diff options
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_vi_layer.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 82 |
1 files changed, 72 insertions, 10 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c index 8a0616238467..42d445d23773 100644 --- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c +++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) Jernej Skrabec <[email protected]> - * - * 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> @@ -15,7 +11,6 @@ #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_plane_helper.h> #include <drm/drm_probe_helper.h> -#include <drm/drmP.h> #include "sun8i_vi_layer.h" #include "sun8i_mixer.h" @@ -80,6 +75,8 @@ static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel, 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", @@ -137,12 +134,41 @@ static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel, 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, @@ -153,6 +179,23 @@ static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel, 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); @@ -188,7 +231,9 @@ static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel, 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); + sun8i_csc_set_ccsc_coefficients(mixer, channel, fmt_info->csc, + state->color_encoding, + state->color_range); sun8i_csc_enable_ccsc(mixer, channel, true); } else { sun8i_csc_enable_ccsc(mixer, channel, false); @@ -397,6 +442,7 @@ struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm, struct sun8i_mixer *mixer, int index) { + u32 supported_encodings, supported_ranges; struct sun8i_vi_layer *layer; unsigned int plane_cnt; int ret; @@ -425,6 +471,22 @@ struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm, 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; |