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From: Matt Roper <matthew.d.roper@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Subject: [Intel-gfx] [PATCH v4 04/23] drm/i915/xelpd: Add rc_qp_table for rcparams calculation
Date: Fri, 14 May 2021 20:10:16 -0700	[thread overview]
Message-ID: <20210515031035.2561658-5-matthew.d.roper@intel.com> (raw)
In-Reply-To: <20210515031035.2561658-1-matthew.d.roper@intel.com>

From: Vandita Kulkarni <vandita.kulkarni@intel.com>

Add the qp table for 444 formats, for 8bpc, 10bpc and 12bpc, as given by
the VESA C model for DSC 1.1

v2:
 - Add include guard to header (Jani)
 - Move the big tables to a .c file (Chris, Jani, Lucas)
v3:
 - Make tables 'static const' and add lookup functions to index into
   them.  (Jani)
v3.1:
 - Include missing .h file.

Cc: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
 drivers/gpu/drm/i915/Makefile                 |   1 +
 .../gpu/drm/i915/display/intel_qp_tables.c    | 311 ++++++++++++++++++
 .../gpu/drm/i915/display/intel_qp_tables.h    |  14 +
 drivers/gpu/drm/i915/display/intel_vdsc.c     |  10 +-
 4 files changed, 335 insertions(+), 1 deletion(-)
 create mode 100644 drivers/gpu/drm/i915/display/intel_qp_tables.c
 create mode 100644 drivers/gpu/drm/i915/display/intel_qp_tables.h

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index d0d936d9137b..4a4d30d8a10a 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -263,6 +263,7 @@ i915-y += \
 	display/intel_lvds.o \
 	display/intel_panel.o \
 	display/intel_pps.o \
+	display/intel_qp_tables.o \
 	display/intel_sdvo.o \
 	display/intel_tv.o \
 	display/intel_vdsc.o \
diff --git a/drivers/gpu/drm/i915/display/intel_qp_tables.c b/drivers/gpu/drm/i915/display/intel_qp_tables.c
new file mode 100644
index 000000000000..05f6876799ac
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_qp_tables.c
@@ -0,0 +1,311 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#include <drm/drm_dsc.h>
+
+#include "i915_utils.h"
+#include "intel_qp_tables.h"
+
+/* from BPP 6 to 24 in steps of 0.5 */
+#define RC_RANGE_QP444_8BPC_MAX_NUM_BPP		37
+
+/* from BPP 6 to 30 in steps of 0.5 */
+#define RC_RANGE_QP444_10BPC_MAX_NUM_BPP	49
+
+/* from BPP 6 to 36 in steps of 0.5 */
+#define RC_RANGE_QP444_12BPC_MAX_NUM_BPP	61
+
+/*
+ * These qp tables are as per the C model
+ * and it has the rows pointing to bpps which increment
+ * in steps of 0.5
+ * We do not support fractional bpps as of today,
+ * hence we would skip the fractional bpps during
+ * our references for qp calclulations.
+ */
+static const u8 rc_range_minqp444_8bpc[DSC_NUM_BUF_RANGES][RC_RANGE_QP444_8BPC_MAX_NUM_BPP] = {
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1,
+	  1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1,
+	  1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 },
+	{ 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1,
+	  1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 },
+	{ 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2,
+	  2, 2, 2, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 },
+	{ 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2,
+	  2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 0, 0, 0 },
+	{ 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+	  3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 0, 0, 0 },
+	{ 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3,
+	  3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0 },
+	{ 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4,
+	  4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0 },
+	{ 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4,
+	  4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0 },
+	{ 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5,
+	  5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1 },
+	{ 14, 14, 13, 13, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 9, 9, 9, 8, 8,
+	  8, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3 }
+};
+
+static const u8 rc_range_maxqp444_8bpc[DSC_NUM_BUF_RANGES][RC_RANGE_QP444_8BPC_MAX_NUM_BPP] = {
+	{ 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1,
+	  1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 },
+	{ 8, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1,
+	  1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 },
+	{ 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2,
+	  2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 },
+	{ 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 4, 3, 2, 2, 2, 2, 2,
+	  2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0 },
+	{ 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3,
+	  3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1 },
+	{ 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3,
+	  3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1 },
+	{ 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 5, 5, 4, 4, 4, 4, 3,
+	  3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1 },
+	{ 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5,
+	  4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+	{ 12, 11, 11, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 6, 6, 5, 5, 5,
+	  5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1 },
+	{ 12, 12, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 6, 6, 6,
+	  5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1 },
+	{ 12, 12, 12, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7,
+	  6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1 },
+	{ 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 7,
+	  6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1 },
+	{ 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 8, 8, 8,
+	  8, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2 },
+	{ 15, 15, 14, 14, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 10, 10, 10, 9,
+	  9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4 }
+};
+
+static const u8 rc_range_minqp444_10bpc[DSC_NUM_BUF_RANGES][RC_RANGE_QP444_10BPC_MAX_NUM_BPP] = {
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0 },
+	{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1,
+	  1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0 },
+	{ 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2,
+	  2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0 },
+	{ 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3,
+	  3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0 },
+	{ 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3,
+	  3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0 },
+	{ 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4,
+	  4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 0, 0, 0,
+	  0, 0, 0 },
+	{ 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5,
+	  4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 0, 0,
+	  0, 0, 0 },
+	{ 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5,
+	  5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 0,
+	  0, 0, 0 },
+	{ 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5,
+	  5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1,
+	  1, 0, 0 },
+	{ 10, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6,
+	  6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1,
+	  1, 1, 0 },
+	{ 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6,
+	  6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1,
+	  1, 1, 1 },
+	{ 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8,
+	  7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2,
+	  2, 1, 1, 1 },
+	{ 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8,
+	  8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2,
+	  2, 2, 2, 1 },
+	{ 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11,
+	  11, 11, 11, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 4,
+	  4, 3, 3, 3, 3, 2, 2, 2, 2, 1 },
+	{ 18, 18, 17, 17, 16, 16, 16, 16, 15, 15, 14, 14, 14, 14, 13, 13, 13,
+	  12, 12, 12, 11, 11, 11, 11, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7,
+	  7, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 3 }
+};
+
+static const u8 rc_range_maxqp444_10bpc[DSC_NUM_BUF_RANGES][RC_RANGE_QP444_10BPC_MAX_NUM_BPP] = {
+	{ 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2,
+	  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0 },
+	{ 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3,
+	  3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0 },
+	{ 12, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 5, 5, 5, 4,
+	  4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
+	  0, 0, 0, 0 },
+	{ 12, 12, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 7, 7, 6,
+	  6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1,
+	  1, 0, 0, 0, 0, 0, 0 },
+	{ 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 8, 8, 7,
+	  6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1,
+	  1, 1, 1, 0, 0, 0, 0, 0 },
+	{ 13, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 8, 8,
+	  7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2,
+	  2, 2, 1, 1, 1, 1, 0, 0 },
+	{ 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 8, 8,
+	  7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2,
+	  2, 2, 2, 1, 1, 1, 1, 1 },
+	{ 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 10, 9, 9,
+	  8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3,
+	  3, 2, 2, 2, 1, 1, 1, 1 },
+	{ 15, 15, 14, 14, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9,
+	  9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3,
+	  3, 3, 2, 2, 2, 2, 1, 1 },
+	{ 16, 15, 15, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 11, 10,
+	  10, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4,
+	  4, 3, 3, 3, 2, 2, 2, 2, 1 },
+	{ 16, 16, 15, 15, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11,
+	  10, 10, 10, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5,
+	  4, 4, 4, 3, 3, 3, 2, 2, 2, 2 },
+	{ 16, 16, 16, 15, 15, 15, 14, 14, 14, 14, 13, 13, 13, 13, 12, 12, 12,
+	  11, 11, 11, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5,
+	  5, 4, 4, 4, 4, 3, 3, 2, 2, 2 },
+	{ 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 13, 13, 13, 12, 12, 12,
+	  11, 11, 11, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5,
+	  5, 4, 4, 4, 4, 3, 3, 3, 3, 2 },
+	{ 17, 17, 17, 17, 16, 16, 15, 15, 15, 15, 14, 14, 14, 14, 13, 13, 12,
+	  12, 12, 12, 11, 11, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 6,
+	  6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2 },
+	{ 19, 19, 18, 18, 17, 17, 17, 17, 16, 16, 15, 15, 15, 15, 14, 14, 14,
+	  13, 13, 13, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8,
+	  8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4 }
+};
+
+static const u8 rc_range_minqp444_12bpc[DSC_NUM_BUF_RANGES][RC_RANGE_QP444_12BPC_MAX_NUM_BPP] = {
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+	  1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 11, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3,
+	  3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
+	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 5,
+	  5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 0,
+	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 9, 8, 7, 7, 7,
+	  7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1,
+	  1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 13, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 8, 8,
+	  8, 8, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2,
+	  2, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9,
+	  9, 9, 9, 8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3,
+	  3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 },
+	{ 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10,
+	  10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4,
+	  4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 },
+	{ 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
+	  11, 11, 11, 10, 10, 10, 10, 9, 9, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5,
+	  5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 0, 0 },
+	{ 14, 13, 13, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
+	  11, 11, 11, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5,
+	  5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 0 },
+	{ 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12,
+	  12, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7,
+	  6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1 },
+	{ 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+	  13, 12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8,
+	  7, 7, 7, 7, 6, 6, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1 },
+	{ 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+	  13, 12, 12, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8,
+	  7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1 },
+	{ 17, 17, 17, 17, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
+	  15, 14, 14, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 10, 10, 9, 9, 9, 9, 8, 8,
+	  7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 1 },
+	{ 22, 22, 21, 21, 20, 20, 20, 20, 19, 19, 18, 18, 18, 18, 17, 17, 17, 16, 16,
+	  16, 15, 15, 15, 15, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11,
+	  10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 3 }
+};
+
+static const u8 rc_range_maxqp444_12bpc[DSC_NUM_BUF_RANGES][RC_RANGE_QP444_12BPC_MAX_NUM_BPP] = {
+	{ 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4,
+	  4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
+	  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 9, 9, 9, 8, 8, 7, 7, 7, 7, 5,
+	  5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	  1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 16, 15, 15, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 10, 10, 9, 9,
+	  9, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1,
+	  1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 16, 16, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 11, 11, 10,
+	  10, 10, 8, 8, 8, 8, 8, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2,
+	  2, 2, 2, 2, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+	{ 17, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 12, 12, 11, 10,
+	  10, 10, 10, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3,
+	  2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 },
+	{ 17, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 12, 12, 11,
+	  11, 11, 11, 9, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3,
+	  3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0 },
+	{ 17, 17, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 12, 12, 11,
+	  11, 11, 11, 11, 10, 10, 10, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5,
+	  5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 0 },
+	{ 18, 18, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 14, 13, 13, 12,
+	  12, 12, 12, 11, 11, 11, 11, 10, 10, 10, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6,
+	  6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1 },
+	{ 19, 19, 18, 18, 17, 17, 17, 17, 17, 17, 16, 16, 16, 15, 15, 14, 14, 13, 13,
+	  13, 13, 13, 12, 12, 12, 12, 11, 11, 10, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6,
+	  6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1 },
+	{ 20, 19, 19, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 16, 16, 15, 14, 14, 13,
+	  13, 13, 13, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7,
+	  6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1 },
+	{ 20, 20, 19, 19, 18, 18, 18, 18, 18, 18, 17, 17, 17, 16, 16, 15, 15, 14, 14,
+	  14, 13, 13, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9,
+	  8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2 },
+	{ 20, 20, 20, 19, 19, 19, 18, 18, 18, 18, 17, 17, 17, 17, 16, 16, 16, 15, 15,
+	  15, 14, 14, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9,
+	  9, 8, 8, 8, 8, 7, 7, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2 },
+	{ 20, 20, 20, 20, 19, 19, 19, 19, 19, 18, 18, 17, 17, 17, 16, 16, 16, 15, 15,
+	  15, 14, 14, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9,
+	  9, 8, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2 },
+	{ 21, 21, 21, 21, 20, 20, 19, 19, 19, 19, 18, 18, 18, 18, 17, 17, 16, 16, 16,
+	  16, 15, 15, 14, 14, 14, 14, 13, 13, 12, 12, 12, 12, 11, 11, 10, 10, 10, 10,
+	  9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 2 },
+	{ 23, 23, 22, 22, 21, 21, 21, 21, 20, 20, 19, 19, 19, 19, 18, 18, 18, 17, 17,
+	  17, 16, 16, 16, 16, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12,
+	  11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 4 }
+};
+
+#define PARAM_TABLE(_minmax, _bpc, _row, _col)  do { \
+	if (bpc == _bpc) \
+		return rc_range_##_minmax##qp444_##_bpc##bpc[_row][_col]; \
+} while (0)
+
+u8 intel_lookup_range_min_qp(int bpc, int buf_i, int bpp_i)
+{
+	PARAM_TABLE(min, 8, buf_i, bpp_i);
+	PARAM_TABLE(min, 10, buf_i, bpp_i);
+	PARAM_TABLE(min, 12, buf_i, bpp_i);
+
+	MISSING_CASE(bpc);
+	return 0;
+}
+
+u8 intel_lookup_range_max_qp(int bpc, int buf_i, int bpp_i)
+{
+	PARAM_TABLE(max, 8, buf_i, bpp_i);
+	PARAM_TABLE(max, 10, buf_i, bpp_i);
+	PARAM_TABLE(max, 12, buf_i, bpp_i);
+
+	MISSING_CASE(bpc);
+	return 0;
+}
+
+
diff --git a/drivers/gpu/drm/i915/display/intel_qp_tables.h b/drivers/gpu/drm/i915/display/intel_qp_tables.h
new file mode 100644
index 000000000000..9fb3c36bd7c6
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_qp_tables.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#ifndef _INTEL_QP_TABLES_H_
+#define _INTEL_QP_TABLES_H_
+
+#include <linux/types.h>
+
+u8 intel_lookup_range_min_qp(int bpc, int buf_i, int bpp_i);
+u8 intel_lookup_range_max_qp(int bpc, int buf_i, int bpp_i);
+
+#endif
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c
index 02e86d2be395..19cd9531c115 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -11,6 +11,7 @@
 #include "intel_display_types.h"
 #include "intel_dsi.h"
 #include "intel_vdsc.h"
+#include "intel_qp_tables.h"
 
 enum ROW_INDEX_BPP {
 	ROW_INDEX_6BPP = 0,
@@ -384,7 +385,7 @@ calculate_rc_params(struct rc_parameters *rc,
 	int ofs_und12[] = { 2, 0, 0, -2, -4, -6, -8, -8, -8, -10, -10, -10, -12, -12, -12 };
 	int ofs_und15[] = { 10, 8, 6, 4, 2, 0, -2, -4, -6, -8, -10, -10, -12, -12, -12 };
 	int qp_bpc_modifier = (bpc - 8) * 2;
-	u32 res, buf_i;
+	u32 res, buf_i, bpp_i;
 
 	if (vdsc_cfg->slice_height >= 8)
 		rc->first_line_bpg_offset =
@@ -411,7 +412,14 @@ calculate_rc_params(struct rc_parameters *rc,
 	rc->rc_quant_incr_limit0 = 11 + qp_bpc_modifier;
 	rc->rc_quant_incr_limit1 = 11 + qp_bpc_modifier;
 
+	bpp_i  = (2 * (bpp - 6));
 	for (buf_i = 0; buf_i < DSC_NUM_BUF_RANGES; buf_i++) {
+		/* Read range_minqp and range_max_qp from qp tables */
+		rc->rc_range_params[buf_i].range_min_qp =
+			intel_lookup_range_min_qp(bpc, buf_i, bpp_i);
+		rc->rc_range_params[buf_i].range_max_qp =
+			intel_lookup_range_max_qp(bpc, buf_i, bpp_i);
+
 		/* Calculate range_bgp_offset */
 		if (bpp <= 6) {
 			rc->rc_range_params[buf_i].range_bpg_offset = ofs_und6[buf_i];
-- 
2.25.4

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  parent reply	other threads:[~2021-05-15  3:10 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-15  3:10 [Intel-gfx] [PATCH v4 00/23] Alder Lake-P Support Matt Roper
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 01/23] drm/i915/xelpd: Enhanced pipe underrun reporting Matt Roper
2021-05-17  6:52   ` Lisovskiy, Stanislav
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 02/23] drm/i915/xelpd: Support DP1.4 compression BPPs Matt Roper
2021-05-17 15:18   ` Jani Nikula
2021-05-18  6:33     ` Kulkarni, Vandita
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 03/23] drm/i915/xelpd: Calculate VDSC RC parameters Matt Roper
2021-05-18 18:06   ` Navare, Manasi
2021-05-15  3:10 ` Matt Roper [this message]
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 05/23] drm/i915/xelpd: Add VRR guardband for VRR CTL Matt Roper
2021-05-24 13:40   ` Aditya Swarup
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 06/23] drm/i915/adl_p: Add dedicated SAGV watermarks Matt Roper
2021-05-17  6:49   ` Lisovskiy, Stanislav
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 07/23] drm/i915/adl_p: Setup ports/phys Matt Roper
2021-05-17 18:01   ` Imre Deak
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 08/23] drm/i915/adl_p: Handle TC cold Matt Roper
2021-05-17 14:53   ` Imre Deak
2021-05-17 23:15     ` Souza, Jose
2021-05-17 23:22       ` Souza, Jose
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 09/23] drm/i915/adl_p: Implement TC sequences Matt Roper
2021-05-17 15:12   ` Imre Deak
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 10/23] drm/i915/adl_p: Don't config MBUS and DBUF during display initialization Matt Roper
2021-05-18 11:58   ` Lisovskiy, Stanislav
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 11/23] drm/i915/adl_p: Add ddb allocation support Matt Roper
2021-05-18 12:22   ` Lisovskiy, Stanislav
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 12/23] drm/i915: Introduce MBUS relative dbuf offsets Matt Roper
2021-05-17  6:38   ` Lisovskiy, Stanislav
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 13/23] drm/i915/adl_p: MBUS programming Matt Roper
2023-07-17 10:32   ` Tvrtko Ursulin
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 14/23] drm/i915/adl_p: Tx escape clock with DSI Matt Roper
2021-05-17  7:36   ` Kulkarni, Vandita
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 15/23] drm/i915/display: Replace dc3co_enabled with dc3co_exitline on intel_psr struct Matt Roper
2021-05-17  6:39   ` Gupta, Anshuman
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 16/23] drm/i915/display: Remove a redundant function argument from intel_psr_enable_source() Matt Roper
2021-05-19  6:49   ` Anshuman Gupta
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 17/23] drm/i915/display: Add PSR interrupt error check function Matt Roper
2021-05-17 17:03   ` Souza, Jose
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 18/23] drm/i915/display: Introduce new intel_psr_pause/resume function Matt Roper
2021-05-17 16:58   ` Souza, Jose
2021-05-18  9:33     ` Mun, Gwan-gyeong
2021-05-18 11:06       ` Ville Syrjälä
2021-05-21 10:58         ` Mun, Gwan-gyeong
2021-05-21 21:52           ` Souza, Jose
2021-06-01 10:23             ` Mun, Gwan-gyeong
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 19/23] drm/i915/adl_p: Define and use ADL-P specific DP translation tables Matt Roper
2021-05-17 23:02   ` Clint Taylor
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 20/23] drm/i915/adl_p: Add PLL Support Matt Roper
2021-05-17 21:55   ` Clint Taylor
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 21/23] drm/i915/adl_p: Program DP/HDMI link rate to DDI_BUF_CTL Matt Roper
2021-05-17 17:01   ` Souza, Jose
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 22/23] drm/i915/adlp: Add PIPE_MISC2 programming Matt Roper
2021-05-17 21:46   ` Clint Taylor
2021-05-15  3:10 ` [Intel-gfx] [PATCH v4 23/23] drm/i915/adl_p: Update memory bandwidth parameters Matt Roper
2021-05-17 17:02   ` Souza, Jose
2021-05-15  4:51 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Alder Lake-P Support (rev3) Patchwork
2021-05-15  4:53 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2021-05-15  5:22 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2021-05-17 23:41 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Alder Lake-P Support (rev4) Patchwork

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