linux-kernel - [RFC][PATCH 4/5] drm/i915: Introduce scaling filter related registers and bit fields.

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Date:   Tue, 25 Feb 2020 12:35:44 +0530
From:   Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@...el.com>
To:     jani.nikula@...ux.intel.com, daniel@...ll.ch,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        ville.syrjala@...ux.intel.com, airlied@...ux.ie,
        maarten.lankhorst@...ux.intel.com, tzimmermann@...e.de,
        mripard@...nel.org, mihail.atanassov@....com,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>
Cc:     pankaj.laxminarayan.bharadiya@...el.com,
        linux-kernel@...r.kernel.org, ankit.k.nautiyal@...el.com
Subject: [RFC][PATCH 4/5] drm/i915: Introduce scaling filter related registers and bit fields.

Introduce scaler registers and bit fields needed to configure the
scaling filter in prgrammed mode and configure scaling filter
coefficients.

Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@...el.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@...el.com>
---
 drivers/gpu/drm/i915/i915_reg.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 34923b1c284c..bba4ad3be611 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7289,6 +7289,18 @@ enum {
 #define _PS_ECC_STAT_2B     0x68AD0
 #define _PS_ECC_STAT_1C     0x691D0
 
+#define _PS_COEF_SET0_INDEX_1A     0x68198
+#define _PS_COEF_SET0_INDEX_2A     0x68298
+#define _PS_COEF_SET0_INDEX_1B     0x68998
+#define _PS_COEF_SET0_INDEX_2B     0x68A98
+
+#define _PS_COEF_SET0_DATA_1A     0x6819C
+#define _PS_COEF_SET0_DATA_2A     0x6829C
+#define _PS_COEF_SET0_DATA_1B     0x6899C
+#define _PS_COEF_SET0_DATA_2B     0x68A9C
+
+#define _PS_COEE_INDEX_AUTO_INC (1 << 10)
+
 #define _ID(id, a, b) _PICK_EVEN(id, a, b)
 #define SKL_PS_CTRL(pipe, id) _MMIO_PIPE(pipe,        \
 			_ID(id, _PS_1A_CTRL, _PS_2A_CTRL),       \
@@ -7318,6 +7330,14 @@ enum {
 			_ID(id, _PS_ECC_STAT_1A, _PS_ECC_STAT_2A),   \
 			_ID(id, _PS_ECC_STAT_1B, _PS_ECC_STAT_2B))
 
+#define SKL_PS_COEF_INDEX_SET0(pipe, id)  _MMIO_PIPE(pipe,    \
+			_ID(id, _PS_COEF_SET0_INDEX_1A, _PS_COEF_SET0_INDEX_2A), \
+			_ID(id, _PS_COEF_SET0_INDEX_1B, _PS_COEF_SET0_INDEX_2B))
+
+#define SKL_PS_COEF_DATA_SET0(pipe, id)  _MMIO_PIPE(pipe,     \
+			_ID(id, _PS_COEF_SET0_DATA_1A, _PS_COEF_SET0_DATA_2A), \
+			_ID(id, _PS_COEF_SET0_DATA_1B, _PS_COEF_SET0_DATA_2B))
+
 /* legacy palette */
 #define _LGC_PALETTE_A           0x4a000
 #define _LGC_PALETTE_B           0x4a800
-- 
2.23.0