From patchwork Wed Oct 2 16:25:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 11171493 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 9ABEB13BD for ; Wed, 2 Oct 2019 16:25:11 +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 7FE5A21920 for ; Wed, 2 Oct 2019 16:25:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7FE5A21920 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.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 8A38389F47; Wed, 2 Oct 2019 16:25:10 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2789B89F47 for ; Wed, 2 Oct 2019 16:25:09 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2019 09:25:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,249,1566889200"; d="scan'208";a="191843879" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by fmsmga007.fm.intel.com with SMTP; 02 Oct 2019 09:25:06 -0700 Received: by stinkbox (sSMTP sendmail emulation); Wed, 02 Oct 2019 19:25:05 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Wed, 2 Oct 2019 19:25:00 +0300 Message-Id: <20191002162505.30716-1-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 1/6] drm/i915: Polish possible_clones setup X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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" From: Ville Syrjälä Replace the hand rolled stuff with drm_encoder_mask() when populating possible_clones, and rename the function to intel_encoder_possible_clones() to make it clear what it's used for. Signed-off-by: Ville Syrjälä Reviewed-by: Juha-Pekka Heikkila --- drivers/gpu/drm/i915/display/intel_display.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 20ec8a1dc5e1..d10e118b9a7c 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -15240,21 +15240,18 @@ int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data, return 0; } -static int intel_encoder_clones(struct intel_encoder *encoder) +static u32 intel_encoder_possible_clones(struct intel_encoder *encoder) { struct drm_device *dev = encoder->base.dev; struct intel_encoder *source_encoder; - int index_mask = 0; - int entry = 0; + u32 possible_clones = 0; for_each_intel_encoder(dev, source_encoder) { if (encoders_cloneable(encoder, source_encoder)) - index_mask |= (1 << entry); - - entry++; + possible_clones |= drm_encoder_mask(&source_encoder->base); } - return index_mask; + return possible_clones; } static u32 intel_encoder_possible_crtcs(struct intel_encoder *encoder) @@ -15574,7 +15571,7 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv) encoder->base.possible_crtcs = intel_encoder_possible_crtcs(encoder); encoder->base.possible_clones = - intel_encoder_clones(encoder); + intel_encoder_possible_clones(encoder); } intel_init_pch_refclk(dev_priv); From patchwork Wed Oct 2 16:25:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 11171495 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 3D04D112B for ; Wed, 2 Oct 2019 16:25:14 +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 250C421920 for ; Wed, 2 Oct 2019 16:25:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 250C421920 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.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 7FB266E87F; Wed, 2 Oct 2019 16:25:13 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id D69FA89F63 for ; Wed, 2 Oct 2019 16:25:11 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2019 09:25:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,249,1566889200"; d="scan'208";a="275401439" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by orsmga001.jf.intel.com with SMTP; 02 Oct 2019 09:25:09 -0700 Received: by stinkbox (sSMTP sendmail emulation); Wed, 02 Oct 2019 19:25:08 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Wed, 2 Oct 2019 19:25:01 +0300 Message-Id: <20191002162505.30716-2-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191002162505.30716-1-ville.syrjala@linux.intel.com> References: <20191002162505.30716-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/6] drm/i915: Simplfy LVDS crtc_mask setup X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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" From: Ville Syrjälä We don't need to special case PCH vs. gen4 when setting up the LVDS crtc_mask. Just claim pipes A|B|C work and intel_encoder_possible_crtcs() will drop out any crtc that doesn't exist. v2: Put the special case first to match what most other encoders do Signed-off-by: Ville Syrjälä Reviewed-by: Juha-Pekka Heikkila --- drivers/gpu/drm/i915/display/intel_lvds.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c index 13841d7c455b..cf1cd2295b9b 100644 --- a/drivers/gpu/drm/i915/display/intel_lvds.c +++ b/drivers/gpu/drm/i915/display/intel_lvds.c @@ -899,12 +899,10 @@ void intel_lvds_init(struct drm_i915_private *dev_priv) intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER; intel_encoder->port = PORT_NONE; intel_encoder->cloneable = 0; - if (HAS_PCH_SPLIT(dev_priv)) - intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); - else if (IS_GEN(dev_priv, 4)) - intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B); - else + if (INTEL_GEN(dev_priv) < 4) intel_encoder->crtc_mask = BIT(PIPE_B); + else + intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs); connector->display_info.subpixel_order = SubPixelHorizontalRGB; From patchwork Wed Oct 2 16:25:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 11171497 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 8DD24112B for ; Wed, 2 Oct 2019 16:25:17 +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 761AC21920 for ; Wed, 2 Oct 2019 16:25:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 761AC21920 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.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 0645F6E880; Wed, 2 Oct 2019 16:25:17 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 418F46E880 for ; Wed, 2 Oct 2019 16:25:15 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2019 09:25:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,249,1566889200"; d="scan'208";a="196049299" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by orsmga006.jf.intel.com with SMTP; 02 Oct 2019 09:25:12 -0700 Received: by stinkbox (sSMTP sendmail emulation); Wed, 02 Oct 2019 19:25:11 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Wed, 2 Oct 2019 19:25:02 +0300 Message-Id: <20191002162505.30716-3-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191002162505.30716-1-ville.syrjala@linux.intel.com> References: <20191002162505.30716-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/6] drm/i915: s/crtc_mask/pipe_mask/ X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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" From: Ville Syrjälä Rename the encoder->crtc_mask to encoder->pipe_mask to better reflect what it actually contains. Signed-off-by: Ville Syrjälä Reviewed-by: Lucas De Marchi --- drivers/gpu/drm/i915/display/icl_dsi.c | 2 +- drivers/gpu/drm/i915/display/intel_crt.c | 4 ++-- drivers/gpu/drm/i915/display/intel_ddi.c | 2 +- drivers/gpu/drm/i915/display/intel_display.c | 2 +- drivers/gpu/drm/i915/display/intel_display_types.h | 4 ++-- drivers/gpu/drm/i915/display/intel_dp.c | 6 +++--- drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 +- drivers/gpu/drm/i915/display/intel_dvo.c | 2 +- drivers/gpu/drm/i915/display/intel_hdmi.c | 6 +++--- drivers/gpu/drm/i915/display/intel_lvds.c | 4 ++-- drivers/gpu/drm/i915/display/intel_sdvo.c | 2 +- drivers/gpu/drm/i915/display/intel_tv.c | 2 +- drivers/gpu/drm/i915/display/vlv_dsi.c | 6 +++--- 13 files changed, 22 insertions(+), 22 deletions(-) diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 6e398c33a524..4cea8ed2bd31 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1584,7 +1584,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv) encoder->get_hw_state = gen11_dsi_get_hw_state; encoder->type = INTEL_OUTPUT_DSI; encoder->cloneable = 0; - encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); encoder->power_domain = POWER_DOMAIN_PORT_DSI; encoder->get_power_domains = gen11_dsi_get_power_domains; diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c index ff6126ea793c..6e6c77971a5f 100644 --- a/drivers/gpu/drm/i915/display/intel_crt.c +++ b/drivers/gpu/drm/i915/display/intel_crt.c @@ -994,9 +994,9 @@ void intel_crt_init(struct drm_i915_private *dev_priv) crt->base.type = INTEL_OUTPUT_ANALOG; crt->base.cloneable = (1 << INTEL_OUTPUT_DVO) | (1 << INTEL_OUTPUT_HDMI); if (IS_I830(dev_priv)) - crt->base.crtc_mask = BIT(PIPE_A); + crt->base.pipe_mask = BIT(PIPE_A); else - crt->base.crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + crt->base.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); if (IS_GEN(dev_priv, 2)) connector->interlace_allowed = 0; diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index b463e51f8b45..99aa798c9ea7 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -4641,7 +4641,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) intel_encoder->port = port; intel_encoder->cloneable = 0; for_each_pipe(dev_priv, pipe) - intel_encoder->crtc_mask |= BIT(pipe); + intel_encoder->pipe_mask |= BIT(pipe); if (INTEL_GEN(dev_priv) >= 11) intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) & diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index d10e118b9a7c..eadb856b0d5b 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -15261,7 +15261,7 @@ static u32 intel_encoder_possible_crtcs(struct intel_encoder *encoder) u32 possible_crtcs = 0; for_each_intel_crtc(dev, crtc) { - if (encoder->crtc_mask & BIT(crtc->pipe)) + if (encoder->pipe_mask & BIT(crtc->pipe)) possible_crtcs |= drm_crtc_mask(&crtc->base); } diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 976669f01a8c..5930ed12a8a4 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -128,7 +128,8 @@ struct intel_encoder { enum intel_output_type type; enum port port; - unsigned int cloneable; + u16 cloneable; + u8 pipe_mask; enum intel_hotplug_state (*hotplug)(struct intel_encoder *encoder, struct intel_connector *connector, bool irq_received); @@ -187,7 +188,6 @@ struct intel_encoder { * device interrupts are disabled. */ void (*suspend)(struct intel_encoder *); - int crtc_mask; enum hpd_pin hpd_pin; enum intel_display_power_domain power_domain; /* for communication with audio component; protected by av_mutex */ diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 1aa39e92f0df..e7114edbc18e 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -7364,11 +7364,11 @@ bool intel_dp_init(struct drm_i915_private *dev_priv, intel_encoder->power_domain = intel_port_to_power_domain(port); if (IS_CHERRYVIEW(dev_priv)) { if (port == PORT_D) - intel_encoder->crtc_mask = BIT(PIPE_C); + intel_encoder->pipe_mask = BIT(PIPE_C); else - intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B); + intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B); } else { - intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); } intel_encoder->cloneable = 0; intel_encoder->port = port; diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 2203be28ea01..1b1674ef679e 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -618,7 +618,7 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum intel_encoder->port = intel_dig_port->base.port; intel_encoder->cloneable = 0; for_each_pipe(dev_priv, pipe_iter) - intel_encoder->crtc_mask |= BIT(pipe_iter); + intel_encoder->pipe_mask |= BIT(pipe_iter); intel_encoder->compute_config = intel_dp_mst_compute_config; intel_encoder->disable = intel_mst_disable_dp; diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c index 9827f99491d1..a6c165d857e0 100644 --- a/drivers/gpu/drm/i915/display/intel_dvo.c +++ b/drivers/gpu/drm/i915/display/intel_dvo.c @@ -505,7 +505,7 @@ void intel_dvo_init(struct drm_i915_private *dev_priv) intel_encoder->type = INTEL_OUTPUT_DVO; intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER; intel_encoder->port = port; - intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B); + intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B); switch (dvo->type) { case INTEL_DVO_CHIP_TMDS: diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index 0a6846c5ba95..c561e10e7d13 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -3274,11 +3274,11 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv, intel_encoder->port = port; if (IS_CHERRYVIEW(dev_priv)) { if (port == PORT_D) - intel_encoder->crtc_mask = BIT(PIPE_C); + intel_encoder->pipe_mask = BIT(PIPE_C); else - intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B); + intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B); } else { - intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); } intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG; /* diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c index cf1cd2295b9b..e358a6da5aaf 100644 --- a/drivers/gpu/drm/i915/display/intel_lvds.c +++ b/drivers/gpu/drm/i915/display/intel_lvds.c @@ -900,9 +900,9 @@ void intel_lvds_init(struct drm_i915_private *dev_priv) intel_encoder->port = PORT_NONE; intel_encoder->cloneable = 0; if (INTEL_GEN(dev_priv) < 4) - intel_encoder->crtc_mask = BIT(PIPE_B); + intel_encoder->pipe_mask = BIT(PIPE_B); else - intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs); connector->display_info.subpixel_order = SubPixelHorizontalRGB; diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c index 47f5d87a938a..fed738effbc3 100644 --- a/drivers/gpu/drm/i915/display/intel_sdvo.c +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c @@ -2921,7 +2921,7 @@ intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, u16 flags) bytes[0], bytes[1]); return false; } - intel_sdvo->base.crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + intel_sdvo->base.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); return true; } diff --git a/drivers/gpu/drm/i915/display/intel_tv.c b/drivers/gpu/drm/i915/display/intel_tv.c index 70726b481244..35e929423e48 100644 --- a/drivers/gpu/drm/i915/display/intel_tv.c +++ b/drivers/gpu/drm/i915/display/intel_tv.c @@ -1947,7 +1947,7 @@ intel_tv_init(struct drm_i915_private *dev_priv) intel_encoder->type = INTEL_OUTPUT_TVOUT; intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER; intel_encoder->port = PORT_NONE; - intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B); + intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B); intel_encoder->cloneable = 0; intel_tv->type = DRM_MODE_CONNECTOR_Unknown; diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c index 50064cde0724..11a7c77d64bc 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c @@ -1870,11 +1870,11 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv) * port C. BXT isn't limited like this. */ if (IS_GEN9_LP(dev_priv)) - intel_encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); else if (port == PORT_A) - intel_encoder->crtc_mask = BIT(PIPE_A); + intel_encoder->pipe_mask = BIT(PIPE_A); else - intel_encoder->crtc_mask = BIT(PIPE_B); + intel_encoder->pipe_mask = BIT(PIPE_B); if (dev_priv->vbt.dsi.config->dual_link) intel_dsi->ports = BIT(PORT_A) | BIT(PORT_C); From patchwork Wed Oct 2 16:25:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 11171499 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 66D90112B for ; Wed, 2 Oct 2019 16:25:19 +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 4F3EC21920 for ; Wed, 2 Oct 2019 16:25:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4F3EC21920 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.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 DFF346E885; Wed, 2 Oct 2019 16:25:18 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8AE2A6E886 for ; Wed, 2 Oct 2019 16:25:17 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2019 09:25:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,249,1566889200"; d="scan'208";a="221455853" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by fmsmga002.fm.intel.com with SMTP; 02 Oct 2019 09:25:15 -0700 Received: by stinkbox (sSMTP sendmail emulation); Wed, 02 Oct 2019 19:25:14 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Wed, 2 Oct 2019 19:25:03 +0300 Message-Id: <20191002162505.30716-4-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191002162505.30716-1-ville.syrjala@linux.intel.com> References: <20191002162505.30716-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 4/6] drm/i915: Allow ICL+ DSI on any pipe X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lucas De Marchi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Ville Syrjälä There are no longer any pipe<->DSI port limitations on icl+. Populate the pipe_mask accordingly. Cc: José Roberto de Souza Cc: Lucas De Marchi Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/icl_dsi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 4cea8ed2bd31..99a75c611387 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1552,6 +1552,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv) struct drm_connector *connector; struct drm_display_mode *fixed_mode; enum port port; + enum pipe pipe; if (!intel_bios_is_dsi_present(dev_priv, &port)) return; @@ -1584,7 +1585,8 @@ void icl_dsi_init(struct drm_i915_private *dev_priv) encoder->get_hw_state = gen11_dsi_get_hw_state; encoder->type = INTEL_OUTPUT_DSI; encoder->cloneable = 0; - encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + for_each_pipe(dev_priv, pipe) + encoder->pipe_mask |= BIT(pipe); encoder->power_domain = POWER_DOMAIN_PORT_DSI; encoder->get_power_domains = gen11_dsi_get_power_domains; From patchwork Wed Oct 2 16:25:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 11171501 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 297B513BD for ; Wed, 2 Oct 2019 16:25:23 +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 11EA821920 for ; Wed, 2 Oct 2019 16:25:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 11EA821920 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.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 EB6A46E89E; Wed, 2 Oct 2019 16:25:21 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id CC43E6E886 for ; Wed, 2 Oct 2019 16:25:20 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2019 09:25:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,249,1566889200"; d="scan'208";a="185604490" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by orsmga008.jf.intel.com with SMTP; 02 Oct 2019 09:25:18 -0700 Received: by stinkbox (sSMTP sendmail emulation); Wed, 02 Oct 2019 19:25:17 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Wed, 2 Oct 2019 19:25:04 +0300 Message-Id: <20191002162505.30716-5-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191002162505.30716-1-ville.syrjala@linux.intel.com> References: <20191002162505.30716-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 5/6] drm/i915: Simplify pipe_mask setup even further X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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" From: Ville Syrjälä Just set pipe_mask=~0 for the non-special cases where any pipe will do. intel_encoder_possible_crtcs() will anyway drop out anything that doesn't exist. Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/icl_dsi.c | 4 +--- drivers/gpu/drm/i915/display/intel_crt.c | 2 +- drivers/gpu/drm/i915/display/intel_ddi.c | 4 +--- drivers/gpu/drm/i915/display/intel_dp.c | 2 +- drivers/gpu/drm/i915/display/intel_dp_mst.c | 5 +---- drivers/gpu/drm/i915/display/intel_dvo.c | 2 +- drivers/gpu/drm/i915/display/intel_hdmi.c | 2 +- drivers/gpu/drm/i915/display/intel_lvds.c | 2 +- drivers/gpu/drm/i915/display/intel_sdvo.c | 2 +- drivers/gpu/drm/i915/display/intel_tv.c | 2 +- drivers/gpu/drm/i915/display/vlv_dsi.c | 2 +- 11 files changed, 11 insertions(+), 18 deletions(-) diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 99a75c611387..325df29b0447 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1552,7 +1552,6 @@ void icl_dsi_init(struct drm_i915_private *dev_priv) struct drm_connector *connector; struct drm_display_mode *fixed_mode; enum port port; - enum pipe pipe; if (!intel_bios_is_dsi_present(dev_priv, &port)) return; @@ -1585,8 +1584,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv) encoder->get_hw_state = gen11_dsi_get_hw_state; encoder->type = INTEL_OUTPUT_DSI; encoder->cloneable = 0; - for_each_pipe(dev_priv, pipe) - encoder->pipe_mask |= BIT(pipe); + encoder->pipe_mask = ~0; encoder->power_domain = POWER_DOMAIN_PORT_DSI; encoder->get_power_domains = gen11_dsi_get_power_domains; diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c index 6e6c77971a5f..cdb7c5b355e9 100644 --- a/drivers/gpu/drm/i915/display/intel_crt.c +++ b/drivers/gpu/drm/i915/display/intel_crt.c @@ -996,7 +996,7 @@ void intel_crt_init(struct drm_i915_private *dev_priv) if (IS_I830(dev_priv)) crt->base.pipe_mask = BIT(PIPE_A); else - crt->base.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + crt->base.pipe_mask = ~0; if (IS_GEN(dev_priv, 2)) connector->interlace_allowed = 0; diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 99aa798c9ea7..4afbe5e53e4b 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -4588,7 +4588,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) struct intel_encoder *intel_encoder; struct drm_encoder *encoder; bool init_hdmi, init_dp, init_lspcon = false; - enum pipe pipe; enum phy phy = intel_port_to_phy(dev_priv, port); init_hdmi = port_info->supports_dvi || port_info->supports_hdmi; @@ -4640,8 +4639,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) intel_encoder->power_domain = intel_port_to_power_domain(port); intel_encoder->port = port; intel_encoder->cloneable = 0; - for_each_pipe(dev_priv, pipe) - intel_encoder->pipe_mask |= BIT(pipe); + intel_encoder->pipe_mask = ~0; if (INTEL_GEN(dev_priv) >= 11) intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) & diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index e7114edbc18e..6ba757acfe3d 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -7368,7 +7368,7 @@ bool intel_dp_init(struct drm_i915_private *dev_priv, else intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B); } else { - intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + intel_encoder->pipe_mask = ~0; } intel_encoder->cloneable = 0; intel_encoder->port = port; diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 1b1674ef679e..7be82cf926ca 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -598,8 +598,6 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum struct intel_dp_mst_encoder *intel_mst; struct intel_encoder *intel_encoder; struct drm_device *dev = intel_dig_port->base.base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); - enum pipe pipe_iter; intel_mst = kzalloc(sizeof(*intel_mst), GFP_KERNEL); @@ -617,8 +615,7 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum intel_encoder->power_domain = intel_dig_port->base.power_domain; intel_encoder->port = intel_dig_port->base.port; intel_encoder->cloneable = 0; - for_each_pipe(dev_priv, pipe_iter) - intel_encoder->pipe_mask |= BIT(pipe_iter); + intel_encoder->pipe_mask = ~0; intel_encoder->compute_config = intel_dp_mst_compute_config; intel_encoder->disable = intel_mst_disable_dp; diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c index a6c165d857e0..bcfbcb743e7d 100644 --- a/drivers/gpu/drm/i915/display/intel_dvo.c +++ b/drivers/gpu/drm/i915/display/intel_dvo.c @@ -505,7 +505,7 @@ void intel_dvo_init(struct drm_i915_private *dev_priv) intel_encoder->type = INTEL_OUTPUT_DVO; intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER; intel_encoder->port = port; - intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B); + intel_encoder->pipe_mask = ~0; switch (dvo->type) { case INTEL_DVO_CHIP_TMDS: diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index c561e10e7d13..e089e7f4ab36 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -3278,7 +3278,7 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv, else intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B); } else { - intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + intel_encoder->pipe_mask = ~0; } intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG; /* diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c index e358a6da5aaf..b1bc78623647 100644 --- a/drivers/gpu/drm/i915/display/intel_lvds.c +++ b/drivers/gpu/drm/i915/display/intel_lvds.c @@ -902,7 +902,7 @@ void intel_lvds_init(struct drm_i915_private *dev_priv) if (INTEL_GEN(dev_priv) < 4) intel_encoder->pipe_mask = BIT(PIPE_B); else - intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + intel_encoder->pipe_mask = ~0; drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs); connector->display_info.subpixel_order = SubPixelHorizontalRGB; diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c index fed738effbc3..5b7f4baf7348 100644 --- a/drivers/gpu/drm/i915/display/intel_sdvo.c +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c @@ -2921,7 +2921,7 @@ intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, u16 flags) bytes[0], bytes[1]); return false; } - intel_sdvo->base.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + intel_sdvo->base.pipe_mask = ~0; return true; } diff --git a/drivers/gpu/drm/i915/display/intel_tv.c b/drivers/gpu/drm/i915/display/intel_tv.c index 35e929423e48..398436586e43 100644 --- a/drivers/gpu/drm/i915/display/intel_tv.c +++ b/drivers/gpu/drm/i915/display/intel_tv.c @@ -1947,7 +1947,7 @@ intel_tv_init(struct drm_i915_private *dev_priv) intel_encoder->type = INTEL_OUTPUT_TVOUT; intel_encoder->power_domain = POWER_DOMAIN_PORT_OTHER; intel_encoder->port = PORT_NONE; - intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B); + intel_encoder->pipe_mask = ~0; intel_encoder->cloneable = 0; intel_tv->type = DRM_MODE_CONNECTOR_Unknown; diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c index 11a7c77d64bc..0ca49b1604c6 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c @@ -1870,7 +1870,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv) * port C. BXT isn't limited like this. */ if (IS_GEN9_LP(dev_priv)) - intel_encoder->pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C); + intel_encoder->pipe_mask = ~0; else if (port == PORT_A) intel_encoder->pipe_mask = BIT(PIPE_A); else From patchwork Wed Oct 2 16:25:05 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 11171503 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 CC1CD13BD for ; Wed, 2 Oct 2019 16:25:25 +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 B41BC21920 for ; Wed, 2 Oct 2019 16:25:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B41BC21920 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.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 3DBEC6E8A4; Wed, 2 Oct 2019 16:25:25 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 91F3E6E8A4 for ; Wed, 2 Oct 2019 16:25:23 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Oct 2019 09:25:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,249,1566889200"; d="scan'208";a="182095315" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by orsmga007.jf.intel.com with SMTP; 02 Oct 2019 09:25:21 -0700 Received: by stinkbox (sSMTP sendmail emulation); Wed, 02 Oct 2019 19:25:20 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Wed, 2 Oct 2019 19:25:05 +0300 Message-Id: <20191002162505.30716-6-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191002162505.30716-1-ville.syrjala@linux.intel.com> References: <20191002162505.30716-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 6/6] drm/i915/mst: Document the userspace fail with possible_crtcs X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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" From: Ville Syrjälä To avoid accidentally breaking things in the future add a comment explaining why we misconfigure the pipe_mask. Also toss in a TODO for investigating a single encoder approach as opposed to the encoder-per-pipe approach. Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_dp_mst.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 7be82cf926ca..cb3047fe2d02 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -615,6 +615,18 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum intel_encoder->power_domain = intel_dig_port->base.power_domain; intel_encoder->port = intel_dig_port->base.port; intel_encoder->cloneable = 0; + /* + * This is wrong, but broken userspace uses the intersection + * of possible_crtcs of all the encoders of a given connector + * to figure out which crtcs can drive said connector. What + * should be used instead is the union of possible_crtcs. + * To keep such userspace functioning we must misconfigure + * this to make sure the intersection is not empty :( + * + * TODO: figure out if we could eliminate the per-pipe + * encoders here and just have a single encoder for each + * MST connector. That would sidestep the userspace bug. + */ intel_encoder->pipe_mask = ~0; intel_encoder->compute_config = intel_dp_mst_compute_config;