From patchwork Wed Sep 5 20:12:00 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Sripada, Radhakrishna" X-Patchwork-Id: 10589375 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0FA66175A for ; Wed, 5 Sep 2018 20:10:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 01D3D2ABB0 for ; Wed, 5 Sep 2018 20:10:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 003682AB71; Wed, 5 Sep 2018 20:10:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 763192ABAA for ; Wed, 5 Sep 2018 20:10:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 753356E557; Wed, 5 Sep 2018 20:10:08 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 332616E555; Wed, 5 Sep 2018 20:10:07 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Sep 2018 13:10:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,334,1531810800"; d="scan'208";a="260159861" Received: from invictus.jf.intel.com ([10.54.75.152]) by fmsmga005.fm.intel.com with ESMTP; 05 Sep 2018 13:10:04 -0700 From: Radhakrishna Sripada To: intel-gfx@lists.freedesktop.org Date: Wed, 5 Sep 2018 13:12:00 -0700 Message-Id: <20180905201200.29414-2-radhakrishna.sripada@intel.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20180905201200.29414-1-radhakrishna.sripada@intel.com> References: <20180905201200.29414-1-radhakrishna.sripada@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 2/2] drm/i915: Allow "max bpc" property to limit pipe_bpp 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: Kishore Kadiyala , dri-devel@lists.freedesktop.org, Rodrigo Vivi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Use the newly added "max bpc" connector property to limit pipe bpp. V3: Use drm_connector_state to access the "max bpc" property V4: Initialize the drm property, add suuport to DP(Ville) V5: Use the property in the connector and fix CI failure(Ville) Cc: Ville Syrjälä Cc: Rodrigo Vivi Cc: Kishore Kadiyala Cc: Manasi Navare Cc: Stanislav Lisovskiy Signed-off-by: Radhakrishna Sripada --- drivers/gpu/drm/i915/intel_display.c | 31 +++++++++++++++++++++++++++++++ drivers/gpu/drm/i915/intel_dp.c | 1 + drivers/gpu/drm/i915/intel_drv.h | 2 ++ drivers/gpu/drm/i915/intel_hdmi.c | 7 +++++++ drivers/gpu/drm/i915/intel_modes.c | 20 ++++++++++++++++++++ 5 files changed, 61 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 1bd14c61dab5..a890aade094c 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -10787,6 +10787,34 @@ connected_sink_compute_bpp(struct intel_connector *connector, } } +static void +connected_sink_max_bpp(struct drm_connector_state *conn_state, + struct intel_crtc_state *pipe_config) +{ + switch (conn_state->max_bpc) { + case 8: + case 9: + pipe_config->pipe_bpp = 8*3; + break; + case 10: + case 11: + pipe_config->pipe_bpp = 10*3; + break; + case 12: + case 13: + case 14: + case 15: + pipe_config->pipe_bpp = 12*3; + break; + case 16: + pipe_config->pipe_bpp = 16*3; + break; + default: + break; + } + DRM_DEBUG_KMS("Limiting display bpp to %d\n", pipe_config->pipe_bpp); +} + static int compute_baseline_pipe_bpp(struct intel_crtc *crtc, struct intel_crtc_state *pipe_config) @@ -10815,6 +10843,9 @@ compute_baseline_pipe_bpp(struct intel_crtc *crtc, if (connector_state->crtc != &crtc->base) continue; + if (connector_state->max_bpc) + connected_sink_max_bpp(connector_state, pipe_config); + connected_sink_compute_bpp(to_intel_connector(connector), pipe_config); } diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 436c22de33b6..3955745a4d9f 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -5719,6 +5719,7 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect intel_attach_force_audio_property(connector); intel_attach_broadcast_rgb_property(connector); + intel_attach_max_bpc_property(connector, 8, 16); if (intel_dp_is_edp(intel_dp)) { u32 allowed_scalers; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index f5731215210a..b3c703dacc92 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1869,6 +1869,8 @@ int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter); void intel_attach_force_audio_property(struct drm_connector *connector); void intel_attach_broadcast_rgb_property(struct drm_connector *connector); void intel_attach_aspect_ratio_property(struct drm_connector *connector); +void intel_attach_max_bpc_property(struct drm_connector *connector, int min, int + max); /* intel_overlay.c */ diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index a2dab0b6bde6..e649bbf07642 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -2109,11 +2109,18 @@ static const struct drm_encoder_funcs intel_hdmi_enc_funcs = { static void intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *connector) { + struct drm_i915_private *dev_priv = to_i915(connector->dev); + intel_attach_force_audio_property(connector); intel_attach_broadcast_rgb_property(connector); intel_attach_aspect_ratio_property(connector); drm_connector_attach_content_type_property(connector); connector->state->picture_aspect_ratio = HDMI_PICTURE_ASPECT_NONE; + + if (HAS_GMCH_DISPLAY(dev_priv)) + intel_attach_max_bpc_property(connector, 8, 8); + else + intel_attach_max_bpc_property(connector, 8, 12); } /* diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c index ca44bf368e24..12f1238bad8a 100644 --- a/drivers/gpu/drm/i915/intel_modes.c +++ b/drivers/gpu/drm/i915/intel_modes.c @@ -133,3 +133,23 @@ intel_attach_aspect_ratio_property(struct drm_connector *connector) connector->dev->mode_config.aspect_ratio_property, DRM_MODE_PICTURE_ASPECT_NONE); } + +void +intel_attach_max_bpc_property(struct drm_connector *connector, int min, int + max) +{ + struct drm_device *dev = connector->dev; + struct drm_property *prop; + + prop = connector->max_bpc_property; + if (prop == NULL) { + prop = drm_property_create_range(dev, 0, "max bpc", min, max); + if (prop == NULL) + return; + + connector->max_bpc_property = prop; + } + + drm_object_attach_property(&connector->base, prop, max); + connector->state->max_bpc = max; +}