From patchwork Tue Jun 5 09:30:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sharma, Shashank" X-Patchwork-Id: 10447905 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E4B086053F for ; Tue, 5 Jun 2018 09:22:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DC94C28DEA for ; Tue, 5 Jun 2018 09:22:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D169628DF5; Tue, 5 Jun 2018 09:22:54 +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 4A61728DEA for ; Tue, 5 Jun 2018 09:22:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B34E56ECFD; Tue, 5 Jun 2018 09:22:53 +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 3EAB96ECFD for ; Tue, 5 Jun 2018 09:22:52 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Jun 2018 02:22:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,478,1520924400"; d="scan'208";a="61376176" Received: from shashanks-linuxbox.iind.intel.com ([10.223.161.29]) by fmsmga001.fm.intel.com with ESMTP; 05 Jun 2018 02:22:49 -0700 From: Shashank Sharma To: intel-gfx@lists.freedesktop.org Date: Tue, 5 Jun 2018 15:00:35 +0530 Message-Id: <1528191035-25404-1-git-send-email-shashank.sharma@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1527675475-18114-7-git-send-email-shashank.sharma@intel.com> References: <1527675475-18114-7-git-send-email-shashank.sharma@intel.com> Subject: [Intel-gfx] [PATCH v9 5/8] drm/i915: Add AVI infoframe support for LSPCON 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: Imre Deak MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP In order to pass AVI infoframes to LSPCON devices, a source has to write them in a vendor recommended method and location. This patch series: - adds generic LSPCON infoframe setup functions. - registers these functions into existing AVI infoframe framework. - triggers these functions from modeset sequence. Next patches in the series will add vendor specific code. V2: Added new parameter to align with new definition of drm_hdmi_avi_infoframe_quant_range V3: Added r-b from Maarten (for V2) Added new parameter output_format in struct lspcon to accommodate Ville's review comments on last patch of the series V4: Addressed Ville's review comment - Do not add output_format in LSPCON state, as its non-atomic. Add this into CRTC state (added in a later patch). V5: Rebase V6: Rebase V7: Rebase V8: Rebase Cc: Ville Syrjala Cc: Imre Deak Cc: Maarten Lankhorst Reviewed-by: Maarten Lankhorst Signed-off-by: Shashank Sharma --- drivers/gpu/drm/i915/intel_ddi.c | 19 +++++++++++--- drivers/gpu/drm/i915/intel_drv.h | 13 +++++++++- drivers/gpu/drm/i915/intel_hdmi.c | 13 +++++++--- drivers/gpu/drm/i915/intel_lspcon.c | 49 +++++++++++++++++++++++++++++++++++++ 4 files changed, 86 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 1c55fb2..1703bea 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -2659,10 +2659,22 @@ static void intel_ddi_pre_enable(struct intel_encoder *encoder, intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) { intel_ddi_pre_enable_hdmi(encoder, crtc_state, conn_state); - else + } else { + struct intel_lspcon *lspcon = + enc_to_intel_lspcon(&encoder->base); + intel_ddi_pre_enable_dp(encoder, crtc_state, conn_state); + if (lspcon->active) { + struct intel_digital_port *dig_port = + enc_to_dig_port(&encoder->base); + + dig_port->set_infoframes(&encoder->base, + crtc_state->has_infoframe, + crtc_state, conn_state); + } + } } static void intel_disable_ddi_buf(struct intel_encoder *encoder) @@ -3515,8 +3527,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) MISSING_CASE(port); } - intel_infoframe_init(intel_dig_port); - if (init_dp) { if (!intel_ddi_init_dp_connector(intel_dig_port)) goto err; @@ -3546,6 +3556,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) port_name(port)); } + intel_infoframe_init(intel_dig_port); return; err: diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index bffddef..e499b72 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1293,6 +1293,12 @@ static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder) return &enc_to_dig_port(encoder)->dp; } +static inline struct intel_lspcon * +enc_to_intel_lspcon(struct drm_encoder *encoder) +{ + return &enc_to_dig_port(encoder)->lspcon; +} + static inline struct intel_digital_port * dp_to_dig_port(struct intel_dp *intel_dp) { @@ -1836,7 +1842,6 @@ bool intel_hdmi_handle_sink_scrambling(struct intel_encoder *encoder, void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable); void intel_infoframe_init(struct intel_digital_port *intel_dig_port); - /* intel_lvds.c */ bool intel_lvds_port_enabled(struct drm_i915_private *dev_priv, i915_reg_t lvds_reg, enum pipe *pipe); @@ -2162,6 +2167,12 @@ void intel_color_load_luts(struct drm_crtc_state *crtc_state); bool lspcon_init(struct intel_digital_port *intel_dig_port); void lspcon_resume(struct intel_lspcon *lspcon); void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon); +void lspcon_set_infoframes(struct drm_encoder *encoder, + bool enable, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state); +bool lspcon_infoframe_enabled(struct drm_encoder *encoder, + const struct intel_crtc_state *pipe_config); /* intel_pipe_crc.c */ int intel_pipe_crc_create(struct drm_minor *minor); diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index c741ef5..6ea962e 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -2267,9 +2267,16 @@ void intel_infoframe_init(struct intel_digital_port *intel_dig_port) intel_dig_port->set_infoframes = g4x_set_infoframes; intel_dig_port->infoframe_enabled = g4x_infoframe_enabled; } else if (HAS_DDI(dev_priv)) { - intel_dig_port->write_infoframe = hsw_write_infoframe; - intel_dig_port->set_infoframes = hsw_set_infoframes; - intel_dig_port->infoframe_enabled = hsw_infoframe_enabled; + if (intel_dig_port->lspcon.active) { + intel_dig_port->set_infoframes = lspcon_set_infoframes; + intel_dig_port->infoframe_enabled = + lspcon_infoframe_enabled; + } else { + intel_dig_port->set_infoframes = hsw_set_infoframes; + intel_dig_port->infoframe_enabled = + hsw_infoframe_enabled; + intel_dig_port->write_infoframe = hsw_write_infoframe; + } } else if (HAS_PCH_IBX(dev_priv)) { intel_dig_port->write_infoframe = ibx_write_infoframe; intel_dig_port->set_infoframes = ibx_set_infoframes; diff --git a/drivers/gpu/drm/i915/intel_lspcon.c b/drivers/gpu/drm/i915/intel_lspcon.c index 40929c2..56526eb 100644 --- a/drivers/gpu/drm/i915/intel_lspcon.c +++ b/drivers/gpu/drm/i915/intel_lspcon.c @@ -234,6 +234,55 @@ static void lspcon_resume_in_pcon_wa(struct intel_lspcon *lspcon) DRM_DEBUG_KMS("LSPCON DP descriptor mismatch after resume\n"); } +void lspcon_set_infoframes(struct drm_encoder *encoder, + bool enable, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + ssize_t ret; + union hdmi_infoframe frame; + uint8_t buf[VIDEO_DIP_DATA_SIZE]; + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + struct intel_lspcon *lspcon = &dig_port->lspcon; + struct intel_dp *intel_dp = &dig_port->dp; + struct drm_connector *connector = &intel_dp->attached_connector->base; + const struct drm_display_mode *mode = &crtc_state->base.adjusted_mode; + bool is_hdmi2_sink = connector->display_info.hdmi.scdc.supported; + + if (!lspcon->active) { + DRM_ERROR("Writing infoframes while LSPCON disabled ?\n"); + return; + } + + ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, + mode, is_hdmi2_sink); + if (ret < 0) { + DRM_ERROR("couldn't fill AVI infoframe\n"); + return; + } + + drm_hdmi_avi_infoframe_quant_range(&frame.avi, mode, + crtc_state->limited_color_range ? + HDMI_QUANTIZATION_RANGE_LIMITED : + HDMI_QUANTIZATION_RANGE_FULL, + false, is_hdmi2_sink); + + ret = hdmi_infoframe_pack(&frame, buf, sizeof(buf)); + if (ret < 0) { + DRM_ERROR("Failed to pack AVI IF\n"); + return; + } + + dig_port->write_infoframe(encoder, crtc_state, HDMI_INFOFRAME_TYPE_AVI, + buf, ret); +} + +bool lspcon_infoframe_enabled(struct drm_encoder *encoder, + const struct intel_crtc_state *pipe_config) +{ + return enc_to_intel_lspcon(encoder)->active; +} + void lspcon_resume(struct intel_lspcon *lspcon) { enum drm_lspcon_mode expected_mode;