drm/i915: Clean up rotation DSPCNTR/DVSCNTR/etc. setup
Move the plane control register rotation setup away from the
coordinate munging code. This will result in neater looking
code once we add reflection support for CHV.
v2: Drop the BIT(), drop some usless parens,
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1479142440-25283-3-git-send-email-ville.syrjala@linux.intel.com
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 10dd1ef..ecc7b5b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3075,6 +3075,9 @@ static void i9xx_update_primary_plane(struct drm_plane *primary,
fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
dspcntr |= DISPPLANE_TILED;
+ if (rotation & DRM_ROTATE_180)
+ dspcntr |= DISPPLANE_ROTATE_180;
+
if (IS_G4X(dev_priv))
dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
@@ -3085,10 +3088,8 @@ static void i9xx_update_primary_plane(struct drm_plane *primary,
intel_compute_tile_offset(&x, &y, plane_state, 0);
if (rotation & DRM_ROTATE_180) {
- dspcntr |= DISPPLANE_ROTATE_180;
-
- x += (crtc_state->pipe_src_w - 1);
- y += (crtc_state->pipe_src_h - 1);
+ x += crtc_state->pipe_src_w - 1;
+ y += crtc_state->pipe_src_h - 1;
}
linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
@@ -3180,6 +3181,9 @@ static void ironlake_update_primary_plane(struct drm_plane *primary,
if (fb->modifier[0] == I915_FORMAT_MOD_X_TILED)
dspcntr |= DISPPLANE_TILED;
+ if (rotation & DRM_ROTATE_180)
+ dspcntr |= DISPPLANE_ROTATE_180;
+
if (!IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv))
dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
@@ -3188,13 +3192,11 @@ static void ironlake_update_primary_plane(struct drm_plane *primary,
intel_crtc->dspaddr_offset =
intel_compute_tile_offset(&x, &y, plane_state, 0);
- if (rotation & DRM_ROTATE_180) {
- dspcntr |= DISPPLANE_ROTATE_180;
-
- if (!IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv)) {
- x += (crtc_state->pipe_src_w - 1);
- y += (crtc_state->pipe_src_h - 1);
- }
+ /* HSW+ does this automagically in hardware */
+ if (!IS_HASWELL(dev_priv) && !IS_BROADWELL(dev_priv) &&
+ rotation & DRM_ROTATE_180) {
+ x += crtc_state->pipe_src_w - 1;
+ y += crtc_state->pipe_src_h - 1;
}
linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);