From 08f87f769b595151be1afeff53e144f543faa614 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 06 Dec 2023 09:51:13 +0000
Subject: [PATCH] add dts config
---
kernel/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c | 207 +++++++++++++++++++++++++++++++++++++--------------
1 files changed, 151 insertions(+), 56 deletions(-)
diff --git a/kernel/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c b/kernel/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
index aa28a43..ff4f207 100644
--- a/kernel/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
+++ b/kernel/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
@@ -1,26 +1,18 @@
+// 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 <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 <drm/drm_fourcc.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_vblank.h>
#include "mdp5_kms.h"
@@ -173,8 +165,8 @@
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);
+ msm_gem_unpin_iova(val, kms->aspace);
+ drm_gem_object_put(val);
}
static void mdp5_crtc_destroy(struct drm_crtc *crtc)
@@ -222,7 +214,6 @@
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;
@@ -239,8 +230,6 @@
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);
@@ -384,14 +373,7 @@
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);
+ DBG("%s: set mode: " DRM_MODE_FMT, crtc->name, DRM_MODE_ARG(mode));
mixer_width = mode->hdisplay;
if (r_mixer)
@@ -421,6 +403,83 @@
}
spin_unlock_irqrestore(&mdp5_crtc->lm_lock, flags);
+}
+
+static struct drm_encoder *get_encoder_from_crtc(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_encoder *encoder;
+
+ drm_for_each_encoder(encoder, dev)
+ if (encoder->crtc == crtc)
+ return encoder;
+
+ return NULL;
+}
+
+static bool mdp5_crtc_get_scanout_position(struct drm_crtc *crtc,
+ bool in_vblank_irq,
+ int *vpos, int *hpos,
+ ktime_t *stime, ktime_t *etime,
+ const struct drm_display_mode *mode)
+{
+ unsigned int pipe = crtc->index;
+ struct drm_encoder *encoder;
+ int line, vsw, vbp, vactive_start, vactive_end, vfp_end;
+
+
+ encoder = get_encoder_from_crtc(crtc);
+ if (!encoder) {
+ DRM_ERROR("no encoder found for crtc %d\n", pipe);
+ return false;
+ }
+
+ vsw = mode->crtc_vsync_end - mode->crtc_vsync_start;
+ vbp = mode->crtc_vtotal - mode->crtc_vsync_end;
+
+ /*
+ * the line counter is 1 at the start of the VSYNC pulse and VTOTAL at
+ * the end of VFP. Translate the porch values relative to the line
+ * counter positions.
+ */
+
+ vactive_start = vsw + vbp + 1;
+
+ vactive_end = vactive_start + mode->crtc_vdisplay;
+
+ /* last scan line before VSYNC */
+ vfp_end = mode->crtc_vtotal;
+
+ if (stime)
+ *stime = ktime_get();
+
+ line = mdp5_encoder_get_linecount(encoder);
+
+ if (line < vactive_start)
+ line -= vactive_start;
+ else if (line > vactive_end)
+ line = line - vfp_end - vactive_start;
+ else
+ line -= vactive_start;
+
+ *vpos = line;
+ *hpos = 0;
+
+ if (etime)
+ *etime = ktime_get();
+
+ return true;
+}
+
+static u32 mdp5_crtc_get_vblank_counter(struct drm_crtc *crtc)
+{
+ struct drm_encoder *encoder;
+
+ encoder = get_encoder_from_crtc(crtc);
+ if (!encoder)
+ return 0;
+
+ return mdp5_encoder_get_framecount(encoder);
}
static void mdp5_crtc_atomic_disable(struct drm_crtc *crtc,
@@ -455,6 +514,18 @@
}
mdp5_crtc->enabled = false;
+}
+
+static void mdp5_crtc_vblank_on(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
+ struct mdp5_interface *intf = mdp5_cstate->pipeline.intf;
+ u32 count;
+
+ count = intf->mode == MDP5_INTF_DSI_MODE_COMMAND ? 0 : 0xffffffff;
+ drm_crtc_set_max_vblank_count(crtc, count);
+
+ drm_crtc_vblank_on(crtc);
}
static void mdp5_crtc_atomic_enable(struct drm_crtc *crtc,
@@ -493,7 +564,7 @@
}
/* Restore vblank irq handling after power is enabled */
- drm_crtc_vblank_on(crtc);
+ mdp5_crtc_vblank_on(crtc);
mdp5_crtc_mode_set_nofb(crtc);
@@ -537,9 +608,15 @@
if (ret)
return ret;
- mdp5_mixer_release(new_crtc_state->state, old_mixer);
+ ret = mdp5_mixer_release(new_crtc_state->state, old_mixer);
+ if (ret)
+ return ret;
+
if (old_r_mixer) {
- mdp5_mixer_release(new_crtc_state->state, old_r_mixer);
+ ret = mdp5_mixer_release(new_crtc_state->state, old_r_mixer);
+ if (ret)
+ return ret;
+
if (!need_right_mixer)
pipeline->r_mixer = NULL;
}
@@ -662,7 +739,7 @@
ret = mdp5_crtc_setup_pipeline(crtc, state, need_right_mixer);
if (ret) {
- dev_err(dev->dev, "couldn't assign mixers %d\n", ret);
+ DRM_DEV_ERROR(dev->dev, "couldn't assign mixers %d\n", ret);
return ret;
}
@@ -679,7 +756,7 @@
* 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",
+ DRM_DEV_ERROR(dev->dev, "too many planes! cnt=%d, start stage=%d\n",
cnt, start);
return -EINVAL;
}
@@ -789,6 +866,7 @@
static void mdp5_crtc_restore_cursor(struct drm_crtc *crtc)
{
+ const struct drm_format_info *info = drm_format_info(DRM_FORMAT_ARGB8888);
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);
@@ -807,7 +885,7 @@
width = mdp5_crtc->cursor.width;
height = mdp5_crtc->cursor.height;
- stride = width * drm_format_plane_cpp(DRM_FORMAT_ARGB8888, 0);
+ stride = width * info->cpp[0];
get_roi(crtc, &roi_w, &roi_h);
@@ -879,7 +957,7 @@
}
if ((width > CURSOR_WIDTH) || (height > CURSOR_HEIGHT)) {
- dev_err(dev->dev, "bad cursor size: %dx%d\n", width, height);
+ DRM_DEV_ERROR(dev->dev, "bad cursor size: %dx%d\n", width, height);
return -EINVAL;
}
@@ -887,7 +965,7 @@
if (!ctl)
return -EINVAL;
- /* don't support LM cursors when we we have source split enabled */
+ /* don't support LM cursors when we have source split enabled */
if (mdp5_cstate->pipeline.r_mixer)
return -EINVAL;
@@ -903,10 +981,12 @@
if (!cursor_bo)
return -ENOENT;
- ret = msm_gem_get_iova(cursor_bo, kms->aspace,
+ ret = msm_gem_get_and_pin_iova(cursor_bo, kms->aspace,
&mdp5_crtc->cursor.iova);
- if (ret)
+ if (ret) {
+ drm_gem_object_put(cursor_bo);
return -EINVAL;
+ }
pm_runtime_get_sync(&pdev->dev);
@@ -924,7 +1004,7 @@
set_cursor:
ret = mdp5_ctl_set_cursor(ctl, pipeline, 0, cursor_enable);
if (ret) {
- dev_err(dev->dev, "failed to %sable cursor: %d\n",
+ DRM_DEV_ERROR(dev->dev, "failed to %sable cursor: %d\n",
cursor_enable ? "en" : "dis", ret);
goto end;
}
@@ -958,7 +1038,7 @@
return -EINVAL;
}
- /* don't support LM cursors when we we have source split enabled */
+ /* don't support LM cursors when we have source split enabled */
if (mdp5_cstate->pipeline.r_mixer)
return -EINVAL;
@@ -1009,23 +1089,6 @@
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)
{
@@ -1053,6 +1116,31 @@
kfree(mdp5_cstate);
}
+static void mdp5_crtc_reset(struct drm_crtc *crtc)
+{
+ struct mdp5_crtc_state *mdp5_cstate =
+ kzalloc(sizeof(*mdp5_cstate), GFP_KERNEL);
+
+ if (crtc->state)
+ mdp5_crtc_destroy_state(crtc, crtc->state);
+
+ __drm_atomic_helper_crtc_reset(crtc, &mdp5_cstate->base);
+}
+
+static const struct drm_crtc_funcs mdp5_crtc_no_lm_cursor_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,
+ .atomic_print_state = mdp5_crtc_atomic_print_state,
+ .get_vblank_counter = mdp5_crtc_get_vblank_counter,
+ .enable_vblank = msm_crtc_enable_vblank,
+ .disable_vblank = msm_crtc_disable_vblank,
+ .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
+};
+
static const struct drm_crtc_funcs mdp5_crtc_funcs = {
.set_config = drm_atomic_helper_set_config,
.destroy = mdp5_crtc_destroy,
@@ -1063,6 +1151,10 @@
.cursor_set = mdp5_crtc_cursor_set,
.cursor_move = mdp5_crtc_cursor_move,
.atomic_print_state = mdp5_crtc_atomic_print_state,
+ .get_vblank_counter = mdp5_crtc_get_vblank_counter,
+ .enable_vblank = msm_crtc_enable_vblank,
+ .disable_vblank = msm_crtc_disable_vblank,
+ .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
};
static const struct drm_crtc_helper_funcs mdp5_crtc_helper_funcs = {
@@ -1072,6 +1164,7 @@
.atomic_flush = mdp5_crtc_atomic_flush,
.atomic_enable = mdp5_crtc_atomic_enable,
.atomic_disable = mdp5_crtc_atomic_disable,
+ .get_scanout_position = mdp5_crtc_get_scanout_position,
};
static void mdp5_crtc_vblank_irq(struct mdp_irq *irq, uint32_t irqstatus)
@@ -1105,7 +1198,7 @@
struct mdp5_crtc *mdp5_crtc = container_of(irq, struct mdp5_crtc,
pp_done);
- complete(&mdp5_crtc->pp_completion);
+ complete_all(&mdp5_crtc->pp_completion);
}
static void mdp5_crtc_wait_for_pp_done(struct drm_crtc *crtc)
@@ -1236,6 +1329,8 @@
mdp5_crtc->lm_cursor_enabled = cursor_plane ? false : true;
drm_crtc_init_with_planes(dev, crtc, plane, cursor_plane,
+ cursor_plane ?
+ &mdp5_crtc_no_lm_cursor_funcs :
&mdp5_crtc_funcs, NULL);
drm_flip_work_init(&mdp5_crtc->unref_cursor_work,
--
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