diff options
| author |   Sean Paul <seanpaul@chromium.org> | 2019-11-05 16:10:23 -0500 |
|---|---|---|
| committer |   CK Hu <ck.hu@mediatek.com> | 2019-11-06 16:00:45 +0800 |
| commit | b368d3ecab2db45a4fa296fe825d4ef6893f4620 (patch) | |
| tree | 68be9fd8b5b6395abf302dc522ee8998ebad6749 /drivers/gpu/drm/mediatek/mtk_disp_ovl.c | |
| parent | drm/mediatek: Support reflect-y plane rotation (diff) | |
| download | linux-dev-b368d3ecab2db45a4fa296fe825d4ef6893f4620.tar.xz linux-dev-b368d3ecab2db45a4fa296fe825d4ef6893f4620.zip | |
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: Sean Paul <seanpaul@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index fae10aead3d5..f4c4d3fedc5f 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -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)); |