Commit b368d3ec authored by Sean Paul's avatar Sean Paul Committed by CK Hu

drm/mediatek: Support reflect-x plane rotation

Add support for REFLECT_X rotations.

Cc: Fritz Koenig <frkoenig@chromium.org>
Cc: Daniele Castagna <dcastagna@chromium.org>
Cc: Miguel Casas <mcasas@chromium.org>
Cc: Mark Yacoub <markyacoub@google.com>
Signed-off-by: default avatarSean Paul <seanpaul@chromium.org>
Signed-off-by: default avatarCK Hu <ck.hu@mediatek.com>
parent 84d80575
......@@ -53,6 +53,7 @@
#define OVL_CON_AEN BIT(8)
#define OVL_CON_ALPHA 0xff
#define OVL_CON_VIRT_FLIP BIT(9)
#define OVL_CON_HORZ_FLIP BIT(10)
struct mtk_disp_ovl_data {
unsigned int addr;
......@@ -142,7 +143,8 @@ static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp)
static unsigned int mtk_ovl_supported_rotations(struct mtk_ddp_comp *comp)
{
return DRM_MODE_ROTATE_0 | DRM_MODE_REFLECT_Y;
return DRM_MODE_ROTATE_0 | DRM_MODE_REFLECT_Y |
DRM_MODE_REFLECT_X;
}
static int mtk_ovl_layer_check(struct mtk_ddp_comp *comp, unsigned int idx,
......@@ -153,6 +155,7 @@ static int mtk_ovl_layer_check(struct mtk_ddp_comp *comp, unsigned int idx,
rotation = drm_rotation_simplify(state->rotation,
DRM_MODE_ROTATE_0 |
DRM_MODE_REFLECT_X |
DRM_MODE_REFLECT_Y);
rotation &= ~DRM_MODE_ROTATE_0;
......@@ -269,6 +272,11 @@ static void mtk_ovl_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
addr += (pending->height - 1) * pending->pitch;
}
if (pending->rotation & DRM_MODE_REFLECT_X) {
con |= OVL_CON_HORZ_FLIP;
addr += pending->pitch - 1;
}
writel_relaxed(con, comp->regs + DISP_REG_OVL_CON(idx));
writel_relaxed(pitch, comp->regs + DISP_REG_OVL_PITCH(idx));
writel_relaxed(src_size, comp->regs + DISP_REG_OVL_SRC_SIZE(idx));
......
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