From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
The clipped src coordinates have already been rotated by 270 degrees for
when the plane rotation is 90/270 degrees, hence the FBC code should no
longer swap the width and height.
Cc: stable@xxxxxxxxxxxxxxx
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Fixes: b63a16f6cd89 ("drm/i915: Compute display surface offset in the plane check hook for SKL+")
Link: https://patchwork.freedesktop.org/patch/147692/
Signed-off-by: Ville Syrjä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_fbc.c | 19 +++++++------------
1 file changed, 7 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
index ff2fc5b..860b8c2 100644
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -82,20 +82,10 @@ static unsigned int get_crtc_fence_y_offset(struct intel_crtc *crtc)
static void intel_fbc_get_plane_source_size(struct intel_fbc_state_cache *cache,
int *width, int *height)
{
- int w, h;
-
- if (drm_rotation_90_or_270(cache->plane.rotation)) {
- w = cache->plane.src_h;
- h = cache->plane.src_w;
- } else {
- w = cache->plane.src_w;
- h = cache->plane.src_h;
- }
-
if (width)
- *width = w;
+ *width = cache->plane.src_w;
if (height)
- *height = h;
+ *height = cache->plane.src_h;
}
static int intel_fbc_calculate_cfb_size(struct drm_i915_private *dev_priv,
@@ -746,6 +736,11 @@ static void intel_fbc_update_state_cache(struct intel_crtc *crtc,
cache->crtc.hsw_bdw_pixel_rate = crtc_state->pixel_rate;
cache->plane.rotation = plane_state->base.rotation;
+ /*
+ * Src coordinates are already rotated by 270 degrees for
+ * the 90/270 degree plane rotation cases (to match the
+ * GTT mapping), hence no need to account for rotation here.
+ */
cache->plane.src_w = drm_rect_width(&plane_state->base.src) >> 16;
cache->plane.src_h = drm_rect_height(&plane_state->base.src) >> 16;
cache->plane.visible = plane_state->base.visible;
--
1.9.1