diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 189 |
1 files changed, 119 insertions, 70 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 8be9c3371b7e..331084082545 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2067,9 +2067,18 @@ static unsigned int intel_surf_alignment(const struct drm_framebuffer *fb, } } +static bool intel_plane_uses_fence(const struct intel_plane_state *plane_state) +{ + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); + + return INTEL_GEN(dev_priv) < 4 || plane->has_fbc; +} + struct i915_vma * intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, unsigned int rotation, + bool uses_fence, unsigned long *out_flags) { struct drm_device *dev = fb->dev; @@ -2122,7 +2131,9 @@ intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, if (IS_ERR(vma)) goto err; - if (i915_vma_is_map_and_fenceable(vma)) { + if (uses_fence && i915_vma_is_map_and_fenceable(vma)) { + int ret; + /* Install a fence for tiled scan-out. Pre-i965 always needs a * fence, whereas 965+ only requires a fence if using * framebuffer compression. For simplicity, we always, when @@ -2139,7 +2150,14 @@ intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, * something and try to run the system in a "less than optimal" * mode that matches the user configuration. */ - if (i915_vma_pin_fence(vma) == 0 && vma->fence) + ret = i915_vma_pin_fence(vma); + if (ret != 0 && INTEL_GEN(dev_priv) < 4) { + i915_gem_object_unpin_from_display_plane(vma); + vma = ERR_PTR(ret); + goto err; + } + + if (ret == 0 && vma->fence) *out_flags |= PLANE_HAS_FENCE; } @@ -2828,6 +2846,7 @@ valid_fb: intel_state->vma = intel_pin_and_fence_fb_obj(fb, primary->state->rotation, + intel_plane_uses_fence(intel_state), &intel_state->flags); mutex_unlock(&dev->struct_mutex); if (IS_ERR(intel_state->vma)) { @@ -12034,6 +12053,14 @@ static int intel_atomic_check(struct drm_device *dev, int ret, i; bool any_ms = false; + /* Catch I915_MODE_FLAG_INHERITED */ + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, + crtc_state, i) { + if (crtc_state->mode.private_flags != + old_crtc_state->mode.private_flags) + crtc_state->mode_changed = true; + } + ret = drm_atomic_helper_check_modeset(dev, state); if (ret) return ret; @@ -12042,10 +12069,6 @@ static int intel_atomic_check(struct drm_device *dev, struct intel_crtc_state *pipe_config = to_intel_crtc_state(crtc_state); - /* Catch I915_MODE_FLAG_INHERITED */ - if (crtc_state->mode.private_flags != old_crtc_state->mode.private_flags) - crtc_state->mode_changed = true; - if (!needs_modeset(crtc_state)) continue; @@ -12054,13 +12077,6 @@ static int intel_atomic_check(struct drm_device *dev, continue; } - /* FIXME: For only active_changed we shouldn't need to do any - * state recomputation at all. */ - - ret = drm_atomic_add_affected_connectors(state, crtc); - if (ret) - return ret; - ret = intel_modeset_pipe_config(crtc, pipe_config); if (ret) { intel_dump_pipe_config(to_intel_crtc(crtc), @@ -12079,10 +12095,6 @@ static int intel_atomic_check(struct drm_device *dev, if (needs_modeset(crtc_state)) any_ms = true; - ret = drm_atomic_add_affected_planes(state, crtc); - if (ret) - return ret; - intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config, needs_modeset(crtc_state) ? "[modeset]" : "[fastset]"); @@ -12600,23 +12612,23 @@ struct wait_rps_boost { struct wait_queue_entry wait; struct drm_crtc *crtc; - struct drm_i915_gem_request *request; + struct i915_request *request; }; static int do_rps_boost(struct wait_queue_entry *_wait, unsigned mode, int sync, void *key) { struct wait_rps_boost *wait = container_of(_wait, typeof(*wait), wait); - struct drm_i915_gem_request *rq = wait->request; + struct i915_request *rq = wait->request; /* * If we missed the vblank, but the request is already running it * is reasonable to assume that it will complete before the next * vblank without our intervention, so leave RPS alone. */ - if (!i915_gem_request_started(rq)) + if (!i915_request_started(rq)) gen6_rps_boost(rq, NULL); - i915_gem_request_put(rq); + i915_request_put(rq); drm_crtc_vblank_put(wait->crtc); @@ -12654,6 +12666,42 @@ static void add_rps_boost_after_vblank(struct drm_crtc *crtc, add_wait_queue(drm_crtc_vblank_waitqueue(crtc), &wait->wait); } +static int intel_plane_pin_fb(struct intel_plane_state *plane_state) +{ + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); + struct drm_framebuffer *fb = plane_state->base.fb; + struct i915_vma *vma; + + if (plane->id == PLANE_CURSOR && + INTEL_INFO(dev_priv)->cursor_needs_physical) { + struct drm_i915_gem_object *obj = intel_fb_obj(fb); + const int align = intel_cursor_alignment(dev_priv); + + return i915_gem_object_attach_phys(obj, align); + } + + vma = intel_pin_and_fence_fb_obj(fb, + plane_state->base.rotation, + intel_plane_uses_fence(plane_state), + &plane_state->flags); + if (IS_ERR(vma)) + return PTR_ERR(vma); + + plane_state->vma = vma; + + return 0; +} + +static void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state) +{ + struct i915_vma *vma; + + vma = fetch_and_zero(&old_plane_state->vma); + if (vma) + intel_unpin_fb_vma(vma, old_plane_state->flags); +} + /** * intel_prepare_plane_fb - Prepare fb for usage on plane * @plane: drm plane to prepare for @@ -12728,22 +12776,7 @@ intel_prepare_plane_fb(struct drm_plane *plane, return ret; } - if (plane->type == DRM_PLANE_TYPE_CURSOR && - INTEL_INFO(dev_priv)->cursor_needs_physical) { - const int align = intel_cursor_alignment(dev_priv); - - ret = i915_gem_object_attach_phys(obj, align); - } else { - struct i915_vma *vma; - - vma = intel_pin_and_fence_fb_obj(fb, - new_state->rotation, - &to_intel_plane_state(new_state)->flags); - if (!IS_ERR(vma)) - to_intel_plane_state(new_state)->vma = vma; - else - ret = PTR_ERR(vma); - } + ret = intel_plane_pin_fb(to_intel_plane_state(new_state)); i915_gem_object_wait_priority(obj, 0, I915_PRIORITY_DISPLAY); @@ -12787,15 +12820,12 @@ void intel_cleanup_plane_fb(struct drm_plane *plane, struct drm_plane_state *old_state) { - struct i915_vma *vma; + struct drm_i915_private *dev_priv = to_i915(plane->dev); /* Should only be called after a successful intel_prepare_plane_fb()! */ - vma = fetch_and_zero(&to_intel_plane_state(old_state)->vma); - if (vma) { - mutex_lock(&plane->dev->struct_mutex); - intel_unpin_fb_vma(vma, to_intel_plane_state(old_state)->flags); - mutex_unlock(&plane->dev->struct_mutex); - } + mutex_lock(&dev_priv->drm.struct_mutex); + intel_plane_unpin_fb(to_intel_plane_state(old_state)); + mutex_unlock(&dev_priv->drm.struct_mutex); } int @@ -13080,7 +13110,6 @@ intel_legacy_cursor_update(struct drm_plane *plane, struct intel_plane *intel_plane = to_intel_plane(plane); struct drm_framebuffer *old_fb; struct drm_crtc_state *crtc_state = crtc->state; - struct i915_vma *old_vma, *vma; /* * When crtc is inactive or there is a modeset pending, @@ -13139,27 +13168,9 @@ intel_legacy_cursor_update(struct drm_plane *plane, if (ret) goto out_free; - if (INTEL_INFO(dev_priv)->cursor_needs_physical) { - int align = intel_cursor_alignment(dev_priv); - - ret = i915_gem_object_attach_phys(intel_fb_obj(fb), align); - if (ret) { - DRM_DEBUG_KMS("failed to attach phys object\n"); - goto out_unlock; - } - } else { - vma = intel_pin_and_fence_fb_obj(fb, - new_plane_state->rotation, - &to_intel_plane_state(new_plane_state)->flags); - if (IS_ERR(vma)) { - DRM_DEBUG_KMS("failed to pin object\n"); - - ret = PTR_ERR(vma); - goto out_unlock; - } - - to_intel_plane_state(new_plane_state)->vma = vma; - } + ret = intel_plane_pin_fb(to_intel_plane_state(new_plane_state)); + if (ret) + goto out_unlock; old_fb = old_plane_state->fb; @@ -13179,10 +13190,7 @@ intel_legacy_cursor_update(struct drm_plane *plane, intel_plane->disable_plane(intel_plane, to_intel_crtc(crtc)); } - old_vma = fetch_and_zero(&to_intel_plane_state(old_plane_state)->vma); - if (old_vma) - intel_unpin_fb_vma(old_vma, - to_intel_plane_state(old_plane_state)->flags); + intel_plane_unpin_fb(to_intel_plane_state(old_plane_state)); out_unlock: mutex_unlock(&dev_priv->drm.struct_mutex); @@ -13210,6 +13218,32 @@ static const struct drm_plane_funcs intel_cursor_plane_funcs = { .format_mod_supported = intel_cursor_plane_format_mod_supported, }; +static bool i9xx_plane_has_fbc(struct drm_i915_private *dev_priv, + enum i9xx_plane_id i9xx_plane) +{ + if (!HAS_FBC(dev_priv)) + return false; + + if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) + return i9xx_plane == PLANE_A; /* tied to pipe A */ + else if (IS_IVYBRIDGE(dev_priv)) + return i9xx_plane == PLANE_A || i9xx_plane == PLANE_B || + i9xx_plane == PLANE_C; + else if (INTEL_GEN(dev_priv) >= 4) + return i9xx_plane == PLANE_A || i9xx_plane == PLANE_B; + else + return i9xx_plane == PLANE_A; +} + +static bool skl_plane_has_fbc(struct drm_i915_private *dev_priv, + enum pipe pipe, enum plane_id plane_id) +{ + if (!HAS_FBC(dev_priv)) + return false; + + return pipe == PIPE_A && plane_id == PLANE_PRIMARY; +} + static struct intel_plane * intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) { @@ -13252,6 +13286,21 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) primary->i9xx_plane = (enum i9xx_plane_id) pipe; primary->id = PLANE_PRIMARY; primary->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, primary->id); + + if (INTEL_GEN(dev_priv) >= 9) + primary->has_fbc = skl_plane_has_fbc(dev_priv, + primary->pipe, + primary->id); + else + primary->has_fbc = i9xx_plane_has_fbc(dev_priv, + primary->i9xx_plane); + + if (primary->has_fbc) { + struct intel_fbc *fbc = &dev_priv->fbc; + + fbc->possible_framebuffer_bits |= primary->frontbuffer_bit; + } + primary->check_plane = intel_check_primary_plane; if (INTEL_GEN(dev_priv) >= 9) { |