From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 237 +++++++++++++++++++++++++++++++++++++++++++++++++----------
1 files changed, 197 insertions(+), 40 deletions(-)
diff --git a/kernel/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/kernel/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
index 15fc636..76393fc 100644
--- a/kernel/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
+++ b/kernel/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
@@ -1,30 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) Jernej Skrabec <jernej.skrabec@siol.net>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
*/
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_plane_helper.h>
-#include <drm/drmP.h>
+#include <drm/drm_probe_helper.h>
-#include "sun8i_vi_layer.h"
+#include "sun8i_csc.h"
#include "sun8i_mixer.h"
+#include "sun8i_vi_layer.h"
#include "sun8i_vi_scaler.h"
static void sun8i_vi_layer_enable(struct sun8i_mixer *mixer, int channel,
int overlay, bool enable, unsigned int zpos,
unsigned int old_zpos)
{
- u32 val;
+ u32 val, bld_base, ch_base;
+
+ bld_base = sun8i_blender_base(mixer);
+ ch_base = sun8i_channel_base(mixer, channel);
DRM_DEBUG_DRIVER("%sabling VI channel %d overlay %d\n",
enable ? "En" : "Dis", channel, overlay);
@@ -35,17 +35,17 @@
val = 0;
regmap_update_bits(mixer->engine.regs,
- SUN8I_MIXER_CHAN_VI_LAYER_ATTR(channel, overlay),
+ SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay),
SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN, val);
if (!enable || zpos != old_zpos) {
regmap_update_bits(mixer->engine.regs,
- SUN8I_MIXER_BLEND_PIPE_CTL,
+ SUN8I_MIXER_BLEND_PIPE_CTL(bld_base),
SUN8I_MIXER_BLEND_PIPE_CTL_EN(old_zpos),
0);
regmap_update_bits(mixer->engine.regs,
- SUN8I_MIXER_BLEND_ROUTE,
+ SUN8I_MIXER_BLEND_ROUTE(bld_base),
SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(old_zpos),
0);
}
@@ -54,12 +54,13 @@
val = SUN8I_MIXER_BLEND_PIPE_CTL_EN(zpos);
regmap_update_bits(mixer->engine.regs,
- SUN8I_MIXER_BLEND_PIPE_CTL, val, val);
+ SUN8I_MIXER_BLEND_PIPE_CTL(bld_base),
+ val, val);
val = channel << SUN8I_MIXER_BLEND_ROUTE_PIPE_SHIFT(zpos);
regmap_update_bits(mixer->engine.regs,
- SUN8I_MIXER_BLEND_ROUTE,
+ SUN8I_MIXER_BLEND_ROUTE(bld_base),
SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(zpos),
val);
}
@@ -72,12 +73,18 @@
struct drm_plane_state *state = plane->state;
const struct drm_format_info *format = state->fb->format;
u32 src_w, src_h, dst_w, dst_h;
+ u32 bld_base, ch_base;
u32 outsize, insize;
u32 hphase, vphase;
+ u32 hn = 0, hm = 0;
+ u32 vn = 0, vm = 0;
bool subsampled;
DRM_DEBUG_DRIVER("Updating VI channel %d overlay %d\n",
channel, overlay);
+
+ bld_base = sun8i_blender_base(mixer);
+ ch_base = sun8i_channel_base(mixer, channel);
src_w = drm_rect_width(&state->src) >> 16;
src_h = drm_rect_height(&state->src) >> 16;
@@ -115,10 +122,10 @@
(state->src.y1 >> 16) & ~(format->vsub - 1));
DRM_DEBUG_DRIVER("Layer source size W: %d H: %d\n", src_w, src_h);
regmap_write(mixer->engine.regs,
- SUN8I_MIXER_CHAN_VI_LAYER_SIZE(channel, overlay),
+ SUN8I_MIXER_CHAN_VI_LAYER_SIZE(ch_base, overlay),
insize);
regmap_write(mixer->engine.regs,
- SUN8I_MIXER_CHAN_VI_OVL_SIZE(channel),
+ SUN8I_MIXER_CHAN_VI_OVL_SIZE(ch_base),
insize);
/*
@@ -128,12 +135,41 @@
subsampled = format->hsub > 1 || format->vsub > 1;
if (insize != outsize || subsampled || hphase || vphase) {
- u32 hscale, vscale;
+ unsigned int scanline, required;
+ struct drm_display_mode *mode;
+ u32 hscale, vscale, fps;
+ u64 ability;
DRM_DEBUG_DRIVER("HW scaling is enabled\n");
- hscale = state->src_w / state->crtc_w;
- vscale = state->src_h / state->crtc_h;
+ mode = &plane->state->crtc->state->mode;
+ fps = (mode->clock * 1000) / (mode->vtotal * mode->htotal);
+ ability = clk_get_rate(mixer->mod_clk);
+ /* BSP algorithm assumes 80% efficiency of VI scaler unit */
+ ability *= 80;
+ do_div(ability, mode->vdisplay * fps * max(src_w, dst_w));
+
+ required = src_h * 100 / dst_h;
+
+ if (ability < required) {
+ DRM_DEBUG_DRIVER("Using vertical coarse scaling\n");
+ vm = src_h;
+ vn = (u32)ability * dst_h / 100;
+ src_h = vn;
+ }
+
+ /* it seems that every RGB scaler has buffer for 2048 pixels */
+ scanline = subsampled ? mixer->cfg->scanline_yuv : 2048;
+
+ if (src_w > scanline) {
+ DRM_DEBUG_DRIVER("Using horizontal coarse scaling\n");
+ hm = src_w;
+ hn = scanline;
+ src_w = hn;
+ }
+
+ hscale = (src_w << 16) / dst_w;
+ vscale = (src_h << 16) / dst_h;
sun8i_vi_scaler_setup(mixer, channel, src_w, src_h, dst_w,
dst_h, hscale, vscale, hphase, vphase,
@@ -144,53 +180,101 @@
sun8i_vi_scaler_enable(mixer, channel, false);
}
+ regmap_write(mixer->engine.regs,
+ SUN8I_MIXER_CHAN_VI_HDS_Y(ch_base),
+ SUN8I_MIXER_CHAN_VI_DS_N(hn) |
+ SUN8I_MIXER_CHAN_VI_DS_M(hm));
+ regmap_write(mixer->engine.regs,
+ SUN8I_MIXER_CHAN_VI_HDS_UV(ch_base),
+ SUN8I_MIXER_CHAN_VI_DS_N(hn) |
+ SUN8I_MIXER_CHAN_VI_DS_M(hm));
+ regmap_write(mixer->engine.regs,
+ SUN8I_MIXER_CHAN_VI_VDS_Y(ch_base),
+ SUN8I_MIXER_CHAN_VI_DS_N(vn) |
+ SUN8I_MIXER_CHAN_VI_DS_M(vm));
+ regmap_write(mixer->engine.regs,
+ SUN8I_MIXER_CHAN_VI_VDS_UV(ch_base),
+ SUN8I_MIXER_CHAN_VI_DS_N(vn) |
+ SUN8I_MIXER_CHAN_VI_DS_M(vm));
+
/* Set base coordinates */
DRM_DEBUG_DRIVER("Layer destination coordinates X: %d Y: %d\n",
state->dst.x1, state->dst.y1);
DRM_DEBUG_DRIVER("Layer destination size W: %d H: %d\n", dst_w, dst_h);
regmap_write(mixer->engine.regs,
- SUN8I_MIXER_BLEND_ATTR_COORD(zpos),
+ SUN8I_MIXER_BLEND_ATTR_COORD(bld_base, zpos),
SUN8I_MIXER_COORD(state->dst.x1, state->dst.y1));
regmap_write(mixer->engine.regs,
- SUN8I_MIXER_BLEND_ATTR_INSIZE(zpos),
+ SUN8I_MIXER_BLEND_ATTR_INSIZE(bld_base, zpos),
outsize);
return 0;
+}
+
+static u32 sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format)
+{
+ if (!format->is_yuv)
+ return SUN8I_CSC_MODE_OFF;
+
+ switch (format->format) {
+ case DRM_FORMAT_YVU411:
+ case DRM_FORMAT_YVU420:
+ case DRM_FORMAT_YVU422:
+ case DRM_FORMAT_YVU444:
+ return SUN8I_CSC_MODE_YVU2RGB;
+ default:
+ return SUN8I_CSC_MODE_YUV2RGB;
+ }
}
static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel,
int overlay, struct drm_plane *plane)
{
struct drm_plane_state *state = plane->state;
- const struct de2_fmt_info *fmt_info;
- u32 val;
+ u32 val, ch_base, csc_mode, hw_fmt;
+ const struct drm_format_info *fmt;
+ int ret;
- fmt_info = sun8i_mixer_format_info(state->fb->format->format);
- if (!fmt_info) {
+ ch_base = sun8i_channel_base(mixer, channel);
+
+ fmt = state->fb->format;
+ ret = sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt);
+ if (ret) {
DRM_DEBUG_DRIVER("Invalid format\n");
- return -EINVAL;
+ return ret;
}
- val = fmt_info->de2_fmt << SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET;
+ val = hw_fmt << SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET;
regmap_update_bits(mixer->engine.regs,
- SUN8I_MIXER_CHAN_VI_LAYER_ATTR(channel, overlay),
+ SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay),
SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK, val);
- if (fmt_info->csc != SUN8I_CSC_MODE_OFF) {
- sun8i_csc_set_ccsc_coefficients(mixer, channel, fmt_info->csc);
+ csc_mode = sun8i_vi_layer_get_csc_mode(fmt);
+ if (csc_mode != SUN8I_CSC_MODE_OFF) {
+ sun8i_csc_set_ccsc_coefficients(mixer, channel, csc_mode,
+ state->color_encoding,
+ state->color_range);
sun8i_csc_enable_ccsc(mixer, channel, true);
} else {
sun8i_csc_enable_ccsc(mixer, channel, false);
}
- if (fmt_info->rgb)
+ if (!fmt->is_yuv)
val = SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE;
else
val = 0;
regmap_update_bits(mixer->engine.regs,
- SUN8I_MIXER_CHAN_VI_LAYER_ATTR(channel, overlay),
+ SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay),
SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE, val);
+
+ /* It seems that YUV formats use global alpha setting. */
+ if (mixer->cfg->is_de3)
+ regmap_update_bits(mixer->engine.regs,
+ SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base,
+ overlay),
+ SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK,
+ SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA(0xff));
return 0;
}
@@ -204,7 +288,10 @@
struct drm_gem_cma_object *gem;
u32 dx, dy, src_x, src_y;
dma_addr_t paddr;
+ u32 ch_base;
int i;
+
+ ch_base = sun8i_channel_base(mixer, channel);
/* Adjust x and y to be dividable by subsampling factor */
src_x = (state->src.x1 >> 16) & ~(format->hsub - 1);
@@ -235,17 +322,17 @@
DRM_DEBUG_DRIVER("Layer %d. line width: %d bytes\n",
i + 1, fb->pitches[i]);
regmap_write(mixer->engine.regs,
- SUN8I_MIXER_CHAN_VI_LAYER_PITCH(channel,
+ SUN8I_MIXER_CHAN_VI_LAYER_PITCH(ch_base,
overlay, i),
- fb->pitches[i]);
+ fb->pitches[i]);
DRM_DEBUG_DRIVER("Setting %d. buffer address to %pad\n",
i + 1, &paddr);
regmap_write(mixer->engine.regs,
- SUN8I_MIXER_CHAN_VI_LAYER_TOP_LADDR(channel,
+ SUN8I_MIXER_CHAN_VI_LAYER_TOP_LADDR(ch_base,
overlay, i),
- lower_32_bits(paddr));
+ lower_32_bits(paddr));
}
return 0;
@@ -314,7 +401,8 @@
true, zpos, old_zpos);
}
-static struct drm_plane_helper_funcs sun8i_vi_layer_helper_funcs = {
+static const struct drm_plane_helper_funcs sun8i_vi_layer_helper_funcs = {
+ .prepare_fb = drm_gem_fb_prepare_fb,
.atomic_check = sun8i_vi_layer_atomic_check,
.atomic_disable = sun8i_vi_layer_atomic_disable,
.atomic_update = sun8i_vi_layer_atomic_update,
@@ -368,23 +456,76 @@
DRM_FORMAT_YVU422,
};
+static const u32 sun8i_vi_layer_de3_formats[] = {
+ DRM_FORMAT_ABGR1555,
+ DRM_FORMAT_ABGR2101010,
+ DRM_FORMAT_ABGR4444,
+ DRM_FORMAT_ABGR8888,
+ DRM_FORMAT_ARGB1555,
+ DRM_FORMAT_ARGB2101010,
+ DRM_FORMAT_ARGB4444,
+ DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_BGR565,
+ DRM_FORMAT_BGR888,
+ DRM_FORMAT_BGRA1010102,
+ DRM_FORMAT_BGRA5551,
+ DRM_FORMAT_BGRA4444,
+ DRM_FORMAT_BGRA8888,
+ DRM_FORMAT_BGRX8888,
+ DRM_FORMAT_RGB565,
+ DRM_FORMAT_RGB888,
+ DRM_FORMAT_RGBA1010102,
+ DRM_FORMAT_RGBA4444,
+ DRM_FORMAT_RGBA5551,
+ DRM_FORMAT_RGBA8888,
+ DRM_FORMAT_RGBX8888,
+ DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_XRGB8888,
+
+ DRM_FORMAT_NV16,
+ DRM_FORMAT_NV12,
+ DRM_FORMAT_NV21,
+ DRM_FORMAT_NV61,
+ DRM_FORMAT_P010,
+ DRM_FORMAT_P210,
+ DRM_FORMAT_UYVY,
+ DRM_FORMAT_VYUY,
+ DRM_FORMAT_YUYV,
+ DRM_FORMAT_YVYU,
+ DRM_FORMAT_YUV411,
+ DRM_FORMAT_YUV420,
+ DRM_FORMAT_YUV422,
+ DRM_FORMAT_YVU411,
+ DRM_FORMAT_YVU420,
+ DRM_FORMAT_YVU422,
+};
+
struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
struct sun8i_mixer *mixer,
int index)
{
+ u32 supported_encodings, supported_ranges;
+ unsigned int plane_cnt, format_count;
struct sun8i_vi_layer *layer;
- unsigned int plane_cnt;
+ const u32 *formats;
int ret;
layer = devm_kzalloc(drm->dev, sizeof(*layer), GFP_KERNEL);
if (!layer)
return ERR_PTR(-ENOMEM);
+ if (mixer->cfg->is_de3) {
+ formats = sun8i_vi_layer_de3_formats;
+ format_count = ARRAY_SIZE(sun8i_vi_layer_de3_formats);
+ } else {
+ formats = sun8i_vi_layer_formats;
+ format_count = ARRAY_SIZE(sun8i_vi_layer_formats);
+ }
+
/* possible crtcs are set later */
ret = drm_universal_plane_init(drm, &layer->plane, 0,
&sun8i_vi_layer_funcs,
- sun8i_vi_layer_formats,
- ARRAY_SIZE(sun8i_vi_layer_formats),
+ formats, format_count,
NULL, DRM_PLANE_TYPE_OVERLAY, NULL);
if (ret) {
dev_err(drm->dev, "Couldn't initialize layer\n");
@@ -400,6 +541,22 @@
return ERR_PTR(ret);
}
+ supported_encodings = BIT(DRM_COLOR_YCBCR_BT601) |
+ BIT(DRM_COLOR_YCBCR_BT709);
+
+ supported_ranges = BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
+ BIT(DRM_COLOR_YCBCR_FULL_RANGE);
+
+ ret = drm_plane_create_color_properties(&layer->plane,
+ supported_encodings,
+ supported_ranges,
+ DRM_COLOR_YCBCR_BT709,
+ DRM_COLOR_YCBCR_LIMITED_RANGE);
+ if (ret) {
+ dev_err(drm->dev, "Couldn't add encoding and range properties!\n");
+ return ERR_PTR(ret);
+ }
+
drm_plane_helper_add(&layer->plane, &sun8i_vi_layer_helper_funcs);
layer->mixer = mixer;
layer->channel = index;
--
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