From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: [PATCH v2 07/22] drm/tegra: dc: Apply clipping to the plane Date: Wed, 14 Jun 2017 02:15:46 +0300 Message-ID: <7adbe0c6e67115fa4fd201026533b7cb97fc44d2.1497394243.git.digetx@gmail.com> References: Return-path: In-Reply-To: In-Reply-To: References: Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Thierry Reding , Mikko Perttunen , Erik Faye-Lund Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, DRI Development List-Id: linux-tegra@vger.kernel.org On Tegra20 an overlay plane should be clipped, otherwise its output is distorted once plane crosses display boundary. Signed-off-by: Dmitry Osipenko --- drivers/gpu/drm/tegra/dc.c | 29 +++++++++++++++++++++-------- 1 file 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); -- 2.13.0