From: Ville Syrjälä <ville.syrj...@linux.intel.com>
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.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 38 ++++++++++++++++++++++--------------
1 file changed, 23 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 191685a37200..b6786fc1d883 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9175,6 +9175,28 @@ static u32 intel_cursor_base(struct intel_plane *plane,
return base;
}
+static u32 intel_cursor_position(struct intel_plane *plane,
+ 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 void i845_update_cursor(struct intel_plane *plane, u32 base,
const struct intel_plane_state *plane_state)
{
@@ -9291,22 +9313,8 @@ static void intel_crtc_update_cursor(struct intel_plane
*plane,
u32 pos = 0, base = 0;
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, plane_state);
+ pos = intel_cursor_position(plane, plane_state);
}
I915_WRITE(CURPOS(pipe), pos);
--
2.10.2
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