[Intel-gfx] [PATCH 06/20] drm/i915: Convert primary plane 16.16 values to regular ints

[Chandra Konduru]

This patch converts intel_plane_state->src rect from 16.16
values into regular ints.

This approach aligns with sprite_plane_state->src rects
which are already in regular ints.

Signed-off-by: Chandra Konduru <chandra.konduru at intel.com>
---
 drivers/gpu/drm/i915/intel_display.c |   13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ee71bde..dddbe11 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12590,6 +12590,15 @@ intel_check_primary_plane(struct drm_plane *plane,
 			intel_crtc->atomic.update_wm = true;
 	}
 
+	/*
+	 * Hardware doesn't handle subpixel coordinates.
+	 * Adjust to (macro)pixel boundary.
+	 */
+	src->x1 >>= 16;
+	src->x2 >>= 16;
+	src->y1 >>= 16;
+	src->y2 >>= 16;
+
 	return 0;
 }
 
@@ -12608,8 +12617,8 @@ intel_commit_primary_plane(struct drm_plane *plane,
 	intel_crtc = to_intel_crtc(crtc);
 
 	plane->fb = fb;
-	crtc->x = src->x1 >> 16;
-	crtc->y = src->y1 >> 16;
+	crtc->x = src->x1;
+	crtc->y = src->y1;
 
 	if (intel_crtc->active) {
 		if (state->visible) {
-- 
1.7.9.5