diff options
| -rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_kms.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_kms.h | 22 | ||||
| -rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c | 23 | ||||
| -rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c | 300 | ||||
| -rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_plane.c | 24 |
6 files changed, 378 insertions, 11 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c index 0ec76656cd1f..5d10c55c9c40 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c @@ -173,6 +173,14 @@ static int komeda_crtc_normalize_zpos(struct drm_crtc *crtc, plane = plane_st->plane; plane_st->normalized_zpos = order++; + /* When layer_split has been enabled, one plane will be handled + * by two separated komeda layers (left/right), which may needs + * two zorders. + * - zorder: for left_layer for left display part. + * - zorder + 1: will be reserved for right layer. + */ + if (to_kplane_st(plane_st)->layer_split) + order++; DRM_DEBUG_ATOMIC("[PLANE:%d:%s] zpos:%d, normalized zpos: %d\n", plane->base.id, plane->name, diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.h b/drivers/gpu/drm/arm/display/komeda/komeda_kms.h index 5f71e669d92b..9dcfe5a01e23 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.h @@ -36,6 +36,8 @@ struct komeda_plane { /** @prop_img_enhancement: for on/off image enhancement */ struct drm_property *prop_img_enhancement; + /** @prop_layer_split: for on/off layer_split */ + struct drm_property *prop_layer_split; }; /** @@ -50,8 +52,11 @@ struct komeda_plane_state { /** @zlist_node: zorder list node */ struct list_head zlist_node; - /* @img_enhancement: on/off image enhancement */ - u8 img_enhancement : 1; + /* @img_enhancement: on/off image enhancement + * @layer_split: on/off layer_split + */ + u8 img_enhancement : 1, + layer_split : 1; }; /** @@ -155,6 +160,19 @@ is_only_changed_connector(struct drm_crtc_state *st, struct drm_connector *conn) return BIT(drm_connector_index(conn)) == changed_connectors; } +static inline bool has_flip_h(u32 rot) +{ + u32 rotation = drm_rotation_simplify(rot, + DRM_MODE_ROTATE_0 | + DRM_MODE_ROTATE_90 | + DRM_MODE_REFLECT_MASK); + + if (rotation & DRM_MODE_ROTATE_90) + return !!(rotation & DRM_MODE_REFLECT_Y); + else + return !!(rotation & DRM_MODE_REFLECT_X); +} + unsigned long komeda_calc_aclk(struct komeda_crtc_state *kcrtc_st); int komeda_kms_setup_crtcs(struct komeda_kms_dev *kms, struct komeda_dev *mdev); diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c index 543ecc80703f..eb9e0c0af8f3 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c @@ -265,16 +265,35 @@ static void komeda_component_verify_inputs(struct komeda_component *c) } } +static struct komeda_layer * +komeda_get_layer_split_right_layer(struct komeda_pipeline *pipe, + struct komeda_layer *left) +{ + int index = left->base.id - KOMEDA_COMPONENT_LAYER0; + int i; + + for (i = index + 1; i < pipe->n_layers; i++) + if (left->layer_type == pipe->layers[i]->layer_type) + return pipe->layers[i]; + return NULL; +} + static void komeda_pipeline_assemble(struct komeda_pipeline *pipe) { struct komeda_component *c; - int id; + struct komeda_layer *layer; + int i, id; dp_for_each_set_bit(id, pipe->avail_comps) { c = komeda_pipeline_get_component(pipe, id); - komeda_component_verify_inputs(c); } + /* calculate right layer for the layer split */ + for (i = 0; i < pipe->n_layers; i++) { + layer = pipe->layers[i]; + + layer->right = komeda_get_layer_split_right_layer(pipe, layer); + } } int komeda_assemble_pipelines(struct komeda_dev *mdev) diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h index 857be3f64b32..f6a4a51cb5f7 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h @@ -228,6 +228,12 @@ struct komeda_layer { struct malidp_range hsize_in, vsize_in; u32 layer_type; /* RICH, SIMPLE or WB */ u32 supported_rots; + /* komeda supports layer split which splits a whole image to two parts + * left and right and handle them by two individual layer processors + * Note: left/right are always according to the final display rect, + * not the source buffer. + */ + struct komeda_layer *right; }; struct komeda_layer_state { @@ -339,6 +345,7 @@ struct komeda_data_flow_cfg { u8 en_scaling : 1, en_img_enhancement : 1, en_split : 1, + is_yuv : 1, right_part : 1; /* right part of display image if split enabled */ }; @@ -493,6 +500,11 @@ int komeda_build_wb_data_flow(struct komeda_layer *wb_layer, int komeda_build_display_data_flow(struct komeda_crtc *kcrtc, struct komeda_crtc_state *kcrtc_st); +int komeda_build_layer_split_data_flow(struct komeda_layer *left, + struct komeda_plane_state *kplane_st, + struct komeda_crtc_state *kcrtc_st, + struct komeda_data_flow_cfg *dflow); + int komeda_release_unclaimed_resources(struct komeda_pipeline *pipe, struct komeda_crtc_state *kcrtc_st); diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c index 714961a0f91e..23182edeb09a 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c @@ -211,13 +211,14 @@ komeda_component_check_input(struct komeda_component_state *state, struct komeda_component *c = state->component; if ((idx < 0) || (idx >= c->max_active_inputs)) { - DRM_DEBUG_ATOMIC("%s invalid input id: %d.\n", c->name, idx); + DRM_DEBUG_ATOMIC("%s required an invalid %s-input[%d].\n", + input->component->name, c->name, idx); return -EINVAL; } if (has_bit(idx, state->active_inputs)) { - DRM_DEBUG_ATOMIC("%s required input_id: %d has been occupied already.\n", - c->name, idx); + DRM_DEBUG_ATOMIC("%s required %s-input[%d] has been occupied already.\n", + input->component->name, c->name, idx); return -EINVAL; } @@ -269,6 +270,15 @@ komeda_component_get_avail_scaler(struct komeda_component *c, return to_scaler(c); } +static void +komeda_rotate_data_flow(struct komeda_data_flow_cfg *dflow, u32 rot) +{ + if (drm_rotation_90_or_270(rot)) { + swap(dflow->in_h, dflow->in_w); + swap(dflow->total_in_h, dflow->total_in_w); + } +} + static int komeda_layer_check_cfg(struct komeda_layer *layer, struct komeda_fb *kfb, @@ -360,8 +370,7 @@ komeda_layer_validate(struct komeda_layer *layer, * The rotation has been handled by layer, so adjusted the data flow for * the next stage. */ - if (drm_rotation_90_or_270(st->rot)) - swap(dflow->in_h, dflow->in_w); + komeda_rotate_data_flow(dflow, st->rot); return 0; } @@ -525,6 +534,52 @@ komeda_scaler_validate(void *user, return err; } +static int +komeda_merger_validate(struct komeda_merger *merger, + void *user, + struct komeda_crtc_state *kcrtc_st, + struct komeda_data_flow_cfg *left_input, + struct komeda_data_flow_cfg *right_input, + struct komeda_data_flow_cfg *output) +{ + struct komeda_component_state *c_st; + struct komeda_merger_state *st; + int err = 0; + + if (!merger) { + DRM_DEBUG_ATOMIC("No merger is available"); + return -EINVAL; + } + + if (!in_range(&merger->hsize_merged, output->out_w)) { + DRM_DEBUG_ATOMIC("merged_w: %d is out of the accepted range.\n", + output->out_w); + return -EINVAL; + } + + if (!in_range(&merger->vsize_merged, output->out_h)) { + DRM_DEBUG_ATOMIC("merged_h: %d is out of the accepted range.\n", + output->out_h); + return -EINVAL; + } + + c_st = komeda_component_get_state_and_set_user(&merger->base, + kcrtc_st->base.state, kcrtc_st->base.crtc, kcrtc_st->base.crtc); + + if (IS_ERR(c_st)) + return PTR_ERR(c_st); + + st = to_merger_st(c_st); + st->hsize_merged = output->out_w; + st->vsize_merged = output->out_h; + + komeda_component_add_input(c_st, &left_input->input, 0); + komeda_component_add_input(c_st, &right_input->input, 1); + komeda_component_set_output(&output->input, &merger->base, 0); + + return err; +} + void pipeline_composition_size(struct komeda_crtc_state *kcrtc_st, u16 *hsize, u16 *vsize) { @@ -583,6 +638,7 @@ komeda_compiz_set_input(struct komeda_compiz *compiz, c_st->changed_active_inputs |= BIT(idx); komeda_component_add_input(c_st, &dflow->input, idx); + komeda_component_set_output(&dflow->input, &compiz->base, 0); return 0; } @@ -690,6 +746,16 @@ void komeda_complete_data_flow_cfg(struct komeda_data_flow_cfg *dflow, swap(w, h); dflow->en_scaling = (w != dflow->out_w) || (h != dflow->out_h); + dflow->is_yuv = fb->format->is_yuv; +} + +static bool merger_is_available(struct komeda_pipeline *pipe, + struct komeda_data_flow_cfg *dflow) +{ + u32 avail_inputs = pipe->merger ? + pipe->merger->base.supported_inputs : 0; + + return has_bit(dflow->input.component->id, avail_inputs); } int komeda_build_layer_data_flow(struct komeda_layer *layer, @@ -714,6 +780,230 @@ int komeda_build_layer_data_flow(struct komeda_layer *layer, if (err) return err; + /* if split, check if can put the data flow into merger */ + if (dflow->en_split && merger_is_available(pipe, dflow)) + return 0; + + err = komeda_compiz_set_input(pipe->compiz, kcrtc_st, dflow); + + return err; +} + +/* + * Split is introduced for workaround scaler's input/output size limitation. + * The idea is simple, if one scaler can not fit the requirement, use two. + * So split splits the big source image to two half parts (left/right) and do + * the scaling by two scaler separately and independently. + * But split also imports an edge problem in the middle of the image when + * scaling, to avoid it, split isn't a simple half-and-half, but add an extra + * pixels (overlap) to both side, after split the left/right will be: + * - left: [0, src_length/2 + overlap] + * - right: [src_length/2 - overlap, src_length] + * The extra overlap do eliminate the edge problem, but which may also generates + * unnecessary pixels when scaling, we need to crop them before scaler output + * the result to the next stage. and for the how to crop, it depends on the + * unneeded pixels, another words the position where overlay has been added. + * - left: crop the right + * - right: crop the left + * + * The diagram for how to do the split + * + * <---------------------left->out_w ----------------> + * |--------------------------------|---right_crop-----| <- left after split + * \ \ / + * \ \<--overlap--->/ + * |-----------------|-------------|(Middle)------|-----------------| <- src + * /<---overlap--->\ \ + * / \ \ + * right after split->|-----left_crop---|--------------------------------| + * ^<------------------- right->out_w --------------->^ + * + * NOTE: To consistent with HW the output_w always contains the crop size. + */ + +static void komeda_split_data_flow(struct komeda_scaler *scaler, + struct komeda_data_flow_cfg *dflow, + struct komeda_data_flow_cfg *l_dflow, + struct komeda_data_flow_cfg *r_dflow) +{ + bool r90 = drm_rotation_90_or_270(dflow->rot); + bool flip_h = has_flip_h(dflow->rot); + u32 l_out, r_out, overlap; + + memcpy(l_dflow, dflow, sizeof(*dflow)); + memcpy(r_dflow, dflow, sizeof(*dflow)); + + l_dflow->right_part = false; + r_dflow->right_part = true; + r_dflow->blending_zorder = dflow->blending_zorder + 1; + + overlap = 0; + if (dflow->en_scaling && scaler) + overlap += scaler->scaling_split_overlap; + + /* original dflow may fed into splitter, and which doesn't need + * enhancement overlap + */ + dflow->overlap = overlap; + + if (dflow->en_img_enhancement && scaler) + overlap += scaler->enh_split_overlap; + + l_dflow->overlap = overlap; + r_dflow->overlap = overlap; + + /* split the origin content */ + /* left/right here always means the left/right part of display image, + * not the source Image + */ + /* DRM rotation is anti-clockwise */ + if (r90) { + if (dflow->en_scaling) { + l_dflow->in_h = ALIGN(dflow->in_h, 2) / 2 + l_dflow->overlap; + r_dflow->in_h = l_dflow->in_h; + } else if (dflow->en_img_enhancement) { + /* enhancer only */ + l_dflow->in_h = ALIGN(dflow->in_h, 2) / 2 + l_dflow->overlap; + r_dflow->in_h = dflow->in_h / 2 + r_dflow->overlap; + } else { + /* split without scaler, no overlap */ + l_dflow->in_h = ALIGN(((dflow->in_h + 1) >> 1), 2); + r_dflow->in_h = dflow->in_h - l_dflow->in_h; + } + + /* Consider YUV format, after split, the split source w/h + * may not aligned to 2. we have two choices for such case. + * 1. scaler is enabled (overlap != 0), we can do a alignment + * both left/right and crop the extra data by scaler. + * 2. scaler is not enabled, only align the split left + * src/disp, and the rest part assign to right + */ + if ((overlap != 0) && dflow->is_yuv) { + l_dflow->in_h = ALIGN(l_dflow->in_h, 2); + r_dflow->in_h = ALIGN(r_dflow->in_h, 2); + } + + if (flip_h) + l_dflow->in_y = dflow->in_y + dflow->in_h - l_dflow->in_h; + else + r_dflow->in_y = dflow->in_y + dflow->in_h - r_dflow->in_h; + } else { + if (dflow->en_scaling) { + l_dflow->in_w = ALIGN(dflow->in_w, 2) / 2 + l_dflow->overlap; + r_dflow->in_w = l_dflow->in_w; + } else if (dflow->en_img_enhancement) { + l_dflow->in_w = ALIGN(dflow->in_w, 2) / 2 + l_dflow->overlap; + r_dflow->in_w = dflow->in_w / 2 + r_dflow->overlap; + } else { + l_dflow->in_w = ALIGN(((dflow->in_w + 1) >> 1), 2); + r_dflow->in_w = dflow->in_w - l_dflow->in_w; + } + + /* do YUV alignment when scaler enabled */ + if ((overlap != 0) && dflow->is_yuv) { + l_dflow->in_w = ALIGN(l_dflow->in_w, 2); + r_dflow->in_w = ALIGN(r_dflow->in_w, 2); + } + + /* on flip_h, the left display content from the right-source */ + if (flip_h) + l_dflow->in_x = dflow->in_w + dflow->in_x - l_dflow->in_w; + else + r_dflow->in_x = dflow->in_w + dflow->in_x - r_dflow->in_w; + } + + /* split the disp_rect */ + if (dflow->en_scaling || dflow->en_img_enhancement) + l_dflow->out_w = ((dflow->out_w + 1) >> 1); + else + l_dflow->out_w = ALIGN(((dflow->out_w + 1) >> 1), 2); + + r_dflow->out_w = dflow->out_w - l_dflow->out_w; + + l_dflow->out_x = dflow->out_x; + r_dflow->out_x = l_dflow->out_w + l_dflow->out_x; + + /* calculate the scaling crop */ + /* left scaler output more data and do crop */ + if (r90) { + l_out = (dflow->out_w * l_dflow->in_h) / dflow->in_h; + r_out = (dflow->out_w * r_dflow->in_h) / dflow->in_h; + } else { + l_out = (dflow->out_w * l_dflow->in_w) / dflow->in_w; + r_out = (dflow->out_w * r_dflow->in_w) / dflow->in_w; + } + + l_dflow->left_crop = 0; + l_dflow->right_crop = l_out - l_dflow->out_w; + r_dflow->left_crop = r_out - r_dflow->out_w; + r_dflow->right_crop = 0; + + /* out_w includes the crop length */ + l_dflow->out_w += l_dflow->right_crop + l_dflow->left_crop; + r_dflow->out_w += r_dflow->right_crop + r_dflow->left_crop; +} + +/* For layer split, a plane state will be split to two data flows and handled + * by two separated komeda layer input pipelines. komeda supports two types of + * layer split: + * - none-scaling split: + * / layer-left -> \ + * plane_state compiz-> ... + * \ layer-right-> / + * + * - scaling split: + * / layer-left -> scaler->\ + * plane_state merger -> compiz-> ... + * \ layer-right-> scaler->/ + * + * Since merger only supports scaler as input, so for none-scaling split, two + * layer data flows will be output to compiz directly. for scaling_split, two + * data flow will be merged by merger firstly, then merger outputs one merged + * data flow to compiz. + */ +int komeda_build_layer_split_data_flow(struct komeda_layer *left, + struct komeda_plane_state *kplane_st, + struct komeda_crtc_state *kcrtc_st, + struct komeda_data_flow_cfg *dflow) +{ + struct drm_plane *plane = kplane_st->base.plane; + struct komeda_pipeline *pipe = left->base.pipeline; + struct komeda_layer *right = left->right; + struct komeda_data_flow_cfg l_dflow, r_dflow; + int err; + + komeda_split_data_flow(pipe->scalers[0], dflow, &l_dflow, &r_dflow); + + DRM_DEBUG_ATOMIC("Assign %s + %s to [PLANE:%d:%s]: " + "src[x/y:%d/%d, w/h:%d/%d] disp[x/y:%d/%d, w/h:%d/%d]", + left->base.name, right->base.name, + plane->base.id, plane->name, + dflow->in_x, dflow->in_y, dflow->in_w, dflow->in_h, + dflow->out_x, dflow->out_y, dflow->out_w, dflow->out_h); + + err = komeda_build_layer_data_flow(left, kplane_st, kcrtc_st, &l_dflow); + if (err) + return err; + + err = komeda_build_layer_data_flow(right, kplane_st, kcrtc_st, &r_dflow); + if (err) + return err; + + /* The rotation has been handled by layer, so adjusted the data flow */ + komeda_rotate_data_flow(dflow, dflow->rot); + + /* left and right dflow has been merged to compiz already, + * no need merger to merge them anymore. + */ + if (r_dflow.input.component == l_dflow.input.component) + return 0; + + /* line merger path */ + err = komeda_merger_validate(pipe->merger, plane, kcrtc_st, + &l_dflow, &r_dflow, dflow); + if (err) + return err; + err = komeda_compiz_set_input(pipe->compiz, kcrtc_st, dflow); return err; diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_plane.c b/drivers/gpu/drm/arm/display/komeda/komeda_plane.c index 9d29820345b9..d1c58a88d9e2 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_plane.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_plane.c @@ -45,7 +45,8 @@ komeda_plane_init_data_flow(struct drm_plane_state *st, return -EINVAL; } - dflow->en_img_enhancement = kplane_st->img_enhancement; + dflow->en_img_enhancement = !!kplane_st->img_enhancement; + dflow->en_split = !!kplane_st->layer_split; komeda_complete_data_flow_cfg(dflow, fb); @@ -91,7 +92,12 @@ komeda_plane_atomic_check(struct drm_plane *plane, if (err) return err; - err = komeda_build_layer_data_flow(layer, kplane_st, kcrtc_st, &dflow); + if (dflow.en_split) + err = komeda_build_layer_split_data_flow(layer, + kplane_st, kcrtc_st, &dflow); + else + err = komeda_build_layer_data_flow(layer, + kplane_st, kcrtc_st, &dflow); return err; } @@ -181,6 +187,8 @@ komeda_plane_atomic_get_property(struct drm_plane *plane, if (property == kplane->prop_img_enhancement) *val = st->img_enhancement; + else if (property == kplane->prop_layer_split) + *val = st->layer_split; else return -EINVAL; @@ -198,6 +206,8 @@ komeda_plane_atomic_set_property(struct drm_plane *plane, if (property == kplane->prop_img_enhancement) st->img_enhancement = !!val; + else if (property == kplane->prop_layer_split) + st->layer_split = !!val; else return -EINVAL; @@ -247,6 +257,16 @@ komeda_plane_create_layer_properties(struct komeda_plane *kplane, kplane->prop_img_enhancement = prop; } + /* property: layer split */ + if (layer->right) { + prop = drm_property_create_bool(drm, DRM_MODE_PROP_ATOMIC, + "layer_split"); + if (!prop) + return -ENOMEM; + kplane->prop_layer_split = prop; + drm_object_attach_property(&plane->base, prop, 0); + } + return 0; } |