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drm/rockchip: vop2: Do not divide height twice for YUV

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For the cbcr format, gt2 and gt4 are computed again after src_h has been
divided by vsub.

As src_h as already been divided by 2 before, introduce cbcr_src_h and
cbcr_src_w to keep a copy of those values to be used for cbcr gt2 and
gt4 computation.

This fixes yuv planes being unaligned vertically when down scaling to
1080 pixels from 2160.

Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Fixes: 604be85547 ("drm/rockchip: Add VOP2 driver")
Acked-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20240414182706.655270-1-detlev.casanova@collabora.com
This commit is contained in:
Detlev Casanova 2024-04-14 14:27:06 -04:00 committed by Heiko Stuebner
parent 069a6c0e94
commit e80c219f52
1 changed files with 12 additions and 10 deletions
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22
drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
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@ -706,6 +706,8 @@ static void vop2_setup_scale(struct vop2 *vop2, const struct vop2_win *win,
const struct drm_format_info *info;
u16 hor_scl_mode, ver_scl_mode;
u16 hscl_filter_mode, vscl_filter_mode;
uint16_t cbcr_src_w = src_w;
uint16_t cbcr_src_h = src_h;
u8 gt2 = 0;
u8 gt4 = 0;
u32 val;
@ -763,27 +765,27 @@ static void vop2_setup_scale(struct vop2 *vop2, const struct vop2_win *win,
vop2_win_write(win, VOP2_WIN_YRGB_VSCL_FILTER_MODE, vscl_filter_mode);
if (info->is_yuv) {
src_w /= info->hsub;
src_h /= info->vsub;
cbcr_src_w /= info->hsub;
cbcr_src_h /= info->vsub;
gt4 = 0;
gt2 = 0;
if (src_h >= (4 * dst_h)) {
if (cbcr_src_h >= (4 * dst_h)) {
gt4 = 1;
src_h >>= 2;
} else if (src_h >= (2 * dst_h)) {
cbcr_src_h >>= 2;
} else if (cbcr_src_h >= (2 * dst_h)) {
gt2 = 1;
src_h >>= 1;
cbcr_src_h >>= 1;
}
hor_scl_mode = scl_get_scl_mode(src_w, dst_w);
ver_scl_mode = scl_get_scl_mode(src_h, dst_h);
hor_scl_mode = scl_get_scl_mode(cbcr_src_w, dst_w);
ver_scl_mode = scl_get_scl_mode(cbcr_src_h, dst_h);
val = vop2_scale_factor(src_w, dst_w);
val = vop2_scale_factor(cbcr_src_w, dst_w);
vop2_win_write(win, VOP2_WIN_SCALE_CBCR_X, val);
val = vop2_scale_factor(src_h, dst_h);
val = vop2_scale_factor(cbcr_src_h, dst_h);
vop2_win_write(win, VOP2_WIN_SCALE_CBCR_Y, val);
vop2_win_write(win, VOP2_WIN_VSD_CBCR_GT4, gt4);