diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/drm_dp_mst_topology.c | 24 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 43 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 9 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 20 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.h | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_link_training.c | 25 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_link_training.h | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_mst.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_overlay.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_sprite.c | 65 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_domain.c | 45 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_object.h | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_breadcrumbs.c | 47 |
13 files changed, 117 insertions, 176 deletions
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 0401b2f47500..8781deefeae3 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -3629,14 +3629,26 @@ static int drm_dp_send_up_ack_reply(struct drm_dp_mst_topology_mgr *mgr, return 0; } -static int drm_dp_get_vc_payload_bw(u8 dp_link_bw, u8 dp_link_count) +/** + * drm_dp_get_vc_payload_bw - get the VC payload BW for an MST link + * @link_rate: link rate in 10kbits/s units + * @link_lane_count: lane count + * + * Calculate the total bandwidth of a MultiStream Transport link. The returned + * value is in units of PBNs/(timeslots/1 MTP). This value can be used to + * convert the number of PBNs required for a given stream to the number of + * timeslots this stream requires in each MTP. + */ +int drm_dp_get_vc_payload_bw(int link_rate, int link_lane_count) { - if (dp_link_bw == 0 || dp_link_count == 0) - DRM_DEBUG_KMS("invalid link bandwidth in DPCD: %x (link count: %d)\n", - dp_link_bw, dp_link_count); + if (link_rate == 0 || link_lane_count == 0) + DRM_DEBUG_KMS("invalid link rate/lane count: (%d / %d)\n", + link_rate, link_lane_count); - return dp_link_bw * dp_link_count / 2; + /* See DP v2.0 2.6.4.2, VCPayload_Bandwidth_for_OneTimeSlotPer_MTP_Allocation */ + return link_rate * link_lane_count / 54000; } +EXPORT_SYMBOL(drm_dp_get_vc_payload_bw); /** * drm_dp_read_mst_cap() - check whether or not a sink supports MST @@ -3692,7 +3704,7 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms goto out_unlock; } - mgr->pbn_div = drm_dp_get_vc_payload_bw(mgr->dpcd[1], + mgr->pbn_div = drm_dp_get_vc_payload_bw(drm_dp_bw_code_to_link_rate(mgr->dpcd[1]), mgr->dpcd[2] & DP_MAX_LANE_COUNT_MASK); if (mgr->pbn_div == 0) { ret = -EINVAL; diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index bf17365857ca..dc13d1814d95 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -2754,6 +2754,9 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, int n_entries, ln; u32 val; + if (enc_to_dig_port(encoder)->tc_mode == TC_PORT_TBT_ALT) + return; + ddi_translations = icl_get_mg_buf_trans(encoder, crtc_state, &n_entries); if (level >= n_entries) { drm_dbg_kms(&dev_priv->drm, @@ -2890,6 +2893,9 @@ tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder, u32 val, dpcnt_mask, dpcnt_val; int n_entries, ln; + if (enc_to_dig_port(encoder)->tc_mode == TC_PORT_TBT_ALT) + return; + ddi_translations = tgl_get_dkl_buf_trans(encoder, crtc_state, &n_entries); if (level >= n_entries) @@ -3531,6 +3537,23 @@ static void intel_ddi_disable_fec_state(struct intel_encoder *encoder, intel_de_posting_read(dev_priv, dp_tp_ctl_reg(encoder, crtc_state)); } +static void intel_ddi_power_up_lanes(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + if (intel_phy_is_combo(i915, phy)) { + bool lane_reversal = + dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; + + intel_combo_phy_power_up_lanes(i915, phy, false, + crtc_state->lane_count, + lane_reversal); + } +} + static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, @@ -3620,14 +3643,7 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, * 7.f Combo PHY: Configure PORT_CL_DW10 Static Power Down to power up * the used lanes of the DDI. */ - if (intel_phy_is_combo(dev_priv, phy)) { - bool lane_reversal = - dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; - - intel_combo_phy_power_up_lanes(dev_priv, phy, false, - crtc_state->lane_count, - lane_reversal); - } + intel_ddi_power_up_lanes(encoder, crtc_state); /* * 7.g Configure and enable DDI_BUF_CTL @@ -3712,14 +3728,7 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state, else intel_prepare_dp_ddi_buffers(encoder, crtc_state); - if (intel_phy_is_combo(dev_priv, phy)) { - bool lane_reversal = - dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; - - intel_combo_phy_power_up_lanes(dev_priv, phy, false, - crtc_state->lane_count, - lane_reversal); - } + intel_ddi_power_up_lanes(encoder, crtc_state); intel_ddi_init_dp_buf_reg(encoder, crtc_state); if (!is_mst) @@ -4205,6 +4214,8 @@ static void intel_enable_ddi_hdmi(struct intel_atomic_state *state, intel_de_write(dev_priv, reg, val); } + intel_ddi_power_up_lanes(encoder, crtc_state); + /* In HDMI/DVI mode, the port width, and swing/emphasis values * are ignored so nothing special needs to be done besides * enabling the port. diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 53a00cf3fa32..61be6bed9162 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -2309,7 +2309,7 @@ intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, */ ret = i915_vma_pin_fence(vma); if (ret != 0 && INTEL_GEN(dev_priv) < 4) { - i915_gem_object_unpin_from_display_plane(vma); + i915_vma_unpin(vma); vma = ERR_PTR(ret); goto err; } @@ -2327,12 +2327,9 @@ err: void intel_unpin_fb_vma(struct i915_vma *vma, unsigned long flags) { - i915_gem_object_lock(vma->obj, NULL); if (flags & PLANE_HAS_FENCE) i915_vma_unpin_fence(vma); - i915_gem_object_unpin_from_display_plane(vma); - i915_gem_object_unlock(vma->obj); - + i915_vma_unpin(vma); i915_vma_put(vma); } @@ -4807,6 +4804,8 @@ u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state, plane_color_ctl |= PLANE_COLOR_YUV_RANGE_CORRECTION_DISABLE; } else if (fb->format->is_yuv) { plane_color_ctl |= PLANE_COLOR_INPUT_CSC_ENABLE; + if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE) + plane_color_ctl |= PLANE_COLOR_YUV_RANGE_CORRECTION_DISABLE; } return plane_color_ctl; diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 09123e8625c4..8a26307c4896 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -4637,24 +4637,6 @@ ivb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp, intel_de_posting_read(dev_priv, intel_dp->output_reg); } -void intel_dp_set_signal_levels(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u8 train_set = intel_dp->train_set[0]; - - drm_dbg_kms(&dev_priv->drm, "Using vswing level %d%s\n", - train_set & DP_TRAIN_VOLTAGE_SWING_MASK, - train_set & DP_TRAIN_MAX_SWING_REACHED ? " (max)" : ""); - drm_dbg_kms(&dev_priv->drm, "Using pre-emphasis level %d%s\n", - (train_set & DP_TRAIN_PRE_EMPHASIS_MASK) >> - DP_TRAIN_PRE_EMPHASIS_SHIFT, - train_set & DP_TRAIN_MAX_PRE_EMPHASIS_REACHED ? - " (max)" : ""); - - intel_dp->set_signal_levels(intel_dp, crtc_state); -} - void intel_dp_program_link_training_pattern(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, @@ -5703,7 +5685,7 @@ static void intel_dp_process_phy_request(struct intel_dp *intel_dp, intel_dp_autotest_phy_ddi_disable(intel_dp, crtc_state); - intel_dp_set_signal_levels(intel_dp, crtc_state); + intel_dp_set_signal_levels(intel_dp, crtc_state, DP_PHY_DPRX); intel_dp_phy_pattern_update(intel_dp, crtc_state); diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index 05f7ddf7a795..6620f9efdcbb 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -96,9 +96,6 @@ void intel_dp_program_link_training_pattern(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, u8 dp_train_pat); -void -intel_dp_set_signal_levels(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state); void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock, u8 *link_bw, u8 *rate_select); bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp); diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c index 91d3979902d0..d8c6d7054d11 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c @@ -334,6 +334,27 @@ intel_dp_set_link_train(struct intel_dp *intel_dp, return drm_dp_dpcd_write(&intel_dp->aux, reg, buf, len) == len; } +void intel_dp_set_signal_levels(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + enum drm_dp_phy dp_phy) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + u8 train_set = intel_dp->train_set[0]; + char phy_name[10]; + + drm_dbg_kms(&dev_priv->drm, "Using vswing level %d%s, pre-emphasis level %d%s, at %s\n", + train_set & DP_TRAIN_VOLTAGE_SWING_MASK, + train_set & DP_TRAIN_MAX_SWING_REACHED ? " (max)" : "", + (train_set & DP_TRAIN_PRE_EMPHASIS_MASK) >> + DP_TRAIN_PRE_EMPHASIS_SHIFT, + train_set & DP_TRAIN_MAX_PRE_EMPHASIS_REACHED ? + " (max)" : "", + intel_dp_phy_name(dp_phy, phy_name, sizeof(phy_name))); + + if (intel_dp_phy_is_downstream_of_source(intel_dp, dp_phy)) + intel_dp->set_signal_levels(intel_dp, crtc_state); +} + static bool intel_dp_reset_link_train(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, @@ -341,7 +362,7 @@ intel_dp_reset_link_train(struct intel_dp *intel_dp, u8 dp_train_pat) { memset(intel_dp->train_set, 0, sizeof(intel_dp->train_set)); - intel_dp_set_signal_levels(intel_dp, crtc_state); + intel_dp_set_signal_levels(intel_dp, crtc_state, dp_phy); return intel_dp_set_link_train(intel_dp, crtc_state, dp_phy, dp_train_pat); } @@ -355,7 +376,7 @@ intel_dp_update_link_train(struct intel_dp *intel_dp, DP_TRAINING_LANE0_SET_PHY_REPEATER(dp_phy); int ret; - intel_dp_set_signal_levels(intel_dp, crtc_state); + intel_dp_set_signal_levels(intel_dp, crtc_state, dp_phy); ret = drm_dp_dpcd_write(&intel_dp->aux, reg, intel_dp->train_set, crtc_state->lane_count); diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.h b/drivers/gpu/drm/i915/display/intel_dp_link_training.h index 86905aa24db7..6a1f76bd8c75 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.h +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.h @@ -17,6 +17,9 @@ void intel_dp_get_adjust_train(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, enum drm_dp_phy dp_phy, const u8 link_status[DP_LINK_STATUS_SIZE]); +void intel_dp_set_signal_levels(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + enum drm_dp_phy dp_phy); void intel_dp_start_link_train(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state); void intel_dp_stop_link_train(struct intel_dp *intel_dp, diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 27f04aed8764..3286b232be0b 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -69,7 +69,9 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder, slots = drm_dp_atomic_find_vcpi_slots(state, &intel_dp->mst_mgr, connector->port, - crtc_state->pbn, 0); + crtc_state->pbn, + drm_dp_get_vc_payload_bw(crtc_state->port_clock, + crtc_state->lane_count)); if (slots == -EDEADLK) return slots; if (slots >= 0) diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c index 52b4f6193b4c..0095c8cac9b4 100644 --- a/drivers/gpu/drm/i915/display/intel_overlay.c +++ b/drivers/gpu/drm/i915/display/intel_overlay.c @@ -359,7 +359,7 @@ static void intel_overlay_release_old_vma(struct intel_overlay *overlay) intel_frontbuffer_flip_complete(overlay->i915, INTEL_FRONTBUFFER_OVERLAY(overlay->crtc->pipe)); - i915_gem_object_unpin_from_display_plane(vma); + i915_vma_unpin(vma); i915_vma_put(vma); } @@ -860,7 +860,7 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay, return 0; out_unpin: - i915_gem_object_unpin_from_display_plane(vma); + i915_vma_unpin(vma); out_pin_section: atomic_dec(&dev_priv->gpu_error.pending_fb_pin); diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c index 019a2d6d807a..3da2544fa1c0 100644 --- a/drivers/gpu/drm/i915/display/intel_sprite.c +++ b/drivers/gpu/drm/i915/display/intel_sprite.c @@ -618,13 +618,19 @@ skl_program_scaler(struct intel_plane *plane, /* Preoffset values for YUV to RGB Conversion */ #define PREOFF_YUV_TO_RGB_HI 0x1800 -#define PREOFF_YUV_TO_RGB_ME 0x1F00 +#define PREOFF_YUV_TO_RGB_ME 0x0000 #define PREOFF_YUV_TO_RGB_LO 0x1800 #define ROFF(x) (((x) & 0xffff) << 16) #define GOFF(x) (((x) & 0xffff) << 0) #define BOFF(x) (((x) & 0xffff) << 16) +/* + * Programs the input color space conversion stage for ICL HDR planes. + * Note that it is assumed that this stage always happens after YUV + * range correction. Thus, the input to this stage is assumed to be + * in full-range YCbCr. + */ static void icl_program_input_csc(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, @@ -672,52 +678,7 @@ icl_program_input_csc(struct intel_plane *plane, 0x0, 0x7800, 0x7F10, }, }; - - /* Matrix for Limited Range to Full Range Conversion */ - static const u16 input_csc_matrix_lr[][9] = { - /* - * BT.601 Limted range YCbCr -> full range RGB - * The matrix required is : - * [1.164384, 0.000, 1.596027, - * 1.164384, -0.39175, -0.812813, - * 1.164384, 2.017232, 0.0000] - */ - [DRM_COLOR_YCBCR_BT601] = { - 0x7CC8, 0x7950, 0x0, - 0x8D00, 0x7950, 0x9C88, - 0x0, 0x7950, 0x6810, - }, - /* - * BT.709 Limited range YCbCr -> full range RGB - * The matrix required is : - * [1.164384, 0.000, 1.792741, - * 1.164384, -0.213249, -0.532909, - * 1.164384, 2.112402, 0.0000] - */ - [DRM_COLOR_YCBCR_BT709] = { - 0x7E58, 0x7950, 0x0, - 0x8888, 0x7950, 0xADA8, - 0x0, 0x7950, 0x6870, - }, - /* - * BT.2020 Limited range YCbCr -> full range RGB - * The matrix required is : - * [1.164, 0.000, 1.678, - * 1.164, -0.1873, -0.6504, - * 1.164, 2.1417, 0.0000] - */ - [DRM_COLOR_YCBCR_BT2020] = { - 0x7D70, 0x7950, 0x0, - 0x8A68, 0x7950, 0xAC00, - 0x0, 0x7950, 0x6890, - }, - }; - const u16 *csc; - - if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE) - csc = input_csc_matrix[plane_state->hw.color_encoding]; - else - csc = input_csc_matrix_lr[plane_state->hw.color_encoding]; + const u16 *csc = input_csc_matrix[plane_state->hw.color_encoding]; intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 0), ROFF(csc[0]) | GOFF(csc[1])); @@ -734,14 +695,8 @@ icl_program_input_csc(struct intel_plane *plane, intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 0), PREOFF_YUV_TO_RGB_HI); - if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE) - intel_de_write_fw(dev_priv, - PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1), - 0); - else - intel_de_write_fw(dev_priv, - PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1), - PREOFF_YUV_TO_RGB_ME); + intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1), + PREOFF_YUV_TO_RGB_ME); intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 2), PREOFF_YUV_TO_RGB_LO); intel_de_write_fw(dev_priv, diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c b/drivers/gpu/drm/i915/gem/i915_gem_domain.c index fcce6909f201..3d435bfff764 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c @@ -387,48 +387,6 @@ err: return vma; } -static void i915_gem_object_bump_inactive_ggtt(struct drm_i915_gem_object *obj) -{ - struct drm_i915_private *i915 = to_i915(obj->base.dev); - struct i915_vma *vma; - - if (list_empty(&obj->vma.list)) - return; - - mutex_lock(&i915->ggtt.vm.mutex); - spin_lock(&obj->vma.lock); - for_each_ggtt_vma(vma, obj) { - if (!drm_mm_node_allocated(&vma->node)) - continue; - - GEM_BUG_ON(vma->vm != &i915->ggtt.vm); - list_move_tail(&vma->vm_link, &vma->vm->bound_list); - } - spin_unlock(&obj->vma.lock); - mutex_unlock(&i915->ggtt.vm.mutex); - - if (i915_gem_object_is_shrinkable(obj)) { - unsigned long flags; - - spin_lock_irqsave(&i915->mm.obj_lock, flags); - - if (obj->mm.madv == I915_MADV_WILLNEED && - !atomic_read(&obj->mm.shrink_pin)) - list_move_tail(&obj->mm.link, &i915->mm.shrink_list); - - spin_unlock_irqrestore(&i915->mm.obj_lock, flags); - } -} - -void -i915_gem_object_unpin_from_display_plane(struct i915_vma *vma) -{ - /* Bump the LRU to try and avoid premature eviction whilst flipping */ - i915_gem_object_bump_inactive_ggtt(vma->obj); - - i915_vma_unpin(vma); -} - /** * Moves a single object to the CPU read, and possibly write domain. * @obj: object to act on @@ -569,9 +527,6 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, else err = i915_gem_object_set_to_cpu_domain(obj, write_domain); - /* And bump the LRU for this access */ - i915_gem_object_bump_inactive_ggtt(obj); - i915_gem_object_unlock(obj); if (write_domain) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h index be14486f63a7..4556afe18f16 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h @@ -486,7 +486,6 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, u32 alignment, const struct i915_ggtt_view *view, unsigned int flags); -void i915_gem_object_unpin_from_display_plane(struct i915_vma *vma); void i915_gem_object_make_unshrinkable(struct drm_i915_gem_object *obj); void i915_gem_object_make_shrinkable(struct drm_i915_gem_object *obj); diff --git a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c index 0625cbb3b431..1d1757584f49 100644 --- a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c @@ -187,18 +187,6 @@ static void add_retire(struct intel_breadcrumbs *b, struct intel_timeline *tl) intel_engine_add_retire(b->irq_engine, tl); } -static bool __signal_request(struct i915_request *rq) -{ - GEM_BUG_ON(test_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags)); - - if (!__dma_fence_signal(&rq->fence)) { - i915_request_put(rq); - return false; - } - - return true; -} - static struct llist_node * slist_add(struct llist_node *node, struct llist_node *head) { @@ -269,9 +257,11 @@ static void signal_irq_work(struct irq_work *work) release = remove_signaling_context(b, ce); spin_unlock(&ce->signal_lock); - if (__signal_request(rq)) + if (__dma_fence_signal(&rq->fence)) /* We own signal_node now, xfer to local list */ signal = slist_add(&rq->signal_node, signal); + else + i915_request_put(rq); if (release) { add_retire(b, ce->timeline); @@ -358,6 +348,17 @@ void intel_breadcrumbs_free(struct intel_breadcrumbs *b) kfree(b); } +static void irq_signal_request(struct i915_request *rq, + struct intel_breadcrumbs *b) +{ + if (!__dma_fence_signal(&rq->fence)) + return; + + i915_request_get(rq); + if (llist_add(&rq->signal_node, &b->signaled_requests)) + irq_work_queue(&b->irq_work); +} + static void insert_breadcrumb(struct i915_request *rq) { struct intel_breadcrumbs *b = READ_ONCE(rq->engine)->breadcrumbs; @@ -367,17 +368,13 @@ static void insert_breadcrumb(struct i915_request *rq) if (test_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags)) return; - i915_request_get(rq); - /* * If the request is already completed, we can transfer it * straight onto a signaled list, and queue the irq worker for * its signal completion. */ if (__i915_request_is_complete(rq)) { - if (__signal_request(rq) && - llist_add(&rq->signal_node, &b->signaled_requests)) - irq_work_queue(&b->irq_work); + irq_signal_request(rq, b); return; } @@ -408,6 +405,8 @@ static void insert_breadcrumb(struct i915_request *rq) break; } } + + i915_request_get(rq); list_add_rcu(&rq->signal_link, pos); GEM_BUG_ON(!check_signal_order(ce, rq)); GEM_BUG_ON(test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &rq->fence.flags)); @@ -448,19 +447,25 @@ bool i915_request_enable_breadcrumb(struct i915_request *rq) void i915_request_cancel_breadcrumb(struct i915_request *rq) { + struct intel_breadcrumbs *b = READ_ONCE(rq->engine)->breadcrumbs; struct intel_context *ce = rq->context; bool release; - if (!test_and_clear_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags)) + spin_lock(&ce->signal_lock); + if (!test_and_clear_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags)) { + spin_unlock(&ce->signal_lock); return; + } - spin_lock(&ce->signal_lock); list_del_rcu(&rq->signal_link); - release = remove_signaling_context(rq->engine->breadcrumbs, ce); + release = remove_signaling_context(b, ce); spin_unlock(&ce->signal_lock); if (release) intel_context_put(ce); + if (__i915_request_is_complete(rq)) + irq_signal_request(rq, b); + i915_request_put(rq); } |