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Release 4.11 drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c

/*
 * 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; }

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Rob Clark4593.75%150.00%
Ville Syrjälä36.25%150.00%
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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)); }

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static void mdp4_plane_destroy(struct drm_plane *plane) { struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); drm_plane_helper_disable(plane); drm_plane_cleanup(plane); kfree(mdp4_plane); }

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Rob Clark36100.00%2100.00%
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/* 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 }

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static int mdp4_plane_set_property(struct drm_plane *plane, struct drm_property *property, uint64_t val) { // XXX return -EINVAL; }

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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 int mdp4_plane_prepare_fb(struct drm_plane *plane, struct drm_plane_state *new_state) { struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); struct mdp4_kms *mdp4_kms = get_kms(plane); struct drm_framebuffer *fb = new_state->fb; if (!fb) return 0; DBG("%s: prepare: FB[%u]", mdp4_plane->name, fb->base.id); return msm_framebuffer_prepare(fb, mdp4_kms->id); }

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Rob Clark5773.08%133.33%
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Tvrtko A. Ursulin45.13%133.33%
Total78100.00%3100.00%


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 drm_framebuffer *fb = old_state->fb; if (!fb) return; DBG("%s: cleanup: FB[%u]", mdp4_plane->name, fb->base.id); msm_framebuffer_cleanup(fb, mdp4_kms->id); }

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Rob Clark5674.67%133.33%
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Tvrtko A. Ursulin45.33%133.33%
Total75100.00%3100.00%


static int mdp4_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) { return 0; }

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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); }

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Rob Clark7893.98%150.00%
Thierry Reding56.02%150.00%
Total83100.00%2100.00%

static const struct drm_plane_helper_funcs mdp4_plane_helper_funcs = { .prepare_fb = mdp4_plane_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); 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, mdp4_kms->id, 0)); mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP1_BASE(pipe), msm_framebuffer_iova(fb, mdp4_kms->id, 1)); mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP2_BASE(pipe), msm_framebuffer_iova(fb, mdp4_kms->id, 2)); mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP3_BASE(pipe), msm_framebuffer_iova(fb, mdp4_kms->id, 3)); plane->fb = fb; }

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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]); } }

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#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)) { dev_err(dev->dev, "Width down scaling exceeds limits!\n"); return -ERANGE; } if (src_h > (crtc_h * DOWN_SCALE_MAX)) { dev_err(dev->dev, "Height down scaling exceeds limits!\n"); return -ERANGE; } if (crtc_w > (src_w * UP_SCALE_MAX)) { dev_err(dev->dev, "Width up scaling exceeds limits!\n"); return -ERANGE; } if (crtc_h > (src_h * UP_SCALE_MAX)) { dev_err(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; }

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Rob Clark49062.82%777.78%
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Archit Taneja70.90%111.11%
Total780100.00%9100.00%

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; }

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/* 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, 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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Rob Clark16883.17%457.14%
Jilai Wang188.91%114.29%
Matt Roper146.93%114.29%
Ville Syrjälä20.99%114.29%
Total202100.00%7100.00%


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Rob Clark137468.39%844.44%
Beeresh Gopal54226.98%15.56%
Maarten Lankhorst321.59%15.56%
Jilai Wang211.05%15.56%
Matt Roper140.70%15.56%
Tvrtko A. Ursulin80.40%15.56%
Archit Taneja70.35%15.56%
Thierry Reding50.25%15.56%
Ville Syrjälä50.25%211.11%
Baoyou Xie10.05%15.56%
Total2009100.00%18100.00%
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