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| author | Dmitry Osipenko <digetx@gmail.com> | 2017-06-15 01:18:30 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2017-06-15 14:20:11 +0200 |
| commit | 7d2058571aafad239e7f1a3c04a830c6ec6a426f (patch) | |
| tree | a3f397a07e71cb866de307b4d85b7dc2574ec1c5 /drivers/gpu/drm/tegra | |
| parent | drm/tegra: dc: Avoid reset asserts on Tegra20 (diff) | |
| download | linux-7d2058571aafad239e7f1a3c04a830c6ec6a426f.tar.xz linux-7d2058571aafad239e7f1a3c04a830c6ec6a426f.zip | |
drm/tegra: dc: Apply clipping to the plane
On Tegra20 an overlay plane should be clipped, otherwise its output is
distorted once plane crosses display boundary.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra')
| -rw-r--r-- | drivers/gpu/drm/tegra/dc.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 98ee6abb056c..a7a7cce1afd0 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -486,12 +486,25 @@ static int tegra_plane_state_add(struct tegra_plane *plane, { struct drm_crtc_state *crtc_state; struct tegra_dc_state *tegra; + struct drm_rect clip; + int err; /* Propagate errors from allocation or locking failures. */ crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc); if (IS_ERR(crtc_state)) return PTR_ERR(crtc_state); + clip.x1 = 0; + clip.y1 = 0; + clip.x2 = crtc_state->mode.hdisplay; + clip.y2 = crtc_state->mode.vdisplay; + + /* Check plane state for visibility and calculate clipping bounds */ + err = drm_plane_helper_check_state(state, &clip, 0, INT_MAX, + true, true); + if (err < 0) + return err; + tegra = to_dc_state(crtc_state); tegra->planes |= WIN_A_ACT_REQ << plane->index; @@ -561,14 +574,14 @@ static void tegra_plane_atomic_update(struct drm_plane *plane, return; memset(&window, 0, sizeof(window)); - window.src.x = plane->state->src_x >> 16; - window.src.y = plane->state->src_y >> 16; - window.src.w = plane->state->src_w >> 16; - window.src.h = plane->state->src_h >> 16; - window.dst.x = plane->state->crtc_x; - window.dst.y = plane->state->crtc_y; - window.dst.w = plane->state->crtc_w; - window.dst.h = plane->state->crtc_h; + window.src.x = plane->state->src.x1 >> 16; + window.src.y = plane->state->src.y1 >> 16; + window.src.w = drm_rect_width(&plane->state->src) >> 16; + window.src.h = drm_rect_height(&plane->state->src) >> 16; + window.dst.x = plane->state->dst.x1; + window.dst.y = plane->state->dst.y1; + window.dst.w = drm_rect_width(&plane->state->dst); + window.dst.h = drm_rect_height(&plane->state->dst); window.bits_per_pixel = fb->format->cpp[0] * 8; window.bottom_up = tegra_fb_is_bottom_up(fb); |