diff options
Diffstat (limited to 'drivers/gpu/drm/tegra/dc.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/dc.c | 51 |
1 files changed, 38 insertions, 13 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 04d6848d19fc..9a0b3240bc58 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -368,6 +368,12 @@ static void tegra_dc_setup_window(struct tegra_plane *plane, h_size = window->src.w * bpp; v_size = window->src.h; + if (window->reflect_x) + h_offset += (window->src.w - 1) * bpp; + + if (window->reflect_y) + v_offset += window->src.h - 1; + value = V_PRESCALED_SIZE(v_size) | H_PRESCALED_SIZE(h_size); tegra_plane_writel(plane, value, DC_WIN_PRESCALED_SIZE); @@ -404,9 +410,6 @@ static void tegra_dc_setup_window(struct tegra_plane *plane, tegra_plane_writel(plane, window->stride[0], DC_WIN_LINE_STRIDE); } - if (window->bottom_up) - v_offset += window->src.h - 1; - tegra_plane_writel(plane, h_offset, DC_WINBUF_ADDR_H_OFFSET); tegra_plane_writel(plane, v_offset, DC_WINBUF_ADDR_V_OFFSET); @@ -470,7 +473,10 @@ static void tegra_dc_setup_window(struct tegra_plane *plane, value |= COLOR_EXPAND; } - if (window->bottom_up) + if (window->reflect_x) + value |= H_DIRECTION; + + if (window->reflect_y) value |= V_DIRECTION; if (tegra_plane_use_horizontal_filtering(plane, window)) { @@ -601,7 +607,10 @@ static int tegra_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) { struct tegra_plane_state *plane_state = to_tegra_plane_state(state); - unsigned int rotation = DRM_MODE_ROTATE_0 | DRM_MODE_REFLECT_Y; + unsigned int supported_rotation = DRM_MODE_ROTATE_0 | + DRM_MODE_REFLECT_X | + DRM_MODE_REFLECT_Y; + unsigned int rotation = state->rotation; struct tegra_bo_tiling *tiling = &plane_state->tiling; struct tegra_plane *tegra = to_tegra_plane(plane); struct tegra_dc *dc = to_tegra_dc(state->crtc); @@ -639,12 +648,26 @@ static int tegra_plane_atomic_check(struct drm_plane *plane, return -EINVAL; } - rotation = drm_rotation_simplify(state->rotation, rotation); + /* + * Older userspace used custom BO flag in order to specify the Y + * reflection, while modern userspace uses the generic DRM rotation + * property in order to achieve the same result. The legacy BO flag + * duplicates the DRM rotation property when both are set. + */ + if (tegra_fb_is_bottom_up(state->fb)) + rotation |= DRM_MODE_REFLECT_Y; + + rotation = drm_rotation_simplify(rotation, supported_rotation); + + if (rotation & DRM_MODE_REFLECT_X) + plane_state->reflect_x = true; + else + plane_state->reflect_x = false; if (rotation & DRM_MODE_REFLECT_Y) - plane_state->bottom_up = true; + plane_state->reflect_y = true; else - plane_state->bottom_up = false; + plane_state->reflect_y = false; /* * Tegra doesn't support different strides for U and V planes so we @@ -706,7 +729,8 @@ static void tegra_plane_atomic_update(struct drm_plane *plane, 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) || state->bottom_up; + window.reflect_x = state->reflect_x; + window.reflect_y = state->reflect_y; /* copy from state */ window.zpos = plane->state->normalized_zpos; @@ -792,6 +816,8 @@ static struct drm_plane *tegra_primary_plane_create(struct drm_device *drm, err = drm_plane_create_rotation_property(&plane->base, DRM_MODE_ROTATE_0, DRM_MODE_ROTATE_0 | + DRM_MODE_ROTATE_180 | + DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y); if (err < 0) dev_err(dc->dev, "failed to create rotation property: %d\n", @@ -1080,6 +1106,8 @@ static struct drm_plane *tegra_dc_overlay_plane_create(struct drm_device *drm, err = drm_plane_create_rotation_property(&plane->base, DRM_MODE_ROTATE_0, DRM_MODE_ROTATE_0 | + DRM_MODE_ROTATE_180 | + DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y); if (err < 0) dev_err(dc->dev, "failed to create rotation property: %d\n", @@ -1169,7 +1197,6 @@ static void tegra_crtc_reset(struct drm_crtc *crtc) tegra_crtc_atomic_destroy_state(crtc, crtc->state); __drm_atomic_helper_crtc_reset(crtc, &state->base); - drm_crtc_vblank_reset(crtc); } static struct drm_crtc_state * @@ -2556,10 +2583,8 @@ static int tegra_dc_probe(struct platform_device *pdev) return PTR_ERR(dc->regs); dc->irq = platform_get_irq(pdev, 0); - if (dc->irq < 0) { - dev_err(&pdev->dev, "failed to get IRQ\n"); + if (dc->irq < 0) return -ENXIO; - } err = tegra_dc_rgb_probe(dc); if (err < 0 && err != -ENODEV) { |