From patchwork Sat Dec 28 03:12:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Navare, Manasi" X-Patchwork-Id: 11311445 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 596CA139A for ; Sat, 28 Dec 2019 03:10:26 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 41865208C4 for ; Sat, 28 Dec 2019 03:10:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 41865208C4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EBEAD6E12E; Sat, 28 Dec 2019 03:10:23 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id BE90F6E12D for ; Sat, 28 Dec 2019 03:10:19 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Dec 2019 19:10:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,365,1571727600"; d="scan'208";a="220658297" Received: from labuser-z97x-ud5h.jf.intel.com ([10.54.75.49]) by orsmga003.jf.intel.com with ESMTP; 27 Dec 2019 19:10:17 -0800 From: Manasi Navare To: intel-gfx@lists.freedesktop.org Date: Fri, 27 Dec 2019 19:12:02 -0800 Message-Id: <20191228031204.10189-1-manasi.d.navare@intel.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Subject: [Intel-gfx] [CI v6 1/3] drm/i915/dp: Make sure all tiled connectors get added to the state with full modeset X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" In case of tiled displays, all the tiles are linke dto each other for transcoder port sync. So in intel_atomic_check() we need to make sure that we add all the tiles to the modeset and if one of the tiles needs a full modeset then mark all other tiles for a full modeset. We also need to force modeset for all synced crtcs after fastset check. v6: * Add comments about why we do not call drm_atomic_helper_check_modeset (Matt) * Add FIXME for a corner case where tile info might vanish (Matt) v5: * Rebase v4: * Fix logic for modeset_synced_crtcs (Ville) v3: * Add tile checks only for Gen >11 v2: * Change crtc_state scope, remove tile_grp_id (Ville) * Use intel_connector_needs_modeset() (Ville) * Add modeset_synced_crtcs (Ville) * Make sure synced crtcs are forced full modeset after fastset check (Ville) Suggested-by: Ville Syrjälä Cc: Ville Syrjälä Cc: José Roberto de Souza Cc: Matt Roper Bugzilla: https://gitlab.freedesktop.org/drm/intel/issues/5 Signed-off-by: Manasi Navare Reviewed-by: Matt Roper --- drivers/gpu/drm/i915/display/intel_display.c | 138 +++++++++++++++++++ 1 file changed, 138 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index b588c2662e95..bd579995533a 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -14304,6 +14304,118 @@ static bool intel_cpu_transcoder_needs_modeset(struct intel_atomic_state *state, return false; } +static void +intel_modeset_synced_crtcs(struct intel_atomic_state *state, + u8 transcoders) +{ + struct intel_crtc_state *new_crtc_state; + struct intel_crtc *crtc; + int i; + + for_each_new_intel_crtc_in_state(state, crtc, + new_crtc_state, i) { + if (transcoders & BIT(new_crtc_state->cpu_transcoder)) { + new_crtc_state->uapi.mode_changed = true; + new_crtc_state->update_pipe = false; + } + } +} + +static void +intel_atomic_check_synced_crtcs(struct intel_atomic_state *state) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc_state *new_crtc_state; + struct intel_crtc *crtc; + int i; + + if (INTEL_GEN(dev_priv) < 11) + return; + + for_each_new_intel_crtc_in_state(state, crtc, + new_crtc_state, i) { + if (is_trans_port_sync_master(new_crtc_state) && + needs_modeset(new_crtc_state)) { + intel_modeset_synced_crtcs(state, + new_crtc_state->sync_mode_slaves_mask); + } else if (is_trans_port_sync_slave(new_crtc_state) && + needs_modeset(new_crtc_state)) { + intel_modeset_synced_crtcs(state, + BIT(new_crtc_state->master_transcoder)); + } + } +} + +static int +intel_modeset_all_tiles(struct intel_atomic_state *state, int tile_grp_id) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct drm_connector *connector; + struct drm_connector_list_iter conn_iter; + int ret = 0; + + drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter); + drm_for_each_connector_iter(connector, &conn_iter) { + struct drm_connector_state *conn_state; + struct drm_crtc_state *crtc_state; + + if (!connector->has_tile || + connector->tile_group->id != tile_grp_id) + continue; + conn_state = drm_atomic_get_connector_state(&state->base, + connector); + if (IS_ERR(conn_state)) { + ret = PTR_ERR(conn_state); + break; + } + + if (!conn_state->crtc) + continue; + + crtc_state = drm_atomic_get_crtc_state(&state->base, + conn_state->crtc); + if (IS_ERR(crtc_state)) { + ret = PTR_ERR(conn_state); + break; + } + crtc_state->mode_changed = true; + ret = drm_atomic_add_affected_connectors(&state->base, + conn_state->crtc); + if (ret) + break; + } + drm_connector_list_iter_end(&conn_iter); + + return ret; +} + +static int +intel_atomic_check_tiled_conns(struct intel_atomic_state *state) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct drm_connector *connector; + struct drm_connector_state *old_conn_state, *new_conn_state; + int i, ret; + + if (INTEL_GEN(dev_priv) < 11) + return 0; + + /* Is tiled, mark all other tiled CRTCs as needing a modeset */ + for_each_oldnew_connector_in_state(&state->base, connector, + old_conn_state, new_conn_state, i) { + if (!connector->has_tile) + continue; + if (!intel_connector_needs_modeset(state, connector)) + continue; + + ret = intel_modeset_all_tiles(state, connector->tile_group->id); + if (ret) + return ret; + } + + return 0; +} + /** * intel_atomic_check - validate state object * @dev: drm device @@ -14331,6 +14443,21 @@ static int intel_atomic_check(struct drm_device *dev, if (ret) goto fail; + /** + * This check adds all the connectors in current state that belong to + * the same tile group to a full modeset. + * This function directly sets the mode_changed to true and we also call + * drm_atomic_add_affected_connectors(). Hence we are not explicitly + * calling drm_atomic_helper_check_modeset() after this. + * + * Fixme: Handle some corner cases where one of the + * tiled connectors gets disconnected and tile info is lost but since it + * was previously synced to other conn, we need to add that to the modeset. + */ + ret = intel_atomic_check_tiled_conns(state); + if (ret) + goto fail; + for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { if (!needs_modeset(new_crtc_state)) { @@ -14378,6 +14505,17 @@ static int intel_atomic_check(struct drm_device *dev, } } + /** + * In case of port synced crtcs, if one of the synced crtcs + * needs a full modeset, all other synced crtcs should be + * forced a full modeset. This checks if fastset is allowed + * by other dependencies like the synced crtcs. + * Here we set the mode_changed to true directly to force full + * modeset hence we do not explicitly call the function + * drm_atomic_helper_check_modeset(). + */ + intel_atomic_check_synced_crtcs(state); + for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { if (needs_modeset(new_crtc_state)) { From patchwork Sat Dec 28 03:12:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Navare, Manasi" X-Patchwork-Id: 11311443 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E9BA8139A for ; Sat, 28 Dec 2019 03:10:24 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D1A7A208C4 for ; Sat, 28 Dec 2019 03:10:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D1A7A208C4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DFDF16E128; Sat, 28 Dec 2019 03:10:23 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id EBE216E128 for ; Sat, 28 Dec 2019 03:10:19 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Dec 2019 19:10:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,365,1571727600"; d="scan'208";a="220658298" Received: from labuser-z97x-ud5h.jf.intel.com ([10.54.75.49]) by orsmga003.jf.intel.com with ESMTP; 27 Dec 2019 19:10:17 -0800 From: Manasi Navare To: intel-gfx@lists.freedesktop.org Date: Fri, 27 Dec 2019 19:12:03 -0800 Message-Id: <20191228031204.10189-2-manasi.d.navare@intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20191228031204.10189-1-manasi.d.navare@intel.com> References: <20191228031204.10189-1-manasi.d.navare@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [CI v6 2/3] drm/i915/dp: Make port sync mode assignments only if all tiles present X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Add an extra check before making master slave assignments for tiled displays to make sure we make these assignments only if all tiled connectors are present. If not then initialize the state to defaults so it does a normal non tiled modeset without transcoder port sync. v4: deafulat port sync values in prepare_cleared_state (Ville) v3: * Default master trans to INVALID to avoid pipe mismatch v2: * Rename icl_add_sync_mode_crtcs * Move this function just before .compute_config hook * Check if DP before master slave assignments (Ville) Bugzilla: https://gitlab.freedesktop.org/drm/intel/issues/5 Cc: Ville Syrjälä Signed-off-by: Manasi Navare Acked-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_display.c | 182 ++++++++++++------- 1 file changed, 117 insertions(+), 65 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index bd579995533a..5814ffe92cd4 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -12263,88 +12263,121 @@ static bool c8_planes_changed(const struct intel_crtc_state *new_crtc_state) return !old_crtc_state->c8_planes != !new_crtc_state->c8_planes; } -static int icl_add_sync_mode_crtcs(struct intel_crtc_state *crtc_state) +static bool +intel_atomic_is_master_connector(struct intel_crtc_state *crtc_state) +{ + struct drm_crtc *crtc = crtc_state->uapi.crtc; + struct drm_atomic_state *state = crtc_state->uapi.state; + struct drm_connector *connector; + struct drm_connector_state *connector_state; + int i; + + for_each_new_connector_in_state(state, connector, connector_state, i) { + if (connector_state->crtc != crtc) + continue; + if (connector->has_tile && + connector->tile_h_loc == connector->num_h_tile - 1 && + connector->tile_v_loc == connector->num_v_tile - 1) + return true; + } + + return false; +} + +static void reset_port_sync_mode_state(struct intel_crtc_state *crtc_state) +{ + crtc_state->master_transcoder = INVALID_TRANSCODER; + crtc_state->sync_mode_slaves_mask = 0; +} + +static int icl_compute_port_sync_crtc_state(struct drm_connector *connector, + struct intel_crtc_state *crtc_state, + int num_tiled_conns) { struct drm_crtc *crtc = crtc_state->uapi.crtc; struct intel_atomic_state *state = to_intel_atomic_state(crtc_state->uapi.state); struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); - struct drm_connector *master_connector, *connector; - struct drm_connector_state *connector_state; + struct drm_connector *master_connector; struct drm_connector_list_iter conn_iter; struct drm_crtc *master_crtc = NULL; struct drm_crtc_state *master_crtc_state; struct intel_crtc_state *master_pipe_config; - int i, tile_group_id; if (INTEL_GEN(dev_priv) < 11) return 0; + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP)) + return 0; + /* * In case of tiled displays there could be one or more slaves but there is * only one master. Lets make the CRTC used by the connector corresponding * to the last horizonal and last vertical tile a master/genlock CRTC. * All the other CRTCs corresponding to other tiles of the same Tile group * are the slave CRTCs and hold a pointer to their genlock CRTC. + * If all tiles not present do not make master slave assignments. */ - for_each_new_connector_in_state(&state->base, connector, connector_state, i) { - if (connector_state->crtc != crtc) - continue; - if (!connector->has_tile) + if (!connector->has_tile || + crtc_state->hw.mode.hdisplay != connector->tile_h_size || + crtc_state->hw.mode.vdisplay != connector->tile_v_size || + num_tiled_conns < connector->num_h_tile * connector->num_v_tile) { + reset_port_sync_mode_state(crtc_state); + return 0; + } + /* Last Horizontal and last vertical tile connector is a master + * Master's crtc state is already populated in slave for port sync + */ + if (connector->tile_h_loc == connector->num_h_tile - 1 && + connector->tile_v_loc == connector->num_v_tile - 1) + return 0; + + /* Loop through all connectors and configure the Slave crtc_state + * to point to the correct master. + */ + drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter); + drm_for_each_connector_iter(master_connector, &conn_iter) { + struct drm_connector_state *master_conn_state = NULL; + + if (!(master_connector->has_tile && + master_connector->tile_group->id == connector->tile_group->id)) continue; - if (crtc_state->hw.mode.hdisplay != connector->tile_h_size || - crtc_state->hw.mode.vdisplay != connector->tile_v_size) - return 0; - if (connector->tile_h_loc == connector->num_h_tile - 1 && - connector->tile_v_loc == connector->num_v_tile - 1) + if (master_connector->tile_h_loc != master_connector->num_h_tile - 1 || + master_connector->tile_v_loc != master_connector->num_v_tile - 1) continue; - crtc_state->sync_mode_slaves_mask = 0; - tile_group_id = connector->tile_group->id; - drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter); - drm_for_each_connector_iter(master_connector, &conn_iter) { - struct drm_connector_state *master_conn_state = NULL; - if (!master_connector->has_tile) - continue; - if (master_connector->tile_h_loc != master_connector->num_h_tile - 1 || - master_connector->tile_v_loc != master_connector->num_v_tile - 1) - continue; - if (master_connector->tile_group->id != tile_group_id) - continue; - - master_conn_state = drm_atomic_get_connector_state(&state->base, - master_connector); - if (IS_ERR(master_conn_state)) { - drm_connector_list_iter_end(&conn_iter); - return PTR_ERR(master_conn_state); - } - if (master_conn_state->crtc) { - master_crtc = master_conn_state->crtc; - break; - } + master_conn_state = drm_atomic_get_connector_state(&state->base, + master_connector); + if (IS_ERR(master_conn_state)) { + drm_connector_list_iter_end(&conn_iter); + return PTR_ERR(master_conn_state); } - drm_connector_list_iter_end(&conn_iter); - - if (!master_crtc) { - DRM_DEBUG_KMS("Could not find Master CRTC for Slave CRTC %d\n", - connector_state->crtc->base.id); - return -EINVAL; + if (master_conn_state->crtc) { + master_crtc = master_conn_state->crtc; + break; } + } + drm_connector_list_iter_end(&conn_iter); - master_crtc_state = drm_atomic_get_crtc_state(&state->base, - master_crtc); - if (IS_ERR(master_crtc_state)) - return PTR_ERR(master_crtc_state); - - master_pipe_config = to_intel_crtc_state(master_crtc_state); - crtc_state->master_transcoder = master_pipe_config->cpu_transcoder; - master_pipe_config->sync_mode_slaves_mask |= - BIT(crtc_state->cpu_transcoder); - DRM_DEBUG_KMS("Master Transcoder = %s added for Slave CRTC = %d, slave transcoder bitmask = %d\n", - transcoder_name(crtc_state->master_transcoder), - crtc_state->uapi.crtc->base.id, - master_pipe_config->sync_mode_slaves_mask); + if (!master_crtc) { + DRM_DEBUG_KMS("Could not find Master CRTC for Slave CRTC %d\n", + crtc->base.id); + return -EINVAL; } + master_crtc_state = drm_atomic_get_crtc_state(&state->base, + master_crtc); + if (IS_ERR(master_crtc_state)) + return PTR_ERR(master_crtc_state); + + master_pipe_config = to_intel_crtc_state(master_crtc_state); + crtc_state->master_transcoder = master_pipe_config->cpu_transcoder; + master_pipe_config->sync_mode_slaves_mask |= + BIT(crtc_state->cpu_transcoder); + DRM_DEBUG_KMS("Master Transcoder = %s added for Slave CRTC = %d, slave transcoder bitmask = %d\n", + transcoder_name(crtc_state->master_transcoder), + crtc->base.id, + master_pipe_config->sync_mode_slaves_mask); + return 0; } @@ -12889,9 +12922,11 @@ intel_crtc_prepare_cleared_state(struct intel_crtc_state *crtc_state) saved_state->wm = crtc_state->wm; /* * Save the slave bitmask which gets filled for master crtc state during - * slave atomic check call. + * slave atomic check call. For all other CRTCs reset the port sync variables + * crtc_state->master_transcoder needs to be set to INVALID */ - if (is_trans_port_sync_master(crtc_state)) + reset_port_sync_mode_state(saved_state); + if (intel_atomic_is_master_connector(crtc_state)) saved_state->sync_mode_slaves_mask = crtc_state->sync_mode_slaves_mask; @@ -12912,7 +12947,7 @@ intel_modeset_pipe_config(struct intel_crtc_state *pipe_config) struct drm_connector *connector; struct drm_connector_state *connector_state; int base_bpp, ret; - int i; + int i, tile_group_id = -1, num_tiled_conns = 0; bool retry = true; pipe_config->cpu_transcoder = @@ -12982,13 +13017,22 @@ intel_modeset_pipe_config(struct intel_crtc_state *pipe_config) drm_mode_set_crtcinfo(&pipe_config->hw.adjusted_mode, CRTC_STEREO_DOUBLE); - /* Set the crtc_state defaults for trans_port_sync */ - pipe_config->master_transcoder = INVALID_TRANSCODER; - ret = icl_add_sync_mode_crtcs(pipe_config); - if (ret) { - DRM_DEBUG_KMS("Cannot assign Sync Mode CRTCs: %d\n", - ret); - return ret; + /* Get tile_group_id of tiled connector */ + for_each_new_connector_in_state(state, connector, connector_state, i) { + if (connector_state->crtc == crtc && + connector->has_tile) { + tile_group_id = connector->tile_group->id; + break; + } + } + + /* Get total number of tiled connectors in state that belong to + * this tile group. + */ + for_each_new_connector_in_state(state, connector, connector_state, i) { + if (connector->has_tile && + connector->tile_group->id == tile_group_id) + num_tiled_conns++; } /* Pass our mode to the connectors and the CRTC to give them a chance to @@ -12999,6 +13043,14 @@ intel_modeset_pipe_config(struct intel_crtc_state *pipe_config) if (connector_state->crtc != crtc) continue; + ret = icl_compute_port_sync_crtc_state(connector, pipe_config, + num_tiled_conns); + if (ret) { + DRM_DEBUG_KMS("Cannot assign Sync Mode CRTCs: %d\n", + ret); + return ret; + } + encoder = to_intel_encoder(connector_state->best_encoder); ret = encoder->compute_config(encoder, pipe_config, connector_state); From patchwork Sat Dec 28 03:12:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Navare, Manasi" X-Patchwork-Id: 11311441 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AAF5713A4 for ; Sat, 28 Dec 2019 03:10:21 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 92A0F208C4 for ; Sat, 28 Dec 2019 03:10:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 92A0F208C4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0169B6E12D; Sat, 28 Dec 2019 03:10:19 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8AAE46E128 for ; Sat, 28 Dec 2019 03:10:19 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Dec 2019 19:10:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,365,1571727600"; d="scan'208";a="220658299" Received: from labuser-z97x-ud5h.jf.intel.com ([10.54.75.49]) by orsmga003.jf.intel.com with ESMTP; 27 Dec 2019 19:10:17 -0800 From: Manasi Navare To: intel-gfx@lists.freedesktop.org Date: Fri, 27 Dec 2019 19:12:04 -0800 Message-Id: <20191228031204.10189-3-manasi.d.navare@intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20191228031204.10189-1-manasi.d.navare@intel.com> References: <20191228031204.10189-1-manasi.d.navare@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [CI v6 3/3] drm/i915/dp: Disable Port sync mode correctly on teardown X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jani Nikula Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" While clearing the Ports ync mode enable and master select bits we need to clear the register completely instead of using disable masks v3: * Remove reg variable (Matt) v2: * Just write 0 to the reg (Ville) * Rebase Bugzilla: https://gitlab.freedesktop.org/drm/intel/issues/5 Cc: Ville Syrjälä Cc: Jani Nikula Fixes: 51528afe7c5e ("drm/i915/display/icl: Disable transcoder port sync as part of crtc_disable() sequence") Signed-off-by: Manasi Navare Reviewed-by: Matt Roper Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_ddi.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 3a538789c585..3838b37185de 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3878,8 +3878,6 @@ static void icl_disable_transcoder_port_sync(const struct intel_crtc_state *old_ { struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - i915_reg_t reg; - u32 trans_ddi_func_ctl2_val; if (old_crtc_state->master_transcoder == INVALID_TRANSCODER) return; @@ -3887,10 +3885,7 @@ static void icl_disable_transcoder_port_sync(const struct intel_crtc_state *old_ DRM_DEBUG_KMS("Disabling Transcoder Port Sync on Slave Transcoder %s\n", transcoder_name(old_crtc_state->cpu_transcoder)); - reg = TRANS_DDI_FUNC_CTL2(old_crtc_state->cpu_transcoder); - trans_ddi_func_ctl2_val = ~(PORT_SYNC_MODE_ENABLE | - PORT_SYNC_MODE_MASTER_SELECT_MASK); - I915_WRITE(reg, trans_ddi_func_ctl2_val); + I915_WRITE(TRANS_DDI_FUNC_CTL2(old_crtc_state->cpu_transcoder), 0); } static void intel_ddi_post_disable(struct intel_encoder *encoder,