#define GEN9_LBS_SLA_RETRY_TIMER_DECREMENT_ENABLE (1 << 2)
/*GEN11 chicken */
-#define _PIPEA_CHICKEN 0x70038
-#define _PIPEB_CHICKEN 0x71038
-#define _PIPEC_CHICKEN 0x72038
-#define PER_PIXEL_ALPHA_BYPASS_EN (1 << 7)
-#define PIPE_CHICKEN(pipe) _MMIO_PIPE(pipe, _PIPEA_CHICKEN,\
- _PIPEB_CHICKEN)
+#define _PIPEA_CHICKEN 0x70038
+#define _PIPEB_CHICKEN 0x71038
+#define _PIPEC_CHICKEN 0x72038
+#define PIPE_CHICKEN(pipe) _MMIO_PIPE(pipe, _PIPEA_CHICKEN,\
+ _PIPEB_CHICKEN)
+#define PIXEL_ROUNDING_TRUNC_FB_PASSTHRU (1 << 15)
+#define PER_PIXEL_ALPHA_BYPASS_EN (1 << 7)
/* PCH */
* and rounding for per-pixel values 00 and 0xff
*/
tmp |= PER_PIXEL_ALPHA_BYPASS_EN;
-
+ /*
+ * Display WA # 1605353570: icl
+ * Set the pixel rounding bit to 1 for allowing
+ * passthrough of Frame buffer pixels unmodified
+ * across pipe
+ */
+ tmp |= PIXEL_ROUNDING_TRUNC_FB_PASSTHRU;
I915_WRITE(PIPE_CHICKEN(pipe), tmp);
}