From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/gpu/drm/arc/arcpgu_crtc.c | 68 ++++++++++-----------------------
1 files changed, 21 insertions(+), 47 deletions(-)
diff --git a/kernel/drivers/gpu/drm/arc/arcpgu_crtc.c b/kernel/drivers/gpu/drm/arc/arcpgu_crtc.c
index 965cda4..be7c29c 100644
--- a/kernel/drivers/gpu/drm/arc/arcpgu_crtc.c
+++ b/kernel/drivers/gpu/drm/arc/arcpgu_crtc.c
@@ -1,24 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ARC PGU DRM driver.
*
* Copyright (C) 2016 Synopsys, Inc. (www.synopsys.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.
- *
*/
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc_helper.h>
+#include <drm/drm_device.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_plane_helper.h>
+#include <drm/drm_probe_helper.h>
#include <linux/clk.h>
#include <linux/platform_data/simplefb.h>
@@ -27,9 +19,10 @@
#define ENCODE_PGU_XY(x, y) ((((x) - 1) << 16) | ((y) - 1))
-static struct simplefb_format supported_formats[] = {
- { "r5g6b5", 16, {11, 5}, {5, 6}, {0, 5}, {0, 0}, DRM_FORMAT_RGB565 },
- { "r8g8b8", 24, {16, 8}, {8, 8}, {0, 8}, {0, 0}, DRM_FORMAT_RGB888 },
+static const u32 arc_pgu_supported_formats[] = {
+ DRM_FORMAT_RGB565,
+ DRM_FORMAT_XRGB8888,
+ DRM_FORMAT_ARGB8888,
};
static void arc_pgu_set_pxl_fmt(struct drm_crtc *crtc)
@@ -37,22 +30,24 @@
struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc);
const struct drm_framebuffer *fb = crtc->primary->state->fb;
uint32_t pixel_format = fb->format->format;
- struct simplefb_format *format = NULL;
+ u32 format = DRM_FORMAT_INVALID;
int i;
+ u32 reg_ctrl;
- for (i = 0; i < ARRAY_SIZE(supported_formats); i++) {
- if (supported_formats[i].fourcc == pixel_format)
- format = &supported_formats[i];
+ for (i = 0; i < ARRAY_SIZE(arc_pgu_supported_formats); i++) {
+ if (arc_pgu_supported_formats[i] == pixel_format)
+ format = arc_pgu_supported_formats[i];
}
- if (WARN_ON(!format))
+ if (WARN_ON(format == DRM_FORMAT_INVALID))
return;
- if (format->fourcc == DRM_FORMAT_RGB888)
- arc_pgu_write(arcpgu, ARCPGU_REG_CTRL,
- arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) |
- ARCPGU_MODE_RGB888_MASK);
-
+ reg_ctrl = arc_pgu_read(arcpgu, ARCPGU_REG_CTRL);
+ if (format == DRM_FORMAT_RGB565)
+ reg_ctrl &= ~ARCPGU_MODE_XRGB8888;
+ else
+ reg_ctrl |= ARCPGU_MODE_XRGB8888;
+ arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, reg_ctrl);
}
static const struct drm_crtc_funcs arc_pgu_crtc_funcs = {
@@ -142,26 +137,9 @@
~ARCPGU_CTRL_ENABLE_MASK);
}
-static void arc_pgu_crtc_atomic_begin(struct drm_crtc *crtc,
- struct drm_crtc_state *state)
-{
- struct drm_pending_vblank_event *event = crtc->state->event;
-
- if (event) {
- crtc->state->event = NULL;
-
- spin_lock_irq(&crtc->dev->event_lock);
- drm_crtc_send_vblank_event(crtc, event);
- spin_unlock_irq(&crtc->dev->event_lock);
- }
-}
-
static const struct drm_crtc_helper_funcs arc_pgu_crtc_helper_funcs = {
.mode_valid = arc_pgu_crtc_mode_valid,
- .mode_set = drm_helper_crtc_mode_set,
- .mode_set_base = drm_helper_crtc_mode_set_base,
.mode_set_nofb = arc_pgu_crtc_mode_set_nofb,
- .atomic_begin = arc_pgu_crtc_atomic_begin,
.atomic_enable = arc_pgu_crtc_atomic_enable,
.atomic_disable = arc_pgu_crtc_atomic_disable,
};
@@ -186,7 +164,6 @@
static void arc_pgu_plane_destroy(struct drm_plane *plane)
{
- drm_plane_helper_disable(plane, NULL);
drm_plane_cleanup(plane);
}
@@ -203,18 +180,15 @@
{
struct arcpgu_drm_private *arcpgu = drm->dev_private;
struct drm_plane *plane = NULL;
- u32 formats[ARRAY_SIZE(supported_formats)], i;
int ret;
plane = devm_kzalloc(drm->dev, sizeof(*plane), GFP_KERNEL);
if (!plane)
return ERR_PTR(-ENOMEM);
- for (i = 0; i < ARRAY_SIZE(supported_formats); i++)
- formats[i] = supported_formats[i].fourcc;
-
ret = drm_universal_plane_init(drm, plane, 0xff, &arc_pgu_plane_funcs,
- formats, ARRAY_SIZE(formats),
+ arc_pgu_supported_formats,
+ ARRAY_SIZE(arc_pgu_supported_formats),
NULL,
DRM_PLANE_TYPE_PRIMARY, NULL);
if (ret)
--
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