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path: root/drivers/gpu/drm/tegra/dc.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/dc.c')
-rw-r--r--drivers/gpu/drm/tegra/dc.c51
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) {