_GEN6(dev_priv)) { ret = engine->flush(req, I915_GEM_GPU_DOMAINS, 0); if (ret) return ret; } /* These flags are for resource streamer on HSW+ */ - if (IS_HASWELL(engine->dev) || INTEL_INFO(engine->dev)->gen >= 8) + if (IS_HASWELL(dev_priv) || INTEL_GEN(dev_priv) >= 8) flags |= (HSW_MI_RS_SAVE_STATE_EN | HSW_MI_RS_RESTORE_STATE_EN); - else if (INTEL_INFO(engine->dev)->gen < 8) + else if (INTEL_GEN(dev_priv) < 8) flags |= (MI_SAVE_EXT_STATE_EN | MI_RESTORE_EXT_STATE_EN); len = 4; - if (INTEL_INFO(engine->dev)->gen >= 7) + if (INTEL_GEN(dev_priv) >= 7) len += 2 + (num_rings ? 4*num_rings + 6 : 0); ret = intel_ring_begin(req, len); @@ -545,14 +547,14 @@ mi_set_context(struct drm_i915_gem_request *req, u32 hw_flags) return ret; /* WaProgramMiArbOnOffAroundMiSetContext:ivb,vlv,hsw,bdw,chv */ - if (INTEL_INFO(engine->dev)->gen >= 7) { + if (INTEL_GEN(dev_priv) >= 7) { intel_ring_emit(engine, MI_ARB_ON_OFF | MI_ARB_DISABLE); if (num_rings) { struct intel_engine_cs *signaller; intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(num_rings)); - for_each_engine(signaller, to_i915(engine->dev)) { + for_each_engine(signaller, dev_priv) { if (signaller == engine) continue; @@ -575,14 +577,14 @@ mi_set_context(struct drm_i915_gem_request *req, u32 hw_flags) */ intel_ring_emit(engine, MI_NOOP); - if (INTEL_INFO(engine->dev)->gen >= 7) { + if (INTEL_GEN(dev_priv) >= 7) { if (num_rings) { struct intel_engine_cs *signaller; i915_reg_t last_reg = {}; /* keep gcc quiet */ intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(num_rings)); - for_each_engine(signaller, to_i915(engine->dev)) { + for_each_engine(signaller, dev_priv) { if (signaller == engine) continue; @@ -673,7 +675,7 @@ needs_pd_load_pre(struct i915_hw_ppgtt *ppgtt, if (engine->id != RCS) return true; - if (INTEL_INFO(engine->dev)->gen < 8) + if (INTEL_GEN(engine->i915) < 8) return true; return false; @@ -710,7 +712,7 @@ static int do_rcs_switch(struct drm_i915_gem_request *req) /* Trying to pin first makes error handling easier. */ ret = i915_gem_obj_ggtt_pin(to->legacy_hw_ctx.rcs_state, - get_context_alignment(engine->dev), + get_context_alignment(engine->i915), 0); if (ret) return ret; |