From patchwork Fri Jan 31 17:15:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Navare, Manasi" X-Patchwork-Id: 11360297 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 1853014E3 for ; Fri, 31 Jan 2020 17:15:04 +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 003AC2082E for ; Fri, 31 Jan 2020 17:15:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 003AC2082E 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 8293A6FBA6; Fri, 31 Jan 2020 17:15:03 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4CABA6FBA0 for ; Fri, 31 Jan 2020 17:14:57 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 31 Jan 2020 09:14:49 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,386,1574150400"; d="scan'208";a="253389943" Received: from labuser-z97x-ud5h.jf.intel.com ([10.165.21.211]) by fmsmga004.fm.intel.com with ESMTP; 31 Jan 2020 09:14:49 -0800 From: Manasi Navare To: intel-gfx@lists.freedesktop.org Date: Fri, 31 Jan 2020 09:15:47 -0800 Message-Id: <20200131171547.25938-3-manasi.d.navare@intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20200131171547.25938-1-manasi.d.navare@intel.com> References: <20200131171547.25938-1-manasi.d.navare@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/3] drm/i915/dp: Add all tiled and port sync conns to 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" If one of the synced crtcs needs a full modeset, we need to make sure all the synced crtcs are forced a full modeset. Suggested-by: Ville Syrjälä Cc: Ville Syrjälä Signed-off-by: Manasi Navare --- drivers/gpu/drm/i915/display/intel_display.c | 88 +------------ drivers/gpu/drm/i915/display/intel_dp.c | 131 ++++++++++++++++++- 2 files changed, 131 insertions(+), 88 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index e638543f5f87..709a737638b6 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -13123,8 +13123,7 @@ intel_modeset_pipe_config(struct intel_crtc_state *pipe_config) struct drm_i915_private *i915 = to_i915(pipe_config->uapi.crtc->dev); struct drm_connector *connector; struct drm_connector_state *connector_state; - int base_bpp, ret; - int i, tile_group_id = -1, num_tiled_conns = 0; + int base_bpp, ret, i; bool retry = true; pipe_config->cpu_transcoder = @@ -14559,76 +14558,6 @@ static bool intel_cpu_transcoders_need_modeset(struct intel_atomic_state *state, return false; } -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(crtc_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 @@ -14656,21 +14585,6 @@ 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)) { diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index f4dede6253f8..7eb4b3dbbcb3 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -6582,6 +6582,135 @@ void intel_dp_encoder_reset(struct drm_encoder *encoder) } } +static int intel_modeset_tile_group(struct intel_atomic_state *state, + int tile_group_id) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct drm_connector_list_iter conn_iter; + struct drm_connector *connector; + 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 intel_crtc_state *crtc_state; + struct intel_crtc *crtc; + + if (!connector->has_tile || + connector->tile_group->id != tile_group_id) + continue; + + conn_state = drm_atomic_get_connector_state(&state->base, + connector); + if (IS_ERR(conn_state)) { + ret = PTR_ERR(conn_state); + break; + } + + crtc = to_intel_crtc(conn_state->crtc); + + if (!crtc) + continue; + + crtc_state = intel_atomic_get_crtc_state(&state->base, crtc); + if (IS_ERR(crtc_state)) { + ret = PTR_ERR(crtc_state); + break; + } + + crtc_state->uapi.mode_changed = true; + + ret = drm_atomic_add_affected_planes(&state->base, &crtc->base); + if (ret) + break; + } + drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter); + + return ret; +} + +static int intel_modeset_affected_transcoders(struct intel_atomic_state *state, u8 transcoders) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc *crtc; + + if (transcoders == 0) + return 0; + + for_each_intel_crtc(&dev_priv->drm, crtc) { + struct intel_crtc_state *crtc_state; + int ret; + + if ((transcoders & BIT(crtc->pipe)) == 0) + continue; + + crtc_state = intel_atomic_get_crtc_state(&state->base, crtc); + if (IS_ERR(crtc_state)) + return PTR_ERR(crtc_state); + + if (!crtc_state->hw.enable) + continue; + + crtc_state->uapi.mode_changed = true; + + ret = drm_atomic_add_affected_connectors(&state->base, &crtc->base); + if (ret) + return ret; + + WARN_ON((enum transcoder)crtc->pipe != crtc_state->cpu_transcoder); + + transcoders &= ~BIT(crtc_state->cpu_transcoder); + } + + WARN_ON(transcoders != 0); + + return 0; + +} + +static int intel_modeset_synced_crtcs(struct intel_atomic_state *state, + struct drm_connector *connector) +{ + const struct drm_connector_state *old_conn_state = + drm_atomic_get_old_connector_state(&state->base, connector); + const struct intel_crtc_state *old_crtc_state; + struct intel_crtc *crtc; + + crtc = to_intel_crtc(old_conn_state->crtc); + if (!crtc) + return 0; + + old_crtc_state = intel_atomic_get_old_crtc_state(state, crtc); + + if (!old_crtc_state->hw.active) + return 0; + + return intel_modeset_affected_transcoders(state, + (old_crtc_state->sync_mode_slaves_mask | + BIT(old_crtc_state->master_transcoder)) & + ~BIT(old_crtc_state->cpu_transcoder)); +} + +static int intel_dp_connector_atomic_check(struct drm_connector *conn, + struct drm_atomic_state *_state) +{ + struct drm_i915_private *dev_priv = to_i915(conn->dev); + struct intel_atomic_state *state = to_intel_atomic_state(_state); + int ret; + + ret = intel_digital_connector_atomic_check(conn, &state->base); + if (ret) + return ret; + + if (INTEL_GEN(dev_priv) >= 11 && conn->has_tile) { + ret = intel_modeset_tile_group(state, conn->tile_group->id); + if (ret) + return ret; + } + + return intel_modeset_synced_crtcs(state, conn); +} + static const struct drm_connector_funcs intel_dp_connector_funcs = { .force = intel_dp_force, .fill_modes = drm_helper_probe_single_connector_modes, @@ -6598,7 +6727,7 @@ static const struct drm_connector_helper_funcs intel_dp_connector_helper_funcs = .detect_ctx = intel_dp_detect, .get_modes = intel_dp_get_modes, .mode_valid = intel_dp_mode_valid, - .atomic_check = intel_digital_connector_atomic_check, + .atomic_check = intel_dp_connector_atomic_check, }; static const struct drm_encoder_funcs intel_dp_enc_funcs = {