drm/rockchip: vop: Correct RK3399 VOP register fields

Commit 7707f7227f09 ("drm/rockchip: Add support for afbc") switched up
the rk3399_vop_big[] register windows, but it did so incorrectly.

The biggest problem is in rk3288_win23_data[] vs.
rk3368_win23_data[] .format field:

  RK3288's format: VOP_REG(RK3288_WIN2_CTRL0, 0x7, 1)
  RK3368's format: VOP_REG(RK3368_WIN2_CTRL0, 0x3, 5)

Bits 5:6 (i.e., shift 5, mask 0x3) are correct for RK3399, according to
the TRM.

There are a few other small differences between the 3288 and 3368
definitions that were swapped in commit 7707f7227f09. I reviewed them to
the best of my ability according to the RK3399 TRM and fixed them up.

This fixes IOMMU issues (and display errors) when testing with BG24
color formats.

Fixes: 7707f7227f09 ("drm/rockchip: Add support for afbc")
Cc: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Tested-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220119161104.1.I1d01436bef35165a8cdfe9308789c0badb5ff46a@changeid

diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
index 1f7353f..798b542 100644 (file)
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -902,6 +902,7 @@ static const struct vop_win_phy rk3399_win01_data = {
        .enable = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 0),
        .format = VOP_REG(RK3288_WIN0_CTRL0, 0x7, 1),
        .rb_swap = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 12),
+       .x_mir_en = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 21),
        .y_mir_en = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 22),
        .act_info = VOP_REG(RK3288_WIN0_ACT_INFO, 0x1fff1fff, 0),
        .dsp_info = VOP_REG(RK3288_WIN0_DSP_INFO, 0x0fff0fff, 0),
@@ -912,6 +913,7 @@ static const struct vop_win_phy rk3399_win01_data = {
        .uv_vir = VOP_REG(RK3288_WIN0_VIR, 0x3fff, 16),
        .src_alpha_ctl = VOP_REG(RK3288_WIN0_SRC_ALPHA_CTRL, 0xff, 0),
        .dst_alpha_ctl = VOP_REG(RK3288_WIN0_DST_ALPHA_CTRL, 0xff, 0),
+       .channel = VOP_REG(RK3288_WIN0_CTRL2, 0xff, 0),
 };
 
 /*
@@ -922,11 +924,11 @@ static const struct vop_win_phy rk3399_win01_data = {
 static const struct vop_win_data rk3399_vop_win_data[] = {
        { .base = 0x00, .phy = &rk3399_win01_data,
          .type = DRM_PLANE_TYPE_PRIMARY },
-       { .base = 0x40, .phy = &rk3288_win01_data,
+       { .base = 0x40, .phy = &rk3368_win01_data,
          .type = DRM_PLANE_TYPE_OVERLAY },
-       { .base = 0x00, .phy = &rk3288_win23_data,
+       { .base = 0x00, .phy = &rk3368_win23_data,
          .type = DRM_PLANE_TYPE_OVERLAY },
-       { .base = 0x50, .phy = &rk3288_win23_data,
+       { .base = 0x50, .phy = &rk3368_win23_data,
          .type = DRM_PLANE_TYPE_CURSOR },
 };