[PATCH] drm/i915: Soft defeature of cursor size reduction

Nemesa Garg nemesa.garg at intel.com
Tue Aug 12 07:51:29 UTC 2025


>From display 14 onward do not enable the cursor
size reduction bit as it has been defeatured.

Bspec: 50372, 69838

Signed-off-by: Nemesa Garg <nemesa.garg at intel.com>
---
 drivers/gpu/drm/i915/display/intel_cursor.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_cursor.c b/drivers/gpu/drm/i915/display/intel_cursor.c
index d4d181f9dca5..9c4c3d242fdd 100644
--- a/drivers/gpu/drm/i915/display/intel_cursor.c
+++ b/drivers/gpu/drm/i915/display/intel_cursor.c
@@ -662,8 +662,12 @@ static void i9xx_cursor_update_arm(struct intel_dsb *dsb,
 		cntl = plane_state->ctl |
 			i9xx_cursor_ctl_crtc(crtc_state);
 
-		if (width != height)
-			fbc_ctl = CUR_FBC_EN | CUR_FBC_HEIGHT(height - 1);
+		if (width != height) {
+			if (DISPLAY_VER(display) >= 14)
+				fbc_ctl = CUR_FBC_HEIGHT(height - 1);
+			else
+				fbc_ctl = CUR_FBC_EN | CUR_FBC_HEIGHT(height - 1);
+		}
 
 		base = plane_state->surf;
 		pos = intel_cursor_position(crtc_state, plane_state, false);
-- 
2.25.1



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