+++ /dev/null
-/*
- * Copyright 2012-15 Advanced Micro Devices, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: AMD
- *
- */
-
-#include "dm_services.h"
-
-#include "dce/dce_8_0_d.h"
-#include "dce/dce_8_0_sh_mask.h"
-#include "gmc/gmc_7_1_sh_mask.h"
-#include "gmc/gmc_7_1_d.h"
-
-#include "include/logger_interface.h"
-#include "dce80_compressor.h"
-
-#define DCP_REG(reg)\
- (reg + cp80->offsets.dcp_offset)
-#define DMIF_REG(reg)\
- (reg + cp80->offsets.dmif_offset)
-
-static const struct dce80_compressor_reg_offsets reg_offsets[] = {
-{
- .dcp_offset = (mmDCP0_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
- .dmif_offset = (mmDMIF_PG0_DPG_PIPE_DPM_CONTROL
- - mmDMIF_PG0_DPG_PIPE_DPM_CONTROL),
-},
-{
- .dcp_offset = (mmDCP1_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
- .dmif_offset = (mmDMIF_PG1_DPG_PIPE_DPM_CONTROL
- - mmDMIF_PG0_DPG_PIPE_DPM_CONTROL),
-},
-{
- .dcp_offset = (mmDCP2_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
- .dmif_offset = (mmDMIF_PG2_DPG_PIPE_DPM_CONTROL
- - mmDMIF_PG0_DPG_PIPE_DPM_CONTROL),
-},
-{
- .dcp_offset = (mmDCP3_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
- .dmif_offset = (mmDMIF_PG3_DPG_PIPE_DPM_CONTROL
- - mmDMIF_PG0_DPG_PIPE_DPM_CONTROL),
-},
-{
- .dcp_offset = (mmDCP4_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
- .dmif_offset = (mmDMIF_PG4_DPG_PIPE_DPM_CONTROL
- - mmDMIF_PG0_DPG_PIPE_DPM_CONTROL),
-},
-{
- .dcp_offset = (mmDCP5_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
- .dmif_offset = (mmDMIF_PG5_DPG_PIPE_DPM_CONTROL
- - mmDMIF_PG0_DPG_PIPE_DPM_CONTROL),
-}
-};
-
-static const uint32_t dce8_one_lpt_channel_max_resolution = 2048 * 1200;
-
-enum fbc_idle_force {
- /* Bit 0 - Display registers updated */
- FBC_IDLE_FORCE_DISPLAY_REGISTER_UPDATE = 0x00000001,
-
- /* Bit 2 - FBC_GRPH_COMP_EN register updated */
- FBC_IDLE_FORCE_GRPH_COMP_EN = 0x00000002,
- /* Bit 3 - FBC_SRC_SEL register updated */
- FBC_IDLE_FORCE_SRC_SEL_CHANGE = 0x00000004,
- /* Bit 4 - FBC_MIN_COMPRESSION register updated */
- FBC_IDLE_FORCE_MIN_COMPRESSION_CHANGE = 0x00000008,
- /* Bit 5 - FBC_ALPHA_COMP_EN register updated */
- FBC_IDLE_FORCE_ALPHA_COMP_EN = 0x00000010,
- /* Bit 6 - FBC_ZERO_ALPHA_CHUNK_SKIP_EN register updated */
- FBC_IDLE_FORCE_ZERO_ALPHA_CHUNK_SKIP_EN = 0x00000020,
- /* Bit 7 - FBC_FORCE_COPY_TO_COMP_BUF register updated */
- FBC_IDLE_FORCE_FORCE_COPY_TO_COMP_BUF = 0x00000040,
-
- /* Bit 24 - Memory write to region 0 defined by MC registers. */
- FBC_IDLE_FORCE_MEMORY_WRITE_TO_REGION0 = 0x01000000,
- /* Bit 25 - Memory write to region 1 defined by MC registers */
- FBC_IDLE_FORCE_MEMORY_WRITE_TO_REGION1 = 0x02000000,
- /* Bit 26 - Memory write to region 2 defined by MC registers */
- FBC_IDLE_FORCE_MEMORY_WRITE_TO_REGION2 = 0x04000000,
- /* Bit 27 - Memory write to region 3 defined by MC registers. */
- FBC_IDLE_FORCE_MEMORY_WRITE_TO_REGION3 = 0x08000000,
-
- /* Bit 28 - Memory write from any client other than MCIF */
- FBC_IDLE_FORCE_MEMORY_WRITE_OTHER_THAN_MCIF = 0x10000000,
- /* Bit 29 - CG statics screen signal is inactive */
- FBC_IDLE_FORCE_CG_STATIC_SCREEN_IS_INACTIVE = 0x20000000,
-};
-
-static uint32_t lpt_size_alignment(struct dce80_compressor *cp80)
-{
- /*LPT_ALIGNMENT (in bytes) = ROW_SIZE * #BANKS * # DRAM CHANNELS. */
- return cp80->base.raw_size * cp80->base.banks_num *
- cp80->base.dram_channels_num;
-}
-
-static uint32_t lpt_memory_control_config(struct dce80_compressor *cp80,
- uint32_t lpt_control)
-{
- /*LPT MC Config */
- if (cp80->base.options.bits.LPT_MC_CONFIG == 1) {
- /* POSSIBLE VALUES for LPT NUM_PIPES (DRAM CHANNELS):
- * 00 - 1 CHANNEL
- * 01 - 2 CHANNELS
- * 02 - 4 OR 6 CHANNELS
- * (Only for discrete GPU, N/A for CZ)
- * 03 - 8 OR 12 CHANNELS
- * (Only for discrete GPU, N/A for CZ) */
- switch (cp80->base.dram_channels_num) {
- case 2:
- set_reg_field_value(
- lpt_control,
- 1,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_NUM_PIPES);
- break;
- case 1:
- set_reg_field_value(
- lpt_control,
- 0,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_NUM_PIPES);
- break;
- default:
- dm_logger_write(
- cp80->base.ctx->logger, LOG_WARNING,
- "%s: Invalid LPT NUM_PIPES!!!",
- __func__);
- break;
- }
-
- /* The mapping for LPT NUM_BANKS is in
- * GRPH_CONTROL.GRPH_NUM_BANKS register field
- * Specifies the number of memory banks for tiling
- * purposes. Only applies to 2D and 3D tiling modes.
- * POSSIBLE VALUES:
- * 00 - DCP_GRPH_NUM_BANKS_2BANK: ADDR_SURF_2_BANK
- * 01 - DCP_GRPH_NUM_BANKS_4BANK: ADDR_SURF_4_BANK
- * 02 - DCP_GRPH_NUM_BANKS_8BANK: ADDR_SURF_8_BANK
- * 03 - DCP_GRPH_NUM_BANKS_16BANK: ADDR_SURF_16_BANK */
- switch (cp80->base.banks_num) {
- case 16:
- set_reg_field_value(
- lpt_control,
- 3,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_NUM_BANKS);
- break;
- case 8:
- set_reg_field_value(
- lpt_control,
- 2,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_NUM_BANKS);
- break;
- case 4:
- set_reg_field_value(
- lpt_control,
- 1,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_NUM_BANKS);
- break;
- case 2:
- set_reg_field_value(
- lpt_control,
- 0,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_NUM_BANKS);
- break;
- default:
- dm_logger_write(
- cp80->base.ctx->logger, LOG_WARNING,
- "%s: Invalid LPT NUM_BANKS!!!",
- __func__);
- break;
- }
-
- /* The mapping is in DMIF_ADDR_CALC.
- * ADDR_CONFIG_PIPE_INTERLEAVE_SIZE register field for
- * Carrizo specifies the memory interleave per pipe.
- * It effectively specifies the location of pipe bits in
- * the memory address.
- * POSSIBLE VALUES:
- * 00 - ADDR_CONFIG_PIPE_INTERLEAVE_256B: 256 byte
- * interleave
- * 01 - ADDR_CONFIG_PIPE_INTERLEAVE_512B: 512 byte
- * interleave
- */
- switch (cp80->base.channel_interleave_size) {
- case 256: /*256B */
- set_reg_field_value(
- lpt_control,
- 0,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_PIPE_INTERLEAVE_SIZE);
- break;
- case 512: /*512B */
- set_reg_field_value(
- lpt_control,
- 1,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_PIPE_INTERLEAVE_SIZE);
- break;
- default:
- dm_logger_write(
- cp80->base.ctx->logger, LOG_WARNING,
- "%s: Invalid LPT INTERLEAVE_SIZE!!!",
- __func__);
- break;
- }
-
- /* The mapping for LOW_POWER_TILING_ROW_SIZE is in
- * DMIF_ADDR_CALC.ADDR_CONFIG_ROW_SIZE register field
- * for Carrizo. Specifies the size of dram row in bytes.
- * This should match up with NOOFCOLS field in
- * MC_ARB_RAMCFG (ROW_SIZE = 4 * 2 ^^ columns).
- * This register DMIF_ADDR_CALC is not used by the
- * hardware as it is only used for addrlib assertions.
- * POSSIBLE VALUES:
- * 00 - ADDR_CONFIG_1KB_ROW: Treat 1KB as DRAM row
- * boundary
- * 01 - ADDR_CONFIG_2KB_ROW: Treat 2KB as DRAM row
- * boundary
- * 02 - ADDR_CONFIG_4KB_ROW: Treat 4KB as DRAM row
- * boundary */
- switch (cp80->base.raw_size) {
- case 4096: /*4 KB */
- set_reg_field_value(
- lpt_control,
- 2,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_ROW_SIZE);
- break;
- case 2048:
- set_reg_field_value(
- lpt_control,
- 1,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_ROW_SIZE);
- break;
- case 1024:
- set_reg_field_value(
- lpt_control,
- 0,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_ROW_SIZE);
- break;
- default:
- dm_logger_write(
- cp80->base.ctx->logger, LOG_WARNING,
- "%s: Invalid LPT ROW_SIZE!!!",
- __func__);
- break;
- }
- } else {
- dm_logger_write(
- cp80->base.ctx->logger, LOG_WARNING,
- "%s: LPT MC Configuration is not provided",
- __func__);
- }
-
- return lpt_control;
-}
-
-static bool is_source_bigger_than_epanel_size(
- struct dce80_compressor *cp80,
- uint32_t source_view_width,
- uint32_t source_view_height)
-{
- if (cp80->base.embedded_panel_h_size != 0 &&
- cp80->base.embedded_panel_v_size != 0 &&
- ((source_view_width * source_view_height) >
- (cp80->base.embedded_panel_h_size *
- cp80->base.embedded_panel_v_size)))
- return true;
-
- return false;
-}
-
-static uint32_t align_to_chunks_number_per_line(
- struct dce80_compressor *cp80,
- uint32_t pixels)
-{
- return 256 * ((pixels + 255) / 256);
-}
-
-static void wait_for_fbc_state_changed(
- struct dce80_compressor *cp80,
- bool enabled)
-{
- uint8_t counter = 0;
- uint32_t addr = mmFBC_STATUS;
- uint32_t value;
-
- while (counter < 10) {
- value = dm_read_reg(cp80->base.ctx, addr);
- if (get_reg_field_value(
- value,
- FBC_STATUS,
- FBC_ENABLE_STATUS) == enabled)
- break;
- udelay(10);
- counter++;
- }
-
- if (counter == 10) {
- dm_logger_write(
- cp80->base.ctx->logger, LOG_WARNING,
- "%s: wait counter exceeded, changes to HW not applied",
- __func__);
- }
-}
-
-void dce80_compressor_power_up_fbc(struct compressor *compressor)
-{
- uint32_t value;
- uint32_t addr;
-
- addr = mmFBC_CNTL;
- value = dm_read_reg(compressor->ctx, addr);
- set_reg_field_value(value, 0, FBC_CNTL, FBC_GRPH_COMP_EN);
- set_reg_field_value(value, 1, FBC_CNTL, FBC_EN);
- set_reg_field_value(value, 2, FBC_CNTL, FBC_COHERENCY_MODE);
- dm_write_reg(compressor->ctx, addr, value);
-
- addr = mmFBC_COMP_MODE;
- value = dm_read_reg(compressor->ctx, addr);
- set_reg_field_value(value, 1, FBC_COMP_MODE, FBC_RLE_EN);
- set_reg_field_value(value, 1, FBC_COMP_MODE, FBC_DPCM4_RGB_EN);
- set_reg_field_value(value, 1, FBC_COMP_MODE, FBC_IND_EN);
- dm_write_reg(compressor->ctx, addr, value);
-
- addr = mmFBC_COMP_CNTL;
- value = dm_read_reg(compressor->ctx, addr);
- set_reg_field_value(value, 1, FBC_COMP_CNTL, FBC_DEPTH_RGB08_EN);
- dm_write_reg(compressor->ctx, addr, value);
- /*FBC_MIN_COMPRESSION 0 ==> 2:1 */
- /* 1 ==> 4:1 */
- /* 2 ==> 8:1 */
- /* 0xF ==> 1:1 */
- set_reg_field_value(value, 0xF, FBC_COMP_CNTL, FBC_MIN_COMPRESSION);
- dm_write_reg(compressor->ctx, addr, value);
- compressor->min_compress_ratio = FBC_COMPRESS_RATIO_1TO1;
-
- value = 0;
- dm_write_reg(compressor->ctx, mmFBC_IND_LUT0, value);
-
- value = 0xFFFFFF;
- dm_write_reg(compressor->ctx, mmFBC_IND_LUT1, value);
-}
-
-void dce80_compressor_enable_fbc(
- struct compressor *compressor,
- uint32_t paths_num,
- struct compr_addr_and_pitch_params *params)
-{
- struct dce80_compressor *cp80 = TO_DCE80_COMPRESSOR(compressor);
-
- if (compressor->options.bits.FBC_SUPPORT &&
- (compressor->options.bits.DUMMY_BACKEND == 0) &&
- (!dce80_compressor_is_fbc_enabled_in_hw(compressor, NULL)) &&
- (!is_source_bigger_than_epanel_size(
- cp80,
- params->source_view_width,
- params->source_view_height))) {
-
- uint32_t addr;
- uint32_t value;
-
- /* Before enabling FBC first need to enable LPT if applicable
- * LPT state should always be changed (enable/disable) while FBC
- * is disabled */
- if (compressor->options.bits.LPT_SUPPORT && (paths_num < 2) &&
- (params->source_view_width *
- params->source_view_height <=
- dce8_one_lpt_channel_max_resolution)) {
- dce80_compressor_enable_lpt(compressor);
- }
-
- addr = mmFBC_CNTL;
- value = dm_read_reg(compressor->ctx, addr);
- set_reg_field_value(value, 1, FBC_CNTL, FBC_GRPH_COMP_EN);
- set_reg_field_value(
- value,
- params->inst,
- FBC_CNTL, FBC_SRC_SEL);
- dm_write_reg(compressor->ctx, addr, value);
-
- /* Keep track of enum controller_id FBC is attached to */
- compressor->is_enabled = true;
- compressor->attached_inst = params->inst;
- cp80->offsets = reg_offsets[params->inst];
-
- /*Toggle it as there is bug in HW */
- set_reg_field_value(value, 0, FBC_CNTL, FBC_GRPH_COMP_EN);
- dm_write_reg(compressor->ctx, addr, value);
- set_reg_field_value(value, 1, FBC_CNTL, FBC_GRPH_COMP_EN);
- dm_write_reg(compressor->ctx, addr, value);
-
- wait_for_fbc_state_changed(cp80, true);
- }
-}
-
-void dce80_compressor_disable_fbc(struct compressor *compressor)
-{
- struct dce80_compressor *cp80 = TO_DCE80_COMPRESSOR(compressor);
-
- if (compressor->options.bits.FBC_SUPPORT &&
- dce80_compressor_is_fbc_enabled_in_hw(compressor, NULL)) {
- uint32_t reg_data;
- /* Turn off compression */
- reg_data = dm_read_reg(compressor->ctx, mmFBC_CNTL);
- set_reg_field_value(reg_data, 0, FBC_CNTL, FBC_GRPH_COMP_EN);
- dm_write_reg(compressor->ctx, mmFBC_CNTL, reg_data);
-
- /* Reset enum controller_id to undefined */
- compressor->attached_inst = 0;
- compressor->is_enabled = false;
-
- /* Whenever disabling FBC make sure LPT is disabled if LPT
- * supported */
- if (compressor->options.bits.LPT_SUPPORT)
- dce80_compressor_disable_lpt(compressor);
-
- wait_for_fbc_state_changed(cp80, false);
- }
-}
-
-bool dce80_compressor_is_fbc_enabled_in_hw(
- struct compressor *compressor,
- uint32_t *inst)
-{
- /* Check the hardware register */
- uint32_t value;
-
- value = dm_read_reg(compressor->ctx, mmFBC_STATUS);
- if (get_reg_field_value(value, FBC_STATUS, FBC_ENABLE_STATUS)) {
- if (inst != NULL)
- *inst = compressor->attached_inst;
- return true;
- }
-
- value = dm_read_reg(compressor->ctx, mmFBC_CNTL);
- if (get_reg_field_value(value, FBC_CNTL, FBC_GRPH_COMP_EN)) {
- if (inst != NULL)
- *inst = compressor->attached_inst;
- return true;
- }
-
- return false;
-}
-
-bool dce80_compressor_is_lpt_enabled_in_hw(struct compressor *compressor)
-{
- /* Check the hardware register */
- uint32_t value = dm_read_reg(compressor->ctx,
- mmLOW_POWER_TILING_CONTROL);
-
- return get_reg_field_value(
- value,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_ENABLE);
-}
-
-void dce80_compressor_program_compressed_surface_address_and_pitch(
- struct compressor *compressor,
- struct compr_addr_and_pitch_params *params)
-{
- struct dce80_compressor *cp80 = TO_DCE80_COMPRESSOR(compressor);
- uint32_t value = 0;
- uint32_t fbc_pitch = 0;
- uint32_t compressed_surf_address_low_part =
- compressor->compr_surface_address.addr.low_part;
-
- /* Clear content first. */
- dm_write_reg(
- compressor->ctx,
- DCP_REG(mmGRPH_COMPRESS_SURFACE_ADDRESS_HIGH),
- 0);
- dm_write_reg(compressor->ctx,
- DCP_REG(mmGRPH_COMPRESS_SURFACE_ADDRESS), 0);
-
- if (compressor->options.bits.LPT_SUPPORT) {
- uint32_t lpt_alignment = lpt_size_alignment(cp80);
-
- if (lpt_alignment != 0) {
- compressed_surf_address_low_part =
- ((compressed_surf_address_low_part
- + (lpt_alignment - 1)) / lpt_alignment)
- * lpt_alignment;
- }
- }
-
- /* Write address, HIGH has to be first. */
- dm_write_reg(compressor->ctx,
- DCP_REG(mmGRPH_COMPRESS_SURFACE_ADDRESS_HIGH),
- compressor->compr_surface_address.addr.high_part);
- dm_write_reg(compressor->ctx,
- DCP_REG(mmGRPH_COMPRESS_SURFACE_ADDRESS),
- compressed_surf_address_low_part);
-
- fbc_pitch = align_to_chunks_number_per_line(
- cp80,
- params->source_view_width);
-
- if (compressor->min_compress_ratio == FBC_COMPRESS_RATIO_1TO1)
- fbc_pitch = fbc_pitch / 8;
- else
- dm_logger_write(
- compressor->ctx->logger, LOG_WARNING,
- "%s: Unexpected DCE8 compression ratio",
- __func__);
-
- /* Clear content first. */
- dm_write_reg(compressor->ctx, DCP_REG(mmGRPH_COMPRESS_PITCH), 0);
-
- /* Write FBC Pitch. */
- set_reg_field_value(
- value,
- fbc_pitch,
- GRPH_COMPRESS_PITCH,
- GRPH_COMPRESS_PITCH);
- dm_write_reg(compressor->ctx, DCP_REG(mmGRPH_COMPRESS_PITCH), value);
-
-}
-
-void dce80_compressor_disable_lpt(struct compressor *compressor)
-{
- struct dce80_compressor *cp80 = TO_DCE80_COMPRESSOR(compressor);
- uint32_t value;
- uint32_t addr;
- uint32_t inx;
-
- /* Disable all pipes LPT Stutter */
- for (inx = 0; inx < 3; inx++) {
- value =
- dm_read_reg(
- compressor->ctx,
- DMIF_REG(mmDPG_PIPE_STUTTER_CONTROL_NONLPTCH));
- set_reg_field_value(
- value,
- 0,
- DPG_PIPE_STUTTER_CONTROL_NONLPTCH,
- STUTTER_ENABLE_NONLPTCH);
- dm_write_reg(
- compressor->ctx,
- DMIF_REG(mmDPG_PIPE_STUTTER_CONTROL_NONLPTCH),
- value);
- }
-
- /* Disable LPT */
- addr = mmLOW_POWER_TILING_CONTROL;
- value = dm_read_reg(compressor->ctx, addr);
- set_reg_field_value(
- value,
- 0,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_ENABLE);
- dm_write_reg(compressor->ctx, addr, value);
-
- /* Clear selection of Channel(s) containing Compressed Surface */
- addr = mmGMCON_LPT_TARGET;
- value = dm_read_reg(compressor->ctx, addr);
- set_reg_field_value(
- value,
- 0xFFFFFFFF,
- GMCON_LPT_TARGET,
- STCTRL_LPT_TARGET);
- dm_write_reg(compressor->ctx, mmGMCON_LPT_TARGET, value);
-}
-
-void dce80_compressor_enable_lpt(struct compressor *compressor)
-{
- struct dce80_compressor *cp80 = TO_DCE80_COMPRESSOR(compressor);
- uint32_t value;
- uint32_t addr;
- uint32_t value_control;
- uint32_t channels;
-
- /* Enable LPT Stutter from Display pipe */
- value = dm_read_reg(compressor->ctx,
- DMIF_REG(mmDPG_PIPE_STUTTER_CONTROL_NONLPTCH));
- set_reg_field_value(
- value,
- 1,
- DPG_PIPE_STUTTER_CONTROL_NONLPTCH,
- STUTTER_ENABLE_NONLPTCH);
- dm_write_reg(compressor->ctx,
- DMIF_REG(mmDPG_PIPE_STUTTER_CONTROL_NONLPTCH), value);
-
- /* Selection of Channel(s) containing Compressed Surface: 0xfffffff
- * will disable LPT.
- * STCTRL_LPT_TARGETn corresponds to channel n. */
- addr = mmLOW_POWER_TILING_CONTROL;
- value_control = dm_read_reg(compressor->ctx, addr);
- channels = get_reg_field_value(value_control,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_MODE);
-
- addr = mmGMCON_LPT_TARGET;
- value = dm_read_reg(compressor->ctx, addr);
- set_reg_field_value(
- value,
- channels + 1, /* not mentioned in programming guide,
- but follow DCE8.1 */
- GMCON_LPT_TARGET,
- STCTRL_LPT_TARGET);
- dm_write_reg(compressor->ctx, addr, value);
-
- /* Enable LPT */
- addr = mmLOW_POWER_TILING_CONTROL;
- value = dm_read_reg(compressor->ctx, addr);
- set_reg_field_value(
- value,
- 1,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_ENABLE);
- dm_write_reg(compressor->ctx, addr, value);
-}
-
-void dce80_compressor_program_lpt_control(
- struct compressor *compressor,
- struct compr_addr_and_pitch_params *params)
-{
- struct dce80_compressor *cp80 = TO_DCE80_COMPRESSOR(compressor);
- uint32_t rows_per_channel;
- uint32_t lpt_alignment;
- uint32_t source_view_width;
- uint32_t source_view_height;
- uint32_t lpt_control = 0;
-
- if (!compressor->options.bits.LPT_SUPPORT)
- return;
-
- lpt_control = dm_read_reg(compressor->ctx,
- mmLOW_POWER_TILING_CONTROL);
-
- /* POSSIBLE VALUES for Low Power Tiling Mode:
- * 00 - Use channel 0
- * 01 - Use Channel 0 and 1
- * 02 - Use Channel 0,1,2,3
- * 03 - reserved */
- switch (compressor->lpt_channels_num) {
- /* case 2:
- * Use Channel 0 & 1 / Not used for DCE 11 */
- case 1:
- /*Use Channel 0 for LPT for DCE 11 */
- set_reg_field_value(
- lpt_control,
- 0,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_MODE);
- break;
- default:
- dm_logger_write(
- compressor->ctx->logger, LOG_WARNING,
- "%s: Invalid selected DRAM channels for LPT!!!",
- __func__);
- break;
- }
-
- lpt_control = lpt_memory_control_config(cp80, lpt_control);
-
- /* Program LOW_POWER_TILING_ROWS_PER_CHAN field which depends on
- * FBC compressed surface pitch.
- * LOW_POWER_TILING_ROWS_PER_CHAN = Roundup ((Surface Height *
- * Surface Pitch) / (Row Size * Number of Channels *
- * Number of Banks)). */
- rows_per_channel = 0;
- lpt_alignment = lpt_size_alignment(cp80);
- source_view_width =
- align_to_chunks_number_per_line(
- cp80,
- params->source_view_width);
- source_view_height = (params->source_view_height + 1) & (~0x1);
-
- if (lpt_alignment != 0) {
- rows_per_channel = source_view_width * source_view_height * 4;
- rows_per_channel =
- (rows_per_channel % lpt_alignment) ?
- (rows_per_channel / lpt_alignment + 1) :
- rows_per_channel / lpt_alignment;
- }
-
- set_reg_field_value(
- lpt_control,
- rows_per_channel,
- LOW_POWER_TILING_CONTROL,
- LOW_POWER_TILING_ROWS_PER_CHAN);
-
- dm_write_reg(compressor->ctx,
- mmLOW_POWER_TILING_CONTROL, lpt_control);
-}
-
-/*
- * DCE 11 Frame Buffer Compression Implementation
- */
-
-void dce80_compressor_set_fbc_invalidation_triggers(
- struct compressor *compressor,
- uint32_t fbc_trigger)
-{
- /* Disable region hit event, FBC_MEMORY_REGION_MASK = 0 (bits 16-19)
- * for DCE 11 regions cannot be used - does not work with S/G
- */
- uint32_t addr = mmFBC_CLIENT_REGION_MASK;
- uint32_t value = dm_read_reg(compressor->ctx, addr);
-
- set_reg_field_value(
- value,
- 0,
- FBC_CLIENT_REGION_MASK,
- FBC_MEMORY_REGION_MASK);
- dm_write_reg(compressor->ctx, addr, value);
-
- /* Setup events when to clear all CSM entries (effectively marking
- * current compressed data invalid)
- * For DCE 11 CSM metadata 11111 means - "Not Compressed"
- * Used as the initial value of the metadata sent to the compressor
- * after invalidation, to indicate that the compressor should attempt
- * to compress all chunks on the current pass. Also used when the chunk
- * is not successfully written to memory.
- * When this CSM value is detected, FBC reads from the uncompressed
- * buffer. Set events according to passed in value, these events are
- * valid for DCE8:
- * - bit 0 - display register updated
- * - bit 28 - memory write from any client except from MCIF
- * - bit 29 - CG static screen signal is inactive
- * In addition, DCE8.1 also needs to set new DCE8.1 specific events
- * that are used to trigger invalidation on certain register changes,
- * for example enabling of Alpha Compression may trigger invalidation of
- * FBC once bit is set. These events are as follows:
- * - Bit 2 - FBC_GRPH_COMP_EN register updated
- * - Bit 3 - FBC_SRC_SEL register updated
- * - Bit 4 - FBC_MIN_COMPRESSION register updated
- * - Bit 5 - FBC_ALPHA_COMP_EN register updated
- * - Bit 6 - FBC_ZERO_ALPHA_CHUNK_SKIP_EN register updated
- * - Bit 7 - FBC_FORCE_COPY_TO_COMP_BUF register updated
- */
- addr = mmFBC_IDLE_FORCE_CLEAR_MASK;
- value = dm_read_reg(compressor->ctx, addr);
- set_reg_field_value(
- value,
- fbc_trigger |
- FBC_IDLE_FORCE_GRPH_COMP_EN |
- FBC_IDLE_FORCE_SRC_SEL_CHANGE |
- FBC_IDLE_FORCE_MIN_COMPRESSION_CHANGE |
- FBC_IDLE_FORCE_ALPHA_COMP_EN |
- FBC_IDLE_FORCE_ZERO_ALPHA_CHUNK_SKIP_EN |
- FBC_IDLE_FORCE_FORCE_COPY_TO_COMP_BUF,
- FBC_IDLE_FORCE_CLEAR_MASK,
- FBC_IDLE_FORCE_CLEAR_MASK);
- dm_write_reg(compressor->ctx, addr, value);
-}
-
-void dce80_compressor_construct(struct dce80_compressor *compressor,
- struct dc_context *ctx)
-{
- struct dc_bios *bp = ctx->dc_bios;
- struct embedded_panel_info panel_info;
-
- compressor->base.options.raw = 0;
- compressor->base.options.bits.FBC_SUPPORT = true;
- compressor->base.options.bits.LPT_SUPPORT = true;
- /* For DCE 11 always use one DRAM channel for LPT */
- compressor->base.lpt_channels_num = 1;
- compressor->base.options.bits.DUMMY_BACKEND = false;
-
- /* Check if this system has more than 1 DRAM channel; if only 1 then LPT
- * should not be supported */
- if (compressor->base.memory_bus_width == 64)
- compressor->base.options.bits.LPT_SUPPORT = false;
-
- compressor->base.options.bits.CLK_GATING_DISABLED = false;
-
- compressor->base.ctx = ctx;
- compressor->base.embedded_panel_h_size = 0;
- compressor->base.embedded_panel_v_size = 0;
- compressor->base.memory_bus_width = ctx->asic_id.vram_width;
- compressor->base.allocated_size = 0;
- compressor->base.preferred_requested_size = 0;
- compressor->base.min_compress_ratio = FBC_COMPRESS_RATIO_INVALID;
- compressor->base.banks_num = 0;
- compressor->base.raw_size = 0;
- compressor->base.channel_interleave_size = 0;
- compressor->base.dram_channels_num = 0;
- compressor->base.lpt_channels_num = 0;
- compressor->base.attached_inst = 0;
- compressor->base.is_enabled = false;
-
- if (BP_RESULT_OK ==
- bp->funcs->get_embedded_panel_info(bp, &panel_info)) {
- compressor->base.embedded_panel_h_size =
- panel_info.lcd_timing.horizontal_addressable;
- compressor->base.embedded_panel_v_size =
- panel_info.lcd_timing.vertical_addressable;
- }
-}
-
-struct compressor *dce80_compressor_create(struct dc_context *ctx)
-{
- struct dce80_compressor *cp80 =
- kzalloc(sizeof(struct dce80_compressor), GFP_KERNEL);
-
- if (!cp80)
- return NULL;
-
- dce80_compressor_construct(cp80, ctx);
- return &cp80->base;
-}
-
-void dce80_compressor_destroy(struct compressor **compressor)
-{
- kfree(TO_DCE80_COMPRESSOR(*compressor));
- *compressor = NULL;
-}
projects / openwrt / staging / blogic.git / commitdiff