From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793213872; b=dO1M3WZ0Joo04RAKQhdRF9UOe4LK/Q0ks0gsooR9BxL9rab8ilXTjTyV12LWT1y9BVWU /+DIQU9c/vFaQl4N6n/7F+9TKQN9oMyW+6B+Dyp2PY8m1Sncfa5oDl9FRlOr7ST44mO+f yqVIKzyEP493Q671NkblDey0Gadb+r+/rOJAb2VyDo1o2JitEbpKtPH4NS4dnni6Eh9P8 R8cxFPXs5LGKIRMiRIqIuoCyKOjToa/vM7oAJ8ty7dW5aDK9yJugNM7QXQUaRA12yEyMJ 0tX14hmK5WwhMBqkh/1BUzDpLsNl+BflmXGrbgeFfyyaFxcAIjCMFa+5sMlEbKTu2Aw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793213872; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=sRfyR1e98U8v4I97z5m5PN+NgwTt6kOUU5b7DvZMqFM=; b=3jCzHrttckZkfElXdTWr37SJQwO1LstIXIfN+LkLpmYCu1MIwtxi0bu0iXyb1NY3Rsf5 xdxVdNaMOopdXstOsyw5DuRmoy57xH1lgh8fyNQ2oMwe+rlXexZjB7GxipK1b+2y9pss2 lYOHcVApXewjxD+v+1uvsootnxiAxbz0hR2i6Aj9+bswAIw5E9bsrkZzjONdKfXPxoQS5 aVH1OckEIGd/ivPEgxkRluu1J096Fs1SoEB6P8rsFlW1hceCx999LQIEWtmW9viGG2RfV oUSlUwRmR4hvbCQYQdmcSTCwjr6BgMfcTEpqtzLV/FBfHyP1l0fGdH4eY8GYf1Op2Gw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=S8a0ua7q; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 44CEF606A31C; Wed, 28 Oct 2026 18:57:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=S8a0ua7q Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6958A1F01825; Wed, 28 Oct 2026 18:57:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793213872; bh=sRfyR1e98U8v4I97z5m5PN+NgwTt6kOUU5b7DvZMqFM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=S8a0ua7qV2k0dTtO2is4kKIepx+PdhGDOUkPJP6EK5yTYZl6HCzAiGXfmn9/tYcNB ZnuQf4M/sXNyqpPdfZSzR7YbTp8edxCvhZtMSofttf8Bc5ilax52heATaPibvGLbMd VtcA3mfrHr8inDcY1bo/ByKF0cR5McsYPZXOtzdk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Rodrigo Siqueira , Leon Huang , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 6.1 0658/1887] drm/amd/display: Refactor ABM feature Date: Wed, 28 Oct 2026 17:45:54 +0100 Message-ID: <20261028170514.383576380@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261028170459.200466217@linuxfoundation.org> References: <20261028170459.200466217@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: patches@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Leon Huang [ Upstream commit b8fe56375f78835db47565d91ea9d21767fe3c08 ] [Why] Refactor ABM feature and implement inbox command for DMUB. [How] Implement the ioctl to send inbox command to DMUB. Reviewed-by: Rodrigo Siqueira Signed-off-by: Leon Huang Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Stable-dep-of: d6b54900c564 ("drm/amd/display: Avoid overflow from uint32_t to uint8_t") Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dce/Makefile | 2 +- drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c | 264 +++++++--------- .../gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c | 286 ++++++++++++++++++ .../gpu/drm/amd/display/dc/dce/dmub_abm_lcd.h | 46 +++ drivers/gpu/drm/amd/display/dc/inc/hw/abm.h | 6 + 5 files changed, 442 insertions(+), 162 deletions(-) create mode 100644 drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c create mode 100644 drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.h diff --git a/drivers/gpu/drm/amd/display/dc/dce/Makefile b/drivers/gpu/drm/amd/display/dc/dce/Makefile index 0d7db132a20fe..01490c9ba9587 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dce/Makefile @@ -29,7 +29,7 @@ DCE = dce_audio.o dce_stream_encoder.o dce_link_encoder.o dce_hwseq.o \ dce_mem_input.o dce_clock_source.o dce_scl_filters.o dce_transform.o \ dce_opp.o dce_dmcu.o dce_abm.o dce_ipp.o dce_aux.o \ -dce_i2c.o dce_i2c_hw.o dce_i2c_sw.o dmub_psr.o dmub_abm.o dce_panel_cntl.o \ +dce_i2c.o dce_i2c_hw.o dce_i2c_sw.o dmub_psr.o dmub_abm.o dmub_abm_lcd.o dce_panel_cntl.o \ dmub_hw_lock_mgr.o dmub_outbox.o AMD_DAL_DCE = $(addprefix $(AMDDALPATH)/dc/dce/,$(DCE)) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c index fb0dec4ed3a6c..30bc598811875 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c @@ -24,212 +24,151 @@ */ #include "dmub_abm.h" -#include "dce_abm.h" +#include "dmub_abm_lcd.h" #include "dc.h" -#include "dc_dmub_srv.h" -#include "dmub/dmub_srv.h" #include "core_types.h" -#include "dm_services.h" -#include "reg_helper.h" -#include "fixed31_32.h" - -#include "atom.h" #define TO_DMUB_ABM(abm)\ container_of(abm, struct dce_abm, base) -#define REG(reg) \ - (dce_abm->regs->reg) +#define ABM_FEATURE_NO_SUPPORT 0 +#define ABM_LCD_SUPPORT 1 -#undef FN -#define FN(reg_name, field_name) \ - dce_abm->abm_shift->field_name, dce_abm->abm_mask->field_name +static unsigned int abm_feature_support(struct abm *abm, unsigned int panel_inst) +{ + struct dc_context *dc = abm->ctx; + struct dc_link *edp_links[MAX_NUM_EDP]; + int i; + int edp_num; + unsigned int ret = ABM_FEATURE_NO_SUPPORT; -#define CTX \ - dce_abm->base.ctx + get_edp_links(dc->dc, edp_links, &edp_num); -#define DISABLE_ABM_IMMEDIATELY 255 + for (i = 0; i < edp_num; i++) { + if (panel_inst == i) + break; + } + if (i < edp_num) { + ret = ABM_LCD_SUPPORT; + } + return ret; +} -static void dmub_abm_enable_fractional_pwm(struct dc_context *dc) +static void dmub_abm_init_ex(struct abm *abm, uint32_t backlight) { - union dmub_rb_cmd cmd; - uint32_t fractional_pwm = (dc->dc->config.disable_fractional_pwm == false) ? 1 : 0; - uint32_t edp_id_count = dc->dc_edp_id_count; - int i; - uint8_t panel_mask = 0; - - for (i = 0; i < edp_id_count; i++) - panel_mask |= 0x01 << i; - - memset(&cmd, 0, sizeof(cmd)); - cmd.abm_set_pwm_frac.header.type = DMUB_CMD__ABM; - cmd.abm_set_pwm_frac.header.sub_type = DMUB_CMD__ABM_SET_PWM_FRAC; - cmd.abm_set_pwm_frac.abm_set_pwm_frac_data.fractional_pwm = fractional_pwm; - cmd.abm_set_pwm_frac.abm_set_pwm_frac_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; - cmd.abm_set_pwm_frac.abm_set_pwm_frac_data.panel_mask = panel_mask; - cmd.abm_set_pwm_frac.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_pwm_frac_data); - - dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); - dc_dmub_srv_cmd_execute(dc->dmub_srv); - dc_dmub_srv_wait_idle(dc->dmub_srv); + dmub_abm_init(abm, backlight); } -static void dmub_abm_init(struct abm *abm, uint32_t backlight) +static unsigned int dmub_abm_get_current_backlight_ex(struct abm *abm) { - struct dce_abm *dce_abm = TO_DMUB_ABM(abm); - - REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x3); - REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x1); - REG_WRITE(DC_ABM1_LS_SAMPLE_RATE, 0x3); - REG_WRITE(DC_ABM1_LS_SAMPLE_RATE, 0x1); - REG_WRITE(BL1_PWM_BL_UPDATE_SAMPLE_RATE, 0x1); - - REG_SET_3(DC_ABM1_HG_MISC_CTRL, 0, - ABM1_HG_NUM_OF_BINS_SEL, 0, - ABM1_HG_VMAX_SEL, 1, - ABM1_HG_BIN_BITWIDTH_SIZE_SEL, 0); - - REG_SET_3(DC_ABM1_IPCSC_COEFF_SEL, 0, - ABM1_IPCSC_COEFF_SEL_R, 2, - ABM1_IPCSC_COEFF_SEL_G, 4, - ABM1_IPCSC_COEFF_SEL_B, 2); + return dmub_abm_get_current_backlight(abm); +} - REG_UPDATE(BL1_PWM_CURRENT_ABM_LEVEL, - BL1_PWM_CURRENT_ABM_LEVEL, backlight); +static unsigned int dmub_abm_get_target_backlight_ex(struct abm *abm) +{ + return dmub_abm_get_target_backlight(abm); +} - REG_UPDATE(BL1_PWM_TARGET_ABM_LEVEL, - BL1_PWM_TARGET_ABM_LEVEL, backlight); +static bool dmub_abm_set_level_ex(struct abm *abm, uint32_t level) +{ + bool ret = false; + unsigned int feature_support, i; + uint8_t panel_mask0 = 0; - REG_UPDATE(BL1_PWM_USER_LEVEL, - BL1_PWM_USER_LEVEL, backlight); + for (i = 0; i < MAX_NUM_EDP; i++) { + feature_support = abm_feature_support(abm, i); - REG_UPDATE_2(DC_ABM1_LS_MIN_MAX_PIXEL_VALUE_THRES, - ABM1_LS_MIN_PIXEL_VALUE_THRES, 0, - ABM1_LS_MAX_PIXEL_VALUE_THRES, 1000); + if (feature_support == ABM_LCD_SUPPORT) + panel_mask0 |= (0x01 << i); + } - REG_SET_3(DC_ABM1_HGLS_REG_READ_PROGRESS, 0, - ABM1_HG_REG_READ_MISSED_FRAME_CLEAR, 1, - ABM1_LS_REG_READ_MISSED_FRAME_CLEAR, 1, - ABM1_BL_REG_READ_MISSED_FRAME_CLEAR, 1); + if (panel_mask0) + ret = dmub_abm_set_level(abm, level, panel_mask0); - dmub_abm_enable_fractional_pwm(abm->ctx); + return ret; } -static unsigned int dmub_abm_get_current_backlight(struct abm *abm) +static bool dmub_abm_init_config_ex(struct abm *abm, + const char *src, + unsigned int bytes, + unsigned int inst) { - struct dce_abm *dce_abm = TO_DMUB_ABM(abm); - unsigned int backlight = REG_READ(BL1_PWM_CURRENT_ABM_LEVEL); + unsigned int feature_support; - /* return backlight in hardware format which is unsigned 17 bits, with - * 1 bit integer and 16 bit fractional - */ - return backlight; -} + feature_support = abm_feature_support(abm, inst); -static unsigned int dmub_abm_get_target_backlight(struct abm *abm) -{ - struct dce_abm *dce_abm = TO_DMUB_ABM(abm); - unsigned int backlight = REG_READ(BL1_PWM_TARGET_ABM_LEVEL); + if (feature_support == ABM_LCD_SUPPORT) + dmub_abm_init_config(abm, src, bytes, inst); - /* return backlight in hardware format which is unsigned 17 bits, with - * 1 bit integer and 16 bit fractional - */ - return backlight; + return true; } -static bool dmub_abm_set_level(struct abm *abm, uint32_t level) +static bool dmub_abm_set_pause_ex(struct abm *abm, bool pause, unsigned int panel_inst, unsigned int stream_inst) { - union dmub_rb_cmd cmd; - struct dc_context *dc = abm->ctx; - struct dc_link *edp_links[MAX_NUM_EDP]; - int i; - int edp_num; - uint8_t panel_mask = 0; + bool ret = false; + unsigned int feature_support; - get_edp_links(dc->dc, edp_links, &edp_num); - - for (i = 0; i < edp_num; i++) { - if (edp_links[i]->link_status.link_active) - panel_mask |= (0x01 << i); - } - - memset(&cmd, 0, sizeof(cmd)); - cmd.abm_set_level.header.type = DMUB_CMD__ABM; - cmd.abm_set_level.header.sub_type = DMUB_CMD__ABM_SET_LEVEL; - cmd.abm_set_level.abm_set_level_data.level = level; - cmd.abm_set_level.abm_set_level_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; - cmd.abm_set_level.abm_set_level_data.panel_mask = panel_mask; - cmd.abm_set_level.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_level_data); + feature_support = abm_feature_support(abm, panel_inst); - dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); - dc_dmub_srv_cmd_execute(dc->dmub_srv); - dc_dmub_srv_wait_idle(dc->dmub_srv); + if (feature_support == ABM_LCD_SUPPORT) + ret = dmub_abm_set_pause(abm, pause, panel_inst, stream_inst); - return true; + return ret; } -static bool dmub_abm_init_config(struct abm *abm, - const char *src, - unsigned int bytes, - unsigned int inst) +static bool dmub_abm_set_pipe_ex(struct abm *abm, uint32_t otg_inst, uint32_t option, uint32_t panel_inst) { - union dmub_rb_cmd cmd; - struct dc_context *dc = abm->ctx; - uint8_t panel_mask = 0x01 << inst; + bool ret = false; + unsigned int feature_support; - // TODO: Optimize by only reading back final 4 bytes - dmub_flush_buffer_mem(&dc->dmub_srv->dmub->scratch_mem_fb); + feature_support = abm_feature_support(abm, panel_inst); - // Copy iramtable into cw7 - memcpy(dc->dmub_srv->dmub->scratch_mem_fb.cpu_addr, (void *)src, bytes); + if (feature_support == ABM_LCD_SUPPORT) + ret = dmub_abm_set_pipe(abm, otg_inst, option, panel_inst); - memset(&cmd, 0, sizeof(cmd)); - // Fw will copy from cw7 to fw_state - cmd.abm_init_config.header.type = DMUB_CMD__ABM; - cmd.abm_init_config.header.sub_type = DMUB_CMD__ABM_INIT_CONFIG; - cmd.abm_init_config.abm_init_config_data.src.quad_part = dc->dmub_srv->dmub->scratch_mem_fb.gpu_addr; - cmd.abm_init_config.abm_init_config_data.bytes = bytes; - cmd.abm_init_config.abm_init_config_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; - cmd.abm_init_config.abm_init_config_data.panel_mask = panel_mask; + return ret; +} - cmd.abm_init_config.header.payload_bytes = sizeof(struct dmub_cmd_abm_init_config_data); +static bool dmub_abm_set_event_ex(struct abm *abm, unsigned int full_screen, unsigned int video_mode, + unsigned int hdr_mode, unsigned int panel_inst) +{ + bool ret = false; + unsigned int feature_support; - dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); - dc_dmub_srv_cmd_execute(dc->dmub_srv); - dc_dmub_srv_wait_idle(dc->dmub_srv); + feature_support = abm_feature_support(abm, panel_inst); - return true; + return ret; } -static bool dmub_abm_set_pause(struct abm *abm, bool pause, unsigned int panel_inst, unsigned int stream_inst) +static bool dmub_abm_set_backlight_level_pwm_ex(struct abm *abm, + unsigned int backlight_pwm_u16_16, + unsigned int frame_ramp, + unsigned int controller_id, + unsigned int panel_inst) { - union dmub_rb_cmd cmd; - struct dc_context *dc = abm->ctx; - uint8_t panel_mask = 0x01 << panel_inst; + bool ret = false; + unsigned int feature_support; - memset(&cmd, 0, sizeof(cmd)); - cmd.abm_pause.header.type = DMUB_CMD__ABM; - cmd.abm_pause.header.sub_type = DMUB_CMD__ABM_PAUSE; - cmd.abm_pause.abm_pause_data.enable = pause; - cmd.abm_pause.abm_pause_data.panel_mask = panel_mask; - cmd.abm_set_level.header.payload_bytes = sizeof(struct dmub_cmd_abm_pause_data); + feature_support = abm_feature_support(abm, panel_inst); - dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); - dc_dmub_srv_cmd_execute(dc->dmub_srv); - dc_dmub_srv_wait_idle(dc->dmub_srv); + if (feature_support == ABM_LCD_SUPPORT) + ret = dmub_abm_set_backlight_level(abm, backlight_pwm_u16_16, frame_ramp, panel_inst); - return true; + return ret; } static const struct abm_funcs abm_funcs = { - .abm_init = dmub_abm_init, - .set_abm_level = dmub_abm_set_level, - .get_current_backlight = dmub_abm_get_current_backlight, - .get_target_backlight = dmub_abm_get_target_backlight, - .init_abm_config = dmub_abm_init_config, - .set_abm_pause = dmub_abm_set_pause, + .abm_init = dmub_abm_init_ex, + .set_abm_level = dmub_abm_set_level_ex, + .get_current_backlight = dmub_abm_get_current_backlight_ex, + .get_target_backlight = dmub_abm_get_target_backlight_ex, + .init_abm_config = dmub_abm_init_config_ex, + .set_abm_pause = dmub_abm_set_pause_ex, + .set_pipe_ex = dmub_abm_set_pipe_ex, + .set_abm_event = dmub_abm_set_event_ex, + .set_backlight_level_pwm = dmub_abm_set_backlight_level_pwm_ex, }; static void dmub_abm_construct( @@ -256,16 +195,19 @@ struct abm *dmub_abm_create( const struct dce_abm_shift *abm_shift, const struct dce_abm_mask *abm_mask) { - struct dce_abm *abm_dce = kzalloc(sizeof(*abm_dce), GFP_KERNEL); + if (ctx->dc->caps.dmcub_support) { + struct dce_abm *abm_dce = kzalloc(sizeof(*abm_dce), GFP_KERNEL); - if (abm_dce == NULL) { - BREAK_TO_DEBUGGER(); - return NULL; - } + if (abm_dce == NULL) { + BREAK_TO_DEBUGGER(); + return NULL; + } - dmub_abm_construct(abm_dce, ctx, regs, abm_shift, abm_mask); + dmub_abm_construct(abm_dce, ctx, regs, abm_shift, abm_mask); - return &abm_dce->base; + return &abm_dce->base; + } + return NULL; } void dmub_abm_destroy(struct abm **abm) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c new file mode 100644 index 0000000000000..4055d271ac57f --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.c @@ -0,0 +1,286 @@ +/* + * Copyright 2019 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 "dmub_abm.h" +#include "dce_abm.h" +#include "dc.h" +#include "dc_dmub_srv.h" +#include "dmub/dmub_srv.h" +#include "core_types.h" +#include "dm_services.h" +#include "reg_helper.h" +#include "fixed31_32.h" + +#ifdef _WIN32 +#include "atombios.h" +#else +#include "atom.h" +#endif + +#define TO_DMUB_ABM(abm)\ + container_of(abm, struct dce_abm, base) + +#define REG(reg) \ + (dce_abm->regs->reg) + +#undef FN +#define FN(reg_name, field_name) \ + dce_abm->abm_shift->field_name, dce_abm->abm_mask->field_name + +#define CTX \ + dce_abm->base.ctx + +#define DISABLE_ABM_IMMEDIATELY 255 + + + +static void dmub_abm_enable_fractional_pwm(struct dc_context *dc) +{ + union dmub_rb_cmd cmd; + uint32_t fractional_pwm = (dc->dc->config.disable_fractional_pwm == false) ? 1 : 0; + uint32_t edp_id_count = dc->dc_edp_id_count; + int i; + uint8_t panel_mask = 0; + + for (i = 0; i < edp_id_count; i++) + panel_mask |= 0x01 << i; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_set_pwm_frac.header.type = DMUB_CMD__ABM; + cmd.abm_set_pwm_frac.header.sub_type = DMUB_CMD__ABM_SET_PWM_FRAC; + cmd.abm_set_pwm_frac.abm_set_pwm_frac_data.fractional_pwm = fractional_pwm; + cmd.abm_set_pwm_frac.abm_set_pwm_frac_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; + cmd.abm_set_pwm_frac.abm_set_pwm_frac_data.panel_mask = panel_mask; + cmd.abm_set_pwm_frac.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_pwm_frac_data); + + dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); + dc_dmub_srv_cmd_execute(dc->dmub_srv); + dc_dmub_srv_wait_idle(dc->dmub_srv); +} + +void dmub_abm_init(struct abm *abm, uint32_t backlight) +{ + struct dce_abm *dce_abm = TO_DMUB_ABM(abm); + + REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x3); + REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x1); + REG_WRITE(DC_ABM1_LS_SAMPLE_RATE, 0x3); + REG_WRITE(DC_ABM1_LS_SAMPLE_RATE, 0x1); + REG_WRITE(BL1_PWM_BL_UPDATE_SAMPLE_RATE, 0x1); + + REG_SET_3(DC_ABM1_HG_MISC_CTRL, 0, + ABM1_HG_NUM_OF_BINS_SEL, 0, + ABM1_HG_VMAX_SEL, 1, + ABM1_HG_BIN_BITWIDTH_SIZE_SEL, 0); + + REG_SET_3(DC_ABM1_IPCSC_COEFF_SEL, 0, + ABM1_IPCSC_COEFF_SEL_R, 2, + ABM1_IPCSC_COEFF_SEL_G, 4, + ABM1_IPCSC_COEFF_SEL_B, 2); + + REG_UPDATE(BL1_PWM_CURRENT_ABM_LEVEL, + BL1_PWM_CURRENT_ABM_LEVEL, backlight); + + REG_UPDATE(BL1_PWM_TARGET_ABM_LEVEL, + BL1_PWM_TARGET_ABM_LEVEL, backlight); + + REG_UPDATE(BL1_PWM_USER_LEVEL, + BL1_PWM_USER_LEVEL, backlight); + + REG_UPDATE_2(DC_ABM1_LS_MIN_MAX_PIXEL_VALUE_THRES, + ABM1_LS_MIN_PIXEL_VALUE_THRES, 0, + ABM1_LS_MAX_PIXEL_VALUE_THRES, 1000); + + REG_SET_3(DC_ABM1_HGLS_REG_READ_PROGRESS, 0, + ABM1_HG_REG_READ_MISSED_FRAME_CLEAR, 1, + ABM1_LS_REG_READ_MISSED_FRAME_CLEAR, 1, + ABM1_BL_REG_READ_MISSED_FRAME_CLEAR, 1); + + dmub_abm_enable_fractional_pwm(abm->ctx); +} + +unsigned int dmub_abm_get_current_backlight(struct abm *abm) +{ + struct dce_abm *dce_abm = TO_DMUB_ABM(abm); + unsigned int backlight = REG_READ(BL1_PWM_CURRENT_ABM_LEVEL); + + /* return backlight in hardware format which is unsigned 17 bits, with + * 1 bit integer and 16 bit fractional + */ + return backlight; +} + +unsigned int dmub_abm_get_target_backlight(struct abm *abm) +{ + struct dce_abm *dce_abm = TO_DMUB_ABM(abm); + unsigned int backlight = REG_READ(BL1_PWM_TARGET_ABM_LEVEL); + + /* return backlight in hardware format which is unsigned 17 bits, with + * 1 bit integer and 16 bit fractional + */ + return backlight; +} + +bool dmub_abm_set_level(struct abm *abm, uint32_t level, uint8_t panel_mask) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_set_level.header.type = DMUB_CMD__ABM; + cmd.abm_set_level.header.sub_type = DMUB_CMD__ABM_SET_LEVEL; + cmd.abm_set_level.abm_set_level_data.level = level; + cmd.abm_set_level.abm_set_level_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; + cmd.abm_set_level.abm_set_level_data.panel_mask = panel_mask; + cmd.abm_set_level.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_level_data); + + dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); + dc_dmub_srv_cmd_execute(dc->dmub_srv); + dc_dmub_srv_wait_idle(dc->dmub_srv); + + return true; +} + +#ifndef TRIM_AMBIENT_GAMMA +void dmub_abm_set_ambient_level(struct abm *abm, unsigned int ambient_lux, uint8_t panel_mask) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + + if (ambient_lux > 0xFFFF) + ambient_lux = 0xFFFF; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_set_ambient_level.header.type = DMUB_CMD__ABM; + cmd.abm_set_ambient_level.header.sub_type = DMUB_CMD__ABM_SET_AMBIENT_LEVEL; + cmd.abm_set_ambient_level.abm_set_ambient_level_data.ambient_lux = ambient_lux; + cmd.abm_set_ambient_level.abm_set_ambient_level_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; + cmd.abm_set_ambient_level.abm_set_ambient_level_data.panel_mask = panel_mask; + cmd.abm_set_ambient_level.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_ambient_level_data); + + dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); + dc_dmub_srv_cmd_execute(dc->dmub_srv); + dc_dmub_srv_wait_idle(dc->dmub_srv); +} +#endif + +void dmub_abm_init_config(struct abm *abm, + const char *src, + unsigned int bytes, + unsigned int inst) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + uint8_t panel_mask = 0x01 << inst; + + // TODO: Optimize by only reading back final 4 bytes + dmub_flush_buffer_mem(&dc->dmub_srv->dmub->scratch_mem_fb); + + // Copy iramtable into cw7 + memcpy(dc->dmub_srv->dmub->scratch_mem_fb.cpu_addr, (void *)src, bytes); + + memset(&cmd, 0, sizeof(cmd)); + // Fw will copy from cw7 to fw_state + cmd.abm_init_config.header.type = DMUB_CMD__ABM; + cmd.abm_init_config.header.sub_type = DMUB_CMD__ABM_INIT_CONFIG; + cmd.abm_init_config.abm_init_config_data.src.quad_part = dc->dmub_srv->dmub->scratch_mem_fb.gpu_addr; + cmd.abm_init_config.abm_init_config_data.bytes = bytes; + cmd.abm_init_config.abm_init_config_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; + cmd.abm_init_config.abm_init_config_data.panel_mask = panel_mask; + + cmd.abm_init_config.header.payload_bytes = sizeof(struct dmub_cmd_abm_init_config_data); + + dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); + dc_dmub_srv_cmd_execute(dc->dmub_srv); + dc_dmub_srv_wait_idle(dc->dmub_srv); + +} + +bool dmub_abm_set_pause(struct abm *abm, bool pause, unsigned int panel_inst, unsigned int stream_inst) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + uint8_t panel_mask = 0x01 << panel_inst; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_pause.header.type = DMUB_CMD__ABM; + cmd.abm_pause.header.sub_type = DMUB_CMD__ABM_PAUSE; + cmd.abm_pause.abm_pause_data.enable = pause; + cmd.abm_pause.abm_pause_data.panel_mask = panel_mask; + cmd.abm_set_level.header.payload_bytes = sizeof(struct dmub_cmd_abm_pause_data); + + dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); + dc_dmub_srv_cmd_execute(dc->dmub_srv); + dc_dmub_srv_wait_idle(dc->dmub_srv); + + return true; +} + +bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, uint32_t option, uint32_t panel_inst) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + uint32_t ramping_boundary = 0xFFFF; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_set_pipe.header.type = DMUB_CMD__ABM; + cmd.abm_set_pipe.header.sub_type = DMUB_CMD__ABM_SET_PIPE; + cmd.abm_set_pipe.abm_set_pipe_data.otg_inst = otg_inst; + cmd.abm_set_pipe.abm_set_pipe_data.set_pipe_option = option; + cmd.abm_set_pipe.abm_set_pipe_data.panel_inst = panel_inst; + cmd.abm_set_pipe.abm_set_pipe_data.ramping_boundary = ramping_boundary; + cmd.abm_set_pipe.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_pipe_data); + + dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); + dc_dmub_srv_cmd_execute(dc->dmub_srv); + dc_dmub_srv_wait_idle(dc->dmub_srv); + + return true; +} + +bool dmub_abm_set_backlight_level(struct abm *abm, + unsigned int backlight_pwm_u16_16, + unsigned int frame_ramp, + unsigned int panel_inst) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_set_backlight.header.type = DMUB_CMD__ABM; + cmd.abm_set_backlight.header.sub_type = DMUB_CMD__ABM_SET_BACKLIGHT; + cmd.abm_set_backlight.abm_set_backlight_data.frame_ramp = frame_ramp; + cmd.abm_set_backlight.abm_set_backlight_data.backlight_user_level = backlight_pwm_u16_16; + cmd.abm_set_backlight.abm_set_backlight_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; + cmd.abm_set_backlight.abm_set_backlight_data.panel_mask = (0x01 << panel_inst); + cmd.abm_set_backlight.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_backlight_data); + + dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); + dc_dmub_srv_cmd_execute(dc->dmub_srv); + dc_dmub_srv_wait_idle(dc->dmub_srv); + + return true; +} + diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.h b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.h new file mode 100644 index 0000000000000..00b4e268768ef --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm_lcd.h @@ -0,0 +1,46 @@ +/* + * Copyright 2019 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 + * + */ + +#ifndef __DMUB_ABM_LCD_H__ +#define __DMUB_ABM_LCD_H__ + +#include "abm.h" + +void dmub_abm_init(struct abm *abm, uint32_t backlight); +bool dmub_abm_set_level(struct abm *abm, uint32_t level, uint8_t panel_mask); +unsigned int dmub_abm_get_current_backlight(struct abm *abm); +unsigned int dmub_abm_get_target_backlight(struct abm *abm); +void dmub_abm_init_config(struct abm *abm, + const char *src, + unsigned int bytes, + unsigned int inst); + +bool dmub_abm_set_pause(struct abm *abm, bool pause, unsigned int panel_inst, unsigned int stream_inst); +bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, uint32_t option, uint32_t panel_inst); +bool dmub_abm_set_backlight_level(struct abm *abm, + unsigned int backlight_pwm_u16_16, + unsigned int frame_ramp, + unsigned int panel_inst); +#endif diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h b/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h index ecb4191b6e64f..db5cf9acafe6d 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h @@ -55,6 +55,12 @@ struct abm_funcs { unsigned int bytes, unsigned int inst); bool (*set_abm_pause)(struct abm *abm, bool pause, unsigned int panel_inst, unsigned int otg_inst); + bool (*set_pipe_ex)(struct abm *abm, + unsigned int otg_inst, + unsigned int option, + unsigned int panel_inst); + bool (*set_abm_event)(struct abm *abm, unsigned int full_screen, unsigned int video_mode, + unsigned int hdr_mode, unsigned int panel_inst); }; #endif -- 2.53.0