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| author | Liu Ying <gnuiyl@gmail.com> | 2016-10-10 14:50:06 +0800 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2016-10-18 11:02:10 +0200 |
| commit | 43daa01323da37a3692cabe1579ef5c2c4372e06 (patch) | |
| tree | 009cca999fd1d79c388b9f7e035dbf9a5674d24b /drivers/gpu/drm/imx | |
| parent | 4ad3e92c28057950c30ca19e32530eff9ee111bb (diff) | |
| download | linux-43daa01323da37a3692cabe1579ef5c2c4372e06.tar.bz2 | |
drm/imx: ipuv3-plane: Switch EBA buffer only when we don't need modeset
We added active plane reconfiguration support by forcing a full modeset
operation. So, looking at old_plane_state->fb to determine whether we need to
switch EBA buffer(for hardware double buffering) in ipu_plane_atomic_set_base()
or not is no more correct. Instead, we should do that only when we don't need
modeset, otherwise, we initialize the two EBA buffers with the buffer address.
Fixes: c6c1f9bc798b ("drm/imx: Add active plane reconfiguration support")
Cc: stable@vger.kernel.org # 4.8
Signed-off-by: Liu Ying <gnuiyl@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/imx')
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3-plane.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index ce22d0a0ddc8..f5861d9b0df7 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -108,6 +108,7 @@ static void ipu_plane_atomic_set_base(struct ipu_plane *ipu_plane, { struct drm_plane *plane = &ipu_plane->base; struct drm_plane_state *state = plane->state; + struct drm_crtc_state *crtc_state = state->crtc->state; struct drm_framebuffer *fb = state->fb; unsigned long eba, ubo, vbo; int active; @@ -149,7 +150,7 @@ static void ipu_plane_atomic_set_base(struct ipu_plane *ipu_plane, break; } - if (old_state->fb) { + if (!drm_atomic_crtc_needs_modeset(crtc_state)) { active = ipu_idmac_get_current_buffer(ipu_plane->ipu_ch); ipu_cpmem_set_buffer(ipu_plane->ipu_ch, !active, eba); ipu_idmac_select_buffer(ipu_plane->ipu_ch, !active); |