diff options
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 0e4da239cbeb..19b0d5083981 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -492,6 +492,7 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, unsigned int addr = pending->addr; unsigned int pitch_lsb = pending->pitch & GENMASK(15, 0); unsigned int fmt = pending->format; + unsigned int rotation = pending->rotation; unsigned int offset = (pending->y << 16) | pending->x; unsigned int src_size = (pending->height << 16) | pending->width; unsigned int blend_mode = state->base.pixel_blend_mode; @@ -524,12 +525,19 @@ void mtk_ovl_layer_config(struct device *dev, unsigned int idx, ignore_pixel_alpha = OVL_CONST_BLEND; } - if (pending->rotation & DRM_MODE_REFLECT_Y) { + /* + * Treat rotate 180 as flip x + flip y, and XOR the original rotation value + * to flip x + flip y to support both in the same time. + */ + if (rotation & DRM_MODE_ROTATE_180) + rotation ^= DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y; + + if (rotation & DRM_MODE_REFLECT_Y) { con |= OVL_CON_VIRT_FLIP; addr += (pending->height - 1) * pending->pitch; } - if (pending->rotation & DRM_MODE_REFLECT_X) { + if (rotation & DRM_MODE_REFLECT_X) { con |= OVL_CON_HORZ_FLIP; addr += pending->pitch - 1; } |