Setup the Amlogic FBC decoder for the VD1 video overlay plane to use a different superblock size for the Memory Saving mode.
Tested-by: Kevin Hilman khilman@baylibre.com Signed-off-by: Neil Armstrong narmstrong@baylibre.com --- drivers/gpu/drm/meson/meson_overlay.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/meson/meson_overlay.c b/drivers/gpu/drm/meson/meson_overlay.c index 51fa038ad5d7..8b9d4984b2a7 100644 --- a/drivers/gpu/drm/meson/meson_overlay.c +++ b/drivers/gpu/drm/meson/meson_overlay.c @@ -487,6 +487,9 @@ static void meson_overlay_atomic_update(struct drm_plane *plane, AFBC_HOLD_LINE_NUM(8) | AFBC_BURST_LEN(2);
+ if (fb->modifier & DRM_FORMAT_MOD_AMLOGIC_FBC_MEM_SAVING) + priv->viu.vd1_afbc_mode |= AFBC_BLK_MEM_MODE; + priv->viu.vd1_afbc_en = 0x1600 | AFBC_DEC_ENABLE;
priv->viu.vd1_afbc_conv_ctrl = AFBC_CONV_LBUF_LEN(256); @@ -672,12 +675,17 @@ static void meson_overlay_atomic_update(struct drm_plane *plane, }
if (priv->viu.vd1_afbc) { + /* Default mode is 4k per superblock */ + unsigned long block_size = 4096; unsigned long body_size;
- /* Default mode is 4k per superblock */ + /* 8bit mem saving mode is 3072bytes per superblock */ + if (priv->viu.vd1_afbc_mode & AFBC_BLK_MEM_MODE) + block_size = 3072; + body_size = (ALIGN(priv->viu.vd1_stride0, 64) / 64) * (ALIGN(priv->viu.vd1_height0, 32) / 32) * - 4096; + block_size;
priv->viu.vd1_afbc_body_addr = priv->viu.vd1_addr0 >> 4;
@@ -763,6 +771,8 @@ static const uint32_t supported_drm_formats[] = { };
static const uint64_t format_modifiers[] = { + DRM_FORMAT_MOD_AMLOGIC_FBC(DRM_FORMAT_MOD_AMLOGIC_FBC_LAYOUT_BASIC | + DRM_FORMAT_MOD_AMLOGIC_FBC_MEM_SAVING), DRM_FORMAT_MOD_AMLOGIC_FBC(DRM_FORMAT_MOD_AMLOGIC_FBC_LAYOUT_BASIC), DRM_FORMAT_MOD_LINEAR, DRM_FORMAT_MOD_INVALID,