From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/video/fbdev/omap2/omapfb/dss/dispc.c | 139 ++--------------------------------------------
1 files changed, 7 insertions(+), 132 deletions(-)
diff --git a/kernel/drivers/video/fbdev/omap2/omapfb/dss/dispc.c b/kernel/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
index 0bd582e..b2d6e6d 100644
--- a/kernel/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
+++ b/kernel/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/drivers/video/omap2/dss/dispc.c
*
@@ -6,18 +7,6 @@
*
* Some code and ideas taken from drivers/video/omap/ driver
* by Imre Deak.
- *
- * 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/>.
*/
#define DSS_SUBSYS_NAME "DISPC"
@@ -571,11 +560,6 @@
}
EXPORT_SYMBOL(dispc_mgr_get_sync_lost_irq);
-u32 dispc_wb_get_framedone_irq(void)
-{
- return DISPC_IRQ_FRAMEDONEWB;
-}
-
bool dispc_mgr_go_busy(enum omap_channel channel)
{
return mgr_fld_read(channel, DISPC_MGR_FLD_GO) == 1;
@@ -592,30 +576,6 @@
mgr_fld_write(channel, DISPC_MGR_FLD_GO, 1);
}
EXPORT_SYMBOL(dispc_mgr_go);
-
-bool dispc_wb_go_busy(void)
-{
- return REG_GET(DISPC_CONTROL2, 6, 6) == 1;
-}
-
-void dispc_wb_go(void)
-{
- enum omap_plane plane = OMAP_DSS_WB;
- bool enable, go;
-
- enable = REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0) == 1;
-
- if (!enable)
- return;
-
- go = REG_GET(DISPC_CONTROL2, 6, 6) == 1;
- if (go) {
- DSSERR("GO bit not down for WB\n");
- return;
- }
-
- REG_FLD_MOD(DISPC_CONTROL2, 1, 6, 6);
-}
static void dispc_ovl_write_firh_reg(enum omap_plane plane, int reg, u32 value)
{
@@ -931,7 +891,7 @@
static void dispc_ovl_configure_burst_type(enum omap_plane plane,
enum omap_dss_rotation_type rotation_type)
{
- if (dss_has_feature(FEAT_BURST_2D) == 0)
+ if (!dss_has_feature(FEAT_BURST_2D))
return;
if (rotation_type == OMAP_DSS_ROT_TILER)
@@ -1040,13 +1000,6 @@
case 3:
return OMAP_DSS_CHANNEL_WB;
}
-}
-
-void dispc_wb_set_channel_in(enum dss_writeback_channel channel)
-{
- enum omap_plane plane = OMAP_DSS_WB;
-
- REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), channel, 18, 16);
}
static void dispc_ovl_set_burst_size(enum omap_plane plane,
@@ -1649,7 +1602,7 @@
{
int scale_x = out_width != orig_width;
int scale_y = out_height != orig_height;
- bool chroma_upscale = plane != OMAP_DSS_WB ? true : false;
+ bool chroma_upscale = plane != OMAP_DSS_WB;
if (!dss_has_feature(FEAT_HANDLE_UV_SEPARATE))
return;
@@ -1908,7 +1861,7 @@
if (color_mode == OMAP_DSS_COLOR_YUV2 ||
color_mode == OMAP_DSS_COLOR_UYVY)
width = width >> 1;
- /* fall through */
+ fallthrough;
case OMAP_DSS_ROT_90:
case OMAP_DSS_ROT_270:
*offset1 = 0;
@@ -1931,7 +1884,7 @@
if (color_mode == OMAP_DSS_COLOR_YUV2 ||
color_mode == OMAP_DSS_COLOR_UYVY)
width = width >> 1;
- /* fall through */
+ fallthrough;
case OMAP_DSS_ROT_90 + 4:
case OMAP_DSS_ROT_270 + 4:
*offset1 = 0;
@@ -2819,74 +2772,6 @@
}
EXPORT_SYMBOL(dispc_ovl_setup);
-int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
- bool mem_to_mem, const struct omap_video_timings *mgr_timings)
-{
- int r;
- u32 l;
- enum omap_plane plane = OMAP_DSS_WB;
- const int pos_x = 0, pos_y = 0;
- const u8 zorder = 0, global_alpha = 0;
- const bool replication = false;
- bool truncation;
- int in_width = mgr_timings->x_res;
- int in_height = mgr_timings->y_res;
- enum omap_overlay_caps caps =
- OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA;
-
- DSSDBG("dispc_wb_setup, pa %x, pa_uv %x, %d,%d -> %dx%d, cmode %x, "
- "rot %d, mir %d\n", wi->paddr, wi->p_uv_addr, in_width,
- in_height, wi->width, wi->height, wi->color_mode, wi->rotation,
- wi->mirror);
-
- r = dispc_ovl_setup_common(plane, caps, wi->paddr, wi->p_uv_addr,
- wi->buf_width, pos_x, pos_y, in_width, in_height, wi->width,
- wi->height, wi->color_mode, wi->rotation, wi->mirror, zorder,
- wi->pre_mult_alpha, global_alpha, wi->rotation_type,
- replication, mgr_timings, mem_to_mem);
-
- switch (wi->color_mode) {
- case OMAP_DSS_COLOR_RGB16:
- case OMAP_DSS_COLOR_RGB24P:
- case OMAP_DSS_COLOR_ARGB16:
- case OMAP_DSS_COLOR_RGBA16:
- case OMAP_DSS_COLOR_RGB12U:
- case OMAP_DSS_COLOR_ARGB16_1555:
- case OMAP_DSS_COLOR_XRGB16_1555:
- case OMAP_DSS_COLOR_RGBX16:
- truncation = true;
- break;
- default:
- truncation = false;
- break;
- }
-
- /* setup extra DISPC_WB_ATTRIBUTES */
- l = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
- l = FLD_MOD(l, truncation, 10, 10); /* TRUNCATIONENABLE */
- l = FLD_MOD(l, mem_to_mem, 19, 19); /* WRITEBACKMODE */
- if (mem_to_mem)
- l = FLD_MOD(l, 1, 26, 24); /* CAPTUREMODE */
- else
- l = FLD_MOD(l, 0, 26, 24); /* CAPTUREMODE */
- dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), l);
-
- if (mem_to_mem) {
- /* WBDELAYCOUNT */
- REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 7, 0);
- } else {
- int wbdelay;
-
- wbdelay = min(mgr_timings->vfp + mgr_timings->vsw +
- mgr_timings->vbp, 255);
-
- /* WBDELAYCOUNT */
- REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), wbdelay, 7, 0);
- }
-
- return r;
-}
-
int dispc_ovl_enable(enum omap_plane plane, bool enable)
{
DSSDBG("dispc_enable_plane %d, %d\n", plane, enable);
@@ -2916,16 +2801,6 @@
return !!mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE);
}
EXPORT_SYMBOL(dispc_mgr_is_enabled);
-
-void dispc_wb_enable(bool enable)
-{
- dispc_ovl_enable(OMAP_DSS_WB, enable);
-}
-
-bool dispc_wb_is_enabled(void)
-{
- return dispc_ovl_enabled(OMAP_DSS_WB);
-}
static void dispc_lcd_enable_signal_polarity(bool act_high)
{
@@ -3114,9 +2989,9 @@
unsigned long pclk)
{
if (dss_mgr_is_lcd(channel))
- return pclk <= dispc.feat->max_lcd_pclk ? true : false;
+ return pclk <= dispc.feat->max_lcd_pclk;
else
- return pclk <= dispc.feat->max_tv_pclk ? true : false;
+ return pclk <= dispc.feat->max_tv_pclk;
}
bool dispc_mgr_timings_ok(enum omap_channel channel,
--
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