diff options
Diffstat (limited to 'drivers/gpu/drm/imx/ipuv3-plane.c')
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3-plane.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 4ad67d0..ce22d0a 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -213,8 +213,12 @@ static void ipu_plane_enable(struct ipu_plane *ipu_plane) ipu_dp_enable_channel(ipu_plane->dp); } -static void ipu_plane_disable(struct ipu_plane *ipu_plane) +static int ipu_disable_plane(struct drm_plane *plane) { + struct ipu_plane *ipu_plane = to_ipu_plane(plane); + + DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + ipu_idmac_wait_busy(ipu_plane->ipu_ch, 50); if (ipu_plane->dp) @@ -223,15 +227,6 @@ static void ipu_plane_disable(struct ipu_plane *ipu_plane) ipu_dmfc_disable_channel(ipu_plane->dmfc); if (ipu_plane->dp) ipu_dp_disable(ipu_plane->ipu); -} - -static int ipu_disable_plane(struct drm_plane *plane) -{ - struct ipu_plane *ipu_plane = to_ipu_plane(plane); - - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - - ipu_plane_disable(ipu_plane); return 0; } @@ -242,7 +237,6 @@ static void ipu_plane_destroy(struct drm_plane *plane) DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - ipu_disable_plane(plane); drm_plane_cleanup(plane); kfree(ipu_plane); } @@ -319,13 +313,16 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, return -EINVAL; /* - * since we cannot touch active IDMAC channels, we do not support - * resizing the enabled plane or changing its format + * We support resizing active plane or changing its format by + * forcing CRTC mode change in plane's ->atomic_check callback + * and disabling all affected active planes in CRTC's ->atomic_disable + * callback. The planes will be reenabled in plane's ->atomic_update + * callback. */ if (old_fb && (state->src_w != old_state->src_w || state->src_h != old_state->src_h || fb->pixel_format != old_fb->pixel_format)) - return -EINVAL; + crtc_state->mode_changed = true; eba = drm_plane_state_to_eba(state); @@ -336,7 +333,7 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, return -EINVAL; if (old_fb && fb->pitches[0] != old_fb->pitches[0]) - return -EINVAL; + crtc_state->mode_changed = true; switch (fb->pixel_format) { case DRM_FORMAT_YUV420: @@ -372,7 +369,7 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, return -EINVAL; if (old_fb && old_fb->pitches[1] != fb->pitches[1]) - return -EINVAL; + crtc_state->mode_changed = true; } return 0; @@ -392,8 +389,12 @@ static void ipu_plane_atomic_update(struct drm_plane *plane, enum ipu_color_space ics; if (old_state->fb) { - ipu_plane_atomic_set_base(ipu_plane, old_state); - return; + struct drm_crtc_state *crtc_state = state->crtc->state; + + if (!drm_atomic_crtc_needs_modeset(crtc_state)) { + ipu_plane_atomic_set_base(ipu_plane, old_state); + return; + } } switch (ipu_plane->dp_flow) { |
