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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3344-drm-amd-display-Remove-drm_dsc_dc.c.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3344-drm-amd-display-Remove-drm_dsc_dc.c.patch482
1 files changed, 482 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3344-drm-amd-display-Remove-drm_dsc_dc.c.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3344-drm-amd-display-Remove-drm_dsc_dc.c.patch
new file mode 100644
index 00000000..eed017e4
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3344-drm-amd-display-Remove-drm_dsc_dc.c.patch
@@ -0,0 +1,482 @@
+From 99ac0c6e1f39d3a0e22c240f1214b726783c32e4 Mon Sep 17 00:00:00 2001
+From: David Francis <David.Francis@amd.com>
+Date: Wed, 7 Aug 2019 10:25:48 -0400
+Subject: [PATCH 3344/4256] drm/amd/display: Remove drm_dsc_dc.c
+
+This file was accidentally added to the driver during
+Navi promotion
+
+Nothing includes it. No makefile attempts to compile it, and
+it would fail compilation if they tried
+
+Remove it
+
+Signed-off-by: David Francis <David.Francis@amd.com>
+Reviewed-by: Harry Wentland <harry.wentland@amd.com>w
+---
+ .../gpu/drm/amd/display/dc/dsc/drm_dsc_dc.c | 453 ------------------
+ 1 file changed, 453 deletions(-)
+ delete mode 100644 drivers/gpu/drm/amd/display/dc/dsc/drm_dsc_dc.c
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dsc/drm_dsc_dc.c b/drivers/gpu/drm/amd/display/dc/dsc/drm_dsc_dc.c
+deleted file mode 100644
+index fd1fb1653479..000000000000
+--- a/drivers/gpu/drm/amd/display/dc/dsc/drm_dsc_dc.c
++++ /dev/null
+@@ -1,453 +0,0 @@
+-// SPDX-License-Identifier: MIT
+-/*
+- * Copyright © 2018 Intel Corp
+- *
+- * Author:
+- * Manasi Navare <manasi.d.navare@intel.com>
+- */
+-
+-/* DC versions of linux includes */
+-#include <include/drm_dsc_dc.h>
+-
+-#define EXPORT_SYMBOL(symbol) /* nothing */
+-#define BUILD_BUG_ON(cond) /* nothing */
+-#define DIV_ROUND_UP(a, b) (((b) + (a) - 1) / (b))
+-#define ERANGE -1
+-#define DRM_DEBUG_KMS(msg) /* nothing */
+-#define cpu_to_be16(__x) little_to_big(__x)
+-#define MAX(x, y) ((x) > (y) ? (x) : (y))
+-
+-static unsigned short little_to_big(int data)
+-{
+- /* Swap lower and upper byte. DMCU uses big endian format. */
+- return (0xff & (data >> 8)) + ((data & 0xff) << 8);
+-}
+-
+-/*
+- * Everything below this comment was copied directly from drm_dsc.c.
+- * Only the functions needed in DC are included.
+- * Please keep this file synced with upstream.
+- */
+-
+-/**
+- * DOC: dsc helpers
+- *
+- * These functions contain some common logic and helpers to deal with VESA
+- * Display Stream Compression standard required for DSC on Display Port/eDP or
+- * MIPI display interfaces.
+- */
+-
+-/**
+- * drm_dsc_pps_payload_pack() - Populates the DSC PPS
+- *
+- * @pps_payload:
+- * Bitwise struct for DSC Picture Parameter Set. This is defined
+- * by &struct drm_dsc_picture_parameter_set
+- * @dsc_cfg:
+- * DSC Configuration data filled by driver as defined by
+- * &struct drm_dsc_config
+- *
+- * DSC source device sends a picture parameter set (PPS) containing the
+- * information required by the sink to decode the compressed frame. Driver
+- * populates the DSC PPS struct using the DSC configuration parameters in
+- * the order expected by the DSC Display Sink device. For the DSC, the sink
+- * device expects the PPS payload in big endian format for fields
+- * that span more than 1 byte.
+- */
+-void drm_dsc_pps_payload_pack(struct drm_dsc_picture_parameter_set *pps_payload,
+- const struct drm_dsc_config *dsc_cfg)
+-{
+- int i;
+-
+- /* Protect against someone accidently changing struct size */
+- BUILD_BUG_ON(sizeof(*pps_payload) !=
+- DP_SDP_PPS_HEADER_PAYLOAD_BYTES_MINUS_1 + 1);
+-
+- memset(pps_payload, 0, sizeof(*pps_payload));
+-
+- /* PPS 0 */
+- pps_payload->dsc_version =
+- dsc_cfg->dsc_version_minor |
+- dsc_cfg->dsc_version_major << DSC_PPS_VERSION_MAJOR_SHIFT;
+-
+- /* PPS 1, 2 is 0 */
+-
+- /* PPS 3 */
+- pps_payload->pps_3 =
+- dsc_cfg->line_buf_depth |
+- dsc_cfg->bits_per_component << DSC_PPS_BPC_SHIFT;
+-
+- /* PPS 4 */
+- pps_payload->pps_4 =
+- ((dsc_cfg->bits_per_pixel & DSC_PPS_BPP_HIGH_MASK) >>
+- DSC_PPS_MSB_SHIFT) |
+- dsc_cfg->vbr_enable << DSC_PPS_VBR_EN_SHIFT |
+- dsc_cfg->simple_422 << DSC_PPS_SIMPLE422_SHIFT |
+- dsc_cfg->convert_rgb << DSC_PPS_CONVERT_RGB_SHIFT |
+- dsc_cfg->block_pred_enable << DSC_PPS_BLOCK_PRED_EN_SHIFT;
+-
+- /* PPS 5 */
+- pps_payload->bits_per_pixel_low =
+- (dsc_cfg->bits_per_pixel & DSC_PPS_LSB_MASK);
+-
+- /*
+- * The DSC panel expects the PPS packet to have big endian format
+- * for data spanning 2 bytes. Use a macro cpu_to_be16() to convert
+- * to big endian format. If format is little endian, it will swap
+- * bytes to convert to Big endian else keep it unchanged.
+- */
+-
+- /* PPS 6, 7 */
+- pps_payload->pic_height = cpu_to_be16(dsc_cfg->pic_height);
+-
+- /* PPS 8, 9 */
+- pps_payload->pic_width = cpu_to_be16(dsc_cfg->pic_width);
+-
+- /* PPS 10, 11 */
+- pps_payload->slice_height = cpu_to_be16(dsc_cfg->slice_height);
+-
+- /* PPS 12, 13 */
+- pps_payload->slice_width = cpu_to_be16(dsc_cfg->slice_width);
+-
+- /* PPS 14, 15 */
+- pps_payload->chunk_size = cpu_to_be16(dsc_cfg->slice_chunk_size);
+-
+- /* PPS 16 */
+- pps_payload->initial_xmit_delay_high =
+- ((dsc_cfg->initial_xmit_delay &
+- DSC_PPS_INIT_XMIT_DELAY_HIGH_MASK) >>
+- DSC_PPS_MSB_SHIFT);
+-
+- /* PPS 17 */
+- pps_payload->initial_xmit_delay_low =
+- (dsc_cfg->initial_xmit_delay & DSC_PPS_LSB_MASK);
+-
+- /* PPS 18, 19 */
+- pps_payload->initial_dec_delay =
+- cpu_to_be16(dsc_cfg->initial_dec_delay);
+-
+- /* PPS 20 is 0 */
+-
+- /* PPS 21 */
+- pps_payload->initial_scale_value =
+- dsc_cfg->initial_scale_value;
+-
+- /* PPS 22, 23 */
+- pps_payload->scale_increment_interval =
+- cpu_to_be16(dsc_cfg->scale_increment_interval);
+-
+- /* PPS 24 */
+- pps_payload->scale_decrement_interval_high =
+- ((dsc_cfg->scale_decrement_interval &
+- DSC_PPS_SCALE_DEC_INT_HIGH_MASK) >>
+- DSC_PPS_MSB_SHIFT);
+-
+- /* PPS 25 */
+- pps_payload->scale_decrement_interval_low =
+- (dsc_cfg->scale_decrement_interval & DSC_PPS_LSB_MASK);
+-
+- /* PPS 26[7:0], PPS 27[7:5] RESERVED */
+-
+- /* PPS 27 */
+- pps_payload->first_line_bpg_offset =
+- dsc_cfg->first_line_bpg_offset;
+-
+- /* PPS 28, 29 */
+- pps_payload->nfl_bpg_offset =
+- cpu_to_be16(dsc_cfg->nfl_bpg_offset);
+-
+- /* PPS 30, 31 */
+- pps_payload->slice_bpg_offset =
+- cpu_to_be16(dsc_cfg->slice_bpg_offset);
+-
+- /* PPS 32, 33 */
+- pps_payload->initial_offset =
+- cpu_to_be16(dsc_cfg->initial_offset);
+-
+- /* PPS 34, 35 */
+- pps_payload->final_offset = cpu_to_be16(dsc_cfg->final_offset);
+-
+- /* PPS 36 */
+- pps_payload->flatness_min_qp = dsc_cfg->flatness_min_qp;
+-
+- /* PPS 37 */
+- pps_payload->flatness_max_qp = dsc_cfg->flatness_max_qp;
+-
+- /* PPS 38, 39 */
+- pps_payload->rc_model_size =
+- cpu_to_be16(DSC_RC_MODEL_SIZE_CONST);
+-
+- /* PPS 40 */
+- pps_payload->rc_edge_factor = DSC_RC_EDGE_FACTOR_CONST;
+-
+- /* PPS 41 */
+- pps_payload->rc_quant_incr_limit0 =
+- dsc_cfg->rc_quant_incr_limit0;
+-
+- /* PPS 42 */
+- pps_payload->rc_quant_incr_limit1 =
+- dsc_cfg->rc_quant_incr_limit1;
+-
+- /* PPS 43 */
+- pps_payload->rc_tgt_offset = DSC_RC_TGT_OFFSET_LO_CONST |
+- DSC_RC_TGT_OFFSET_HI_CONST << DSC_PPS_RC_TGT_OFFSET_HI_SHIFT;
+-
+- /* PPS 44 - 57 */
+- for (i = 0; i < DSC_NUM_BUF_RANGES - 1; i++)
+- pps_payload->rc_buf_thresh[i] =
+- dsc_cfg->rc_buf_thresh[i];
+-
+- /* PPS 58 - 87 */
+- /*
+- * For DSC sink programming the RC Range parameter fields
+- * are as follows: Min_qp[15:11], max_qp[10:6], offset[5:0]
+- */
+- for (i = 0; i < DSC_NUM_BUF_RANGES; i++) {
+- pps_payload->rc_range_parameters[i] =
+- ((dsc_cfg->rc_range_params[i].range_min_qp <<
+- DSC_PPS_RC_RANGE_MINQP_SHIFT) |
+- (dsc_cfg->rc_range_params[i].range_max_qp <<
+- DSC_PPS_RC_RANGE_MAXQP_SHIFT) |
+- (dsc_cfg->rc_range_params[i].range_bpg_offset));
+- pps_payload->rc_range_parameters[i] =
+- cpu_to_be16(pps_payload->rc_range_parameters[i]);
+- }
+-
+- /* PPS 88 */
+- pps_payload->native_422_420 = dsc_cfg->native_422 |
+- dsc_cfg->native_420 << DSC_PPS_NATIVE_420_SHIFT;
+-
+- /* PPS 89 */
+- pps_payload->second_line_bpg_offset =
+- dsc_cfg->second_line_bpg_offset;
+-
+- /* PPS 90, 91 */
+- pps_payload->nsl_bpg_offset =
+- cpu_to_be16(dsc_cfg->nsl_bpg_offset);
+-
+- /* PPS 92, 93 */
+- pps_payload->second_line_offset_adj =
+- cpu_to_be16(dsc_cfg->second_line_offset_adj);
+-
+- /* PPS 94 - 127 are O */
+-}
+-EXPORT_SYMBOL(drm_dsc_pps_payload_pack);
+-
+-static int compute_offset(struct drm_dsc_config *vdsc_cfg, int pixels_per_group,
+- int groups_per_line, int grpcnt)
+-{
+- int offset = 0;
+- int grpcnt_id = DIV_ROUND_UP(vdsc_cfg->initial_xmit_delay, pixels_per_group);
+-
+- if (grpcnt <= grpcnt_id)
+- offset = DIV_ROUND_UP(grpcnt * pixels_per_group * vdsc_cfg->bits_per_pixel, 16);
+- else
+- offset = DIV_ROUND_UP(grpcnt_id * pixels_per_group * vdsc_cfg->bits_per_pixel, 16)
+- - (((grpcnt - grpcnt_id) * vdsc_cfg->slice_bpg_offset) >> 11);
+-
+- if (grpcnt <= groups_per_line)
+- offset += grpcnt * vdsc_cfg->first_line_bpg_offset;
+- else
+- offset += groups_per_line * vdsc_cfg->first_line_bpg_offset
+- - (((grpcnt - groups_per_line) * vdsc_cfg->nfl_bpg_offset) >> 11);
+-
+- if (vdsc_cfg->native_420) {
+- if (grpcnt <= groups_per_line)
+- offset -= (grpcnt * vdsc_cfg->nsl_bpg_offset) >> 11;
+- else if (grpcnt <= 2 * groups_per_line)
+- offset += (grpcnt - groups_per_line) * vdsc_cfg->second_line_bpg_offset
+- - ((groups_per_line * vdsc_cfg->nsl_bpg_offset) >> 11);
+- else
+- offset += (grpcnt - groups_per_line) * vdsc_cfg->second_line_bpg_offset
+- - (((grpcnt - groups_per_line) * vdsc_cfg->nsl_bpg_offset) >> 11);
+- }
+-
+- return offset;
+-}
+-
+-/**
+- * drm_dsc_compute_rc_parameters() - Write rate control
+- * parameters to the dsc configuration defined in
+- * &struct drm_dsc_config in accordance with the DSC 1.2
+- * specification. Some configuration fields must be present
+- * beforehand.
+- *
+- * @vdsc_cfg:
+- * DSC Configuration data partially filled by driver
+- */
+-int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg)
+-{
+- unsigned long groups_per_line = 0;
+- unsigned long groups_total = 0;
+- unsigned long num_extra_mux_bits = 0;
+- unsigned long slice_bits = 0;
+- unsigned long hrd_delay = 0;
+- unsigned long final_scale = 0;
+- unsigned long rbs_min = 0;
+- unsigned long max_offset = 0;
+-
+- if (vdsc_cfg->native_420 || vdsc_cfg->native_422) {
+- /* Number of groups used to code each line of a slice */
+- groups_per_line = DIV_ROUND_UP(vdsc_cfg->slice_width / 2,
+- DSC_RC_PIXELS_PER_GROUP);
+-
+- /* chunksize in Bytes */
+- vdsc_cfg->slice_chunk_size = DIV_ROUND_UP(vdsc_cfg->slice_width / 2 *
+- vdsc_cfg->bits_per_pixel,
+- (8 * 16));
+- } else {
+- /* Number of groups used to code each line of a slice */
+- groups_per_line = DIV_ROUND_UP(vdsc_cfg->slice_width,
+- DSC_RC_PIXELS_PER_GROUP);
+-
+- /* chunksize in Bytes */
+- vdsc_cfg->slice_chunk_size = DIV_ROUND_UP(vdsc_cfg->slice_width *
+- vdsc_cfg->bits_per_pixel,
+- (8 * 16));
+- }
+-
+- if (vdsc_cfg->convert_rgb)
+- num_extra_mux_bits = 3 * (vdsc_cfg->mux_word_size +
+- (4 * vdsc_cfg->bits_per_component + 4)
+- - 2);
+- else if (vdsc_cfg->native_422)
+- num_extra_mux_bits = 4 * vdsc_cfg->mux_word_size +
+- (4 * vdsc_cfg->bits_per_component + 4) +
+- 3 * (4 * vdsc_cfg->bits_per_component) - 2;
+- else
+- num_extra_mux_bits = 3 * vdsc_cfg->mux_word_size +
+- (4 * vdsc_cfg->bits_per_component + 4) +
+- 2 * (4 * vdsc_cfg->bits_per_component) - 2;
+- /* Number of bits in one Slice */
+- slice_bits = 8 * vdsc_cfg->slice_chunk_size * vdsc_cfg->slice_height;
+-
+- while ((num_extra_mux_bits > 0) &&
+- ((slice_bits - num_extra_mux_bits) % vdsc_cfg->mux_word_size))
+- num_extra_mux_bits--;
+-
+- if (groups_per_line < vdsc_cfg->initial_scale_value - 8)
+- vdsc_cfg->initial_scale_value = groups_per_line + 8;
+-
+- /* scale_decrement_interval calculation according to DSC spec 1.11 */
+- if (vdsc_cfg->initial_scale_value > 8)
+- vdsc_cfg->scale_decrement_interval = groups_per_line /
+- (vdsc_cfg->initial_scale_value - 8);
+- else
+- vdsc_cfg->scale_decrement_interval = DSC_SCALE_DECREMENT_INTERVAL_MAX;
+-
+- vdsc_cfg->final_offset = vdsc_cfg->rc_model_size -
+- (vdsc_cfg->initial_xmit_delay *
+- vdsc_cfg->bits_per_pixel + 8) / 16 + num_extra_mux_bits;
+-
+- if (vdsc_cfg->final_offset >= vdsc_cfg->rc_model_size) {
+- DRM_DEBUG_KMS("FinalOfs < RcModelSze for this InitialXmitDelay\n");
+- return -ERANGE;
+- }
+-
+- final_scale = (vdsc_cfg->rc_model_size * 8) /
+- (vdsc_cfg->rc_model_size - vdsc_cfg->final_offset);
+- if (vdsc_cfg->slice_height > 1)
+- /*
+- * NflBpgOffset is 16 bit value with 11 fractional bits
+- * hence we multiply by 2^11 for preserving the
+- * fractional part
+- */
+- vdsc_cfg->nfl_bpg_offset = DIV_ROUND_UP((vdsc_cfg->first_line_bpg_offset << 11),
+- (vdsc_cfg->slice_height - 1));
+- else
+- vdsc_cfg->nfl_bpg_offset = 0;
+-
+- /* 2^16 - 1 */
+- if (vdsc_cfg->nfl_bpg_offset > 65535) {
+- DRM_DEBUG_KMS("NflBpgOffset is too large for this slice height\n");
+- return -ERANGE;
+- }
+-
+- if (vdsc_cfg->slice_height > 2)
+- vdsc_cfg->nsl_bpg_offset = DIV_ROUND_UP((vdsc_cfg->second_line_bpg_offset << 11),
+- (vdsc_cfg->slice_height - 1));
+- else
+- vdsc_cfg->nsl_bpg_offset = 0;
+-
+- if (vdsc_cfg->nsl_bpg_offset > 65535) {
+- DRM_DEBUG_KMS("NslBpgOffset is too large for this slice height\n");
+- return -ERANGE;
+- }
+-
+- /* Number of groups used to code the entire slice */
+- groups_total = groups_per_line * vdsc_cfg->slice_height;
+-
+- /* slice_bpg_offset is 16 bit value with 11 fractional bits */
+- vdsc_cfg->slice_bpg_offset = DIV_ROUND_UP(((vdsc_cfg->rc_model_size -
+- vdsc_cfg->initial_offset +
+- num_extra_mux_bits) << 11),
+- groups_total);
+-
+- if (final_scale > 9) {
+- /*
+- * ScaleIncrementInterval =
+- * finaloffset/((NflBpgOffset + SliceBpgOffset)*8(finalscale - 1.125))
+- * as (NflBpgOffset + SliceBpgOffset) has 11 bit fractional value,
+- * we need divide by 2^11 from pstDscCfg values
+- */
+- vdsc_cfg->scale_increment_interval =
+- (vdsc_cfg->final_offset * (1 << 11)) /
+- ((vdsc_cfg->nfl_bpg_offset +
+- vdsc_cfg->nsl_bpg_offset +
+- vdsc_cfg->slice_bpg_offset) *
+- (final_scale - 9));
+- } else {
+- /*
+- * If finalScaleValue is less than or equal to 9, a value of 0 should
+- * be used to disable the scale increment at the end of the slice
+- */
+- vdsc_cfg->scale_increment_interval = 0;
+- }
+-
+- if (vdsc_cfg->scale_increment_interval > 65535) {
+- DRM_DEBUG_KMS("ScaleIncrementInterval is large for slice height\n");
+- return -ERANGE;
+- }
+-
+- /*
+- * DSC spec mentions that bits_per_pixel specifies the target
+- * bits/pixel (bpp) rate that is used by the encoder,
+- * in steps of 1/16 of a bit per pixel
+- */
+- if (vdsc_cfg->dsc_version_minor == 2 && (vdsc_cfg->native_420 || vdsc_cfg->native_422)) {
+-
+- max_offset = compute_offset(vdsc_cfg, DSC_RC_PIXELS_PER_GROUP, groups_per_line,
+- DIV_ROUND_UP(vdsc_cfg->initial_xmit_delay,
+- DSC_RC_PIXELS_PER_GROUP));
+-
+- max_offset = MAX(max_offset,
+- compute_offset(vdsc_cfg, DSC_RC_PIXELS_PER_GROUP, groups_per_line,
+- DIV_ROUND_UP(vdsc_cfg->initial_xmit_delay,
+- groups_per_line)));
+-
+- max_offset = MAX(max_offset,
+- compute_offset(vdsc_cfg, DSC_RC_PIXELS_PER_GROUP, groups_per_line,
+- DIV_ROUND_UP(vdsc_cfg->initial_xmit_delay,
+- groups_per_line * 2)));
+-
+- rbs_min = vdsc_cfg->rc_model_size - vdsc_cfg->initial_offset + max_offset;
+- } else {
+- rbs_min = vdsc_cfg->rc_model_size - vdsc_cfg->initial_offset +
+- DIV_ROUND_UP(vdsc_cfg->initial_xmit_delay *
+- vdsc_cfg->bits_per_pixel, 16) +
+- groups_per_line * vdsc_cfg->first_line_bpg_offset;
+- }
+-
+- hrd_delay = DIV_ROUND_UP((rbs_min * 16), vdsc_cfg->bits_per_pixel);
+- vdsc_cfg->rc_bits = (hrd_delay * vdsc_cfg->bits_per_pixel) / 16;
+- vdsc_cfg->initial_dec_delay = hrd_delay - vdsc_cfg->initial_xmit_delay;
+-
+- /* As per DSC spec v1.2a recommendation: */
+- if (vdsc_cfg->native_420)
+- vdsc_cfg->second_line_offset_adj = 512;
+- else
+- vdsc_cfg->second_line_offset_adj = 0;
+-
+- return 0;
+-}
+-EXPORT_SYMBOL(drm_dsc_compute_rc_parameters);
+--
+2.17.1
+