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drm/rockchip: vop2: Support 32x8 superblock afbc

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This is the only afbc format supported by the upcoming
VOP for rk3576.

Add support for it.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Tested-by: Michael Riesch <michael.riesch@wolfvision.net> # on RK3568
Tested-by: Detlev Casanova <detlev.casanova@collabora.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20241231090802.251787-2-andyshrk@163.com
This commit is contained in:
Andy Yan
2024-12-31 17:07:44 +08:00
committed by Heiko Stuebner
parent 2ea9ec5d2c
commit 938fbb16ab
1 changed files with 13 additions and 4 deletions
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17
drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
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@@ -1454,16 +1454,18 @@ static void vop2_plane_atomic_update(struct drm_plane *plane,
vop2_win_write(win, VOP2_WIN_AFBC_HALF_BLOCK_EN, half_block_en);
if (afbc_en) {
u32 stride;
u32 stride, block_w;
/* the afbc superblock is 16 x 16 or 32 x 8 */
block_w = fb->modifier & AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 ? 32 : 16;
/* the afbc superblock is 16 x 16 */
afbc_format = vop2_convert_afbc_format(fb->format->format);
/* Enable color transform for YTR */
if (fb->modifier & AFBC_FORMAT_MOD_YTR)
afbc_format |= (1 << 4);
afbc_tile_num = ALIGN(actual_w, 16) >> 4;
afbc_tile_num = ALIGN(actual_w, block_w) / block_w;
/*
* AFBC pic_vir_width is count by pixel, this is different
@@ -1474,6 +1476,9 @@ static void vop2_plane_atomic_update(struct drm_plane *plane,
drm_dbg_kms(vop2->drm, "vp%d %s stride[%d] not 64 pixel aligned\n",
vp->id, win->data->name, stride);
/* It's for head stride, each head size is 16 byte */
stride = ALIGN(stride, block_w) / block_w * 16;
uv_swap = vop2_afbc_uv_swap(fb->format->format);
/*
* This is a workaround for crazy IC design, Cluster
@@ -1504,7 +1509,11 @@ static void vop2_plane_atomic_update(struct drm_plane *plane,
else
vop2_win_write(win, VOP2_WIN_AFBC_AUTO_GATING_EN, 1);
vop2_win_write(win, VOP2_WIN_AFBC_BLOCK_SPLIT_EN, 0);
if (fb->modifier & AFBC_FORMAT_MOD_SPLIT)
vop2_win_write(win, VOP2_WIN_AFBC_BLOCK_SPLIT_EN, 1);
else
vop2_win_write(win, VOP2_WIN_AFBC_BLOCK_SPLIT_EN, 0);
transform_offset = vop2_afbc_transform_offset(pstate, half_block_en);
vop2_win_write(win, VOP2_WIN_AFBC_HDR_PTR, yrgb_mst);
vop2_win_write(win, VOP2_WIN_AFBC_PIC_SIZE, act_info);