drm/i915: Document that PLANE_CHICKEN are for tgl+

Add tgl+ comments to the PLANE_CHICKEN registers which
I apparently forgot to add when defining the registers.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230329190445.13456-2-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 2b87511..6d9c0e3 100644 (file)
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4026,8 +4026,8 @@
 #define   PLANE_COLOR_ALPHA_DISABLE                    REG_FIELD_PREP(PLANE_COLOR_ALPHA_MASK, 0)
 #define   PLANE_COLOR_ALPHA_SW_PREMULTIPLY             REG_FIELD_PREP(PLANE_COLOR_ALPHA_MASK, 2)
 #define   PLANE_COLOR_ALPHA_HW_PREMULTIPLY             REG_FIELD_PREP(PLANE_COLOR_ALPHA_MASK, 3)
-#define _PLANE_CHICKEN_1_A                     0x7026C
-#define _PLANE_CHICKEN_2_A                     0x7036C
+#define _PLANE_CHICKEN_1_A                     0x7026C /* tgl+ */
+#define _PLANE_CHICKEN_2_A                     0x7036C /* tgl+ */
 #define   PLANE_CHICKEN_DISABLE_DPT            REG_BIT(19) /* mtl+ */
 #define _PLANE_BUF_CFG_1_A                     0x7027c
 #define _PLANE_BUF_CFG_2_A                     0x7037c