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/atmel-hlcdc/atmel_hlcdc_plane.c | 229 +++++++++++++++++++++-----------------------------------
1 files changed, 87 insertions(+), 142 deletions(-)
diff --git a/kernel/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/kernel/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index e5b3ba7..40800ec 100644
--- a/kernel/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/kernel/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -1,21 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014 Free Electrons
* Copyright (C) 2014 Atmel
*
* Author: Boris BREZILLON <boris.brezillon@free-electrons.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/dmapool.h>
+#include <linux/mfd/atmel-hlcdc.h>
+
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_plane_helper.h>
#include "atmel_hlcdc_dc.h"
@@ -372,7 +371,7 @@
atmel_hlcdc_layer_write_cfg(&plane->layer, ATMEL_HLCDC_LAYER_DMA_CFG,
cfg);
- cfg = ATMEL_HLCDC_LAYER_DMA;
+ cfg = ATMEL_HLCDC_LAYER_DMA | ATMEL_HLCDC_LAYER_REP;
if (plane->base.type != DRM_PLANE_TYPE_PRIMARY) {
cfg |= ATMEL_HLCDC_LAYER_OVR | ATMEL_HLCDC_LAYER_ITER2BL |
@@ -549,7 +548,8 @@
ovl_state = drm_plane_state_to_atmel_hlcdc_plane_state(ovl_s);
- if (!ovl_s->fb ||
+ if (!ovl_s->visible ||
+ !ovl_s->fb ||
ovl_s->fb->format->has_alpha ||
ovl_s->alpha != DRM_BLEND_ALPHA_OPAQUE)
continue;
@@ -601,31 +601,30 @@
struct drm_framebuffer *fb = state->base.fb;
const struct drm_display_mode *mode;
struct drm_crtc_state *crtc_state;
- unsigned int patched_crtc_w;
- unsigned int patched_crtc_h;
- unsigned int patched_src_w;
- unsigned int patched_src_h;
- unsigned int tmp;
- int x_offset = 0;
- int y_offset = 0;
- int hsub = 1;
- int vsub = 1;
+ int ret;
int i;
- if (!state->base.crtc || !fb)
+ if (!state->base.crtc || WARN_ON(!fb))
return 0;
crtc_state = drm_atomic_get_existing_crtc_state(s->state, s->crtc);
mode = &crtc_state->adjusted_mode;
- state->src_x = s->src_x;
- state->src_y = s->src_y;
- state->src_h = s->src_h;
- state->src_w = s->src_w;
- state->crtc_x = s->crtc_x;
- state->crtc_y = s->crtc_y;
- state->crtc_h = s->crtc_h;
- state->crtc_w = s->crtc_w;
+ ret = drm_atomic_helper_check_plane_state(s, crtc_state,
+ (1 << 16) / 2048,
+ INT_MAX, true, true);
+ if (ret || !s->visible)
+ return ret;
+
+ state->src_x = s->src.x1;
+ state->src_y = s->src.y1;
+ state->src_w = drm_rect_width(&s->src);
+ state->src_h = drm_rect_height(&s->src);
+ state->crtc_x = s->dst.x1;
+ state->crtc_y = s->dst.y1;
+ state->crtc_w = drm_rect_width(&s->dst);
+ state->crtc_h = drm_rect_height(&s->dst);
+
if ((state->src_x | state->src_y | state->src_w | state->src_h) &
SUBPIXEL_MASK)
return -EINVAL;
@@ -639,52 +638,10 @@
if (state->nplanes > ATMEL_HLCDC_LAYER_MAX_PLANES)
return -EINVAL;
- /*
- * Swap width and size in case of 90 or 270 degrees rotation
- */
- if (drm_rotation_90_or_270(state->base.rotation)) {
- tmp = state->crtc_w;
- state->crtc_w = state->crtc_h;
- state->crtc_h = tmp;
- tmp = state->src_w;
- state->src_w = state->src_h;
- state->src_h = tmp;
- }
-
- if (state->crtc_x + state->crtc_w > mode->hdisplay)
- patched_crtc_w = mode->hdisplay - state->crtc_x;
- else
- patched_crtc_w = state->crtc_w;
-
- if (state->crtc_x < 0) {
- patched_crtc_w += state->crtc_x;
- x_offset = -state->crtc_x;
- state->crtc_x = 0;
- }
-
- if (state->crtc_y + state->crtc_h > mode->vdisplay)
- patched_crtc_h = mode->vdisplay - state->crtc_y;
- else
- patched_crtc_h = state->crtc_h;
-
- if (state->crtc_y < 0) {
- patched_crtc_h += state->crtc_y;
- y_offset = -state->crtc_y;
- state->crtc_y = 0;
- }
-
- patched_src_w = DIV_ROUND_CLOSEST(patched_crtc_w * state->src_w,
- state->crtc_w);
- patched_src_h = DIV_ROUND_CLOSEST(patched_crtc_h * state->src_h,
- state->crtc_h);
-
- hsub = drm_format_horz_chroma_subsampling(fb->format->format);
- vsub = drm_format_vert_chroma_subsampling(fb->format->format);
-
for (i = 0; i < state->nplanes; i++) {
unsigned int offset = 0;
- int xdiv = i ? hsub : 1;
- int ydiv = i ? vsub : 1;
+ int xdiv = i ? fb->format->hsub : 1;
+ int ydiv = i ? fb->format->vsub : 1;
state->bpp[i] = fb->format->cpp[i];
if (!state->bpp[i])
@@ -692,41 +649,38 @@
switch (state->base.rotation & DRM_MODE_ROTATE_MASK) {
case DRM_MODE_ROTATE_90:
- offset = ((y_offset + state->src_y + patched_src_w - 1) /
- ydiv) * fb->pitches[i];
- offset += ((x_offset + state->src_x) / xdiv) *
- state->bpp[i];
- state->xstride[i] = ((patched_src_w - 1) / ydiv) *
- fb->pitches[i];
- state->pstride[i] = -fb->pitches[i] - state->bpp[i];
- break;
- case DRM_MODE_ROTATE_180:
- offset = ((y_offset + state->src_y + patched_src_h - 1) /
- ydiv) * fb->pitches[i];
- offset += ((x_offset + state->src_x + patched_src_w - 1) /
- xdiv) * state->bpp[i];
- state->xstride[i] = ((((patched_src_w - 1) / xdiv) - 1) *
- state->bpp[i]) - fb->pitches[i];
- state->pstride[i] = -2 * state->bpp[i];
- break;
- case DRM_MODE_ROTATE_270:
- offset = ((y_offset + state->src_y) / ydiv) *
+ offset = (state->src_y / ydiv) *
fb->pitches[i];
- offset += ((x_offset + state->src_x + patched_src_h - 1) /
+ offset += ((state->src_x + state->src_w - 1) /
xdiv) * state->bpp[i];
- state->xstride[i] = -(((patched_src_w - 1) / ydiv) *
+ state->xstride[i] = -(((state->src_h - 1) / ydiv) *
fb->pitches[i]) -
(2 * state->bpp[i]);
state->pstride[i] = fb->pitches[i] - state->bpp[i];
break;
+ case DRM_MODE_ROTATE_180:
+ offset = ((state->src_y + state->src_h - 1) /
+ ydiv) * fb->pitches[i];
+ offset += ((state->src_x + state->src_w - 1) /
+ xdiv) * state->bpp[i];
+ state->xstride[i] = ((((state->src_w - 1) / xdiv) - 1) *
+ state->bpp[i]) - fb->pitches[i];
+ state->pstride[i] = -2 * state->bpp[i];
+ break;
+ case DRM_MODE_ROTATE_270:
+ offset = ((state->src_y + state->src_h - 1) /
+ ydiv) * fb->pitches[i];
+ offset += (state->src_x / xdiv) * state->bpp[i];
+ state->xstride[i] = ((state->src_h - 1) / ydiv) *
+ fb->pitches[i];
+ state->pstride[i] = -fb->pitches[i] - state->bpp[i];
+ break;
case DRM_MODE_ROTATE_0:
default:
- offset = ((y_offset + state->src_y) / ydiv) *
- fb->pitches[i];
- offset += ((x_offset + state->src_x) / xdiv) *
- state->bpp[i];
+ offset = (state->src_y / ydiv) * fb->pitches[i];
+ offset += (state->src_x / xdiv) * state->bpp[i];
state->xstride[i] = fb->pitches[i] -
- ((patched_src_w / xdiv) *
+ ((state->src_w / xdiv) *
state->bpp[i]);
state->pstride[i] = 0;
break;
@@ -735,20 +689,16 @@
state->offsets[i] = offset + fb->offsets[i];
}
- state->src_w = patched_src_w;
- state->src_h = patched_src_h;
- state->crtc_w = patched_crtc_w;
- state->crtc_h = patched_crtc_h;
+ /*
+ * Swap width and size in case of 90 or 270 degrees rotation
+ */
+ if (drm_rotation_90_or_270(state->base.rotation)) {
+ swap(state->src_w, state->src_h);
+ }
if (!desc->layout.size &&
(mode->hdisplay != state->crtc_w ||
mode->vdisplay != state->crtc_h))
- return -EINVAL;
-
- if (desc->max_height && state->crtc_h > desc->max_height)
- return -EINVAL;
-
- if (desc->max_width && state->crtc_w > desc->max_width)
return -EINVAL;
if ((state->crtc_h != state->src_h || state->crtc_w != state->src_w) &&
@@ -756,14 +706,26 @@
state->base.fb->format->has_alpha))
return -EINVAL;
- if (state->crtc_x < 0 || state->crtc_y < 0)
- return -EINVAL;
-
- if (state->crtc_w + state->crtc_x > mode->hdisplay ||
- state->crtc_h + state->crtc_y > mode->vdisplay)
- return -EINVAL;
-
return 0;
+}
+
+static void atmel_hlcdc_plane_atomic_disable(struct drm_plane *p,
+ struct drm_plane_state *old_state)
+{
+ struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p);
+
+ /* Disable interrupts */
+ atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_HLCDC_LAYER_IDR,
+ 0xffffffff);
+
+ /* Disable the layer */
+ atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_HLCDC_LAYER_CHDR,
+ ATMEL_HLCDC_LAYER_RST |
+ ATMEL_HLCDC_LAYER_A2Q |
+ ATMEL_HLCDC_LAYER_UPDATE);
+
+ /* Clear all pending interrupts */
+ atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_HLCDC_LAYER_ISR);
}
static void atmel_hlcdc_plane_atomic_update(struct drm_plane *p,
@@ -776,6 +738,11 @@
if (!p->state->crtc || !p->state->fb)
return;
+
+ if (!state->base.visible) {
+ atmel_hlcdc_plane_atomic_disable(p, old_s);
+ return;
+ }
atmel_hlcdc_plane_update_pos_and_size(plane, state);
atmel_hlcdc_plane_update_general_settings(plane, state);
@@ -796,25 +763,6 @@
ATMEL_HLCDC_LAYER_UPDATE |
(sr & ATMEL_HLCDC_LAYER_EN ?
ATMEL_HLCDC_LAYER_A2Q : ATMEL_HLCDC_LAYER_EN));
-}
-
-static void atmel_hlcdc_plane_atomic_disable(struct drm_plane *p,
- struct drm_plane_state *old_state)
-{
- struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p);
-
- /* Disable interrupts */
- atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_HLCDC_LAYER_IDR,
- 0xffffffff);
-
- /* Disable the layer */
- atmel_hlcdc_layer_write_reg(&plane->layer, ATMEL_HLCDC_LAYER_CHDR,
- ATMEL_HLCDC_LAYER_RST |
- ATMEL_HLCDC_LAYER_A2Q |
- ATMEL_HLCDC_LAYER_UPDATE);
-
- /* Clear all pending interrupts */
- atmel_hlcdc_layer_read_reg(&plane->layer, ATMEL_HLCDC_LAYER_ISR);
}
static int atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane)
@@ -942,10 +890,7 @@
"Failed to allocate initial plane state\n");
return;
}
-
- p->state = &state->base;
- p->state->alpha = DRM_BLEND_ALPHA_OPAQUE;
- p->state->plane = p;
+ __drm_atomic_helper_plane_reset(p, &state->base);
}
}
--
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