Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Rob Clark | 1337 | 68.71% | 10 | 43.48% |
Beeresh Gopal | 530 | 27.24% | 1 | 4.35% |
Jilai Wang | 21 | 1.08% | 1 | 4.35% |
Maarten Lankhorst | 15 | 0.77% | 1 | 4.35% |
Matt Roper | 14 | 0.72% | 1 | 4.35% |
Archit Taneja | 7 | 0.36% | 1 | 4.35% |
Ville Syrjälä | 5 | 0.26% | 2 | 8.70% |
Thierry Reding | 5 | 0.26% | 1 | 4.35% |
Mamta Shukla | 4 | 0.21% | 1 | 4.35% |
Tvrtko A. Ursulin | 4 | 0.21% | 1 | 4.35% |
Ben Widawsky | 2 | 0.10% | 1 | 4.35% |
Baoyou Xie | 1 | 0.05% | 1 | 4.35% |
Sean Paul | 1 | 0.05% | 1 | 4.35% |
Total | 1946 | 23 |
/* * Copyright (C) 2013 Red Hat * Author: Rob Clark <robdclark@gmail.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program. If not, see <http://www.gnu.org/licenses/>. */ #include "mdp4_kms.h" #define DOWN_SCALE_MAX 8 #define UP_SCALE_MAX 8 struct mdp4_plane { struct drm_plane base; const char *name; enum mdp4_pipe pipe; uint32_t caps; uint32_t nformats; uint32_t formats[32]; bool enabled; }; #define to_mdp4_plane(x) container_of(x, struct mdp4_plane, base) /* MDP format helper functions */ static inline enum mdp4_frame_format mdp4_get_frame_format(struct drm_framebuffer *fb) { bool is_tile = false; if (fb->modifier == DRM_FORMAT_MOD_SAMSUNG_64_32_TILE) is_tile = true; if (fb->format->format == DRM_FORMAT_NV12 && is_tile) return FRAME_TILE_YCBCR_420; return FRAME_LINEAR; } static void mdp4_plane_set_scanout(struct drm_plane *plane, struct drm_framebuffer *fb); static int mdp4_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc, struct drm_framebuffer *fb, int crtc_x, int crtc_y, unsigned int crtc_w, unsigned int crtc_h, uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h); static struct mdp4_kms *get_kms(struct drm_plane *plane) { struct msm_drm_private *priv = plane->dev->dev_private; return to_mdp4_kms(to_mdp_kms(priv->kms)); } static void mdp4_plane_destroy(struct drm_plane *plane) { struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); drm_plane_cleanup(plane); kfree(mdp4_plane); } /* helper to install properties which are common to planes and crtcs */ static void mdp4_plane_install_properties(struct drm_plane *plane, struct drm_mode_object *obj) { // XXX } static int mdp4_plane_set_property(struct drm_plane *plane, struct drm_property *property, uint64_t val) { // XXX return -EINVAL; } static const struct drm_plane_funcs mdp4_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = mdp4_plane_destroy, .set_property = mdp4_plane_set_property, .reset = drm_atomic_helper_plane_reset, .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, }; static void mdp4_plane_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state) { struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); struct mdp4_kms *mdp4_kms = get_kms(plane); struct msm_kms *kms = &mdp4_kms->base.base; struct drm_framebuffer *fb = old_state->fb; if (!fb) return; DBG("%s: cleanup: FB[%u]", mdp4_plane->name, fb->base.id); msm_framebuffer_cleanup(fb, kms->aspace); } static int mdp4_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) { return 0; } static void mdp4_plane_atomic_update(struct drm_plane *plane, struct drm_plane_state *old_state) { struct drm_plane_state *state = plane->state; int ret; ret = mdp4_plane_mode_set(plane, state->crtc, state->fb, state->crtc_x, state->crtc_y, state->crtc_w, state->crtc_h, state->src_x, state->src_y, state->src_w, state->src_h); /* atomic_check should have ensured that this doesn't fail */ WARN_ON(ret < 0); } static const struct drm_plane_helper_funcs mdp4_plane_helper_funcs = { .prepare_fb = msm_atomic_prepare_fb, .cleanup_fb = mdp4_plane_cleanup_fb, .atomic_check = mdp4_plane_atomic_check, .atomic_update = mdp4_plane_atomic_update, }; static void mdp4_plane_set_scanout(struct drm_plane *plane, struct drm_framebuffer *fb) { struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); struct mdp4_kms *mdp4_kms = get_kms(plane); struct msm_kms *kms = &mdp4_kms->base.base; enum mdp4_pipe pipe = mdp4_plane->pipe; mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_STRIDE_A(pipe), MDP4_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) | MDP4_PIPE_SRC_STRIDE_A_P1(fb->pitches[1])); mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_STRIDE_B(pipe), MDP4_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) | MDP4_PIPE_SRC_STRIDE_B_P3(fb->pitches[3])); mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP0_BASE(pipe), msm_framebuffer_iova(fb, kms->aspace, 0)); mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP1_BASE(pipe), msm_framebuffer_iova(fb, kms->aspace, 1)); mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP2_BASE(pipe), msm_framebuffer_iova(fb, kms->aspace, 2)); mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP3_BASE(pipe), msm_framebuffer_iova(fb, kms->aspace, 3)); } static void mdp4_write_csc_config(struct mdp4_kms *mdp4_kms, enum mdp4_pipe pipe, struct csc_cfg *csc) { int i; for (i = 0; i < ARRAY_SIZE(csc->matrix); i++) { mdp4_write(mdp4_kms, REG_MDP4_PIPE_CSC_MV(pipe, i), csc->matrix[i]); } for (i = 0; i < ARRAY_SIZE(csc->post_bias) ; i++) { mdp4_write(mdp4_kms, REG_MDP4_PIPE_CSC_PRE_BV(pipe, i), csc->pre_bias[i]); mdp4_write(mdp4_kms, REG_MDP4_PIPE_CSC_POST_BV(pipe, i), csc->post_bias[i]); } for (i = 0; i < ARRAY_SIZE(csc->post_clamp) ; i++) { mdp4_write(mdp4_kms, REG_MDP4_PIPE_CSC_PRE_LV(pipe, i), csc->pre_clamp[i]); mdp4_write(mdp4_kms, REG_MDP4_PIPE_CSC_POST_LV(pipe, i), csc->post_clamp[i]); } } #define MDP4_VG_PHASE_STEP_DEFAULT 0x20000000 static int mdp4_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc, struct drm_framebuffer *fb, int crtc_x, int crtc_y, unsigned int crtc_w, unsigned int crtc_h, uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h) { struct drm_device *dev = plane->dev; struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); struct mdp4_kms *mdp4_kms = get_kms(plane); enum mdp4_pipe pipe = mdp4_plane->pipe; const struct mdp_format *format; uint32_t op_mode = 0; uint32_t phasex_step = MDP4_VG_PHASE_STEP_DEFAULT; uint32_t phasey_step = MDP4_VG_PHASE_STEP_DEFAULT; enum mdp4_frame_format frame_type; if (!(crtc && fb)) { DBG("%s: disabled!", mdp4_plane->name); return 0; } frame_type = mdp4_get_frame_format(fb); /* 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; DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", mdp4_plane->name, fb->base.id, src_x, src_y, src_w, src_h, crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h); format = to_mdp_format(msm_framebuffer_format(fb)); if (src_w > (crtc_w * DOWN_SCALE_MAX)) { DRM_DEV_ERROR(dev->dev, "Width down scaling exceeds limits!\n"); return -ERANGE; } if (src_h > (crtc_h * DOWN_SCALE_MAX)) { DRM_DEV_ERROR(dev->dev, "Height down scaling exceeds limits!\n"); return -ERANGE; } if (crtc_w > (src_w * UP_SCALE_MAX)) { DRM_DEV_ERROR(dev->dev, "Width up scaling exceeds limits!\n"); return -ERANGE; } if (crtc_h > (src_h * UP_SCALE_MAX)) { DRM_DEV_ERROR(dev->dev, "Height up scaling exceeds limits!\n"); return -ERANGE; } if (src_w != crtc_w) { uint32_t sel_unit = SCALE_FIR; op_mode |= MDP4_PIPE_OP_MODE_SCALEX_EN; if (MDP_FORMAT_IS_YUV(format)) { if (crtc_w > src_w) sel_unit = SCALE_PIXEL_RPT; else if (crtc_w <= (src_w / 4)) sel_unit = SCALE_MN_PHASE; op_mode |= MDP4_PIPE_OP_MODE_SCALEX_UNIT_SEL(sel_unit); phasex_step = mult_frac(MDP4_VG_PHASE_STEP_DEFAULT, src_w, crtc_w); } } if (src_h != crtc_h) { uint32_t sel_unit = SCALE_FIR; op_mode |= MDP4_PIPE_OP_MODE_SCALEY_EN; if (MDP_FORMAT_IS_YUV(format)) { if (crtc_h > src_h) sel_unit = SCALE_PIXEL_RPT; else if (crtc_h <= (src_h / 4)) sel_unit = SCALE_MN_PHASE; op_mode |= MDP4_PIPE_OP_MODE_SCALEY_UNIT_SEL(sel_unit); phasey_step = mult_frac(MDP4_VG_PHASE_STEP_DEFAULT, src_h, crtc_h); } } mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_SIZE(pipe), MDP4_PIPE_SRC_SIZE_WIDTH(src_w) | MDP4_PIPE_SRC_SIZE_HEIGHT(src_h)); mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_XY(pipe), MDP4_PIPE_SRC_XY_X(src_x) | MDP4_PIPE_SRC_XY_Y(src_y)); mdp4_write(mdp4_kms, REG_MDP4_PIPE_DST_SIZE(pipe), MDP4_PIPE_DST_SIZE_WIDTH(crtc_w) | MDP4_PIPE_DST_SIZE_HEIGHT(crtc_h)); mdp4_write(mdp4_kms, REG_MDP4_PIPE_DST_XY(pipe), MDP4_PIPE_DST_XY_X(crtc_x) | MDP4_PIPE_DST_XY_Y(crtc_y)); mdp4_plane_set_scanout(plane, fb); mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_FORMAT(pipe), MDP4_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) | MDP4_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) | MDP4_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) | MDP4_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) | COND(format->alpha_enable, MDP4_PIPE_SRC_FORMAT_ALPHA_ENABLE) | MDP4_PIPE_SRC_FORMAT_CPP(format->cpp - 1) | MDP4_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) | MDP4_PIPE_SRC_FORMAT_FETCH_PLANES(format->fetch_type) | MDP4_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample) | MDP4_PIPE_SRC_FORMAT_FRAME_FORMAT(frame_type) | COND(format->unpack_tight, MDP4_PIPE_SRC_FORMAT_UNPACK_TIGHT)); mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_UNPACK(pipe), MDP4_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) | MDP4_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) | MDP4_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) | MDP4_PIPE_SRC_UNPACK_ELEM3(format->unpack[3])); if (MDP_FORMAT_IS_YUV(format)) { struct csc_cfg *csc = mdp_get_default_csc_cfg(CSC_YUV2RGB); op_mode |= MDP4_PIPE_OP_MODE_SRC_YCBCR; op_mode |= MDP4_PIPE_OP_MODE_CSC_EN; mdp4_write_csc_config(mdp4_kms, pipe, csc); } mdp4_write(mdp4_kms, REG_MDP4_PIPE_OP_MODE(pipe), op_mode); mdp4_write(mdp4_kms, REG_MDP4_PIPE_PHASEX_STEP(pipe), phasex_step); mdp4_write(mdp4_kms, REG_MDP4_PIPE_PHASEY_STEP(pipe), phasey_step); if (frame_type != FRAME_LINEAR) mdp4_write(mdp4_kms, REG_MDP4_PIPE_SSTILE_FRAME_SIZE(pipe), MDP4_PIPE_SSTILE_FRAME_SIZE_WIDTH(src_w) | MDP4_PIPE_SSTILE_FRAME_SIZE_HEIGHT(src_h)); return 0; } static const char *pipe_names[] = { "VG1", "VG2", "RGB1", "RGB2", "RGB3", "VG3", "VG4", }; enum mdp4_pipe mdp4_plane_pipe(struct drm_plane *plane) { struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); return mdp4_plane->pipe; } /* initialize plane */ struct drm_plane *mdp4_plane_init(struct drm_device *dev, enum mdp4_pipe pipe_id, bool private_plane) { struct drm_plane *plane = NULL; struct mdp4_plane *mdp4_plane; int ret; enum drm_plane_type type; mdp4_plane = kzalloc(sizeof(*mdp4_plane), GFP_KERNEL); if (!mdp4_plane) { ret = -ENOMEM; goto fail; } plane = &mdp4_plane->base; mdp4_plane->pipe = pipe_id; mdp4_plane->name = pipe_names[pipe_id]; mdp4_plane->caps = mdp4_pipe_caps(pipe_id); mdp4_plane->nformats = mdp_get_formats(mdp4_plane->formats, ARRAY_SIZE(mdp4_plane->formats), !pipe_supports_yuv(mdp4_plane->caps)); type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; ret = drm_universal_plane_init(dev, plane, 0xff, &mdp4_plane_funcs, mdp4_plane->formats, mdp4_plane->nformats, NULL, type, NULL); if (ret) goto fail; drm_plane_helper_add(plane, &mdp4_plane_helper_funcs); mdp4_plane_install_properties(plane, &plane->base); return plane; fail: if (plane) mdp4_plane_destroy(plane); return ERR_PTR(ret); }
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