From patchwork Sat Feb 12 12:51:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Polimera X-Patchwork-Id: 12744266 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E28BCC433EF for ; Sat, 12 Feb 2022 12:51:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235017AbiBLMwB (ORCPT ); Sat, 12 Feb 2022 07:52:01 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:50832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234903AbiBLMwA (ORCPT ); Sat, 12 Feb 2022 07:52:00 -0500 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C99C525D; Sat, 12 Feb 2022 04:51:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1644670317; x=1676206317; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=2u+uZsDdZkqnDxaqjgc5Xke3CEP30HU4qpbGI+TfODI=; b=eZ/eRL5Xvv+ZTJo7tlhULjmxSsLwwUABzvdsoOQGzNZwmgf1Wmw7QxD2 WOpzgU/ZnLVBElPQsYKyZLRsVgl6U4qE0jOU4wF9Z4I/B0LKRCxZf3k4i AxjHduWR/0qJNh7hSGiVz5sX4b8CLPyXtHbgECv7XMuPUHvzRKkKMzyzR c=; Received: from ironmsg-lv-alpha.qualcomm.com ([10.47.202.13]) by alexa-out.qualcomm.com with ESMTP; 12 Feb 2022 04:51:56 -0800 X-QCInternal: smtphost Received: from ironmsg02-blr.qualcomm.com ([10.86.208.131]) by ironmsg-lv-alpha.qualcomm.com with ESMTP/TLS/AES256-SHA; 12 Feb 2022 04:51:54 -0800 X-QCInternal: smtphost Received: from vpolimer-linux.qualcomm.com ([10.204.67.235]) by ironmsg02-blr.qualcomm.com with ESMTP; 12 Feb 2022 18:21:39 +0530 Received: by vpolimer-linux.qualcomm.com (Postfix, from userid 463814) id 0992FDBF; Sat, 12 Feb 2022 18:21:37 +0530 (IST) From: Vinod Polimera To: y@qualcomm.com, dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: Vinod Polimera , linux-kernel@vger.kernel.org, robdclark@gmail.com, dianders@chromium.org, quic_sbillaka@quicinc.com, swboyd@chromium.org, quic_kalyant@quicinc.com, quic_vproddut@quicinc.com Subject: [v1 1/2] drm/msm/dp: Add basic PSR support for eDP Date: Sat, 12 Feb 2022 18:21:34 +0530 Message-Id: <1644670295-25068-1-git-send-email-quic_vpolimer@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add support for basic panel self refresh (PSR) feature for eDP. Add a new interface to set PSR state in the sink from DPU. Program the eDP controller to issue PSR enter and exit SDP to the sink. Signed-off-by: Sankeerth Billakanti --- drivers/gpu/drm/msm/dp/dp_catalog.c | 81 +++++++++++++++++++++++++++++++++++++ drivers/gpu/drm/msm/dp/dp_catalog.h | 4 ++ drivers/gpu/drm/msm/dp/dp_ctrl.c | 65 ++++++++++++++++++++++++++++- drivers/gpu/drm/msm/dp/dp_ctrl.h | 3 ++ drivers/gpu/drm/msm/dp/dp_display.c | 12 ++++++ drivers/gpu/drm/msm/dp/dp_drm.c | 14 ++++++- drivers/gpu/drm/msm/dp/dp_link.c | 22 ++++++++++ drivers/gpu/drm/msm/dp/dp_panel.c | 21 ++++++++++ drivers/gpu/drm/msm/dp/dp_panel.h | 6 +++ drivers/gpu/drm/msm/dp/dp_reg.h | 19 +++++++++ drivers/gpu/drm/msm/msm_drv.h | 2 + 11 files changed, 247 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c index 6ae9b29..d20cabb 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -45,6 +45,14 @@ #define DP_INTERRUPT_STATUS2_MASK \ (DP_INTERRUPT_STATUS2 << DP_INTERRUPT_STATUS_MASK_SHIFT) +#define DP_INTERRUPT_STATUS4 \ + (PSR_UPDATE_INT | PSR_CAPTURE_INT | PSR_EXIT_INT | \ + PSR_UPDATE_ERROR_INT | PSR_WAKE_ERROR_INT) + +#define DP_INTERRUPT_MASK4 \ + (PSR_UPDATE_MASK | PSR_CAPTURE_MASK | PSR_EXIT_MASK | \ + PSR_UPDATE_ERROR_MASK | PSR_WAKE_ERROR_MASK) + struct dp_catalog_private { struct device *dev; struct dp_io *io; @@ -343,6 +351,20 @@ void dp_catalog_ctrl_lane_mapping(struct dp_catalog *dp_catalog) ln_mapping); } +void dp_catalog_ctrl_psr_mainlink_enable(struct dp_catalog *dp_catalog, + bool enable) +{ + u32 mainlink_ctrl; + struct dp_catalog_private *catalog = container_of(dp_catalog, + struct dp_catalog_private, dp_catalog); + + mainlink_ctrl = dp_read_link(catalog, REG_DP_MAINLINK_CTRL); + mainlink_ctrl &= ~DP_MAINLINK_CTRL_ENABLE; + mainlink_ctrl |= (enable & DP_MAINLINK_CTRL_ENABLE); + + dp_write_link(catalog, REG_DP_MAINLINK_CTRL, mainlink_ctrl); +} + void dp_catalog_ctrl_mainlink_ctrl(struct dp_catalog *dp_catalog, bool enable) { @@ -581,6 +603,51 @@ void dp_catalog_ctrl_hpd_config(struct dp_catalog *dp_catalog) dp_write_aux(catalog, REG_DP_DP_HPD_CTRL, DP_DP_HPD_CTRL_HPD_EN); } +static void dp_catalog_enable_sdp(struct dp_catalog_private *catalog) +{ + /* trigger sdp */ + dp_write_link(catalog, MMSS_DP_SDP_CFG3, 0x1); + dp_write_link(catalog, MMSS_DP_SDP_CFG3, 0x0); +} + +void dp_catalog_ctrl_config_psr(struct dp_catalog *dp_catalog) +{ + struct dp_catalog_private *catalog = container_of(dp_catalog, + struct dp_catalog_private, dp_catalog); + u32 psr_config; + + /* enable PSR1 function */ + psr_config = dp_read_link(catalog, REG_PSR_CONFIG); + psr_config |= BIT(0); + dp_write_link(catalog, REG_PSR_CONFIG, psr_config); + + dp_write_ahb(catalog, REG_DP_INTR_MASK4, DP_INTERRUPT_MASK4); + dp_catalog_enable_sdp(catalog); +} + +void dp_catalog_ctrl_set_psr(struct dp_catalog *dp_catalog, bool enter) +{ + struct dp_catalog_private *catalog = container_of(dp_catalog, + struct dp_catalog_private, dp_catalog); + u32 psr_cmd; + + psr_cmd = dp_read_link(catalog, REG_PSR_CMD); + + /* + * BIT(0) - send psr entry SDP + * BIT(1) - sned psr exit SDP + */ + psr_cmd &= ~(BIT(0) | BIT(1)); + + if (enter) + psr_cmd |= BIT(0); + else + psr_cmd |= BIT(1); + + dp_catalog_enable_sdp(catalog); + dp_write_link(catalog, REG_PSR_CMD, psr_cmd); +} + u32 dp_catalog_link_is_connected(struct dp_catalog *dp_catalog) { struct dp_catalog_private *catalog = container_of(dp_catalog, @@ -608,6 +675,20 @@ u32 dp_catalog_hpd_get_intr_status(struct dp_catalog *dp_catalog) return isr; } +int dp_catalog_ctrl_get_psr_interrupt(struct dp_catalog *dp_catalog) +{ + struct dp_catalog_private *catalog = container_of(dp_catalog, + struct dp_catalog_private, dp_catalog); + u32 intr, intr_ack; + + intr = dp_read_ahb(catalog, REG_DP_INTR_STATUS4); + intr_ack = (intr & DP_INTERRUPT_STATUS4) + << DP_INTERRUPT_STATUS_ACK_SHIFT; + dp_write_ahb(catalog, REG_DP_INTR_STATUS4, intr_ack); + + return intr; +} + int dp_catalog_ctrl_get_interrupt(struct dp_catalog *dp_catalog) { struct dp_catalog_private *catalog = container_of(dp_catalog, diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.h b/drivers/gpu/drm/msm/dp/dp_catalog.h index 6965afa..9b1b199 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.h +++ b/drivers/gpu/drm/msm/dp/dp_catalog.h @@ -91,6 +91,7 @@ void dp_catalog_ctrl_state_ctrl(struct dp_catalog *dp_catalog, u32 state); void dp_catalog_ctrl_config_ctrl(struct dp_catalog *dp_catalog, u32 config); void dp_catalog_ctrl_lane_mapping(struct dp_catalog *dp_catalog); void dp_catalog_ctrl_mainlink_ctrl(struct dp_catalog *dp_catalog, bool enable); +void dp_catalog_ctrl_psr_mainlink_enable(struct dp_catalog *dp_catalog, bool enable); void dp_catalog_ctrl_config_misc(struct dp_catalog *dp_catalog, u32 cc, u32 tb); void dp_catalog_ctrl_config_msa(struct dp_catalog *dp_catalog, u32 rate, u32 stream_rate_khz, bool fixed_nvid); @@ -101,12 +102,15 @@ void dp_catalog_ctrl_enable_irq(struct dp_catalog *dp_catalog, bool enable); void dp_catalog_hpd_config_intr(struct dp_catalog *dp_catalog, u32 intr_mask, bool en); void dp_catalog_ctrl_hpd_config(struct dp_catalog *dp_catalog); +void dp_catalog_ctrl_config_psr(struct dp_catalog *dp_catalog); +void dp_catalog_ctrl_set_psr(struct dp_catalog *dp_catalog, bool enter); u32 dp_catalog_link_is_connected(struct dp_catalog *dp_catalog); u32 dp_catalog_hpd_get_intr_status(struct dp_catalog *dp_catalog); void dp_catalog_ctrl_phy_reset(struct dp_catalog *dp_catalog); int dp_catalog_ctrl_update_vx_px(struct dp_catalog *dp_catalog, u8 v_level, u8 p_level); int dp_catalog_ctrl_get_interrupt(struct dp_catalog *dp_catalog); +int dp_catalog_ctrl_get_psr_interrupt(struct dp_catalog *dp_catalog); void dp_catalog_ctrl_update_transfer_unit(struct dp_catalog *dp_catalog, u32 dp_tu, u32 valid_boundary, u32 valid_boundary2); diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index c724cb0..952ab96 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -20,7 +20,8 @@ #include "dp_link.h" #define DP_KHZ_TO_HZ 1000 -#define IDLE_PATTERN_COMPLETION_TIMEOUT_JIFFIES (30 * HZ / 1000) /* 30 ms */ +#define IDLE_PATTERN_COMPLETION_TIMEOUT_JIFFIES (30 * HZ / 1000) /* 30 ms */ +#define PSR_OPERATION_COMPLETION_TIMEOUT_JIFFIES (300 * HZ / 1000) /* 300 ms */ #define WAIT_FOR_VIDEO_READY_TIMEOUT_JIFFIES (HZ / 2) #define DP_CTRL_INTR_READY_FOR_VIDEO BIT(0) @@ -78,6 +79,7 @@ struct dp_ctrl_private { struct dp_catalog *catalog; struct completion idle_comp; + struct completion psr_op_comp; struct completion video_comp; }; @@ -151,6 +153,9 @@ static void dp_ctrl_config_ctrl(struct dp_ctrl_private *ctrl) config |= DP_CONFIGURATION_CTRL_STATIC_DYNAMIC_CN; config |= DP_CONFIGURATION_CTRL_SYNC_ASYNC_CLK; + if (ctrl->panel->psr_cap.version) + config |= DP_CONFIGURATION_CTRL_SEND_VSC; + dp_catalog_ctrl_config_ctrl(ctrl->catalog, config); } @@ -1365,6 +1370,52 @@ static int dp_ctrl_enable_stream_clocks(struct dp_ctrl_private *ctrl) return ret; } +void dp_ctrl_config_psr(struct dp_ctrl *dp_ctrl) +{ + struct dp_ctrl_private *ctrl; + u8 psr_config; + + ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl); + + if (!ctrl->panel->psr_cap.version) + return; + + dp_catalog_ctrl_config_psr(ctrl->catalog); + + psr_config = DP_PSR_ENABLE; + drm_dp_dpcd_write(ctrl->aux, DP_PSR_EN_CFG, &psr_config, 1); +} + +void dp_ctrl_set_psr(struct dp_ctrl *dp_ctrl, bool enter) +{ + struct dp_ctrl_private *ctrl; + + ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl); + + if (!ctrl->panel->psr_cap.version) + return; + + if (enter) { + reinit_completion(&ctrl->psr_op_comp); + dp_catalog_ctrl_set_psr(ctrl->catalog, true); + + if (!wait_for_completion_timeout(&ctrl->psr_op_comp, + PSR_OPERATION_COMPLETION_TIMEOUT_JIFFIES)) { + DRM_ERROR("PSR_ENTRY timedout\n"); + dp_catalog_ctrl_set_psr(ctrl->catalog, false); + return; + } + + dp_catalog_ctrl_state_ctrl(ctrl->catalog, 0); + + dp_catalog_ctrl_psr_mainlink_enable(ctrl->catalog, false); + } else { + dp_catalog_ctrl_psr_mainlink_enable(ctrl->catalog, true); + + dp_catalog_ctrl_set_psr(ctrl->catalog, false); + } +} + int dp_ctrl_host_init(struct dp_ctrl *dp_ctrl, bool flip, bool reset) { struct dp_ctrl_private *ctrl; @@ -1964,6 +2015,17 @@ void dp_ctrl_isr(struct dp_ctrl *dp_ctrl) ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl); + if (ctrl->panel->psr_cap.version) { + isr = dp_catalog_ctrl_get_psr_interrupt(ctrl->catalog); + + if (isr == 0x1) + DRM_DEBUG_DP("PSR frame update done\n"); + else if (isr == 0x10) + DRM_DEBUG_DP("PSR exit done\n"); + + complete(&ctrl->psr_op_comp); + } + isr = dp_catalog_ctrl_get_interrupt(ctrl->catalog); if (isr & DP_CTRL_INTR_READY_FOR_VIDEO) { @@ -2010,6 +2072,7 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, dev_err(dev, "failed to add DP OPP table\n"); init_completion(&ctrl->idle_comp); + init_completion(&ctrl->psr_op_comp); init_completion(&ctrl->video_comp); /* in parameters */ diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.h b/drivers/gpu/drm/msm/dp/dp_ctrl.h index 2363a2d..f623035 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.h +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.h @@ -34,4 +34,7 @@ struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link, struct dp_power *power, struct dp_catalog *catalog, struct dp_parser *parser); +void dp_ctrl_set_psr(struct dp_ctrl *dp_ctrl, bool enable); +void dp_ctrl_config_psr(struct dp_ctrl *dp_ctrl); + #endif /* _DP_CTRL_H_ */ diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 7cc4d21..fe7ceea 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -871,6 +871,10 @@ static int dp_display_post_enable(struct msm_dp *dp_display) /* signal the connect event late to synchronize video and display */ dp_display_handle_plugged_change(dp_display, true); + + if (dp->panel->psr_cap.version) + dp_ctrl_config_psr(dp->ctrl); + return 0; } @@ -1037,6 +1041,14 @@ static void dp_display_config_hpd(struct dp_display_private *dp) enable_irq(dp->irq); } +void msm_dp_display_set_psr(struct msm_dp *dp_display, bool enter) +{ + struct dp_display_private *dp; + + dp = container_of(dp_display, struct dp_display_private, dp_display); + dp_ctrl_set_psr(dp->ctrl, enter); +} + static int hpd_event_thread(void *data) { struct dp_display_private *dp_priv; diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c index d4d360d..6eb53a0 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.c +++ b/drivers/gpu/drm/msm/dp/dp_drm.c @@ -123,12 +123,24 @@ static enum drm_mode_status dp_connector_mode_valid( return dp_display_validate_mode(dp_disp, mode->clock); } +static struct drm_connector_state * +edp_drm_connector_duplicate_state(struct drm_connector *connector) +{ + struct drm_connector_state *state; + + state = drm_atomic_helper_connector_duplicate_state(connector); + + state->self_refresh_aware = true; + + return state; +} + static const struct drm_connector_funcs dp_connector_funcs = { .detect = dp_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = drm_connector_cleanup, .reset = drm_atomic_helper_connector_reset, - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_duplicate_state = edp_drm_connector_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; diff --git a/drivers/gpu/drm/msm/dp/dp_link.c b/drivers/gpu/drm/msm/dp/dp_link.c index d4d31e5..5503c29 100644 --- a/drivers/gpu/drm/msm/dp/dp_link.c +++ b/drivers/gpu/drm/msm/dp/dp_link.c @@ -924,6 +924,26 @@ static int dp_link_process_phy_test_pattern_request( return 0; } +static int dp_link_psr_status(struct dp_link_private *link) +{ + u8 status[2]; + + drm_dp_dpcd_read(link->aux, DP_PSR_ERROR_STATUS, status, 2); + + if (status[0] & DP_PSR_LINK_CRC_ERROR) + DRM_ERROR("PSR LINK CRC ERROR\n"); + else if (status[0] & DP_PSR_RFB_STORAGE_ERROR) + DRM_ERROR("PSR RFB STORAGE ERROR\n"); + else if (status[0] & DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR) + DRM_ERROR("PSR VSC SDP UNCORRECTABLE ERROR\n"); + else if (status[1] & DP_PSR_CAPS_CHANGE) + DRM_INFO("PSR Capability Change\n"); + else + return 0; + + return 1; +} + static u8 get_link_status(const u8 link_status[DP_LINK_STATUS_SIZE], int r) { return link_status[r - DP_LANE0_1_STATUS]; @@ -1042,6 +1062,8 @@ int dp_link_process_request(struct dp_link *dp_link) dp_link->sink_request |= DP_TEST_LINK_TRAINING; } else if (!dp_link_process_phy_test_pattern_request(link)) { dp_link->sink_request |= DP_TEST_LINK_PHY_TEST_PATTERN; + } else if (dp_link_psr_status(link)) { + DRM_INFO("PSR IRQ_HPD received\n"); } else { ret = dp_link_process_link_status_update(link); if (!ret) { diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c index 71db10c..e128d73 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.c +++ b/drivers/gpu/drm/msm/dp/dp_panel.c @@ -19,6 +19,26 @@ struct dp_panel_private { bool aux_cfg_update_done; }; +static void dp_panel_read_psr_cap(struct dp_panel_private *panel) +{ + ssize_t rlen; + struct dp_panel *dp_panel; + + dp_panel = &panel->dp_panel; + + /* edp sink */ + if (dp_panel->dpcd[DP_EDP_CONFIGURATION_CAP]) { + rlen = drm_dp_dpcd_read(panel->aux, DP_PSR_SUPPORT, + &dp_panel->psr_cap, 2); + if (rlen == 2) { + DRM_DEBUG_DP("psr version: 0x%x, psr_cap: 0x%x\n", + dp_panel->psr_cap.version, + dp_panel->psr_cap.capabilities); + } else + DRM_ERROR("failed to read psr info, rlen=%zd\n", rlen); + } +} + static int dp_panel_read_dpcd(struct dp_panel *dp_panel) { int rc = 0; @@ -104,6 +124,7 @@ static int dp_panel_read_dpcd(struct dp_panel *dp_panel) } } + dp_panel_read_psr_cap(panel); end: return rc; } diff --git a/drivers/gpu/drm/msm/dp/dp_panel.h b/drivers/gpu/drm/msm/dp/dp_panel.h index 9023e5b..631657a 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.h +++ b/drivers/gpu/drm/msm/dp/dp_panel.h @@ -34,6 +34,11 @@ struct dp_panel_in { struct dp_catalog *catalog; }; +struct dp_panel_psr { + u8 version; + u8 capabilities; +}; + struct dp_panel { /* dpcd raw data */ u8 dpcd[DP_RECEIVER_CAP_SIZE + 1]; @@ -46,6 +51,7 @@ struct dp_panel { struct edid *edid; struct drm_connector *connector; struct dp_display_mode dp_mode; + struct dp_panel_psr psr_cap; bool video_test; u32 vic; diff --git a/drivers/gpu/drm/msm/dp/dp_reg.h b/drivers/gpu/drm/msm/dp/dp_reg.h index 2686028..7a0b052 100644 --- a/drivers/gpu/drm/msm/dp/dp_reg.h +++ b/drivers/gpu/drm/msm/dp/dp_reg.h @@ -22,6 +22,20 @@ #define REG_DP_INTR_STATUS2 (0x00000024) #define REG_DP_INTR_STATUS3 (0x00000028) +#define REG_DP_INTR_STATUS4 (0x0000002C) +#define PSR_UPDATE_INT (0x00000001) +#define PSR_CAPTURE_INT (0x00000004) +#define PSR_EXIT_INT (0x00000010) +#define PSR_UPDATE_ERROR_INT (0x00000040) +#define PSR_WAKE_ERROR_INT (0x00000100) + +#define REG_DP_INTR_MASK4 (0x00000030) +#define PSR_UPDATE_MASK (0x00000001) +#define PSR_CAPTURE_MASK (0x00000002) +#define PSR_EXIT_MASK (0x00000004) +#define PSR_UPDATE_ERROR_MASK (0x00000008) +#define PSR_WAKE_ERROR_MASK (0x00000010) + #define REG_DP_DP_HPD_CTRL (0x00000000) #define DP_DP_HPD_CTRL_HPD_EN (0x00000001) @@ -164,6 +178,9 @@ #define MMSS_DP_AUDIO_TIMING_RBR_48 (0x00000094) #define MMSS_DP_AUDIO_TIMING_HBR_48 (0x00000098) +#define REG_PSR_CONFIG (0x00000100) +#define REG_PSR_CMD (0x00000110) + #define MMSS_DP_PSR_CRC_RG (0x00000154) #define MMSS_DP_PSR_CRC_B (0x00000158) @@ -184,6 +201,8 @@ #define MMSS_DP_AUDIO_STREAM_0 (0x00000240) #define MMSS_DP_AUDIO_STREAM_1 (0x00000244) +#define MMSS_DP_SDP_CFG3 (0x0000024c) + #define MMSS_DP_EXTENSION_0 (0x00000250) #define MMSS_DP_EXTENSION_1 (0x00000254) #define MMSS_DP_EXTENSION_2 (0x00000258) diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index d7574e6..28e182b 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -400,6 +400,8 @@ void msm_dp_snapshot(struct msm_disp_state *disp_state, struct msm_dp *dp_displa void msm_dp_debugfs_init(struct msm_dp *dp_display, struct drm_minor *minor); +void msm_dp_display_set_psr(struct msm_dp *dp, bool enter); + #else static inline int __init msm_dp_register(void) {