diff options
author | Detlev Casanova <detlev.casanova@collabora.com> | 2024-04-14 21:27:06 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-30 10:49:41 +0300 |
commit | 06133cececb89229e51d8cc33ff8e08e818de2b1 (patch) | |
tree | 09f4423dd04024f939bf1b287c29b803b618d1b8 | |
parent | 7105c63c32704c9d0d3144a99897166e61c87cb0 (diff) | |
download | linux-06133cececb89229e51d8cc33ff8e08e818de2b1.tar.xz |
drm/rockchip: vop2: Do not divide height twice for YUV
[ Upstream commit e80c219f52861e756181d7f88b0d341116daac2b ]
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: 604be85547ce ("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
Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c index fdd768bbd487..62ebbdb16253 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c @@ -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); |