--- /dev/null
+/*
+ * Copyright (c) 2014 The Linux Foundation. All rights reserved.
+ * 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 "mdp5_kms.h"
+
+#include <linux/sort.h>
+#include <drm/drm_mode.h>
+#include "drm_crtc.h"
+#include "drm_crtc_helper.h"
+#include "drm_flip_work.h"
+
+#define CURSOR_WIDTH 64
+#define CURSOR_HEIGHT 64
+
+#define SSPP_MAX (SSPP_RGB3 + 1) /* TODO: Add SSPP_MAX in mdp5.xml.h */
+
+struct mdp5_crtc {
+ struct drm_crtc base;
+ char name[8];
+ int id;
+ bool enabled;
+
+ /* layer mixer used for this CRTC (+ its lock): */
+#define GET_LM_ID(crtc_id) ((crtc_id == 3) ? 5 : crtc_id)
+ int lm;
+ spinlock_t lm_lock; /* protect REG_MDP5_LM_* registers */
+
+ /* CTL used for this CRTC: */
+ struct mdp5_ctl *ctl;
+
+ /* if there is a pending flip, these will be non-null: */
+ struct drm_pending_vblank_event *event;
+
+#define PENDING_CURSOR 0x1
+#define PENDING_FLIP 0x2
+ atomic_t pending;
+
+ /* for unref'ing cursor bo's after scanout completes: */
+ struct drm_flip_work unref_cursor_work;
+
+ struct mdp_irq vblank;
+ struct mdp_irq err;
+
+ struct {
+ /* protect REG_MDP5_LM_CURSOR* registers and cursor scanout_bo*/
+ spinlock_t lock;
+
+ /* current cursor being scanned out: */
+ struct drm_gem_object *scanout_bo;
+ uint32_t width, height;
+ uint32_t x, y;
+ } cursor;
+};
+#define to_mdp5_crtc(x) container_of(x, struct mdp5_crtc, base)
+
+static struct mdp5_kms *get_kms(struct drm_crtc *crtc)
+{
+ struct msm_drm_private *priv = crtc->dev->dev_private;
+ return to_mdp5_kms(to_mdp_kms(priv->kms));
+}
+
+static void request_pending(struct drm_crtc *crtc, uint32_t pending)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+
+ atomic_or(pending, &mdp5_crtc->pending);
+ mdp_irq_register(&get_kms(crtc)->base, &mdp5_crtc->vblank);
+}
+
+static void crtc_flush(struct drm_crtc *crtc, u32 flush_mask)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+
+ DBG("%s: flush=%08x", mdp5_crtc->name, flush_mask);
+ mdp5_ctl_commit(mdp5_crtc->ctl, flush_mask);
+}
+
+/*
+ * flush updates, to make sure hw is updated to new scanout fb,
+ * so that we can safely queue unref to current fb (ie. next
+ * vblank we know hw is done w/ previous scanout_fb).
+ */
+static void crtc_flush_all(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct drm_plane *plane;
+ uint32_t flush_mask = 0;
+
+ /* this should not happen: */
+ if (WARN_ON(!mdp5_crtc->ctl))
+ return;
+
+ drm_atomic_crtc_for_each_plane(plane, crtc) {
+ flush_mask |= mdp5_plane_get_flush(plane);
+ }
+
+ flush_mask |= mdp_ctl_flush_mask_lm(mdp5_crtc->lm);
+
+ crtc_flush(crtc, flush_mask);
+}
+
+/* if file!=NULL, this is preclose potential cancel-flip path */
+static void complete_flip(struct drm_crtc *crtc, struct drm_file *file)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct drm_pending_vblank_event *event;
+ struct drm_plane *plane;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ event = mdp5_crtc->event;
+ if (event) {
+ /* if regular vblank case (!file) or if cancel-flip from
+ * preclose on file that requested flip, then send the
+ * event:
+ */
+ if (!file || (event->base.file_priv == file)) {
+ mdp5_crtc->event = NULL;
+ DBG("%s: send event: %p", mdp5_crtc->name, event);
+ drm_send_vblank_event(dev, mdp5_crtc->id, event);
+ }
+ }
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ drm_atomic_crtc_for_each_plane(plane, crtc) {
+ mdp5_plane_complete_flip(plane);
+ }
+
+ if (mdp5_crtc->ctl && !crtc->state->enable) {
+ mdp5_ctl_release(mdp5_crtc->ctl);
+ mdp5_crtc->ctl = NULL;
+ }
+}
+
+static void unref_cursor_worker(struct drm_flip_work *work, void *val)
+{
+ struct mdp5_crtc *mdp5_crtc =
+ container_of(work, struct mdp5_crtc, unref_cursor_work);
+ struct mdp5_kms *mdp5_kms = get_kms(&mdp5_crtc->base);
+
+ msm_gem_put_iova(val, mdp5_kms->id);
+ drm_gem_object_unreference_unlocked(val);
+}
+
+static void mdp5_crtc_destroy(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+
+ drm_crtc_cleanup(crtc);
+ drm_flip_work_cleanup(&mdp5_crtc->unref_cursor_work);
+
+ kfree(mdp5_crtc);
+}
+
+static bool mdp5_crtc_mode_fixup(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ return true;
+}
+
+/*
+ * blend_setup() - blend all the planes of a CRTC
+ *
+ * When border is enabled, the border color will ALWAYS be the base layer.
+ * Therefore, the first plane (private RGB pipe) will start at STAGE0.
+ * If disabled, the first plane starts at STAGE_BASE.
+ *
+ * Note:
+ * Border is not enabled here because the private plane is exactly
+ * the CRTC resolution.
+ */
+static void blend_setup(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ struct drm_plane *plane;
+ const struct mdp5_cfg_hw *hw_cfg;
+ uint32_t lm = mdp5_crtc->lm, blend_cfg = 0;
+ unsigned long flags;
+#define blender(stage) ((stage) - STAGE_BASE)
+
+ hw_cfg = mdp5_cfg_get_hw_config(mdp5_kms->cfg);
+
+ spin_lock_irqsave(&mdp5_crtc->lm_lock, flags);
+
+ /* ctl could be released already when we are shutting down: */
+ if (!mdp5_crtc->ctl)
+ goto out;
+
+ drm_atomic_crtc_for_each_plane(plane, crtc) {
+ enum mdp_mixer_stage_id stage =
+ to_mdp5_plane_state(plane->state)->stage;
+
+ /*
+ * Note: This cannot happen with current implementation but
+ * we need to check this condition once z property is added
+ */
+ BUG_ON(stage > hw_cfg->lm.nb_stages);
+
+ /* LM */
+ mdp5_write(mdp5_kms,
+ REG_MDP5_LM_BLEND_OP_MODE(lm, blender(stage)),
+ MDP5_LM_BLEND_OP_MODE_FG_ALPHA(FG_CONST) |
+ MDP5_LM_BLEND_OP_MODE_BG_ALPHA(BG_CONST));
+ mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_FG_ALPHA(lm,
+ blender(stage)), 0xff);
+ mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_BG_ALPHA(lm,
+ blender(stage)), 0x00);
+ /* CTL */
+ blend_cfg |= mdp_ctl_blend_mask(mdp5_plane_pipe(plane), stage);
+ DBG("%s: blending pipe %s on stage=%d", mdp5_crtc->name,
+ pipe2name(mdp5_plane_pipe(plane)), stage);
+ }
+
+ DBG("%s: lm%d: blend config = 0x%08x", mdp5_crtc->name, lm, blend_cfg);
+ mdp5_ctl_blend(mdp5_crtc->ctl, lm, blend_cfg);
+
+out:
+ spin_unlock_irqrestore(&mdp5_crtc->lm_lock, flags);
+}
+
+static void mdp5_crtc_mode_set_nofb(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ unsigned long flags;
+ struct drm_display_mode *mode;
+
+ if (WARN_ON(!crtc->state))
+ return;
+
+ mode = &crtc->state->adjusted_mode;
+
+ DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
+ mdp5_crtc->name, mode->base.id, mode->name,
+ mode->vrefresh, mode->clock,
+ mode->hdisplay, mode->hsync_start,
+ mode->hsync_end, mode->htotal,
+ mode->vdisplay, mode->vsync_start,
+ mode->vsync_end, mode->vtotal,
+ mode->type, mode->flags);
+
+ spin_lock_irqsave(&mdp5_crtc->lm_lock, flags);
+ mdp5_write(mdp5_kms, REG_MDP5_LM_OUT_SIZE(mdp5_crtc->lm),
+ MDP5_LM_OUT_SIZE_WIDTH(mode->hdisplay) |
+ MDP5_LM_OUT_SIZE_HEIGHT(mode->vdisplay));
+ spin_unlock_irqrestore(&mdp5_crtc->lm_lock, flags);
+}
+
+static void mdp5_crtc_disable(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+
+ DBG("%s", mdp5_crtc->name);
+
+ if (WARN_ON(!mdp5_crtc->enabled))
+ return;
+
+ /* set STAGE_UNUSED for all layers */
+ mdp5_ctl_blend(mdp5_crtc->ctl, mdp5_crtc->lm, 0x00000000);
+
+ mdp_irq_unregister(&mdp5_kms->base, &mdp5_crtc->err);
+ mdp5_disable(mdp5_kms);
+
+ mdp5_crtc->enabled = false;
+}
+
+static void mdp5_crtc_enable(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+
+ DBG("%s", mdp5_crtc->name);
+
+ if (WARN_ON(mdp5_crtc->enabled))
+ return;
+
+ mdp5_enable(mdp5_kms);
+ mdp_irq_register(&mdp5_kms->base, &mdp5_crtc->err);
+
+ mdp5_crtc->enabled = true;
+}
+
+struct plane_state {
+ struct drm_plane *plane;
+ struct mdp5_plane_state *state;
+};
+
+static int pstate_cmp(const void *a, const void *b)
+{
+ struct plane_state *pa = (struct plane_state *)a;
+ struct plane_state *pb = (struct plane_state *)b;
+ return pa->state->zpos - pb->state->zpos;
+}
+
+static int mdp5_crtc_atomic_check(struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ struct drm_plane *plane;
+ struct drm_device *dev = crtc->dev;
+ struct plane_state pstates[STAGE3 + 1];
+ int cnt = 0, i;
+
+ DBG("%s: check", mdp5_crtc->name);
+
+ /* request a free CTL, if none is already allocated for this CRTC */
+ if (state->enable && !mdp5_crtc->ctl) {
+ mdp5_crtc->ctl = mdp5_ctlm_request(mdp5_kms->ctlm, crtc);
+ if (WARN_ON(!mdp5_crtc->ctl))
+ return -EINVAL;
+ }
+
+ /* verify that there are not too many planes attached to crtc
+ * and that we don't have conflicting mixer stages:
+ */
+ drm_atomic_crtc_state_for_each_plane(plane, state) {
+ struct drm_plane_state *pstate;
+
+ if (cnt >= ARRAY_SIZE(pstates)) {
+ dev_err(dev->dev, "too many planes!\n");
+ return -EINVAL;
+ }
+
+ pstate = state->state->plane_states[drm_plane_index(plane)];
+
+ /* plane might not have changed, in which case take
+ * current state:
+ */
+ if (!pstate)
+ pstate = plane->state;
+
+ pstates[cnt].plane = plane;
+ pstates[cnt].state = to_mdp5_plane_state(pstate);
+
+ cnt++;
+ }
+
+ sort(pstates, cnt, sizeof(pstates[0]), pstate_cmp, NULL);
+
+ for (i = 0; i < cnt; i++) {
+ pstates[i].state->stage = STAGE_BASE + i;
+ DBG("%s: assign pipe %s on stage=%d", mdp5_crtc->name,
+ pipe2name(mdp5_plane_pipe(pstates[i].plane)),
+ pstates[i].state->stage);
+ }
+
+ return 0;
+}
+
+static void mdp5_crtc_atomic_begin(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ DBG("%s: begin", mdp5_crtc->name);
+}
+
+static void mdp5_crtc_atomic_flush(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ unsigned long flags;
+
+ DBG("%s: event: %p", mdp5_crtc->name, crtc->state->event);
+
+ WARN_ON(mdp5_crtc->event);
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ mdp5_crtc->event = crtc->state->event;
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ /*
+ * If no CTL has been allocated in mdp5_crtc_atomic_check(),
+ * it means we are trying to flush a CRTC whose state is disabled:
+ * nothing else needs to be done.
+ */
+ if (unlikely(!mdp5_crtc->ctl))
+ return;
+
+ blend_setup(crtc);
+ crtc_flush_all(crtc);
+ request_pending(crtc, PENDING_FLIP);
+}
+
+static int mdp5_crtc_set_property(struct drm_crtc *crtc,
+ struct drm_property *property, uint64_t val)
+{
+ // XXX
+ return -EINVAL;
+}
+
+static void get_roi(struct drm_crtc *crtc, uint32_t *roi_w, uint32_t *roi_h)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ uint32_t xres = crtc->mode.hdisplay;
+ uint32_t yres = crtc->mode.vdisplay;
+
+ /*
+ * Cursor Region Of Interest (ROI) is a plane read from cursor
+ * buffer to render. The ROI region is determined by the visibility of
+ * the cursor point. In the default Cursor image the cursor point will
+ * be at the top left of the cursor image, unless it is specified
+ * otherwise using hotspot feature.
+ *
+ * If the cursor point reaches the right (xres - x < cursor.width) or
+ * bottom (yres - y < cursor.height) boundary of the screen, then ROI
+ * width and ROI height need to be evaluated to crop the cursor image
+ * accordingly.
+ * (xres-x) will be new cursor width when x > (xres - cursor.width)
+ * (yres-y) will be new cursor height when y > (yres - cursor.height)
+ */
+ *roi_w = min(mdp5_crtc->cursor.width, xres -
+ mdp5_crtc->cursor.x);
+ *roi_h = min(mdp5_crtc->cursor.height, yres -
+ mdp5_crtc->cursor.y);
+}
+
+static int mdp5_crtc_cursor_set(struct drm_crtc *crtc,
+ struct drm_file *file, uint32_t handle,
+ uint32_t width, uint32_t height)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ struct drm_gem_object *cursor_bo, *old_bo = NULL;
+ uint32_t blendcfg, cursor_addr, stride;
+ int ret, bpp, lm;
+ unsigned int depth;
+ enum mdp5_cursor_alpha cur_alpha = CURSOR_ALPHA_PER_PIXEL;
+ uint32_t flush_mask = mdp_ctl_flush_mask_cursor(0);
+ uint32_t roi_w, roi_h;
+ bool cursor_enable = true;
+ unsigned long flags;
+
+ if ((width > CURSOR_WIDTH) || (height > CURSOR_HEIGHT)) {
+ dev_err(dev->dev, "bad cursor size: %dx%d\n", width, height);
+ return -EINVAL;
+ }
+
+ if (NULL == mdp5_crtc->ctl)
+ return -EINVAL;
+
+ if (!handle) {
+ DBG("Cursor off");
+ cursor_enable = false;
+ goto set_cursor;
+ }
+
+ cursor_bo = drm_gem_object_lookup(dev, file, handle);
+ if (!cursor_bo)
+ return -ENOENT;
+
+ ret = msm_gem_get_iova(cursor_bo, mdp5_kms->id, &cursor_addr);
+ if (ret)
+ return -EINVAL;
+
+ lm = mdp5_crtc->lm;
+ drm_fb_get_bpp_depth(DRM_FORMAT_ARGB8888, &depth, &bpp);
+ stride = width * (bpp >> 3);
+
+ spin_lock_irqsave(&mdp5_crtc->cursor.lock, flags);
+ old_bo = mdp5_crtc->cursor.scanout_bo;
+
+ mdp5_crtc->cursor.scanout_bo = cursor_bo;
+ mdp5_crtc->cursor.width = width;
+ mdp5_crtc->cursor.height = height;
+
+ get_roi(crtc, &roi_w, &roi_h);
+
+ mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_STRIDE(lm), stride);
+ mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_FORMAT(lm),
+ MDP5_LM_CURSOR_FORMAT_FORMAT(CURSOR_FMT_ARGB8888));
+ mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_IMG_SIZE(lm),
+ MDP5_LM_CURSOR_IMG_SIZE_SRC_H(height) |
+ MDP5_LM_CURSOR_IMG_SIZE_SRC_W(width));
+ mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_SIZE(lm),
+ MDP5_LM_CURSOR_SIZE_ROI_H(roi_h) |
+ MDP5_LM_CURSOR_SIZE_ROI_W(roi_w));
+ mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_BASE_ADDR(lm), cursor_addr);
+
+ blendcfg = MDP5_LM_CURSOR_BLEND_CONFIG_BLEND_EN;
+ blendcfg |= MDP5_LM_CURSOR_BLEND_CONFIG_BLEND_ALPHA_SEL(cur_alpha);
+ mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_BLEND_CONFIG(lm), blendcfg);
+
+ spin_unlock_irqrestore(&mdp5_crtc->cursor.lock, flags);
+
+set_cursor:
+ ret = mdp5_ctl_set_cursor(mdp5_crtc->ctl, 0, cursor_enable);
+ if (ret) {
+ dev_err(dev->dev, "failed to %sable cursor: %d\n",
+ cursor_enable ? "en" : "dis", ret);
+ goto end;
+ }
+
+ crtc_flush(crtc, flush_mask);
+
+end:
+ if (old_bo) {
+ drm_flip_work_queue(&mdp5_crtc->unref_cursor_work, old_bo);
+ /* enable vblank to complete cursor work: */
+ request_pending(crtc, PENDING_CURSOR);
+ }
+ return ret;
+}
+
+static int mdp5_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
+{
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ uint32_t flush_mask = mdp_ctl_flush_mask_cursor(0);
+ uint32_t roi_w;
+ uint32_t roi_h;
+ unsigned long flags;
+
+ /* In case the CRTC is disabled, just drop the cursor update */
+ if (unlikely(!crtc->state->enable))
+ return 0;
+
+ mdp5_crtc->cursor.x = x = max(x, 0);
+ mdp5_crtc->cursor.y = y = max(y, 0);
+
+ get_roi(crtc, &roi_w, &roi_h);
+
+ spin_lock_irqsave(&mdp5_crtc->cursor.lock, flags);
+ mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_SIZE(mdp5_crtc->lm),
+ MDP5_LM_CURSOR_SIZE_ROI_H(roi_h) |
+ MDP5_LM_CURSOR_SIZE_ROI_W(roi_w));
+ mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_START_XY(mdp5_crtc->lm),
+ MDP5_LM_CURSOR_START_XY_Y_START(y) |
+ MDP5_LM_CURSOR_START_XY_X_START(x));
+ spin_unlock_irqrestore(&mdp5_crtc->cursor.lock, flags);
+
+ crtc_flush(crtc, flush_mask);
+
+ return 0;
+}
+
+static const struct drm_crtc_funcs mdp5_crtc_funcs = {
+ .set_config = drm_atomic_helper_set_config,
+ .destroy = mdp5_crtc_destroy,
+ .page_flip = drm_atomic_helper_page_flip,
+ .set_property = mdp5_crtc_set_property,
+ .reset = drm_atomic_helper_crtc_reset,
+ .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+ .cursor_set = mdp5_crtc_cursor_set,
+ .cursor_move = mdp5_crtc_cursor_move,
+};
+
+static const struct drm_crtc_helper_funcs mdp5_crtc_helper_funcs = {
+ .mode_fixup = mdp5_crtc_mode_fixup,
+ .mode_set_nofb = mdp5_crtc_mode_set_nofb,
+ .disable = mdp5_crtc_disable,
+ .enable = mdp5_crtc_enable,
+ .atomic_check = mdp5_crtc_atomic_check,
+ .atomic_begin = mdp5_crtc_atomic_begin,
+ .atomic_flush = mdp5_crtc_atomic_flush,
+};
+
+static void mdp5_crtc_vblank_irq(struct mdp_irq *irq, uint32_t irqstatus)
+{
+ struct mdp5_crtc *mdp5_crtc = container_of(irq, struct mdp5_crtc, vblank);
+ struct drm_crtc *crtc = &mdp5_crtc->base;
+ struct msm_drm_private *priv = crtc->dev->dev_private;
+ unsigned pending;
+
+ mdp_irq_unregister(&get_kms(crtc)->base, &mdp5_crtc->vblank);
+
+ pending = atomic_xchg(&mdp5_crtc->pending, 0);
+
+ if (pending & PENDING_FLIP) {
+ complete_flip(crtc, NULL);
+ }
+
+ if (pending & PENDING_CURSOR)
+ drm_flip_work_commit(&mdp5_crtc->unref_cursor_work, priv->wq);
+}
+
+static void mdp5_crtc_err_irq(struct mdp_irq *irq, uint32_t irqstatus)
+{
+ struct mdp5_crtc *mdp5_crtc = container_of(irq, struct mdp5_crtc, err);
+
+ DBG("%s: error: %08x", mdp5_crtc->name, irqstatus);
+}
+
+uint32_t mdp5_crtc_vblank(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ return mdp5_crtc->vblank.irqmask;
+}
+
+void mdp5_crtc_cancel_pending_flip(struct drm_crtc *crtc, struct drm_file *file)
+{
+ DBG("cancel: %p", file);
+ complete_flip(crtc, file);
+}
+
+/* set interface for routing crtc->encoder: */
+void mdp5_crtc_set_intf(struct drm_crtc *crtc, struct mdp5_interface *intf)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ int lm = mdp5_crtc_get_lm(crtc);
+
+ /* now that we know what irq's we want: */
+ mdp5_crtc->err.irqmask = intf2err(intf->num);
+
+ /* Register command mode Pingpong done as vblank for now,
+ * so that atomic commit should wait for it to finish.
+ * Ideally, in the future, we should take rd_ptr done as vblank,
+ * and let atomic commit wait for pingpong done for commond mode.
+ */
+ if (intf->mode == MDP5_INTF_DSI_MODE_COMMAND)
+ mdp5_crtc->vblank.irqmask = lm2ppdone(lm);
+ else
+ mdp5_crtc->vblank.irqmask = intf2vblank(lm, intf);
+ mdp_irq_update(&mdp5_kms->base);
+
+ mdp5_ctl_set_intf(mdp5_crtc->ctl, intf);
+}
+
+int mdp5_crtc_get_lm(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ return WARN_ON(!crtc) ? -EINVAL : mdp5_crtc->lm;
+}
+
+struct mdp5_ctl *mdp5_crtc_get_ctl(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ return WARN_ON(!crtc) ? NULL : mdp5_crtc->ctl;
+}
+
+/* initialize crtc */
+struct drm_crtc *mdp5_crtc_init(struct drm_device *dev,
+ struct drm_plane *plane, int id)
+{
+ struct drm_crtc *crtc = NULL;
+ struct mdp5_crtc *mdp5_crtc;
+
+ mdp5_crtc = kzalloc(sizeof(*mdp5_crtc), GFP_KERNEL);
+ if (!mdp5_crtc)
+ return ERR_PTR(-ENOMEM);
+
+ crtc = &mdp5_crtc->base;
+
+ mdp5_crtc->id = id;
+ mdp5_crtc->lm = GET_LM_ID(id);
+
+ spin_lock_init(&mdp5_crtc->lm_lock);
+ spin_lock_init(&mdp5_crtc->cursor.lock);
+
+ mdp5_crtc->vblank.irq = mdp5_crtc_vblank_irq;
+ mdp5_crtc->err.irq = mdp5_crtc_err_irq;
+
+ snprintf(mdp5_crtc->name, sizeof(mdp5_crtc->name), "%s:%d",
+ pipe2name(mdp5_plane_pipe(plane)), id);
+
+ drm_crtc_init_with_planes(dev, crtc, plane, NULL, &mdp5_crtc_funcs);
+
+ drm_flip_work_init(&mdp5_crtc->unref_cursor_work,
+ "unref cursor", unref_cursor_worker);
+
+ drm_crtc_helper_add(crtc, &mdp5_crtc_helper_funcs);
+ plane->crtc = crtc;
+
+ mdp5_plane_install_properties(plane, &crtc->base);
+
+ return crtc;
+}
Code Review / kvmfornfv.git / blobdiff