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path: root/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c')
-rw-r--r--drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c1203
1 files changed, 1203 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
new file mode 100644
index 000000000000..9893e43ba6c5
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
@@ -0,0 +1,1203 @@
+/*
+ * Copyright (c) 2014-2015 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 <linux/sort.h>
+#include <drm/drm_mode.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_flip_work.h>
+
+#include "mdp5_kms.h"
+
+#define CURSOR_WIDTH 64
+#define CURSOR_HEIGHT 64
+
+struct mdp5_crtc {
+ struct drm_crtc base;
+ int id;
+ bool enabled;
+
+ spinlock_t lm_lock; /* protect REG_MDP5_LM_* registers */
+
+ /* if there is a pending flip, these will be non-null: */
+ struct drm_pending_vblank_event *event;
+
+ /* Bits have been flushed at the last commit,
+ * used to decide if a vsync has happened since last commit.
+ */
+ u32 flushed_mask;
+
+#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 mdp_irq pp_done;
+
+ struct completion pp_completion;
+
+ bool lm_cursor_enabled;
+
+ 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;
+ uint64_t iova;
+ uint32_t width, height;
+ uint32_t x, y;
+ } cursor;
+};
+#define to_mdp5_crtc(x) container_of(x, struct mdp5_crtc, base)
+
+static void mdp5_crtc_restore_cursor(struct drm_crtc *crtc);
+
+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 request_pp_done_pending(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ reinit_completion(&mdp5_crtc->pp_completion);
+}
+
+static u32 crtc_flush(struct drm_crtc *crtc, u32 flush_mask)
+{
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct mdp5_ctl *ctl = mdp5_cstate->ctl;
+ struct mdp5_pipeline *pipeline = &mdp5_cstate->pipeline;
+ bool start = !mdp5_cstate->defer_start;
+
+ mdp5_cstate->defer_start = false;
+
+ DBG("%s: flush=%08x", crtc->name, flush_mask);
+
+ return mdp5_ctl_commit(ctl, pipeline, flush_mask, start);
+}
+
+/*
+ * 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 u32 crtc_flush_all(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct mdp5_hw_mixer *mixer, *r_mixer;
+ struct drm_plane *plane;
+ uint32_t flush_mask = 0;
+
+ /* this should not happen: */
+ if (WARN_ON(!mdp5_cstate->ctl))
+ return 0;
+
+ drm_atomic_crtc_for_each_plane(plane, crtc) {
+ if (!plane->state->visible)
+ continue;
+ flush_mask |= mdp5_plane_get_flush(plane);
+ }
+
+ mixer = mdp5_cstate->pipeline.mixer;
+ flush_mask |= mdp_ctl_flush_mask_lm(mixer->lm);
+
+ r_mixer = mdp5_cstate->pipeline.r_mixer;
+ if (r_mixer)
+ flush_mask |= mdp_ctl_flush_mask_lm(r_mixer->lm);
+
+ return 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_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct mdp5_pipeline *pipeline = &mdp5_cstate->pipeline;
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_ctl *ctl = mdp5_cstate->ctl;
+ struct drm_device *dev = crtc->dev;
+ struct drm_pending_vblank_event *event;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ event = mdp5_crtc->event;
+ if (event) {
+ mdp5_crtc->event = NULL;
+ DBG("%s: send event: %p", crtc->name, event);
+ drm_crtc_send_vblank_event(crtc, event);
+ }
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ if (ctl && !crtc->state->enable) {
+ /* set STAGE_UNUSED for all layers */
+ mdp5_ctl_blend(ctl, pipeline, NULL, NULL, 0, 0);
+ /* XXX: What to do here? */
+ /* 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);
+ struct msm_kms *kms = &mdp5_kms->base.base;
+
+ msm_gem_put_iova(val, kms->aspace);
+ drm_gem_object_put_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 inline u32 mdp5_lm_use_fg_alpha_mask(enum mdp_mixer_stage_id stage)
+{
+ switch (stage) {
+ case STAGE0: return MDP5_LM_BLEND_COLOR_OUT_STAGE0_FG_ALPHA;
+ case STAGE1: return MDP5_LM_BLEND_COLOR_OUT_STAGE1_FG_ALPHA;
+ case STAGE2: return MDP5_LM_BLEND_COLOR_OUT_STAGE2_FG_ALPHA;
+ case STAGE3: return MDP5_LM_BLEND_COLOR_OUT_STAGE3_FG_ALPHA;
+ case STAGE4: return MDP5_LM_BLEND_COLOR_OUT_STAGE4_FG_ALPHA;
+ case STAGE5: return MDP5_LM_BLEND_COLOR_OUT_STAGE5_FG_ALPHA;
+ case STAGE6: return MDP5_LM_BLEND_COLOR_OUT_STAGE6_FG_ALPHA;
+ default:
+ return 0;
+ }
+}
+
+/*
+ * left/right pipe offsets for the stage array used in blend_setup()
+ */
+#define PIPE_LEFT 0
+#define PIPE_RIGHT 1
+
+/*
+ * blend_setup() - blend all the planes of a CRTC
+ *
+ * If no base layer is available, border will be enabled as the base layer.
+ * Otherwise all layers will be blended based on their stage calculated
+ * in mdp5_crtc_atomic_check.
+ */
+static void blend_setup(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct mdp5_pipeline *pipeline = &mdp5_cstate->pipeline;
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ struct drm_plane *plane;
+ const struct mdp5_cfg_hw *hw_cfg;
+ struct mdp5_plane_state *pstate, *pstates[STAGE_MAX + 1] = {NULL};
+ const struct mdp_format *format;
+ struct mdp5_hw_mixer *mixer = pipeline->mixer;
+ uint32_t lm = mixer->lm;
+ struct mdp5_hw_mixer *r_mixer = pipeline->r_mixer;
+ uint32_t r_lm = r_mixer ? r_mixer->lm : 0;
+ struct mdp5_ctl *ctl = mdp5_cstate->ctl;
+ uint32_t blend_op, fg_alpha, bg_alpha, ctl_blend_flags = 0;
+ unsigned long flags;
+ enum mdp5_pipe stage[STAGE_MAX + 1][MAX_PIPE_STAGE] = { { SSPP_NONE } };
+ enum mdp5_pipe r_stage[STAGE_MAX + 1][MAX_PIPE_STAGE] = { { SSPP_NONE } };
+ int i, plane_cnt = 0;
+ bool bg_alpha_enabled = false;
+ u32 mixer_op_mode = 0;
+ u32 val;
+#define blender(stage) ((stage) - STAGE0)
+
+ 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: */
+ /* XXX: Can this happen now? */
+ if (!ctl)
+ goto out;
+
+ /* Collect all plane information */
+ drm_atomic_crtc_for_each_plane(plane, crtc) {
+ enum mdp5_pipe right_pipe;
+
+ if (!plane->state->visible)
+ continue;
+
+ pstate = to_mdp5_plane_state(plane->state);
+ pstates[pstate->stage] = pstate;
+ stage[pstate->stage][PIPE_LEFT] = mdp5_plane_pipe(plane);
+ /*
+ * if we have a right mixer, stage the same pipe as we
+ * have on the left mixer
+ */
+ if (r_mixer)
+ r_stage[pstate->stage][PIPE_LEFT] =
+ mdp5_plane_pipe(plane);
+ /*
+ * if we have a right pipe (i.e, the plane comprises of 2
+ * hwpipes, then stage the right pipe on the right side of both
+ * the layer mixers
+ */
+ right_pipe = mdp5_plane_right_pipe(plane);
+ if (right_pipe) {
+ stage[pstate->stage][PIPE_RIGHT] = right_pipe;
+ r_stage[pstate->stage][PIPE_RIGHT] = right_pipe;
+ }
+
+ plane_cnt++;
+ }
+
+ if (!pstates[STAGE_BASE]) {
+ ctl_blend_flags |= MDP5_CTL_BLEND_OP_FLAG_BORDER_OUT;
+ DBG("Border Color is enabled");
+ } else if (plane_cnt) {
+ format = to_mdp_format(msm_framebuffer_format(pstates[STAGE_BASE]->base.fb));
+
+ if (format->alpha_enable)
+ bg_alpha_enabled = true;
+ }
+
+ /* The reset for blending */
+ for (i = STAGE0; i <= STAGE_MAX; i++) {
+ if (!pstates[i])
+ continue;
+
+ format = to_mdp_format(
+ msm_framebuffer_format(pstates[i]->base.fb));
+ plane = pstates[i]->base.plane;
+ blend_op = MDP5_LM_BLEND_OP_MODE_FG_ALPHA(FG_CONST) |
+ MDP5_LM_BLEND_OP_MODE_BG_ALPHA(BG_CONST);
+ fg_alpha = pstates[i]->alpha;
+ bg_alpha = 0xFF - pstates[i]->alpha;
+
+ if (!format->alpha_enable && bg_alpha_enabled)
+ mixer_op_mode = 0;
+ else
+ mixer_op_mode |= mdp5_lm_use_fg_alpha_mask(i);
+
+ DBG("Stage %d fg_alpha %x bg_alpha %x", i, fg_alpha, bg_alpha);
+
+ if (format->alpha_enable && pstates[i]->premultiplied) {
+ blend_op = MDP5_LM_BLEND_OP_MODE_FG_ALPHA(FG_CONST) |
+ MDP5_LM_BLEND_OP_MODE_BG_ALPHA(FG_PIXEL);
+ if (fg_alpha != 0xff) {
+ bg_alpha = fg_alpha;
+ blend_op |=
+ MDP5_LM_BLEND_OP_MODE_BG_MOD_ALPHA |
+ MDP5_LM_BLEND_OP_MODE_BG_INV_MOD_ALPHA;
+ } else {
+ blend_op |= MDP5_LM_BLEND_OP_MODE_BG_INV_ALPHA;
+ }
+ } else if (format->alpha_enable) {
+ blend_op = MDP5_LM_BLEND_OP_MODE_FG_ALPHA(FG_PIXEL) |
+ MDP5_LM_BLEND_OP_MODE_BG_ALPHA(FG_PIXEL);
+ if (fg_alpha != 0xff) {
+ bg_alpha = fg_alpha;
+ blend_op |=
+ MDP5_LM_BLEND_OP_MODE_FG_MOD_ALPHA |
+ MDP5_LM_BLEND_OP_MODE_FG_INV_MOD_ALPHA |
+ MDP5_LM_BLEND_OP_MODE_BG_MOD_ALPHA |
+ MDP5_LM_BLEND_OP_MODE_BG_INV_MOD_ALPHA;
+ } else {
+ blend_op |= MDP5_LM_BLEND_OP_MODE_BG_INV_ALPHA;
+ }
+ }
+
+ mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_OP_MODE(lm,
+ blender(i)), blend_op);
+ mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_FG_ALPHA(lm,
+ blender(i)), fg_alpha);
+ mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_BG_ALPHA(lm,
+ blender(i)), bg_alpha);
+ if (r_mixer) {
+ mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_OP_MODE(r_lm,
+ blender(i)), blend_op);
+ mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_FG_ALPHA(r_lm,
+ blender(i)), fg_alpha);
+ mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_BG_ALPHA(r_lm,
+ blender(i)), bg_alpha);
+ }
+ }
+
+ val = mdp5_read(mdp5_kms, REG_MDP5_LM_BLEND_COLOR_OUT(lm));
+ mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_COLOR_OUT(lm),
+ val | mixer_op_mode);
+ if (r_mixer) {
+ val = mdp5_read(mdp5_kms, REG_MDP5_LM_BLEND_COLOR_OUT(r_lm));
+ mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_COLOR_OUT(r_lm),
+ val | mixer_op_mode);
+ }
+
+ mdp5_ctl_blend(ctl, pipeline, stage, r_stage, plane_cnt,
+ ctl_blend_flags);
+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_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ struct mdp5_hw_mixer *mixer = mdp5_cstate->pipeline.mixer;
+ struct mdp5_hw_mixer *r_mixer = mdp5_cstate->pipeline.r_mixer;
+ uint32_t lm = mixer->lm;
+ u32 mixer_width, val;
+ 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",
+ 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);
+
+ mixer_width = mode->hdisplay;
+ if (r_mixer)
+ mixer_width /= 2;
+
+ spin_lock_irqsave(&mdp5_crtc->lm_lock, flags);
+ mdp5_write(mdp5_kms, REG_MDP5_LM_OUT_SIZE(lm),
+ MDP5_LM_OUT_SIZE_WIDTH(mixer_width) |
+ MDP5_LM_OUT_SIZE_HEIGHT(mode->vdisplay));
+
+ /* Assign mixer to LEFT side in source split mode */
+ val = mdp5_read(mdp5_kms, REG_MDP5_LM_BLEND_COLOR_OUT(lm));
+ val &= ~MDP5_LM_BLEND_COLOR_OUT_SPLIT_LEFT_RIGHT;
+ mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_COLOR_OUT(lm), val);
+
+ if (r_mixer) {
+ u32 r_lm = r_mixer->lm;
+
+ mdp5_write(mdp5_kms, REG_MDP5_LM_OUT_SIZE(r_lm),
+ MDP5_LM_OUT_SIZE_WIDTH(mixer_width) |
+ MDP5_LM_OUT_SIZE_HEIGHT(mode->vdisplay));
+
+ /* Assign mixer to RIGHT side in source split mode */
+ val = mdp5_read(mdp5_kms, REG_MDP5_LM_BLEND_COLOR_OUT(r_lm));
+ val |= MDP5_LM_BLEND_COLOR_OUT_SPLIT_LEFT_RIGHT;
+ mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_COLOR_OUT(r_lm), val);
+ }
+
+ spin_unlock_irqrestore(&mdp5_crtc->lm_lock, flags);
+}
+
+static void mdp5_crtc_atomic_disable(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ struct device *dev = &mdp5_kms->pdev->dev;
+
+ DBG("%s", crtc->name);
+
+ if (WARN_ON(!mdp5_crtc->enabled))
+ return;
+
+ /* Disable/save vblank irq handling before power is disabled */
+ drm_crtc_vblank_off(crtc);
+
+ if (mdp5_cstate->cmd_mode)
+ mdp_irq_unregister(&mdp5_kms->base, &mdp5_crtc->pp_done);
+
+ mdp_irq_unregister(&mdp5_kms->base, &mdp5_crtc->err);
+ pm_runtime_put_sync(dev);
+
+ mdp5_crtc->enabled = false;
+}
+
+static void mdp5_crtc_atomic_enable(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ struct device *dev = &mdp5_kms->pdev->dev;
+
+ DBG("%s", crtc->name);
+
+ if (WARN_ON(mdp5_crtc->enabled))
+ return;
+
+ pm_runtime_get_sync(dev);
+
+ if (mdp5_crtc->lm_cursor_enabled) {
+ /*
+ * Restore LM cursor state, as it might have been lost
+ * with suspend:
+ */
+ if (mdp5_crtc->cursor.iova) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&mdp5_crtc->cursor.lock, flags);
+ mdp5_crtc_restore_cursor(crtc);
+ spin_unlock_irqrestore(&mdp5_crtc->cursor.lock, flags);
+
+ mdp5_ctl_set_cursor(mdp5_cstate->ctl,
+ &mdp5_cstate->pipeline, 0, true);
+ } else {
+ mdp5_ctl_set_cursor(mdp5_cstate->ctl,
+ &mdp5_cstate->pipeline, 0, false);
+ }
+ }
+
+ /* Restore vblank irq handling after power is enabled */
+ drm_crtc_vblank_on(crtc);
+
+ mdp5_crtc_mode_set_nofb(crtc);
+
+ mdp_irq_register(&mdp5_kms->base, &mdp5_crtc->err);
+
+ if (mdp5_cstate->cmd_mode)
+ mdp_irq_register(&mdp5_kms->base, &mdp5_crtc->pp_done);
+
+ mdp5_crtc->enabled = true;
+}
+
+int mdp5_crtc_setup_pipeline(struct drm_crtc *crtc,
+ struct drm_crtc_state *new_crtc_state,
+ bool need_right_mixer)
+{
+ struct mdp5_crtc_state *mdp5_cstate =
+ to_mdp5_crtc_state(new_crtc_state);
+ struct mdp5_pipeline *pipeline = &mdp5_cstate->pipeline;
+ struct mdp5_interface *intf;
+ bool new_mixer = false;
+
+ new_mixer = !pipeline->mixer;
+
+ if ((need_right_mixer && !pipeline->r_mixer) ||
+ (!need_right_mixer && pipeline->r_mixer))
+ new_mixer = true;
+
+ if (new_mixer) {
+ struct mdp5_hw_mixer *old_mixer = pipeline->mixer;
+ struct mdp5_hw_mixer *old_r_mixer = pipeline->r_mixer;
+ u32 caps;
+ int ret;
+
+ caps = MDP_LM_CAP_DISPLAY;
+ if (need_right_mixer)
+ caps |= MDP_LM_CAP_PAIR;
+
+ ret = mdp5_mixer_assign(new_crtc_state->state, crtc, caps,
+ &pipeline->mixer, need_right_mixer ?
+ &pipeline->r_mixer : NULL);
+ if (ret)
+ return ret;
+
+ mdp5_mixer_release(new_crtc_state->state, old_mixer);
+ if (old_r_mixer) {
+ mdp5_mixer_release(new_crtc_state->state, old_r_mixer);
+ if (!need_right_mixer)
+ pipeline->r_mixer = NULL;
+ }
+ }
+
+ /*
+ * these should have been already set up in the encoder's atomic
+ * check (called by drm_atomic_helper_check_modeset)
+ */
+ intf = pipeline->intf;
+
+ mdp5_cstate->err_irqmask = intf2err(intf->num);
+ mdp5_cstate->vblank_irqmask = intf2vblank(pipeline->mixer, intf);
+
+ if ((intf->type == INTF_DSI) &&
+ (intf->mode == MDP5_INTF_DSI_MODE_COMMAND)) {
+ mdp5_cstate->pp_done_irqmask = lm2ppdone(pipeline->mixer);
+ mdp5_cstate->cmd_mode = true;
+ } else {
+ mdp5_cstate->pp_done_irqmask = 0;
+ mdp5_cstate->cmd_mode = false;
+ }
+
+ return 0;
+}
+
+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;
+}
+
+/* is there a helper for this? */
+static bool is_fullscreen(struct drm_crtc_state *cstate,
+ struct drm_plane_state *pstate)
+{
+ return (pstate->crtc_x <= 0) && (pstate->crtc_y <= 0) &&
+ ((pstate->crtc_x + pstate->crtc_w) >= cstate->mode.hdisplay) &&
+ ((pstate->crtc_y + pstate->crtc_h) >= cstate->mode.vdisplay);
+}
+
+static enum mdp_mixer_stage_id get_start_stage(struct drm_crtc *crtc,
+ struct drm_crtc_state *new_crtc_state,
+ struct drm_plane_state *bpstate)
+{
+ struct mdp5_crtc_state *mdp5_cstate =
+ to_mdp5_crtc_state(new_crtc_state);
+
+ /*
+ * if we're in source split mode, it's mandatory to have
+ * border out on the base stage
+ */
+ if (mdp5_cstate->pipeline.r_mixer)
+ return STAGE0;
+
+ /* if the bottom-most layer is not fullscreen, we need to use
+ * it for solid-color:
+ */
+ if (!is_fullscreen(new_crtc_state, bpstate))
+ return STAGE0;
+
+ return STAGE_BASE;
+}
+
+static int mdp5_crtc_atomic_check(struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
+{
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ struct drm_plane *plane;
+ struct drm_device *dev = crtc->dev;
+ struct plane_state pstates[STAGE_MAX + 1];
+ const struct mdp5_cfg_hw *hw_cfg;
+ const struct drm_plane_state *pstate;
+ const struct drm_display_mode *mode = &state->adjusted_mode;
+ bool cursor_plane = false;
+ bool need_right_mixer = false;
+ int cnt = 0, i;
+ int ret;
+ enum mdp_mixer_stage_id start;
+
+ DBG("%s: check", crtc->name);
+
+ drm_atomic_crtc_state_for_each_plane_state(plane, pstate, state) {
+ if (!pstate->visible)
+ continue;
+
+ pstates[cnt].plane = plane;
+ pstates[cnt].state = to_mdp5_plane_state(pstate);
+
+ /*
+ * if any plane on this crtc uses 2 hwpipes, then we need
+ * the crtc to have a right hwmixer.
+ */
+ if (pstates[cnt].state->r_hwpipe)
+ need_right_mixer = true;
+ cnt++;
+
+ if (plane->type == DRM_PLANE_TYPE_CURSOR)
+ cursor_plane = true;
+ }
+
+ /* bail out early if there aren't any planes */
+ if (!cnt)
+ return 0;
+
+ hw_cfg = mdp5_cfg_get_hw_config(mdp5_kms->cfg);
+
+ /*
+ * we need a right hwmixer if the mode's width is greater than a single
+ * LM's max width
+ */
+ if (mode->hdisplay > hw_cfg->lm.max_width)
+ need_right_mixer = true;
+
+ ret = mdp5_crtc_setup_pipeline(crtc, state, need_right_mixer);
+ if (ret) {
+ dev_err(dev->dev, "couldn't assign mixers %d\n", ret);
+ return ret;
+ }
+
+ /* assign a stage based on sorted zpos property */
+ sort(pstates, cnt, sizeof(pstates[0]), pstate_cmp, NULL);
+
+ /* trigger a warning if cursor isn't the highest zorder */
+ WARN_ON(cursor_plane &&
+ (pstates[cnt - 1].plane->type != DRM_PLANE_TYPE_CURSOR));
+
+ start = get_start_stage(crtc, state, &pstates[0].state->base);
+
+ /* verify that there are not too many planes attached to crtc
+ * and that we don't have conflicting mixer stages:
+ */
+ if ((cnt + start - 1) >= hw_cfg->lm.nb_stages) {
+ dev_err(dev->dev, "too many planes! cnt=%d, start stage=%d\n",
+ cnt, start);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < cnt; i++) {
+ if (cursor_plane && (i == (cnt - 1)))
+ pstates[i].state->stage = hw_cfg->lm.nb_stages;
+ else
+ pstates[i].state->stage = start + i;
+ DBG("%s: assign pipe %s on stage=%d", crtc->name,
+ pstates[i].plane->name,
+ pstates[i].state->stage);
+ }
+
+ return 0;
+}
+
+static void mdp5_crtc_atomic_begin(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_crtc_state)
+{
+ DBG("%s: begin", crtc->name);
+}
+
+static void mdp5_crtc_atomic_flush(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_crtc_state)
+{
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct drm_device *dev = crtc->dev;
+ unsigned long flags;
+
+ DBG("%s: event: %p", 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.
+ */
+ /* XXX: Can this happen now ? */
+ if (unlikely(!mdp5_cstate->ctl))
+ return;
+
+ blend_setup(crtc);
+
+ /* PP_DONE irq is only used by command mode for now.
+ * It is better to request pending before FLUSH and START trigger
+ * to make sure no pp_done irq missed.
+ * This is safe because no pp_done will happen before SW trigger
+ * in command mode.
+ */
+ if (mdp5_cstate->cmd_mode)
+ request_pp_done_pending(crtc);
+
+ mdp5_crtc->flushed_mask = crtc_flush_all(crtc);
+
+ /* XXX are we leaking out state here? */
+ mdp5_crtc->vblank.irqmask = mdp5_cstate->vblank_irqmask;
+ mdp5_crtc->err.irqmask = mdp5_cstate->err_irqmask;
+ mdp5_crtc->pp_done.irqmask = mdp5_cstate->pp_done_irqmask;
+
+ request_pending(crtc, PENDING_FLIP);
+}
+
+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 void mdp5_crtc_restore_cursor(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ const enum mdp5_cursor_alpha cur_alpha = CURSOR_ALPHA_PER_PIXEL;
+ uint32_t blendcfg, stride;
+ uint32_t x, y, width, height;
+ uint32_t roi_w, roi_h;
+ int lm;
+
+ assert_spin_locked(&mdp5_crtc->cursor.lock);
+
+ lm = mdp5_cstate->pipeline.mixer->lm;
+
+ x = mdp5_crtc->cursor.x;
+ y = mdp5_crtc->cursor.y;
+ width = mdp5_crtc->cursor.width;
+ height = mdp5_crtc->cursor.height;
+
+ stride = width * drm_format_plane_cpp(DRM_FORMAT_ARGB8888, 0);
+
+ 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_START_XY(lm),
+ MDP5_LM_CURSOR_START_XY_Y_START(y) |
+ MDP5_LM_CURSOR_START_XY_X_START(x));
+ mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_BASE_ADDR(lm),
+ mdp5_crtc->cursor.iova);
+
+ 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);
+}
+
+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 mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct mdp5_pipeline *pipeline = &mdp5_cstate->pipeline;
+ struct drm_device *dev = crtc->dev;
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+ struct platform_device *pdev = mdp5_kms->pdev;
+ struct msm_kms *kms = &mdp5_kms->base.base;
+ struct drm_gem_object *cursor_bo, *old_bo = NULL;
+ struct mdp5_ctl *ctl;
+ int ret;
+ uint32_t flush_mask = mdp_ctl_flush_mask_cursor(0);
+ bool cursor_enable = true;
+ unsigned long flags;
+
+ if (!mdp5_crtc->lm_cursor_enabled) {
+ dev_warn(dev->dev,
+ "cursor_set is deprecated with cursor planes\n");
+ return -EINVAL;
+ }
+
+ if ((width > CURSOR_WIDTH) || (height > CURSOR_HEIGHT)) {
+ dev_err(dev->dev, "bad cursor size: %dx%d\n", width, height);
+ return -EINVAL;
+ }
+
+ ctl = mdp5_cstate->ctl;
+ if (!ctl)
+ return -EINVAL;
+
+ /* don't support LM cursors when we we have source split enabled */
+ if (mdp5_cstate->pipeline.r_mixer)
+ return -EINVAL;
+
+ if (!handle) {
+ DBG("Cursor off");
+ cursor_enable = false;
+ mdp5_crtc->cursor.iova = 0;
+ pm_runtime_get_sync(&pdev->dev);
+ goto set_cursor;
+ }
+
+ cursor_bo = drm_gem_object_lookup(file, handle);
+ if (!cursor_bo)
+ return -ENOENT;
+
+ ret = msm_gem_get_iova(cursor_bo, kms->aspace,
+ &mdp5_crtc->cursor.iova);
+ if (ret)
+ return -EINVAL;
+
+ pm_runtime_get_sync(&pdev->dev);
+
+ 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;
+
+ mdp5_crtc_restore_cursor(crtc);
+
+ spin_unlock_irqrestore(&mdp5_crtc->cursor.lock, flags);
+
+set_cursor:
+ ret = mdp5_ctl_set_cursor(ctl, pipeline, 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:
+ pm_runtime_put_sync(&pdev->dev);
+ 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);
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ uint32_t flush_mask = mdp_ctl_flush_mask_cursor(0);
+ struct drm_device *dev = crtc->dev;
+ uint32_t roi_w;
+ uint32_t roi_h;
+ unsigned long flags;
+
+ if (!mdp5_crtc->lm_cursor_enabled) {
+ dev_warn(dev->dev,
+ "cursor_move is deprecated with cursor planes\n");
+ return -EINVAL;
+ }
+
+ /* don't support LM cursors when we we have source split enabled */
+ if (mdp5_cstate->pipeline.r_mixer)
+ return -EINVAL;
+
+ /* 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);
+
+ pm_runtime_get_sync(&mdp5_kms->pdev->dev);
+
+ spin_lock_irqsave(&mdp5_crtc->cursor.lock, flags);
+ mdp5_crtc_restore_cursor(crtc);
+ spin_unlock_irqrestore(&mdp5_crtc->cursor.lock, flags);
+
+ crtc_flush(crtc, flush_mask);
+
+ pm_runtime_put_sync(&mdp5_kms->pdev->dev);
+
+ return 0;
+}
+
+static void
+mdp5_crtc_atomic_print_state(struct drm_printer *p,
+ const struct drm_crtc_state *state)
+{
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(state);
+ struct mdp5_pipeline *pipeline = &mdp5_cstate->pipeline;
+ struct mdp5_kms *mdp5_kms = get_kms(state->crtc);
+
+ if (WARN_ON(!pipeline))
+ return;
+
+ if (mdp5_cstate->ctl)
+ drm_printf(p, "\tctl=%d\n", mdp5_ctl_get_ctl_id(mdp5_cstate->ctl));
+
+ drm_printf(p, "\thwmixer=%s\n", pipeline->mixer ?
+ pipeline->mixer->name : "(null)");
+
+ if (mdp5_kms->caps & MDP_CAP_SRC_SPLIT)
+ drm_printf(p, "\tright hwmixer=%s\n", pipeline->r_mixer ?
+ pipeline->r_mixer->name : "(null)");
+
+ drm_printf(p, "\tcmd_mode=%d\n", mdp5_cstate->cmd_mode);
+}
+
+static void mdp5_crtc_reset(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc_state *mdp5_cstate;
+
+ if (crtc->state) {
+ __drm_atomic_helper_crtc_destroy_state(crtc->state);
+ kfree(to_mdp5_crtc_state(crtc->state));
+ }
+
+ mdp5_cstate = kzalloc(sizeof(*mdp5_cstate), GFP_KERNEL);
+
+ if (mdp5_cstate) {
+ mdp5_cstate->base.crtc = crtc;
+ crtc->state = &mdp5_cstate->base;
+ }
+}
+
+static struct drm_crtc_state *
+mdp5_crtc_duplicate_state(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc_state *mdp5_cstate;
+
+ if (WARN_ON(!crtc->state))
+ return NULL;
+
+ mdp5_cstate = kmemdup(to_mdp5_crtc_state(crtc->state),
+ sizeof(*mdp5_cstate), GFP_KERNEL);
+ if (!mdp5_cstate)
+ return NULL;
+
+ __drm_atomic_helper_crtc_duplicate_state(crtc, &mdp5_cstate->base);
+
+ return &mdp5_cstate->base;
+}
+
+static void mdp5_crtc_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state *state)
+{
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(state);
+
+ __drm_atomic_helper_crtc_destroy_state(state);
+
+ kfree(mdp5_cstate);
+}
+
+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,
+ .reset = mdp5_crtc_reset,
+ .atomic_duplicate_state = mdp5_crtc_duplicate_state,
+ .atomic_destroy_state = mdp5_crtc_destroy_state,
+ .cursor_set = mdp5_crtc_cursor_set,
+ .cursor_move = mdp5_crtc_cursor_move,
+ .atomic_print_state = mdp5_crtc_atomic_print_state,
+};
+
+static const struct drm_crtc_helper_funcs mdp5_crtc_helper_funcs = {
+ .mode_set_nofb = mdp5_crtc_mode_set_nofb,
+ .atomic_check = mdp5_crtc_atomic_check,
+ .atomic_begin = mdp5_crtc_atomic_begin,
+ .atomic_flush = mdp5_crtc_atomic_flush,
+ .atomic_enable = mdp5_crtc_atomic_enable,
+ .atomic_disable = mdp5_crtc_atomic_disable,
+};
+
+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->base.name, irqstatus);
+}
+
+static void mdp5_crtc_pp_done_irq(struct mdp_irq *irq, uint32_t irqstatus)
+{
+ struct mdp5_crtc *mdp5_crtc = container_of(irq, struct mdp5_crtc,
+ pp_done);
+
+ complete(&mdp5_crtc->pp_completion);
+}
+
+static void mdp5_crtc_wait_for_pp_done(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ int ret;
+
+ ret = wait_for_completion_timeout(&mdp5_crtc->pp_completion,
+ msecs_to_jiffies(50));
+ if (ret == 0)
+ dev_warn(dev->dev, "pp done time out, lm=%d\n",
+ mdp5_cstate->pipeline.mixer->lm);
+}
+
+static void mdp5_crtc_wait_for_flush_done(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct mdp5_ctl *ctl = mdp5_cstate->ctl;
+ int ret;
+
+ /* Should not call this function if crtc is disabled. */
+ if (!ctl)
+ return;
+
+ ret = drm_crtc_vblank_get(crtc);
+ if (ret)
+ return;
+
+ ret = wait_event_timeout(dev->vblank[drm_crtc_index(crtc)].queue,
+ ((mdp5_ctl_get_commit_status(ctl) &
+ mdp5_crtc->flushed_mask) == 0),
+ msecs_to_jiffies(50));
+ if (ret <= 0)
+ dev_warn(dev->dev, "vblank time out, crtc=%d\n", mdp5_crtc->id);
+
+ mdp5_crtc->flushed_mask = 0;
+
+ drm_crtc_vblank_put(crtc);
+}
+
+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_set_pipeline(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct mdp5_kms *mdp5_kms = get_kms(crtc);
+
+ /* should this be done elsewhere ? */
+ mdp_irq_update(&mdp5_kms->base);
+
+ mdp5_ctl_set_pipeline(mdp5_cstate->ctl, &mdp5_cstate->pipeline);
+}
+
+struct mdp5_ctl *mdp5_crtc_get_ctl(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+
+ return mdp5_cstate->ctl;
+}
+
+struct mdp5_hw_mixer *mdp5_crtc_get_mixer(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc_state *mdp5_cstate;
+
+ if (WARN_ON(!crtc))
+ return ERR_PTR(-EINVAL);
+
+ mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+
+ return WARN_ON(!mdp5_cstate->pipeline.mixer) ?
+ ERR_PTR(-EINVAL) : mdp5_cstate->pipeline.mixer;
+}
+
+struct mdp5_pipeline *mdp5_crtc_get_pipeline(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc_state *mdp5_cstate;
+
+ if (WARN_ON(!crtc))
+ return ERR_PTR(-EINVAL);
+
+ mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+
+ return &mdp5_cstate->pipeline;
+}
+
+void mdp5_crtc_wait_for_commit_done(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+
+ if (mdp5_cstate->cmd_mode)
+ mdp5_crtc_wait_for_pp_done(crtc);
+ else
+ mdp5_crtc_wait_for_flush_done(crtc);
+}
+
+/* initialize crtc */
+struct drm_crtc *mdp5_crtc_init(struct drm_device *dev,
+ struct drm_plane *plane,
+ struct drm_plane *cursor_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;
+
+ spin_lock_init(&mdp5_crtc->lm_lock);
+ spin_lock_init(&mdp5_crtc->cursor.lock);
+ init_completion(&mdp5_crtc->pp_completion);
+
+ mdp5_crtc->vblank.irq = mdp5_crtc_vblank_irq;
+ mdp5_crtc->err.irq = mdp5_crtc_err_irq;
+ mdp5_crtc->pp_done.irq = mdp5_crtc_pp_done_irq;
+
+ mdp5_crtc->lm_cursor_enabled = cursor_plane ? false : true;
+
+ drm_crtc_init_with_planes(dev, crtc, plane, cursor_plane,
+ &mdp5_crtc_funcs, NULL);
+
+ 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;
+
+ return crtc;
+}