// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014-2015 The Linux Foundation. All rights reserved. * Copyright (C) 2013 Red Hat * Author: Rob Clark */ #include #include #include #include #include #include "mdp5_kms.h" struct mdp5_plane { struct drm_plane base; uint32_t nformats; uint32_t formats[32]; }; #define to_mdp5_plane(x) container_of(x, struct mdp5_plane, base) static int mdp5_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc, struct drm_framebuffer *fb, struct drm_rect *src, struct drm_rect *dest); static struct mdp5_kms *get_kms(struct drm_plane *plane) { struct msm_drm_private *priv = plane->dev->dev_private; return to_mdp5_kms(to_mdp_kms(priv->kms)); } static bool plane_enabled(struct drm_plane_state *state) { return state->visible; } static void mdp5_plane_destroy(struct drm_plane *plane) { struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane); drm_plane_cleanup(plane); kfree(mdp5_plane); } /* helper to install properties which are common to planes and crtcs */ static void mdp5_plane_install_properties(struct drm_plane *plane, struct drm_mode_object *obj) { unsigned int zpos; drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0, DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 | DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y); drm_plane_create_alpha_property(plane); drm_plane_create_blend_mode_property(plane, BIT(DRM_MODE_BLEND_PIXEL_NONE) | BIT(DRM_MODE_BLEND_PREMULTI) | BIT(DRM_MODE_BLEND_COVERAGE)); if (plane->type == DRM_PLANE_TYPE_PRIMARY) zpos = STAGE_BASE; else zpos = STAGE0 + drm_plane_index(plane); drm_plane_create_zpos_property(plane, zpos, 1, 255); } static void mdp5_plane_atomic_print_state(struct drm_printer *p, const struct drm_plane_state *state) { struct mdp5_plane_state *pstate = to_mdp5_plane_state(state); struct mdp5_kms *mdp5_kms = get_kms(state->plane); drm_printf(p, "\thwpipe=%s\n", pstate->hwpipe ? pstate->hwpipe->name : "(null)"); if (mdp5_kms->caps & MDP_CAP_SRC_SPLIT) drm_printf(p, "\tright-hwpipe=%s\n", pstate->r_hwpipe ? pstate->r_hwpipe->name : "(null)"); drm_printf(p, "\tblend_mode=%u\n", pstate->base.pixel_blend_mode); drm_printf(p, "\tzpos=%u\n", pstate->base.zpos); drm_printf(p, "\tnormalized_zpos=%u\n", pstate->base.normalized_zpos); drm_printf(p, "\talpha=%u\n", pstate->base.alpha); drm_printf(p, "\tstage=%s\n", stage2name(pstate->stage)); } static void mdp5_plane_reset(struct drm_plane *plane) { struct mdp5_plane_state *mdp5_state; if (plane->state) __drm_atomic_helper_plane_destroy_state(plane->state); kfree(to_mdp5_plane_state(plane->state)); mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL); __drm_atomic_helper_plane_reset(plane, &mdp5_state->base); } static struct drm_plane_state * mdp5_plane_duplicate_state(struct drm_plane *plane) { struct mdp5_plane_state *mdp5_state; if (WARN_ON(!plane->state)) return NULL; mdp5_state = kmemdup(to_mdp5_plane_state(plane->state), sizeof(*mdp5_state), GFP_KERNEL); if (!mdp5_state) return NULL; __drm_atomic_helper_plane_duplicate_state(plane, &mdp5_state->base); return &mdp5_state->base; } static void mdp5_plane_destroy_state(struct drm_plane *plane, struct drm_plane_state *state) { struct mdp5_plane_state *pstate = to_mdp5_plane_state(state); if (state->fb) drm_framebuffer_put(state->fb); kfree(pstate); } static const struct drm_plane_funcs mdp5_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = mdp5_plane_destroy, .reset = mdp5_plane_reset, .atomic_duplicate_state = mdp5_plane_duplicate_state, .atomic_destroy_state = mdp5_plane_destroy_state, .atomic_print_state = mdp5_plane_atomic_print_state, }; static int mdp5_plane_prepare_fb(struct drm_plane *plane, struct drm_plane_state *new_state) { struct msm_drm_private *priv = plane->dev->dev_private; struct msm_kms *kms = priv->kms; bool needs_dirtyfb = to_mdp5_plane_state(new_state)->needs_dirtyfb; if (!new_state->fb) return 0; drm_gem_plane_helper_prepare_fb(plane, new_state); return msm_framebuffer_prepare(new_state->fb, kms->aspace, needs_dirtyfb); } static void mdp5_plane_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) { struct mdp5_kms *mdp5_kms = get_kms(plane); struct msm_kms *kms = &mdp5_kms->base.base; struct drm_framebuffer *fb = old_state->fb; bool needed_dirtyfb = to_mdp5_plane_state(old_state)->needs_dirtyfb; if (!fb) return; DBG("%s: cleanup: FB[%u]", plane->name, fb->base.id); msm_framebuffer_cleanup(fb, kms->aspace, needed_dirtyfb); } static int mdp5_plane_atomic_check_with_state(struct drm_crtc_state *crtc_state, struct drm_plane_state *state) { struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(state); struct drm_plane *plane = state->plane; struct drm_plane_state *old_state = plane->state; struct mdp5_cfg *config = mdp5_cfg_get_config(get_kms(plane)->cfg); bool new_hwpipe = false; bool need_right_hwpipe = false; uint32_t max_width, max_height; bool out_of_bounds = false; uint32_t caps = 0; int min_scale, max_scale; int ret; DBG("%s: check (%d -> %d)", plane->name, plane_enabled(old_state), plane_enabled(state)); max_width = config->hw->lm.max_width << 16; max_height = config->hw->lm.max_height << 16; /* Make sure source dimensions are within bounds. */ if (state->src_h > max_height) out_of_bounds = true; if (state->src_w > max_width) { /* If source split is supported, we can go up to 2x * the max LM width, but we'd need to stage another * hwpipe to the right LM. So, the drm_plane would * consist of 2 hwpipes. */ if (config->hw->mdp.caps & MDP_CAP_SRC_SPLIT && (state->src_w <= 2 * max_width)) need_right_hwpipe = true; else out_of_bounds = true; } if (out_of_bounds) { struct drm_rect src = drm_plane_state_src(state); DBG("Invalid source size "DRM_RECT_FP_FMT, DRM_RECT_FP_ARG(&src)); return -ERANGE; } min_scale = FRAC_16_16(1, 8); max_scale = FRAC_16_16(8, 1); ret = drm_atomic_helper_check_plane_state(state, crtc_state, min_scale, max_scale, true, true); if (ret) return ret; if (plane_enabled(state)) { unsigned int rotation; const struct mdp_format *format; struct mdp5_kms *mdp5_kms = get_kms(plane); uint32_t blkcfg = 0; format = to_mdp_format(msm_framebuffer_format(state->fb)); if (MDP_FORMAT_IS_YUV(format)) caps |= MDP_PIPE_CAP_SCALE | MDP_PIPE_CAP_CSC; if (((state->src_w >> 16) != state->crtc_w) || ((state->src_h >> 16) != state->crtc_h)) caps |= MDP_PIPE_CAP_SCALE; rotation = drm_rotation_simplify(state->rotation, DRM_MODE_ROTATE_0 | DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y); if (rotation & DRM_MODE_REFLECT_X) caps |= MDP_PIPE_CAP_HFLIP; if (rotation & DRM_MODE_REFLECT_Y) caps |= MDP_PIPE_CAP_VFLIP; if (plane->type == DRM_PLANE_TYPE_CURSOR) caps |= MDP_PIPE_CAP_CURSOR; /* (re)allocate hw pipe if we don't have one or caps-mismatch: */ if (!mdp5_state->hwpipe || (caps & ~mdp5_state->hwpipe->caps)) new_hwpipe = true; /* * (re)allocte hw pipe if we're either requesting for 2 hw pipes * or we're switching from 2 hw pipes to 1 hw pipe because the * new src_w can be supported by 1 hw pipe itself. */ if ((need_right_hwpipe && !mdp5_state->r_hwpipe) || (!need_right_hwpipe && mdp5_state->r_hwpipe)) new_hwpipe = true; if (mdp5_kms->smp) { const struct mdp_format *format = to_mdp_format(msm_framebuffer_format(state->fb)); blkcfg = mdp5_smp_calculate(mdp5_kms->smp, format, state->src_w >> 16, false); if (mdp5_state->hwpipe && (mdp5_state->hwpipe->blkcfg != blkcfg)) new_hwpipe = true; } /* (re)assign hwpipe if needed, otherwise keep old one: */ if (new_hwpipe) { /* TODO maybe we want to re-assign hwpipe sometimes * in cases when we no-longer need some caps to make * it available for other planes? */ struct mdp5_hw_pipe *old_hwpipe = mdp5_state->hwpipe; struct mdp5_hw_pipe *old_right_hwpipe = mdp5_state->r_hwpipe; struct mdp5_hw_pipe *new_hwpipe = NULL; struct mdp5_hw_pipe *new_right_hwpipe = NULL; ret = mdp5_pipe_assign(state->state, plane, caps, blkcfg, &new_hwpipe, need_right_hwpipe ? &new_right_hwpipe : NULL); if (ret) { DBG("%s: failed to assign hwpipe(s)!", plane->name); return ret; } mdp5_state->hwpipe = new_hwpipe; if (need_right_hwpipe) mdp5_state->r_hwpipe = new_right_hwpipe; else /* * set it to NULL so that the driver knows we * don't have a right hwpipe when committing a * new state */ mdp5_state->r_hwpipe = NULL; mdp5_pipe_release(state->state, old_hwpipe); mdp5_pipe_release(state->state, old_right_hwpipe); } } else { mdp5_pipe_release(state->state, mdp5_state->hwpipe); mdp5_pipe_release(state->state, mdp5_state->r_hwpipe); mdp5_state->hwpipe = mdp5_state->r_hwpipe = NULL; } return 0; } static int mdp5_plane_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state) { struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane); struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); struct drm_crtc *crtc; struct drm_crtc_state *crtc_state; crtc = new_plane_state->crtc ? new_plane_state->crtc : old_plane_state->crtc; if (!crtc) return 0; crtc_state = drm_atomic_get_existing_crtc_state(state, crtc); if (WARN_ON(!crtc_state)) return -EINVAL; return mdp5_plane_atomic_check_with_state(crtc_state, new_plane_state); } static void mdp5_plane_atomic_update(struct drm_plane *plane, struct drm_atomic_state *state) { struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane); DBG("%s: update", plane->name); if (plane_enabled(new_state)) { int ret; ret = mdp5_plane_mode_set(plane, new_state->crtc, new_state->fb, &new_state->src, &new_state->dst); /* atomic_check should have ensured that this doesn't fail */ WARN_ON(ret < 0); } } static int mdp5_plane_atomic_async_check(struct drm_plane *plane, struct drm_atomic_state *state) { struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); struct mdp5_plane_state *mdp5_state = to_mdp5_plane_state(new_plane_state); struct drm_crtc_state *crtc_state; int min_scale, max_scale; int ret; crtc_state = drm_atomic_get_existing_crtc_state(state, new_plane_state->crtc); if (WARN_ON(!crtc_state)) return -EINVAL; if (!crtc_state->active) return -EINVAL; mdp5_state = to_mdp5_plane_state(new_plane_state); /* don't use fast path if we don't have a hwpipe allocated yet */ if (!mdp5_state->hwpipe) return -EINVAL; /* only allow changing of position(crtc x/y or src x/y) in fast path */ if (plane->state->crtc != new_plane_state->crtc || plane->state->src_w != new_plane_state->src_w || plane->state->src_h != new_plane_state->src_h || plane->state->crtc_w != new_plane_state->crtc_w || plane->state->crtc_h != new_plane_state->crtc_h || !plane->state->fb || plane->state->fb != new_plane_state->fb) return -EINVAL; min_scale = FRAC_16_16(1, 8); max_scale = FRAC_16_16(8, 1); ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state, min_scale, max_scale, true, true); if (ret) return ret; /* * if the visibility of the plane changes (i.e, if the cursor is * clipped out completely, we can't take the async path because * we need to stage/unstage the plane from the Layer Mixer(s). We * also assign/unassign the hwpipe(s) tied to the plane. We avoid * taking the fast path for both these reasons. */ if (new_plane_state->visible != plane->state->visible) return -EINVAL; return 0; } static void mdp5_plane_atomic_async_update(struct drm_plane *plane, struct drm_atomic_state *state) { struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane); struct drm_framebuffer *old_fb = plane->state->fb; plane->state->src_x = new_state->src_x; plane->state->src_y = new_state->src_y; plane->state->crtc_x = new_state->crtc_x; plane->state->crtc_y = new_state->crtc_y; if (plane_enabled(new_state)) { struct mdp5_ctl *ctl; struct mdp5_pipeline *pipeline = mdp5_crtc_get_pipeline(new_state->crtc); int ret; ret = mdp5_plane_mode_set(plane, new_state->crtc, new_state->fb, &new_state->src, &new_state->dst); WARN_ON(ret < 0); ctl = mdp5_crtc_get_ctl(new_state->crtc); mdp5_ctl_commit(ctl, pipeline, mdp5_plane_get_flush(plane), true); } *to_mdp5_plane_state(plane->state) = *to_mdp5_plane_state(new_state); new_state->fb = old_fb; } static const struct drm_plane_helper_funcs mdp5_plane_helper_funcs = { .prepare_fb = mdp5_plane_prepare_fb, .cleanup_fb = mdp5_plane_cleanup_fb, .atomic_check = mdp5_plane_atomic_check, .atomic_update = mdp5_plane_atomic_update, .atomic_async_check = mdp5_plane_atomic_async_check, .atomic_async_update = mdp5_plane_atomic_async_update, }; static void set_scanout_locked(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe, struct drm_framebuffer *fb) { struct msm_kms *kms = &mdp5_kms->base.base; mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_A(pipe), MDP5_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) | MDP5_PIPE_SRC_STRIDE_A_P1(fb->pitches[1])); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_B(pipe), MDP5_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) | MDP5_PIPE_SRC_STRIDE_B_P3(fb->pitches[3])); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC0_ADDR(pipe), msm_framebuffer_iova(fb, kms->aspace, 0)); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC1_ADDR(pipe), msm_framebuffer_iova(fb, kms->aspace, 1)); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC2_ADDR(pipe), msm_framebuffer_iova(fb, kms->aspace, 2)); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC3_ADDR(pipe), msm_framebuffer_iova(fb, kms->aspace, 3)); } /* Note: mdp5_plane->pipe_lock must be locked */ static void csc_disable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe) { uint32_t value = mdp5_read(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe)) & ~MDP5_PIPE_OP_MODE_CSC_1_EN; mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), value); } /* Note: mdp5_plane->pipe_lock must be locked */ static void csc_enable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe, struct csc_cfg *csc) { uint32_t i, mode = 0; /* RGB, no CSC */ uint32_t *matrix; if (unlikely(!csc)) return; if ((csc->type == CSC_YUV2RGB) || (CSC_YUV2YUV == csc->type)) mode |= MDP5_PIPE_OP_MODE_CSC_SRC_DATA_FORMAT(DATA_FORMAT_YUV); if ((csc->type == CSC_RGB2YUV) || (CSC_YUV2YUV == csc->type)) mode |= MDP5_PIPE_OP_MODE_CSC_DST_DATA_FORMAT(DATA_FORMAT_YUV); mode |= MDP5_PIPE_OP_MODE_CSC_1_EN; mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), mode); matrix = csc->matrix; mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_0(pipe), MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_11(matrix[0]) | MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_12(matrix[1])); mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_1(pipe), MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_13(matrix[2]) | MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_21(matrix[3])); mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_2(pipe), MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_22(matrix[4]) | MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_23(matrix[5])); mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_3(pipe), MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_31(matrix[6]) | MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_32(matrix[7])); mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_4(pipe), MDP5_PIPE_CSC_1_MATRIX_COEFF_4_COEFF_33(matrix[8])); for (i = 0; i < ARRAY_SIZE(csc->pre_bias); i++) { uint32_t *pre_clamp = csc->pre_clamp; uint32_t *post_clamp = csc->post_clamp; mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_CLAMP(pipe, i), MDP5_PIPE_CSC_1_PRE_CLAMP_REG_HIGH(pre_clamp[2*i+1]) | MDP5_PIPE_CSC_1_PRE_CLAMP_REG_LOW(pre_clamp[2*i])); mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_CLAMP(pipe, i), MDP5_PIPE_CSC_1_POST_CLAMP_REG_HIGH(post_clamp[2*i+1]) | MDP5_PIPE_CSC_1_POST_CLAMP_REG_LOW(post_clamp[2*i])); mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_BIAS(pipe, i), MDP5_PIPE_CSC_1_PRE_BIAS_REG_VALUE(csc->pre_bias[i])); mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_BIAS(pipe, i), MDP5_PIPE_CSC_1_POST_BIAS_REG_VALUE(csc->post_bias[i])); } } #define PHASE_STEP_SHIFT 21 #define DOWN_SCALE_RATIO_MAX 32 /* 2^(26-21) */ static int calc_phase_step(uint32_t src, uint32_t dst, uint32_t *out_phase) { uint32_t unit; if (src == 0 || dst == 0) return -EINVAL; /* * PHASE_STEP_X/Y is coded on 26 bits (25:0), * where 2^21 represents the unity "1" in fixed-point hardware design. * This leaves 5 bits for the integer part (downscale case): * -> maximum downscale ratio = 0b1_1111 = 31 */ if (src > (dst * DOWN_SCALE_RATIO_MAX)) return -EOVERFLOW; unit = 1 << PHASE_STEP_SHIFT; *out_phase = mult_frac(unit, src, dst); return 0; } static int calc_scalex_steps(struct drm_plane *plane, uint32_t pixel_format, uint32_t src, uint32_t dest, uint32_t phasex_steps[COMP_MAX]) { const struct drm_format_info *info = drm_format_info(pixel_format); struct mdp5_kms *mdp5_kms = get_kms(plane); struct device *dev = mdp5_kms->dev->dev; uint32_t phasex_step; int ret; ret = calc_phase_step(src, dest, &phasex_step); if (ret) { DRM_DEV_ERROR(dev, "X scaling (%d->%d) failed: %d\n", src, dest, ret); return ret; } phasex_steps[COMP_0] = phasex_step; phasex_steps[COMP_3] = phasex_step; phasex_steps[COMP_1_2] = phasex_step / info->hsub; return 0; } static int calc_scaley_steps(struct drm_plane *plane, uint32_t pixel_format, uint32_t src, uint32_t dest, uint32_t phasey_steps[COMP_MAX]) { const struct drm_format_info *info = drm_format_info(pixel_format); struct mdp5_kms *mdp5_kms = get_kms(plane); struct device *dev = mdp5_kms->dev->dev; uint32_t phasey_step; int ret; ret = calc_phase_step(src, dest, &phasey_step); if (ret) { DRM_DEV_ERROR(dev, "Y scaling (%d->%d) failed: %d\n", src, dest, ret); return ret; } phasey_steps[COMP_0] = phasey_step; phasey_steps[COMP_3] = phasey_step; phasey_steps[COMP_1_2] = phasey_step / info->vsub; return 0; } static uint32_t get_scale_config(const struct mdp_format *format, uint32_t src, uint32_t dst, bool horz) { const struct drm_format_info *info = drm_format_info(format->base.pixel_format); bool scaling = format->is_yuv ? true : (src != dst); uint32_t sub; uint32_t ya_filter, uv_filter; bool yuv = format->is_yuv; if (!scaling) return 0; if (yuv) { sub = horz ? info->hsub : info->vsub; uv_filter = ((src / sub) <= dst) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN; } ya_filter = (src <= dst) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN; if (horz) return MDP5_PIPE_SCALE_CONFIG_SCALEX_EN | MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_0(ya_filter) | MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_3(ya_filter) | COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEX_FILTER_COMP_1_2(uv_filter)); else return MDP5_PIPE_SCALE_CONFIG_SCALEY_EN | MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_0(ya_filter) | MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_3(ya_filter) | COND(yuv, MDP5_PIPE_SCALE_CONFIG_SCALEY_FILTER_COMP_1_2(uv_filter)); } static void calc_pixel_ext(const struct mdp_format *format, uint32_t src, uint32_t dst, uint32_t phase_step[2], int pix_ext_edge1[COMP_MAX], int pix_ext_edge2[COMP_MAX], bool horz) { bool scaling = format->is_yuv ? true : (src != dst); int i; /* * Note: * We assume here that: * 1. PCMN filter is used for downscale * 2. bilinear filter is used for upscale * 3. we are in a single pipe configuration */ for (i = 0; i < COMP_MAX; i++) { pix_ext_edge1[i] = 0; pix_ext_edge2[i] = scaling ? 1 : 0; } } static void mdp5_write_pixel_ext(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe, const struct mdp_format *format, uint32_t src_w, int pe_left[COMP_MAX], int pe_right[COMP_MAX], uint32_t src_h, int pe_top[COMP_MAX], int pe_bottom[COMP_MAX]) { const struct drm_format_info *info = drm_format_info(format->base.pixel_format); uint32_t lr, tb, req; int i; for (i = 0; i < COMP_MAX; i++) { uint32_t roi_w = src_w; uint32_t roi_h = src_h; if (format->is_yuv && i == COMP_1_2) { roi_w /= info->hsub; roi_h /= info->vsub; } lr = (pe_left[i] >= 0) ? MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT(pe_left[i]) : MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF(pe_left[i]); lr |= (pe_right[i] >= 0) ? MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT(pe_right[i]) : MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF(pe_right[i]); tb = (pe_top[i] >= 0) ? MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT(pe_top[i]) : MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF(pe_top[i]); tb |= (pe_bottom[i] >= 0) ? MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT(pe_bottom[i]) : MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF(pe_bottom[i]); req = MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT(roi_w + pe_left[i] + pe_right[i]); req |= MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM(roi_h + pe_top[i] + pe_bottom[i]); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_LR(pipe, i), lr); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_TB(pipe, i), tb); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS(pipe, i), req); DBG("comp-%d (L/R): rpt=%d/%d, ovf=%d/%d, req=%d", i, FIELD(lr, MDP5_PIPE_SW_PIX_EXT_LR_LEFT_RPT), FIELD(lr, MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_RPT), FIELD(lr, MDP5_PIPE_SW_PIX_EXT_LR_LEFT_OVF), FIELD(lr, MDP5_PIPE_SW_PIX_EXT_LR_RIGHT_OVF), FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_LEFT_RIGHT)); DBG("comp-%d (T/B): rpt=%d/%d, ovf=%d/%d, req=%d", i, FIELD(tb, MDP5_PIPE_SW_PIX_EXT_TB_TOP_RPT), FIELD(tb, MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_RPT), FIELD(tb, MDP5_PIPE_SW_PIX_EXT_TB_TOP_OVF), FIELD(tb, MDP5_PIPE_SW_PIX_EXT_TB_BOTTOM_OVF), FIELD(req, MDP5_PIPE_SW_PIX_EXT_REQ_PIXELS_TOP_BOTTOM)); } } struct pixel_ext { int left[COMP_MAX]; int right[COMP_MAX]; int top[COMP_MAX]; int bottom[COMP_MAX]; }; struct phase_step { u32 x[COMP_MAX]; u32 y[COMP_MAX]; }; static void mdp5_hwpipe_mode_set(struct mdp5_kms *mdp5_kms, struct mdp5_hw_pipe *hwpipe, struct drm_framebuffer *fb, struct phase_step *step, struct pixel_ext *pe, u32 scale_config, u32 hdecm, u32 vdecm, bool hflip, bool vflip, int crtc_x, int crtc_y, unsigned int crtc_w, unsigned int crtc_h, u32 src_img_w, u32 src_img_h, u32 src_x, u32 src_y, u32 src_w, u32 src_h) { enum mdp5_pipe pipe = hwpipe->pipe; bool has_pe = hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT; const struct mdp_format *format = to_mdp_format(msm_framebuffer_format(fb)); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_IMG_SIZE(pipe), MDP5_PIPE_SRC_IMG_SIZE_WIDTH(src_img_w) | MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(src_img_h)); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_SIZE(pipe), MDP5_PIPE_SRC_SIZE_WIDTH(src_w) | MDP5_PIPE_SRC_SIZE_HEIGHT(src_h)); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_XY(pipe), MDP5_PIPE_SRC_XY_X(src_x) | MDP5_PIPE_SRC_XY_Y(src_y)); mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_SIZE(pipe), MDP5_PIPE_OUT_SIZE_WIDTH(crtc_w) | MDP5_PIPE_OUT_SIZE_HEIGHT(crtc_h)); mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_XY(pipe), MDP5_PIPE_OUT_XY_X(crtc_x) | MDP5_PIPE_OUT_XY_Y(crtc_y)); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_FORMAT(pipe), MDP5_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) | MDP5_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) | MDP5_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) | MDP5_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) | COND(format->alpha_enable, MDP5_PIPE_SRC_FORMAT_ALPHA_ENABLE) | MDP5_PIPE_SRC_FORMAT_CPP(format->cpp - 1) | MDP5_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) | COND(format->unpack_tight, MDP5_PIPE_SRC_FORMAT_UNPACK_TIGHT) | MDP5_PIPE_SRC_FORMAT_FETCH_TYPE(format->fetch_type) | MDP5_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample)); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_UNPACK(pipe), MDP5_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) | MDP5_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) | MDP5_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) | MDP5_PIPE_SRC_UNPACK_ELEM3(format->unpack[3])); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_OP_MODE(pipe), (hflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_LR : 0) | (vflip ? MDP5_PIPE_SRC_OP_MODE_FLIP_UD : 0) | COND(has_pe, MDP5_PIPE_SRC_OP_MODE_SW_PIX_EXT_OVERRIDE) | MDP5_PIPE_SRC_OP_MODE_BWC(BWC_LOSSLESS)); /* not using secure mode: */ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_ADDR_SW_STATUS(pipe), 0); if (hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT) mdp5_write_pixel_ext(mdp5_kms, pipe, format, src_w, pe->left, pe->right, src_h, pe->top, pe->bottom); if (hwpipe->caps & MDP_PIPE_CAP_SCALE) { mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_X(pipe), step->x[COMP_0]); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_Y(pipe), step->y[COMP_0]); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_X(pipe), step->x[COMP_1_2]); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_Y(pipe), step->y[COMP_1_2]); mdp5_write(mdp5_kms, REG_MDP5_PIPE_DECIMATION(pipe), MDP5_PIPE_DECIMATION_VERT(vdecm) | MDP5_PIPE_DECIMATION_HORZ(hdecm)); mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CONFIG(pipe), scale_config); } if (hwpipe->caps & MDP_PIPE_CAP_CSC) { if (MDP_FORMAT_IS_YUV(format)) csc_enable(mdp5_kms, pipe, mdp_get_default_csc_cfg(CSC_YUV2RGB)); else csc_disable(mdp5_kms, pipe); } set_scanout_locked(mdp5_kms, pipe, fb); } static int mdp5_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc, struct drm_framebuffer *fb, struct drm_rect *src, struct drm_rect *dest) { struct drm_plane_state *pstate = plane->state; struct mdp5_hw_pipe *hwpipe = to_mdp5_plane_state(pstate)->hwpipe; struct mdp5_kms *mdp5_kms = get_kms(plane); enum mdp5_pipe pipe = hwpipe->pipe; struct mdp5_hw_pipe *right_hwpipe; const struct mdp_format *format; uint32_t nplanes, config = 0; struct phase_step step = { { 0 } }; struct pixel_ext pe = { { 0 } }; uint32_t hdecm = 0, vdecm = 0; uint32_t pix_format; unsigned int rotation; bool vflip, hflip; int crtc_x, crtc_y; unsigned int crtc_w, crtc_h; uint32_t src_x, src_y; uint32_t src_w, src_h; uint32_t src_img_w, src_img_h; int ret; nplanes = fb->format->num_planes; /* bad formats should already be rejected: */ if (WARN_ON(nplanes > pipe2nclients(pipe))) return -EINVAL; format = to_mdp_format(msm_framebuffer_format(fb)); pix_format = format->base.pixel_format; src_x = src->x1; src_y = src->y1; src_w = drm_rect_width(src); src_h = drm_rect_height(src); crtc_x = dest->x1; crtc_y = dest->y1; crtc_w = drm_rect_width(dest); crtc_h = drm_rect_height(dest); /* src values are in Q16 fixed point, convert to integer: */ src_x = src_x >> 16; src_y = src_y >> 16; src_w = src_w >> 16; src_h = src_h >> 16; src_img_w = min(fb->width, src_w); src_img_h = min(fb->height, src_h); DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", plane->name, fb->base.id, src_x, src_y, src_w, src_h, crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h); right_hwpipe = to_mdp5_plane_state(pstate)->r_hwpipe; if (right_hwpipe) { /* * if the plane comprises of 2 hw pipes, assume that the width * is split equally across them. The only parameters that varies * between the 2 pipes are src_x and crtc_x */ crtc_w /= 2; src_w /= 2; src_img_w /= 2; } ret = calc_scalex_steps(plane, pix_format, src_w, crtc_w, step.x); if (ret) return ret; ret = calc_scaley_steps(plane, pix_format, src_h, crtc_h, step.y); if (ret) return ret; if (hwpipe->caps & MDP_PIPE_CAP_SW_PIX_EXT) { calc_pixel_ext(format, src_w, crtc_w, step.x, pe.left, pe.right, true); calc_pixel_ext(format, src_h, crtc_h, step.y, pe.top, pe.bottom, false); } /* TODO calc hdecm, vdecm */ /* SCALE is used to both scale and up-sample chroma components */ config |= get_scale_config(format, src_w, crtc_w, true); config |= get_scale_config(format, src_h, crtc_h, false); DBG("scale config = %x", config); rotation = drm_rotation_simplify(pstate->rotation, DRM_MODE_ROTATE_0 | DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y); hflip = !!(rotation & DRM_MODE_REFLECT_X); vflip = !!(rotation & DRM_MODE_REFLECT_Y); mdp5_hwpipe_mode_set(mdp5_kms, hwpipe, fb, &step, &pe, config, hdecm, vdecm, hflip, vflip, crtc_x, crtc_y, crtc_w, crtc_h, src_img_w, src_img_h, src_x, src_y, src_w, src_h); if (right_hwpipe) mdp5_hwpipe_mode_set(mdp5_kms, right_hwpipe, fb, &step, &pe, config, hdecm, vdecm, hflip, vflip, crtc_x + crtc_w, crtc_y, crtc_w, crtc_h, src_img_w, src_img_h, src_x + src_w, src_y, src_w, src_h); return ret; } /* * Use this func and the one below only after the atomic state has been * successfully swapped */ enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane) { struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state); if (WARN_ON(!pstate->hwpipe)) return SSPP_NONE; return pstate->hwpipe->pipe; } enum mdp5_pipe mdp5_plane_right_pipe(struct drm_plane *plane) { struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state); if (!pstate->r_hwpipe) return SSPP_NONE; return pstate->r_hwpipe->pipe; } uint32_t mdp5_plane_get_flush(struct drm_plane *plane) { struct mdp5_plane_state *pstate = to_mdp5_plane_state(plane->state); u32 mask; if (WARN_ON(!pstate->hwpipe)) return 0; mask = pstate->hwpipe->flush_mask; if (pstate->r_hwpipe) mask |= pstate->r_hwpipe->flush_mask; return mask; } /* initialize plane */ struct drm_plane *mdp5_plane_init(struct drm_device *dev, enum drm_plane_type type) { struct drm_plane *plane = NULL; struct mdp5_plane *mdp5_plane; int ret; mdp5_plane = kzalloc(sizeof(*mdp5_plane), GFP_KERNEL); if (!mdp5_plane) { ret = -ENOMEM; goto fail; } plane = &mdp5_plane->base; mdp5_plane->nformats = mdp_get_formats(mdp5_plane->formats, ARRAY_SIZE(mdp5_plane->formats), false); ret = drm_universal_plane_init(dev, plane, 0xff, &mdp5_plane_funcs, mdp5_plane->formats, mdp5_plane->nformats, NULL, type, NULL); if (ret) goto fail; drm_plane_helper_add(plane, &mdp5_plane_helper_funcs); mdp5_plane_install_properties(plane, &plane->base); drm_plane_enable_fb_damage_clips(plane); return plane; fail: if (plane) mdp5_plane_destroy(plane); return ERR_PTR(ret); }