drm/i915: Refactor CURPOS calculation
Move the CURPOS calculations to seprate function. This will allow
sharing the code between the 845/865 vs. others codepaths when we
otherwise split them apart.
v2: Don't pass intel_plane as it's not needed
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170327185546.2977-6-ville.syrjala@linux.intel.com
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index bbc2022..3c310d9 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9157,6 +9157,27 @@ static u32 intel_cursor_base(const struct intel_plane_state *plane_state)
return base;
}
+static u32 intel_cursor_position(const struct intel_plane_state *plane_state)
+{
+ int x = plane_state->base.crtc_x;
+ int y = plane_state->base.crtc_y;
+ u32 pos = 0;
+
+ if (x < 0) {
+ pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
+ x = -x;
+ }
+ pos |= x << CURSOR_X_SHIFT;
+
+ if (y < 0) {
+ pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
+ y = -y;
+ }
+ pos |= y << CURSOR_Y_SHIFT;
+
+ return pos;
+}
+
static u32 i845_cursor_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
@@ -9294,22 +9315,8 @@ static void intel_crtc_update_cursor(struct intel_plane *plane,
unsigned long irqflags;
if (plane_state) {
- int x = plane_state->base.crtc_x;
- int y = plane_state->base.crtc_y;
-
- if (x < 0) {
- pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
- x = -x;
- }
- pos |= x << CURSOR_X_SHIFT;
-
- if (y < 0) {
- pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
- y = -y;
- }
- pos |= y << CURSOR_Y_SHIFT;
-
base = intel_cursor_base(plane_state);
+ pos = intel_cursor_position(plane_state);
}
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);