From patchwork Thu Mar 31 15:19:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12797239 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 633CFC433EF for ; Thu, 31 Mar 2022 15:20:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EFC1910F210; Thu, 31 Mar 2022 15:20:31 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) by gabe.freedesktop.org (Postfix) with ESMTPS id C458110E37F for ; Thu, 31 Mar 2022 15:20:29 +0000 (UTC) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 9A46B84217; Thu, 31 Mar 2022 17:20:27 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648740028; bh=ZIkR9SkRv0ul7ayt+CWTjtEITiUhjfkJtOrGuaZXy3Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C49n/T//rc3C5s1yD0GW5EPxehLUFpYzL+yG61lXlTe2eOTSN8mn0FtaiSbnMQZmw ujfcC6twhVWzGM78SQG0gCGaQNOZulyfICxxGqGpa2haJcaEAK039wJDWWTYaHCVYq ETTPgQn3y+RDDJjHB4Y9vLn/jDPtiJWbyUaEJSzHrfZA25IGCVJyGunn7l+R7GIUJ5 0X6wbx3RohvkpTeY83gBskAAW7dfp9QtofqdaGq2xxl841ZBV1AAVvnx+6Wr48GxLW RQ/EOclFYJibKXvhTYt31V0AhlsCzo5kyspUmSWIruuoQtUybVdYq4pzNt9CzMEQHh R+Uu9TKTxY7hw== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 01/11] dt-bindings: display: bridge: tc358867: Document DPI output support Date: Thu, 31 Mar 2022 17:19:42 +0200 Message-Id: <20220331151952.13221-2-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220331151952.13221-1-marex@denx.de> References: <20220331151952.13221-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Maxime Ripard , Jonas Karlman , Neil Armstrong , robert.foss@linaro.org, devicetree@vger.kernel.org, Rob Herring , Laurent Pinchart , Sam Ravnborg Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The TC358767/TC358867/TC9595 are all capable of operating in multiple modes, DPI-to-(e)DP, DSI-to-(e)DP, DSI-to-DPI. Document support for the DPI output port, which can now be connected both as input and output. Acked-by: Rob Herring Reviewed-by: Lucas Stach Tested-by: Lucas Stach # In both DPI to eDP and DSI to DPI mode. Signed-off-by: Marek Vasut Cc: Jonas Karlman Cc: Laurent Pinchart Cc: Maxime Ripard Cc: Neil Armstrong Cc: Rob Herring Cc: Sam Ravnborg Cc: devicetree@vger.kernel.org To: dri-devel@lists.freedesktop.org --- V2: - Rebase on next-20220217 V3: - No change V4: - Add AB by Rob, RB/TB by Lucas V5: - No change V6: - No change --- .../devicetree/bindings/display/bridge/toshiba,tc358767.yaml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml index f1541cc05297..5cfda6f2ba69 100644 --- a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml +++ b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml @@ -61,8 +61,8 @@ properties: port@1: $ref: /schemas/graph.yaml#/properties/port description: | - DPI input port. The remote endpoint phandle should be a - reference to a valid DPI output endpoint node + DPI input/output port. The remote endpoint phandle should be a + reference to a valid DPI output or input endpoint node. port@2: $ref: /schemas/graph.yaml#/properties/port From patchwork Thu Mar 31 15:19:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12797240 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 8487DC433EF for ; Thu, 31 Mar 2022 15:20:40 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6304B10EF2D; Thu, 31 Mar 2022 15:20:33 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5442310E37F for ; Thu, 31 Mar 2022 15:20:30 +0000 (UTC) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 3287B84209; Thu, 31 Mar 2022 17:20:28 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648740028; bh=XymdZgX3emEDbPcK4wVbbrzz9EvWDkqbUXRJyyvTkGQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IHglLxJm9FpK/NIYG8hJsSjtglDEzc32ZGB4szoSs5cDyLOGHi9SQcqJavjvsjbql teR9GPRqL94gbA3NuMS8xP0Kgr/ayeb43Exf+WZoyOVo1GHKEAf1s4m6pElR0EQDFK l93LA+PsTYTGdna/5+zYm/iBDbiDOhEKL8mL1mQXILuuqL/5lR8wy+grZucA8WkHN9 oQH4vCXS8pMKizDL+We+HB6rFJyRPax3OEoonwpGUpWlm60QMFGExRb1DqtmqyUaJJ KveL8VQKkFobnHhJA+5saeH3NhoYwnZLyuk3xH53gtThp2IgpzLLi/FKPf0sMpjh0j MObeEbIQKzx+Q== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 02/11] dt-bindings: display: bridge: tc358867: Document DSI data-lanes property Date: Thu, 31 Mar 2022 17:19:43 +0200 Message-Id: <20220331151952.13221-3-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220331151952.13221-1-marex@denx.de> References: <20220331151952.13221-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Maxime Ripard , Jonas Karlman , Neil Armstrong , robert.foss@linaro.org, devicetree@vger.kernel.org, Rob Herring , Laurent Pinchart , Sam Ravnborg Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" It is necessary to specify the number of connected/used DSI data lanes when using the DSI input port of this bridge. Document the 'data-lanes' property of the DSI input port. Reviewed-by: Rob Herring Acked-by: Lucas Stach Tested-by: Lucas Stach # In both DPI to eDP and DSI to DPI mode. Signed-off-by: Marek Vasut Cc: Jonas Karlman Cc: Laurent Pinchart Cc: Maxime Ripard Cc: Neil Armstrong Cc: Rob Herring Cc: Sam Ravnborg Cc: devicetree@vger.kernel.org To: dri-devel@lists.freedesktop.org --- V3: - New patch V4: - Add RB by Rob, AB/TB by Lucas V5: - No change V6: - No change --- .../display/bridge/toshiba,tc358767.yaml | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml index 5cfda6f2ba69..ed280053ec62 100644 --- a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml +++ b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358767.yaml @@ -53,11 +53,27 @@ properties: properties: port@0: - $ref: /schemas/graph.yaml#/properties/port + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false description: | DSI input port. The remote endpoint phandle should be a reference to a valid DSI output endpoint node + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + description: array of physical DSI data lane indexes. + minItems: 1 + items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + port@1: $ref: /schemas/graph.yaml#/properties/port description: | From patchwork Thu Mar 31 15:19:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12797246 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id E00EBC433EF for ; Thu, 31 Mar 2022 15:21:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9D2E510F3D8; Thu, 31 Mar 2022 15:21:08 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) by gabe.freedesktop.org (Postfix) with ESMTPS id 627C710F397 for ; Thu, 31 Mar 2022 15:20:36 +0000 (UTC) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id C264B8421F; Thu, 31 Mar 2022 17:20:28 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648740035; bh=OdiKzqPp9m8B2tkujqs7rlpxvgCCG2RMJ1gjK0bqgWg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rqCo5v+RzyZT4mIstRvKW3EJ42kYD58eFb0DKiu4xwvz+V+7WgtRytYONnr1YgGjF 9N/tfAItsBonjZLF7/bhjEcMJkk+bgxtT8pOLWeRiWW99j00eJr9B6+Euxm+U1pVsZ Q8QKB2yHeiG8qm3gk9KC/VX2L4e0sQtBsFOVxFhO0yGHVeyru/b8yFAZDk7ROOAKNI Ik8w8fnugE3pbM6SEovLeyfK/TbGvDHVDA810uLYReglj1VN2L0L0JrzsQtpRqJ5Mh CA841lSOtkw2nwRodKqYpGd3M9adfPPOXQCeoGRdvDSbxXSUekDH1pCdr4Pir6XqUc Jq3SLxAZzfMcw== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 03/11] drm/bridge: tc358767: Change tc_ prefix to tc_edp_ for (e)DP specific functions Date: Thu, 31 Mar 2022 17:19:44 +0200 Message-Id: <20220331151952.13221-4-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220331151952.13221-1-marex@denx.de> References: <20220331151952.13221-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Jonas Karlman , Neil Armstrong , robert.foss@linaro.org, Maxime Ripard , Sam Ravnborg , Laurent Pinchart Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" These functions are specific to (e)DP output initialization and operation, add specific tc_edp_ prefix to those functions to discern them from DPI output functions that will be added later in this series. No functional change. Reviewed-by: Lucas Stach Tested-by: Lucas Stach # In both DPI to eDP and DSI to DPI mode. Signed-off-by: Marek Vasut Cc: Jonas Karlman Cc: Laurent Pinchart Cc: Maxime Ripard Cc: Neil Armstrong Cc: Sam Ravnborg --- V2: - New patch V3: - Add RB from Lucas - Rename tc_bridge_funcs to tc_edp_bridge_funcs V4: - Add TB from Lucas V5: - No change V6: - No change --- drivers/gpu/drm/bridge/tc358767.c | 39 ++++++++++++++++--------------- 1 file changed, 20 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index c23e0abc65e8..23e0280f484d 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1164,7 +1164,7 @@ static int tc_main_link_disable(struct tc_data *tc) return regmap_write(tc->regmap, DP0CTL, 0); } -static int tc_stream_enable(struct tc_data *tc) +static int tc_edp_stream_enable(struct tc_data *tc) { int ret; u32 value; @@ -1219,7 +1219,7 @@ static int tc_stream_enable(struct tc_data *tc) return 0; } -static int tc_stream_disable(struct tc_data *tc) +static int tc_edp_stream_disable(struct tc_data *tc) { int ret; @@ -1234,7 +1234,7 @@ static int tc_stream_disable(struct tc_data *tc) return 0; } -static void tc_bridge_enable(struct drm_bridge *bridge) +static void tc_edp_bridge_enable(struct drm_bridge *bridge) { struct tc_data *tc = bridge_to_tc(bridge); int ret; @@ -1251,7 +1251,7 @@ static void tc_bridge_enable(struct drm_bridge *bridge) return; } - ret = tc_stream_enable(tc); + ret = tc_edp_stream_enable(tc); if (ret < 0) { dev_err(tc->dev, "main link stream start error: %d\n", ret); tc_main_link_disable(tc); @@ -1259,12 +1259,12 @@ static void tc_bridge_enable(struct drm_bridge *bridge) } } -static void tc_bridge_disable(struct drm_bridge *bridge) +static void tc_edp_bridge_disable(struct drm_bridge *bridge) { struct tc_data *tc = bridge_to_tc(bridge); int ret; - ret = tc_stream_disable(tc); + ret = tc_edp_stream_disable(tc); if (ret < 0) dev_err(tc->dev, "main link stream stop error: %d\n", ret); @@ -1285,9 +1285,10 @@ static bool tc_bridge_mode_fixup(struct drm_bridge *bridge, return true; } -static enum drm_mode_status tc_mode_valid(struct drm_bridge *bridge, - const struct drm_display_info *info, - const struct drm_display_mode *mode) +static enum drm_mode_status +tc_edp_mode_valid(struct drm_bridge *bridge, + const struct drm_display_info *info, + const struct drm_display_mode *mode) { struct tc_data *tc = bridge_to_tc(bridge); u32 req, avail; @@ -1395,8 +1396,8 @@ static const struct drm_connector_funcs tc_connector_funcs = { .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; -static int tc_bridge_attach(struct drm_bridge *bridge, - enum drm_bridge_attach_flags flags) +static int tc_edp_bridge_attach(struct drm_bridge *bridge, + enum drm_bridge_attach_flags flags) { u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24; struct tc_data *tc = bridge_to_tc(bridge); @@ -1448,18 +1449,18 @@ static int tc_bridge_attach(struct drm_bridge *bridge, return ret; } -static void tc_bridge_detach(struct drm_bridge *bridge) +static void tc_edp_bridge_detach(struct drm_bridge *bridge) { drm_dp_aux_unregister(&bridge_to_tc(bridge)->aux); } -static const struct drm_bridge_funcs tc_bridge_funcs = { - .attach = tc_bridge_attach, - .detach = tc_bridge_detach, - .mode_valid = tc_mode_valid, +static const struct drm_bridge_funcs tc_edp_bridge_funcs = { + .attach = tc_edp_bridge_attach, + .detach = tc_edp_bridge_detach, + .mode_valid = tc_edp_mode_valid, .mode_set = tc_bridge_mode_set, - .enable = tc_bridge_enable, - .disable = tc_bridge_disable, + .enable = tc_edp_bridge_enable, + .disable = tc_edp_bridge_disable, .mode_fixup = tc_bridge_mode_fixup, .detect = tc_bridge_detect, .get_edid = tc_get_edid, @@ -1696,7 +1697,7 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) tc->aux.transfer = tc_aux_transfer; drm_dp_aux_init(&tc->aux); - tc->bridge.funcs = &tc_bridge_funcs; + tc->bridge.funcs = &tc_edp_bridge_funcs; if (tc->hpd_pin >= 0) tc->bridge.ops |= DRM_BRIDGE_OP_DETECT; tc->bridge.ops |= DRM_BRIDGE_OP_EDID; From patchwork Thu Mar 31 15:19:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12797242 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id D3AD8C433EF for ; Thu, 31 Mar 2022 15:20:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 843EF10F3C2; Thu, 31 Mar 2022 15:20:51 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) by gabe.freedesktop.org (Postfix) with ESMTPS id B244710F398 for ; Thu, 31 Mar 2022 15:20:36 +0000 (UTC) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 20512841F3; Thu, 31 Mar 2022 17:20:35 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648740035; bh=gsRtND5MsNWeRV8ZoYZrNCtbta6YoPcYDgwT7c6pn54=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i2QRNvDfg0BeYl2WQ6Uu0HGAb2AChi+tKK47iM9WLKAGUL5HEoal9VXfYsWUoCeRM 3EeWHpwGnzzf4xW5wo1Me0FPWi74eHnVjwJ8u0UpZaI3Ki6qGB9iBEaJzLYZ6l/XBT zlxIBBhBSnWcRkwQbkXhZ5eamHjt1OBdIOh+GGoIS8eGJW3PzdbJ404u+xaAvlbndP QEnjO5VZqwfzWdxvieDOFNkZaTzXZ8HGCx5V/Vsdij7wrGTCKhAb9tiSz5rR5oPQGT Y4IyLT4cYwesV3GULS4LIy8N69hL7rTmx5Bb9lcFMAB8/b8IJzhtrzKBwb1MYPNFge ei2CZyCAE+/Ig== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 04/11] drm/bridge: tc358767: Convert to atomic ops Date: Thu, 31 Mar 2022 17:19:45 +0200 Message-Id: <20220331151952.13221-5-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220331151952.13221-1-marex@denx.de> References: <20220331151952.13221-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Jonas Karlman , Neil Armstrong , robert.foss@linaro.org, Maxime Ripard , Sam Ravnborg , Laurent Pinchart Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Use the atomic version of the enable/disable operations to continue the transition to the atomic API. This will be needed to access the mode from the atomic state. Reviewed-by: Lucas Stach Tested-by: Lucas Stach # In both DPI to eDP and DSI to DPI mode. Signed-off-by: Marek Vasut Cc: Jonas Karlman Cc: Laurent Pinchart Cc: Maxime Ripard Cc: Neil Armstrong Cc: Sam Ravnborg --- V2: - New patch V3: - Add RB from Lucas V4: - Add TB from Lucas V5: - No change V6: - No change --- drivers/gpu/drm/bridge/tc358767.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 23e0280f484d..f88d8e616f7f 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1234,7 +1234,9 @@ static int tc_edp_stream_disable(struct tc_data *tc) return 0; } -static void tc_edp_bridge_enable(struct drm_bridge *bridge) +static void +tc_edp_bridge_atomic_enable(struct drm_bridge *bridge, + struct drm_bridge_state *old_bridge_state) { struct tc_data *tc = bridge_to_tc(bridge); int ret; @@ -1259,7 +1261,9 @@ static void tc_edp_bridge_enable(struct drm_bridge *bridge) } } -static void tc_edp_bridge_disable(struct drm_bridge *bridge) +static void +tc_edp_bridge_atomic_disable(struct drm_bridge *bridge, + struct drm_bridge_state *old_bridge_state) { struct tc_data *tc = bridge_to_tc(bridge); int ret; @@ -1459,11 +1463,14 @@ static const struct drm_bridge_funcs tc_edp_bridge_funcs = { .detach = tc_edp_bridge_detach, .mode_valid = tc_edp_mode_valid, .mode_set = tc_bridge_mode_set, - .enable = tc_edp_bridge_enable, - .disable = tc_edp_bridge_disable, + .atomic_enable = tc_edp_bridge_atomic_enable, + .atomic_disable = tc_edp_bridge_atomic_disable, .mode_fixup = tc_bridge_mode_fixup, .detect = tc_bridge_detect, .get_edid = tc_get_edid, + .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, + .atomic_reset = drm_atomic_helper_bridge_reset, }; static bool tc_readable_reg(struct device *dev, unsigned int reg) From patchwork Thu Mar 31 15:19:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12797241 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A14A0C433F5 for ; Thu, 31 Mar 2022 15:20:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E57E510F397; Thu, 31 Mar 2022 15:20:50 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0A43410F3AC for ; Thu, 31 Mar 2022 15:20:37 +0000 (UTC) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 7F03D84217; Thu, 31 Mar 2022 17:20:35 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648740035; bh=awXL3I7O72PLmijs23RwXwYFEzpjTmbC3Ypb3WrtN/E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IZPjrXxUI3wkRHHHK4b9Ga7aNNMdnMduSsVohL/1drL5HIZp5odv1gQ99rDkBVmYr xwV6Jlzp4+JiggZvMkySN+BlskrSiqdE2HvN4g0b/rW/kEHPVqkUlBU9rJC2tRwuyP hEvRtmK2aD0NU7sFjgaSTNszy07n86ABHluX83L67VVI0pFiAUwvaCJEYDEk2QIRgu 3mfi2ITzQUL3OBGrHWrJdOn+lgZ6CPkPmWQbqA8979LYdLpomA9QPSvcvjuUDXAUsQ lY+QZR8odN8l775jeC2gxI5Q21ZZ4T6A4kXe1qRVsZan/1ncwjtvEuaPHpmVWw/hwY r6iMq9ZPuFUsg== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 05/11] drm/bridge: tc358767: Implement atomic_check callback Date: Thu, 31 Mar 2022 17:19:46 +0200 Message-Id: <20220331151952.13221-6-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220331151952.13221-1-marex@denx.de> References: <20220331151952.13221-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Jonas Karlman , Neil Armstrong , robert.foss@linaro.org, Maxime Ripard , Sam Ravnborg , Laurent Pinchart Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Implement .atomic_check callback which prevents user space from setting unsupported mode. The tc_edp_common_atomic_check() variant is already prepared for DSI-to-DPI mode addition, which has different frequency limits. Reviewed-by: Lucas Stach Tested-by: Lucas Stach # In both DPI to eDP and DSI to DPI mode. Signed-off-by: Marek Vasut Cc: Jonas Karlman Cc: Laurent Pinchart Cc: Maxime Ripard Cc: Neil Armstrong Cc: Sam Ravnborg --- V2: - New patch V3: - Drop edp from tc_edp_common_atomic_check, s@\@tc_common_atomic_check@g - Return -EINVAL in case clock frequency is too high V4: - Add RB/TB by Lucas V5: - No change V6: - No change --- drivers/gpu/drm/bridge/tc358767.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index f88d8e616f7f..e95153d9c149 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1289,6 +1289,31 @@ static bool tc_bridge_mode_fixup(struct drm_bridge *bridge, return true; } +static int tc_common_atomic_check(struct drm_bridge *bridge, + struct drm_bridge_state *bridge_state, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state, + const unsigned int max_khz) +{ + tc_bridge_mode_fixup(bridge, &crtc_state->mode, + &crtc_state->adjusted_mode); + + if (crtc_state->adjusted_mode.clock > max_khz) + return -EINVAL; + + return 0; +} + +static int tc_edp_atomic_check(struct drm_bridge *bridge, + struct drm_bridge_state *bridge_state, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + /* DPI->(e)DP interface clock limitation: upto 154 MHz */ + return tc_common_atomic_check(bridge, bridge_state, crtc_state, + conn_state, 154000); +} + static enum drm_mode_status tc_edp_mode_valid(struct drm_bridge *bridge, const struct drm_display_info *info, @@ -1463,6 +1488,7 @@ static const struct drm_bridge_funcs tc_edp_bridge_funcs = { .detach = tc_edp_bridge_detach, .mode_valid = tc_edp_mode_valid, .mode_set = tc_bridge_mode_set, + .atomic_check = tc_edp_atomic_check, .atomic_enable = tc_edp_bridge_atomic_enable, .atomic_disable = tc_edp_bridge_atomic_disable, .mode_fixup = tc_bridge_mode_fixup, From patchwork Thu Mar 31 15:19:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12797249 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 9F877C433F5 for ; Thu, 31 Mar 2022 15:21:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C449D10F3E3; Thu, 31 Mar 2022 15:21:22 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6813710F397 for ; Thu, 31 Mar 2022 15:20:37 +0000 (UTC) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id D468884235; Thu, 31 Mar 2022 17:20:35 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648740036; bh=yj9NRJFNBNGJOtwQTl6YELsxRxBA9+LukN8cqT46n6I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j1C8X/xhUb0gqi0fKg4KXpgbJ9SOxra+WY15yzVX1VzzNJQgNr22/pKuI7dvvah6E gJ6itpfxi9LgMEI5D1hvsO3KqhNi5heUbJC+kJLvkSqF4UQHXyLMsrlX6kJ/Ex7IMb uVQRT+M44mk5yFVgLJeuB6MdiPiAybCdHOQj171RBDQs/kn3vIhQxS9uxuTOk/kYZB bGetHPyX3ogotyxofQp2iU7FLVv3u6+OncSAlWJYSqImNI+ZTN2hb30vL5QUfi8+of WxAfHFxwFKxYIoxjd51dq3jrjrjaaGli1JIl+qALV2sorhkoB+MHw8d3lBzy8IkzF2 q+6jNXqUdNB/g== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 06/11] drm/bridge: tc358767: Move (e)DP bridge endpoint parsing into dedicated function Date: Thu, 31 Mar 2022 17:19:47 +0200 Message-Id: <20220331151952.13221-7-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220331151952.13221-1-marex@denx.de> References: <20220331151952.13221-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Jonas Karlman , Neil Armstrong , robert.foss@linaro.org, Maxime Ripard , Sam Ravnborg , Laurent Pinchart Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The TC358767/TC358867/TC9595 are all capable of operating in multiple modes, DPI-to-(e)DP, DSI-to-(e)DP, DSI-to-DPI. Only the first mode is currently supported. In order to support the rest of the modes without making the tc_probe() overly long, split the bridge endpoint parsing into dedicated function, where the necessary logic to detect the bridge mode based on which endpoints are connected, can be implemented. Reviewed-by: Lucas Stach Tested-by: Lucas Stach # In both DPI to eDP and DSI to DPI mode. Signed-off-by: Marek Vasut Cc: Jonas Karlman Cc: Laurent Pinchart Cc: Maxime Ripard Cc: Neil Armstrong Cc: Sam Ravnborg --- V2: - Rename tc_probe_bridge_mode() to tc_probe_edp_bridge_endpoint() to better reflect that it parses the (e)DP output endpoint V3: - Add RB from Lucas V4: - Add TB from Lucas V5: - No change V6: - No change --- drivers/gpu/drm/bridge/tc358767.c | 30 +++++++++++++++++++++--------- 1 file changed, 21 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index e95153d9c149..0f24156543ba 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1583,19 +1583,12 @@ static irqreturn_t tc_irq_handler(int irq, void *arg) return IRQ_HANDLED; } -static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) +static int tc_probe_edp_bridge_endpoint(struct tc_data *tc) { - struct device *dev = &client->dev; + struct device *dev = tc->dev; struct drm_panel *panel; - struct tc_data *tc; int ret; - tc = devm_kzalloc(dev, sizeof(*tc), GFP_KERNEL); - if (!tc) - return -ENOMEM; - - tc->dev = dev; - /* port@2 is the output port */ ret = drm_of_find_panel_or_bridge(dev->of_node, 2, 0, &panel, NULL); if (ret && ret != -ENODEV) @@ -1614,6 +1607,25 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) tc->bridge.type = DRM_MODE_CONNECTOR_DisplayPort; } + return ret; +} + +static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct tc_data *tc; + int ret; + + tc = devm_kzalloc(dev, sizeof(*tc), GFP_KERNEL); + if (!tc) + return -ENOMEM; + + tc->dev = dev; + + ret = tc_probe_edp_bridge_endpoint(tc); + if (ret) + return ret; + /* Shut down GPIO is optional */ tc->sd_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH); if (IS_ERR(tc->sd_gpio)) From patchwork Thu Mar 31 15:19:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12797248 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 92A7DC433EF for ; Thu, 31 Mar 2022 15:21:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 783BB10F3E6; Thu, 31 Mar 2022 15:21:22 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) by gabe.freedesktop.org (Postfix) with ESMTPS id C0FA110F397 for ; Thu, 31 Mar 2022 15:20:42 +0000 (UTC) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 3859684237; Thu, 31 Mar 2022 17:20:36 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648740041; bh=4YU0kSP+j6/O52H5Ddms+/4ceoqvkoN2k7R1D53Fg3E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tAGKqedDf1jRP6dsmpGPp+pbdYgeo3Y4oL8BL/7nvPlIk9kYBgKtfXiQuLEsaX8q2 dnI3cLKJGxT/cuQvADeqWuAE3Sdl2si1LtdAeESGtIIXRRm2+7Uv0O13piXqdS56ZK SEUBGZtN/Ku7Bqjxya3pp75O4xarcYPeFwtxftzFpBMmS02UK+bU1e/X+YGP7Rxy97 lKmugOpcXF3K8l6qcye7Y4h+FV+tbhCnAD3tDHL1B5Z5Cm+sC/DJtIYq9q8hHarbWI gvZtVVWeYZz30U+mANi7A0ofhRM24lzOKMxmfN9HnRVUa9FZW7dY99KZs9nTDjn/C0 hvK/FDwoSTgiA== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 07/11] drm/bridge: tc358767: Wrap (e)DP aux I2C registration into tc_aux_link_setup() Date: Thu, 31 Mar 2022 17:19:48 +0200 Message-Id: <20220331151952.13221-8-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220331151952.13221-1-marex@denx.de> References: <20220331151952.13221-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Jonas Karlman , Neil Armstrong , robert.foss@linaro.org, Maxime Ripard , Sam Ravnborg , Laurent Pinchart Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This bit of code is (e)DP and aux I2C link specific, move it into tc_aux_link_setup() to permit cleaner addition of DSI-to-DPI mode. No functional change. Reviewed-by: Lucas Stach Tested-by: Lucas Stach # In both DPI to eDP and DSI to DPI mode. Signed-off-by: Marek Vasut Cc: Jonas Karlman Cc: Laurent Pinchart Cc: Maxime Ripard Cc: Neil Armstrong Cc: Sam Ravnborg --- V2: - New patch V3: - Add RB from Lucas V4: - Add TB from Lucas V5: - No change V6: - No change --- drivers/gpu/drm/bridge/tc358767.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 0f24156543ba..8a8b495aa0ad 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -656,6 +656,12 @@ static int tc_aux_link_setup(struct tc_data *tc) if (ret) goto err; + /* Register DP AUX channel */ + tc->aux.name = "TC358767 AUX i2c adapter"; + tc->aux.dev = tc->dev; + tc->aux.transfer = tc_aux_transfer; + drm_dp_aux_init(&tc->aux); + return 0; err: dev_err(tc->dev, "tc_aux_link_setup failed: %d\n", ret); @@ -1736,12 +1742,6 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) if (ret) return ret; - /* Register DP AUX channel */ - tc->aux.name = "TC358767 AUX i2c adapter"; - tc->aux.dev = tc->dev; - tc->aux.transfer = tc_aux_transfer; - drm_dp_aux_init(&tc->aux); - tc->bridge.funcs = &tc_edp_bridge_funcs; if (tc->hpd_pin >= 0) tc->bridge.ops |= DRM_BRIDGE_OP_DETECT; From patchwork Thu Mar 31 15:19:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12797245 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id DDBEAC433EF for ; Thu, 31 Mar 2022 15:21:08 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0839610F3AC; Thu, 31 Mar 2022 15:21:08 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) by gabe.freedesktop.org (Postfix) with ESMTPS id 450FA10F397 for ; Thu, 31 Mar 2022 15:20:43 +0000 (UTC) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 9878184217; Thu, 31 Mar 2022 17:20:41 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648740041; bh=oDiZrPKc407V19YyY9IHD9ryLgp1qqSxDm2GfnPIUT8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lFG+0rcHYeJKLwC0quiPhlyEW3R7KGBVueFHi5kYKZGV6hk3R8YQhD0fgquDMtPPA PWCvuU3uWwpOtLwS/VyD5todbZerhZqnSNT85LMoGLWz5l/6cvGxDbSiv3/w62oGAL v4+6LuMu9T/FwSh9FyQ9oJLZfQmujl/w36jastwxLhn2nDmr4sc6V7mM65BC1oK7Vf jGbFCBHHWVZqG0VdxKFFcgzXC0OsaK9XW6MBlBXebKlfWxgwx+fCdvAIUwKUvssY2l gKMaWUjO/pMf7jV4oGrhT+KPAnddE4J9/h8EWG1fiCqNSmiH54n2F8my5/2KWzdBQV b/+E22BgGiy7w== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 08/11] drm/bridge: tc358767: Move bridge ops setup into tc_probe_edp_bridge_endpoint() Date: Thu, 31 Mar 2022 17:19:49 +0200 Message-Id: <20220331151952.13221-9-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220331151952.13221-1-marex@denx.de> References: <20220331151952.13221-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Jonas Karlman , Neil Armstrong , robert.foss@linaro.org, Maxime Ripard , Sam Ravnborg , Laurent Pinchart Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The bridge ops are specific to the bridge configuration, move them into tc_probe_edp_bridge_endpoint() to permit cleaner addition of DSI-to-DPI mode. No functional change. Reviewed-by: Lucas Stach Tested-by: Lucas Stach # In both DPI to eDP and DSI to DPI mode. Signed-off-by: Marek Vasut Cc: Jonas Karlman Cc: Laurent Pinchart Cc: Maxime Ripard Cc: Neil Armstrong Cc: Sam Ravnborg --- V2: - New patch V3: - No change V4: - Add RB/TB from Lucas V5: - No change V6: - No change --- drivers/gpu/drm/bridge/tc358767.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 8a8b495aa0ad..8c468f77618d 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1613,6 +1613,11 @@ static int tc_probe_edp_bridge_endpoint(struct tc_data *tc) tc->bridge.type = DRM_MODE_CONNECTOR_DisplayPort; } + tc->bridge.funcs = &tc_edp_bridge_funcs; + if (tc->hpd_pin >= 0) + tc->bridge.ops |= DRM_BRIDGE_OP_DETECT; + tc->bridge.ops |= DRM_BRIDGE_OP_EDID; + return ret; } @@ -1742,11 +1747,6 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) if (ret) return ret; - tc->bridge.funcs = &tc_edp_bridge_funcs; - if (tc->hpd_pin >= 0) - tc->bridge.ops |= DRM_BRIDGE_OP_DETECT; - tc->bridge.ops |= DRM_BRIDGE_OP_EDID; - tc->bridge.of_node = dev->of_node; drm_bridge_add(&tc->bridge); From patchwork Thu Mar 31 15:19:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12797244 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 42905C433FE for ; Thu, 31 Mar 2022 15:20:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D911E10F3CF; Thu, 31 Mar 2022 15:20:51 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) by gabe.freedesktop.org (Postfix) with ESMTPS id A71ED10F397 for ; Thu, 31 Mar 2022 15:20:43 +0000 (UTC) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 08E92841F3; Thu, 31 Mar 2022 17:20:42 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648740042; bh=V3TN3Ues3mM6tHWyS0JVp0eLOWtPmyB6/Lr4TYKHo10=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pHkIMWKrPB8UWLyZWKGsC81oNWFO906lVSrgzxvHjvgKqQBFFMldK2duqlkLWMWMc 6QDG7r4hVx7Z4HVvFsV1P8BGB0KmVxzJgBCPZMj1n/2LKTHnzqBiLeHxsj5xkSc7Jg TKq8HYZJd74NEOS0fgYFdjtg6Toam23NeKHQOUYafcHt3daSRnSY0GFL/PT5vcNar3 1WlB1dVziEMQZjmq+E4e9pINEi/gbfLygRq/AEfL9lO7kFAf6b8AdtnybaTu6L085D lRzQTTCuY+x9xbKuG7q/Mb7aXyW4fN+lOSmokfLku4TSUVoGlFualedhhicMwqENB7 nfQEhxmBWDRrQ== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 09/11] drm/bridge: tc358767: Detect bridge mode from connected endpoints in DT Date: Thu, 31 Mar 2022 17:19:50 +0200 Message-Id: <20220331151952.13221-10-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220331151952.13221-1-marex@denx.de> References: <20220331151952.13221-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Jonas Karlman , Neil Armstrong , robert.foss@linaro.org, Maxime Ripard , Sam Ravnborg , Laurent Pinchart Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The TC358767/TC358867/TC9595 are all capable of operating in multiple modes, DPI-to-(e)DP, DSI-to-(e)DP, DSI-to-DPI. Only the first mode is currently supported. It is possible to find out the mode in which the bridge should be operated by testing connected endpoints in DT. Port allocation: port@0 - DSI input port@1 - DPI input/output port@2 - eDP output Possible connections: DPI -> port@1 -> port@2 -> eDP :: [port@0 is not connected] DSI -> port@0 -> port@2 -> eDP :: [port@1 is not connected] DSI -> port@0 -> port@1 -> DPI :: [port@2 is not connected] Add function to determine the bridge mode based on connected endpoints. Reviewed-by: Lucas Stach Tested-by: Lucas Stach # In both DPI to eDP and DSI to DPI mode. Signed-off-by: Marek Vasut Cc: Jonas Karlman Cc: Laurent Pinchart Cc: Maxime Ripard Cc: Neil Armstrong Cc: Sam Ravnborg --- V2: - New patch V3: - Add RB from Lucas V4: - Add TB from Lucas V5: - No change V6: - No change --- drivers/gpu/drm/bridge/tc358767.c | 46 ++++++++++++++++++++++++++++++- 1 file changed, 45 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 8c468f77618d..dd324cf16e4d 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1621,6 +1621,50 @@ static int tc_probe_edp_bridge_endpoint(struct tc_data *tc) return ret; } +static int tc_probe_bridge_endpoint(struct tc_data *tc) +{ + struct device *dev = tc->dev; + struct of_endpoint endpoint; + struct device_node *node = NULL; + const u8 mode_dpi_to_edp = BIT(1) | BIT(2); + const u8 mode_dsi_to_edp = BIT(0) | BIT(2); + const u8 mode_dsi_to_dpi = BIT(0) | BIT(1); + u8 mode = 0; + + /* + * Determine bridge configuration. + * + * Port allocation: + * port@0 - DSI input + * port@1 - DPI input/output + * port@2 - eDP output + * + * Possible connections: + * DPI -> port@1 -> port@2 -> eDP :: [port@0 is not connected] + * DSI -> port@0 -> port@2 -> eDP :: [port@1 is not connected] + * DSI -> port@0 -> port@1 -> DPI :: [port@2 is not connected] + */ + + for_each_endpoint_of_node(dev->of_node, node) { + of_graph_parse_endpoint(node, &endpoint); + if (endpoint.port > 2) + return -EINVAL; + + mode |= BIT(endpoint.port); + } + + if (mode == mode_dpi_to_edp) + return tc_probe_edp_bridge_endpoint(tc); + else if (mode == mode_dsi_to_dpi) + dev_warn(dev, "The mode DSI-to-DPI is not supported!\n"); + else if (mode == mode_dsi_to_edp) + dev_warn(dev, "The mode DSI-to-(e)DP is not supported!\n"); + else + dev_warn(dev, "Invalid mode (0x%x) is not supported!\n", mode); + + return -EINVAL; +} + static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; @@ -1633,7 +1677,7 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) tc->dev = dev; - ret = tc_probe_edp_bridge_endpoint(tc); + ret = tc_probe_bridge_endpoint(tc); if (ret) return ret; From patchwork Thu Mar 31 15:19:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12797247 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B68F4C433F5 for ; Thu, 31 Mar 2022 15:21:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9F2B010F3D9; Thu, 31 Mar 2022 15:21:08 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2240410F397 for ; Thu, 31 Mar 2022 15:20:49 +0000 (UTC) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 7B49684209; Thu, 31 Mar 2022 17:20:42 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648740047; bh=FSZxdsb73yhAhF3lryFksqBbPQPVU//UUFLqkTARJAk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XX6oxNc0QoDUqudSsZLpudE+65+NS5LNBl/3i3uZoUmFWPqzpY5ZbEyLEcKSJXwoe UQDIw2wxbU2U2Cfm43gLkc9/N+QVziP2mo9bWYauqPcTB7SCZRKPxJwB4Ulsb/WeDX jIB4Hf7SexTEFy2Y7rEirxY536sAeKeJ1zYePtgIDWrE8qqKyrMDkM0e5BS3VbV1bG W4rHI+22JcKrq8n0d1HZbHRa4DLAS71+leoRyGfv52tNjSE9vA/d2O2GyKfK+OXs2G wuvJLVrsmzchnnI7vnVLgC/jsiC98N1FSeGJG96ct/y/mTv2x6Wa71no/Pk92IJste R9g0hZ3LTq30g== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 10/11] drm/bridge: tc358767: Split tc_set_video_mode() into common and (e)DP part Date: Thu, 31 Mar 2022 17:19:51 +0200 Message-Id: <20220331151952.13221-11-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220331151952.13221-1-marex@denx.de> References: <20220331151952.13221-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Jonas Karlman , Neil Armstrong , robert.foss@linaro.org, Maxime Ripard , Sam Ravnborg , Laurent Pinchart Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The tc_set_video_mode() sets up both common and (e)DP video mode settings of the bridge chip. Split the function into tc_set_common_video_mode() to set the common settings and tc_set_edp_video_mode() to set the (e)DP specific settings. No functional change. Reviewed-by: Lucas Stach Tested-by: Lucas Stach # In both DPI to eDP and DSI to DPI mode. Signed-off-by: Marek Vasut Cc: Jonas Karlman Cc: Laurent Pinchart Cc: Maxime Ripard Cc: Neil Armstrong Cc: Sam Ravnborg --- V2: - New patch V3: - Add RB from Lucas V4: - Add TB from Lucas V5: Drop unused variables from tc_set_common_video_mode() V6: - No change --- drivers/gpu/drm/bridge/tc358767.c | 65 ++++++++++++++++++------------- 1 file changed, 38 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index dd324cf16e4d..02f9cea738d2 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -734,33 +734,16 @@ static int tc_get_display_props(struct tc_data *tc) return ret; } -static int tc_set_video_mode(struct tc_data *tc, - const struct drm_display_mode *mode) +static int tc_set_common_video_mode(struct tc_data *tc, + const struct drm_display_mode *mode) { - int ret; - int vid_sync_dly; - int max_tu_symbol; - int left_margin = mode->htotal - mode->hsync_end; int right_margin = mode->hsync_start - mode->hdisplay; int hsync_len = mode->hsync_end - mode->hsync_start; int upper_margin = mode->vtotal - mode->vsync_end; int lower_margin = mode->vsync_start - mode->vdisplay; int vsync_len = mode->vsync_end - mode->vsync_start; - u32 dp0_syncval; - u32 bits_per_pixel = 24; - u32 in_bw, out_bw; - - /* - * Recommended maximum number of symbols transferred in a transfer unit: - * DIV_ROUND_UP((input active video bandwidth in bytes) * tu_size, - * (output active video bandwidth in bytes)) - * Must be less than tu_size. - */ - - in_bw = mode->clock * bits_per_pixel / 8; - out_bw = tc->link.num_lanes * tc->link.rate; - max_tu_symbol = DIV_ROUND_UP(in_bw * TU_SIZE_RECOMMENDED, out_bw); + int ret; dev_dbg(tc->dev, "set mode %dx%d\n", mode->hdisplay, mode->vdisplay); @@ -818,8 +801,35 @@ static int tc_set_video_mode(struct tc_data *tc, FIELD_PREP(COLOR_B, 99) | ENI2CFILTER | FIELD_PREP(COLOR_BAR_MODE, COLOR_BAR_MODE_BARS)); - if (ret) - return ret; + + return ret; +} + +static int tc_set_edp_video_mode(struct tc_data *tc, + const struct drm_display_mode *mode) +{ + int ret; + int vid_sync_dly; + int max_tu_symbol; + + int left_margin = mode->htotal - mode->hsync_end; + int hsync_len = mode->hsync_end - mode->hsync_start; + int upper_margin = mode->vtotal - mode->vsync_end; + int vsync_len = mode->vsync_end - mode->vsync_start; + u32 dp0_syncval; + u32 bits_per_pixel = 24; + u32 in_bw, out_bw; + + /* + * Recommended maximum number of symbols transferred in a transfer unit: + * DIV_ROUND_UP((input active video bandwidth in bytes) * tu_size, + * (output active video bandwidth in bytes)) + * Must be less than tu_size. + */ + + in_bw = mode->clock * bits_per_pixel / 8; + out_bw = tc->link.num_lanes * tc->link.rate; + max_tu_symbol = DIV_ROUND_UP(in_bw * TU_SIZE_RECOMMENDED, out_bw); /* DP Main Stream Attributes */ vid_sync_dly = hsync_len + left_margin + mode->hdisplay; @@ -869,10 +879,7 @@ static int tc_set_video_mode(struct tc_data *tc, FIELD_PREP(MAX_TU_SYMBOL, max_tu_symbol) | FIELD_PREP(TU_SIZE, TU_SIZE_RECOMMENDED) | BPC_8); - if (ret) - return ret; - - return 0; + return ret; } static int tc_wait_link_training(struct tc_data *tc) @@ -1185,7 +1192,11 @@ static int tc_edp_stream_enable(struct tc_data *tc) return ret; } - ret = tc_set_video_mode(tc, &tc->mode); + ret = tc_set_common_video_mode(tc, &tc->mode); + if (ret) + return ret; + + ret = tc_set_edp_video_mode(tc, &tc->mode); if (ret) return ret; From patchwork Thu Mar 31 15:19:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12797243 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 7902AC433F5 for ; Thu, 31 Mar 2022 15:20:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 617C810F398; Thu, 31 Mar 2022 15:20:51 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9408410F398 for ; Thu, 31 Mar 2022 15:20:49 +0000 (UTC) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id E83AB84217; Thu, 31 Mar 2022 17:20:47 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648740048; bh=uH8m/vL2LjUDqM/XtiOxCKkb/lNVDggaK2wlD318zCc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lg3QDd+Rj5eXVjZR6714RYh8cshan8/tM39HgJXz3b+o56KRx2pDB3g6As4Lpa6Kb jujBv6+J+Y5ZQYSF3VMgxt/juNIelxconf/5h2Hs2bNzItRPuF0VctJjt2MifIKf3M KcbIwuds3gVzjFo/ZO8wNksKOFUNDq1xyj4+8VfZES0FDQ74HXvADXUPDlRySsxSQN t4O6vxidY0UEw0pexyUYgC5PnJzZKZ3G0MH9MbIleuwkSGGR+9nkNqj32zYu0WilvN ZKCe9wGvBGE7cwZXgAvmZWXTSCx2gfIj8c4+eyPohBLMQnPRzRt8I6/JchSsd7dFZw XrwbB4oo/D7Dw== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 11/11] drm/bridge: tc358767: Add DSI-to-DPI mode support Date: Thu, 31 Mar 2022 17:19:52 +0200 Message-Id: <20220331151952.13221-12-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220331151952.13221-1-marex@denx.de> References: <20220331151952.13221-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , Jonas Karlman , Neil Armstrong , robert.foss@linaro.org, Maxime Ripard , Sam Ravnborg , Laurent Pinchart Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The TC358767/TC358867/TC9595 are all capable of operating in multiple modes, DPI-to-(e)DP, DSI-to-(e)DP, DSI-to-DPI. Add support for the DSI-to-DPI mode. This requires skipping most of the (e)DP initialization code, which is currently a large part of this driver, hence it is better to have far simpler separate tc_dpi_bridge_funcs and their implementation. The configuration of DPI output is also much simpler. The configuration of the DSI input is rather similar to the other TC bridge chips. The Pixel PLL in DPI output mode does not have the 65..150 MHz limitation imposed on the (e)DP output mode, so this limitation is skipped to permit operating panels with far slower pixel clock, even below 9 MHz. This mode of operation of the PLL is valid and tested. The detection of bridge mode is now added into tc_probe_bridge_mode(), where in case a DPI panel is found on port@1 endpoint@1, the mode is assumed to be DSI-to-DPI. If (e)DP is detected on port@2, the mode is assumed to be DPI-to-(e)DP. The DSI-to-(e)DP mode is not supported due to lack of proper hardware, but this would be some sort of mix between the two aforementioned modes. Reviewed-by: Lucas Stach Tested-by: Lucas Stach # in DSI to DPI mode Signed-off-by: Marek Vasut Cc: Jonas Karlman Cc: Laurent Pinchart Cc: Maxime Ripard Cc: Neil Armstrong Cc: Sam Ravnborg --- V2: - Rebase on next-20220217 and new patches in this series V3: - Drop edp from tc_edp_common_atomic_check, s@\@tc_common_atomic_check@g - Limit Pixel PLL output to 0-100 MHz for DPI and 150-650 MHz for eDP - Drop VID_EN write from tc_dpi_stream_disable() - Reduce PLL stabilization delay to 120..150us in tc_dpi_stream_enable() - Call drm_bridge_remove() in case tc_mipi_dsi_host_attach() fails - Check of_property_count_u32_elems() return code as int instead of u8 - Enable DP0/DP1 PLL for DSI-to-DPI mode too, they clock the internal framebuffer and it is too slow if those PLLs are in bypass V4: - Rebase on top of dropped drm/bridge: tc358767: Move hardware init to enable callback - Use -1 in of_graph_get_endpoint_by_regs(.., .., -1) third param - Select DRM_MIPI_DSI - Add RB from Lucas V5: - No change V6: - Fix checkpatch strict CHECK: Unnecessary parentheses around 'clk < clk_min' - Fix checkpatch strict CHECK: Alignment should match open parenthesis - Add DSI-to-DPI mode TB from Lucas --- drivers/gpu/drm/bridge/Kconfig | 1 + drivers/gpu/drm/bridge/tc358767.c | 358 +++++++++++++++++++++++++++++- 2 files changed, 348 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index ee7610c2c1a4..a2e8a0fb13ea 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -293,6 +293,7 @@ config DRM_TOSHIBA_TC358767 select DRM_DP_HELPER select DRM_KMS_HELPER select REGMAP_I2C + select DRM_MIPI_DSI select DRM_PANEL help Toshiba TC358767 eDP bridge chip driver. diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 02f9cea738d2..a1c5b7b2f37a 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1,6 +1,12 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * tc358767 eDP bridge driver + * TC358767/TC358867/TC9595 DSI/DPI-to-DPI/(e)DP bridge driver + * + * The TC358767/TC358867/TC9595 can operate in multiple modes. + * The following modes are supported: + * DPI->(e)DP -- supported + * DSI->DPI .... supported + * DSI->(e)DP .. NOT supported * * Copyright (C) 2016 CogentEmbedded Inc * Author: Andrey Gusakov @@ -29,6 +35,7 @@ #include #include #include +#include #include #include #include @@ -36,7 +43,35 @@ /* Registers */ -/* Display Parallel Interface */ +/* PPI layer registers */ +#define PPI_STARTPPI 0x0104 /* START control bit */ +#define PPI_LPTXTIMECNT 0x0114 /* LPTX timing signal */ +#define LPX_PERIOD 3 +#define PPI_LANEENABLE 0x0134 +#define PPI_TX_RX_TA 0x013c +#define TTA_GET 0x40000 +#define TTA_SURE 6 +#define PPI_D0S_ATMR 0x0144 +#define PPI_D1S_ATMR 0x0148 +#define PPI_D0S_CLRSIPOCOUNT 0x0164 /* Assertion timer for Lane 0 */ +#define PPI_D1S_CLRSIPOCOUNT 0x0168 /* Assertion timer for Lane 1 */ +#define PPI_D2S_CLRSIPOCOUNT 0x016c /* Assertion timer for Lane 2 */ +#define PPI_D3S_CLRSIPOCOUNT 0x0170 /* Assertion timer for Lane 3 */ +#define PPI_START_FUNCTION BIT(0) + +/* DSI layer registers */ +#define DSI_STARTDSI 0x0204 /* START control bit of DSI-TX */ +#define DSI_LANEENABLE 0x0210 /* Enables each lane */ +#define DSI_RX_START BIT(0) + +/* Lane enable PPI and DSI register bits */ +#define LANEENABLE_CLEN BIT(0) +#define LANEENABLE_L0EN BIT(1) +#define LANEENABLE_L1EN BIT(2) +#define LANEENABLE_L2EN BIT(1) +#define LANEENABLE_L3EN BIT(2) + +/* Display Parallel Input Interface */ #define DPIPXLFMT 0x0440 #define VS_POL_ACTIVE_LOW (1 << 10) #define HS_POL_ACTIVE_LOW (1 << 9) @@ -48,6 +83,14 @@ #define DPI_BPP_RGB666 (1 << 0) #define DPI_BPP_RGB565 (2 << 0) +/* Display Parallel Output Interface */ +#define POCTRL 0x0448 +#define POCTRL_S2P BIT(7) +#define POCTRL_PCLK_POL BIT(3) +#define POCTRL_VS_POL BIT(2) +#define POCTRL_HS_POL BIT(1) +#define POCTRL_DE_POL BIT(0) + /* Video Path */ #define VPCTRL0 0x0450 #define VSDELAY GENMASK(31, 20) @@ -247,6 +290,9 @@ struct tc_data { struct drm_bridge *panel_bridge; struct drm_connector connector; + struct mipi_dsi_device *dsi; + u8 dsi_lanes; + /* link settings */ struct tc_edp_link link; @@ -469,10 +515,24 @@ static int tc_pxl_pll_en(struct tc_data *tc, u32 refclk, u32 pixelclock) int mul, best_mul = 1; int delta, best_delta; int ext_div[] = {1, 2, 3, 5, 7}; + int clk_min, clk_max; int best_pixelclock = 0; int vco_hi = 0; u32 pxl_pllparam; + /* + * refclk * mul / (ext_pre_div * pre_div) should be in range: + * - DPI ..... 0 to 100 MHz + * - (e)DP ... 150 to 650 MHz + */ + if (tc->bridge.type == DRM_MODE_CONNECTOR_DPI) { + clk_min = 0; + clk_max = 100000000; + } else { + clk_min = 150000000; + clk_max = 650000000; + } + dev_dbg(tc->dev, "PLL: requested %d pixelclock, ref %d\n", pixelclock, refclk); best_delta = pixelclock; @@ -499,11 +559,7 @@ static int tc_pxl_pll_en(struct tc_data *tc, u32 refclk, u32 pixelclock) continue; clk = (refclk / ext_div[i_pre] / div) * mul; - /* - * refclk * mul / (ext_pre_div * pre_div) - * should be in the 150 to 650 MHz range - */ - if ((clk > 650000000) || (clk < 150000000)) + if (clk > clk_max || clk < clk_min) continue; clk = clk / ext_div[i_post]; @@ -805,6 +861,20 @@ static int tc_set_common_video_mode(struct tc_data *tc, return ret; } +static int tc_set_dpi_video_mode(struct tc_data *tc, + const struct drm_display_mode *mode) +{ + u32 value = POCTRL_S2P; + + if (tc->mode.flags & DRM_MODE_FLAG_NHSYNC) + value |= POCTRL_HS_POL; + + if (tc->mode.flags & DRM_MODE_FLAG_NVSYNC) + value |= POCTRL_VS_POL; + + return regmap_write(tc->regmap, POCTRL, value); +} + static int tc_set_edp_video_mode(struct tc_data *tc, const struct drm_display_mode *mode) { @@ -1177,6 +1247,85 @@ static int tc_main_link_disable(struct tc_data *tc) return regmap_write(tc->regmap, DP0CTL, 0); } +static int tc_dpi_stream_enable(struct tc_data *tc) +{ + int ret; + u32 value; + + dev_dbg(tc->dev, "enable video stream\n"); + + /* Setup PLL */ + ret = tc_set_syspllparam(tc); + if (ret) + return ret; + + /* + * Initially PLLs are in bypass. Force PLL parameter update, + * disable PLL bypass, enable PLL + */ + ret = tc_pllupdate(tc, DP0_PLLCTRL); + if (ret) + return ret; + + ret = tc_pllupdate(tc, DP1_PLLCTRL); + if (ret) + return ret; + + /* Pixel PLL must always be enabled for DPI mode */ + ret = tc_pxl_pll_en(tc, clk_get_rate(tc->refclk), + 1000 * tc->mode.clock); + if (ret) + return ret; + + regmap_write(tc->regmap, PPI_D0S_CLRSIPOCOUNT, 3); + regmap_write(tc->regmap, PPI_D1S_CLRSIPOCOUNT, 3); + regmap_write(tc->regmap, PPI_D2S_CLRSIPOCOUNT, 3); + regmap_write(tc->regmap, PPI_D3S_CLRSIPOCOUNT, 3); + regmap_write(tc->regmap, PPI_D0S_ATMR, 0); + regmap_write(tc->regmap, PPI_D1S_ATMR, 0); + regmap_write(tc->regmap, PPI_TX_RX_TA, TTA_GET | TTA_SURE); + regmap_write(tc->regmap, PPI_LPTXTIMECNT, LPX_PERIOD); + + value = ((LANEENABLE_L0EN << tc->dsi_lanes) - LANEENABLE_L0EN) | + LANEENABLE_CLEN; + regmap_write(tc->regmap, PPI_LANEENABLE, value); + regmap_write(tc->regmap, DSI_LANEENABLE, value); + + ret = tc_set_common_video_mode(tc, &tc->mode); + if (ret) + return ret; + + ret = tc_set_dpi_video_mode(tc, &tc->mode); + if (ret) + return ret; + + /* Set input interface */ + value = DP0_AUDSRC_NO_INPUT; + if (tc_test_pattern) + value |= DP0_VIDSRC_COLOR_BAR; + else + value |= DP0_VIDSRC_DSI_RX; + ret = regmap_write(tc->regmap, SYSCTRL, value); + if (ret) + return ret; + + usleep_range(120, 150); + + regmap_write(tc->regmap, PPI_STARTPPI, PPI_START_FUNCTION); + regmap_write(tc->regmap, DSI_STARTDSI, DSI_RX_START); + + return 0; +} + +static int tc_dpi_stream_disable(struct tc_data *tc) +{ + dev_dbg(tc->dev, "disable video stream\n"); + + tc_pxl_pll_dis(tc); + + return 0; +} + static int tc_edp_stream_enable(struct tc_data *tc) { int ret; @@ -1251,6 +1400,34 @@ static int tc_edp_stream_disable(struct tc_data *tc) return 0; } +static void +tc_dpi_bridge_atomic_enable(struct drm_bridge *bridge, + struct drm_bridge_state *old_bridge_state) + +{ + struct tc_data *tc = bridge_to_tc(bridge); + int ret; + + ret = tc_dpi_stream_enable(tc); + if (ret < 0) { + dev_err(tc->dev, "main link stream start error: %d\n", ret); + tc_main_link_disable(tc); + return; + } +} + +static void +tc_dpi_bridge_atomic_disable(struct drm_bridge *bridge, + struct drm_bridge_state *old_bridge_state) +{ + struct tc_data *tc = bridge_to_tc(bridge); + int ret; + + ret = tc_dpi_stream_disable(tc); + if (ret < 0) + dev_err(tc->dev, "main link stream stop error: %d\n", ret); +} + static void tc_edp_bridge_atomic_enable(struct drm_bridge *bridge, struct drm_bridge_state *old_bridge_state) @@ -1321,6 +1498,16 @@ static int tc_common_atomic_check(struct drm_bridge *bridge, return 0; } +static int tc_dpi_atomic_check(struct drm_bridge *bridge, + struct drm_bridge_state *bridge_state, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + /* DSI->DPI interface clock limitation: upto 100 MHz */ + return tc_common_atomic_check(bridge, bridge_state, crtc_state, + conn_state, 100000); +} + static int tc_edp_atomic_check(struct drm_bridge *bridge, struct drm_bridge_state *bridge_state, struct drm_crtc_state *crtc_state, @@ -1331,6 +1518,18 @@ static int tc_edp_atomic_check(struct drm_bridge *bridge, conn_state, 154000); } +static enum drm_mode_status +tc_dpi_mode_valid(struct drm_bridge *bridge, + const struct drm_display_info *info, + const struct drm_display_mode *mode) +{ + /* DPI interface clock limitation: upto 100 MHz */ + if (mode->clock > 100000) + return MODE_CLOCK_HIGH; + + return MODE_OK; +} + static enum drm_mode_status tc_edp_mode_valid(struct drm_bridge *bridge, const struct drm_display_info *info, @@ -1442,6 +1641,18 @@ static const struct drm_connector_funcs tc_connector_funcs = { .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; +static int tc_dpi_bridge_attach(struct drm_bridge *bridge, + enum drm_bridge_attach_flags flags) +{ + struct tc_data *tc = bridge_to_tc(bridge); + + if (!tc->panel_bridge) + return 0; + + return drm_bridge_attach(tc->bridge.encoder, tc->panel_bridge, + &tc->bridge, flags); +} + static int tc_edp_bridge_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { @@ -1500,6 +1711,45 @@ static void tc_edp_bridge_detach(struct drm_bridge *bridge) drm_dp_aux_unregister(&bridge_to_tc(bridge)->aux); } +#define MAX_INPUT_SEL_FORMATS 1 + +static u32 * +tc_dpi_atomic_get_input_bus_fmts(struct drm_bridge *bridge, + struct drm_bridge_state *bridge_state, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state, + u32 output_fmt, + unsigned int *num_input_fmts) +{ + u32 *input_fmts; + + *num_input_fmts = 0; + + input_fmts = kcalloc(MAX_INPUT_SEL_FORMATS, sizeof(*input_fmts), + GFP_KERNEL); + if (!input_fmts) + return NULL; + + /* This is the DSI-end bus format */ + input_fmts[0] = MEDIA_BUS_FMT_RGB888_1X24; + *num_input_fmts = 1; + + return input_fmts; +} + +static const struct drm_bridge_funcs tc_dpi_bridge_funcs = { + .attach = tc_dpi_bridge_attach, + .mode_valid = tc_dpi_mode_valid, + .mode_set = tc_bridge_mode_set, + .atomic_check = tc_dpi_atomic_check, + .atomic_enable = tc_dpi_bridge_atomic_enable, + .atomic_disable = tc_dpi_bridge_atomic_disable, + .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, + .atomic_reset = drm_atomic_helper_bridge_reset, + .atomic_get_input_bus_fmts = tc_dpi_atomic_get_input_bus_fmts, +}; + static const struct drm_bridge_funcs tc_edp_bridge_funcs = { .attach = tc_edp_bridge_attach, .detach = tc_edp_bridge_detach, @@ -1600,6 +1850,82 @@ static irqreturn_t tc_irq_handler(int irq, void *arg) return IRQ_HANDLED; } +static int tc_mipi_dsi_host_attach(struct tc_data *tc) +{ + struct device *dev = tc->dev; + struct device_node *host_node; + struct device_node *endpoint; + struct mipi_dsi_device *dsi; + struct mipi_dsi_host *host; + const struct mipi_dsi_device_info info = { + .type = "tc358767", + .channel = 0, + .node = NULL, + }; + int dsi_lanes, ret; + + endpoint = of_graph_get_endpoint_by_regs(dev->of_node, 0, -1); + dsi_lanes = of_property_count_u32_elems(endpoint, "data-lanes"); + host_node = of_graph_get_remote_port_parent(endpoint); + host = of_find_mipi_dsi_host_by_node(host_node); + of_node_put(host_node); + of_node_put(endpoint); + + if (dsi_lanes < 0 || dsi_lanes > 4) + return -EINVAL; + + if (!host) + return -EPROBE_DEFER; + + dsi = mipi_dsi_device_register_full(host, &info); + if (IS_ERR(dsi)) + return dev_err_probe(dev, PTR_ERR(dsi), + "failed to create dsi device\n"); + + tc->dsi = dsi; + + tc->dsi_lanes = dsi_lanes; + dsi->lanes = tc->dsi_lanes; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE; + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + dev_err(dev, "failed to attach dsi to host: %d\n", ret); + return ret; + } + + return 0; +} + +static int tc_probe_dpi_bridge_endpoint(struct tc_data *tc) +{ + struct device *dev = tc->dev; + struct drm_panel *panel; + int ret; + + /* port@1 is the DPI input/output port */ + ret = drm_of_find_panel_or_bridge(dev->of_node, 1, 0, &panel, NULL); + if (ret && ret != -ENODEV) + return ret; + + if (panel) { + struct drm_bridge *panel_bridge; + + panel_bridge = devm_drm_panel_bridge_add(dev, panel); + if (IS_ERR(panel_bridge)) + return PTR_ERR(panel_bridge); + + tc->panel_bridge = panel_bridge; + tc->bridge.type = DRM_MODE_CONNECTOR_DPI; + tc->bridge.funcs = &tc_dpi_bridge_funcs; + + return 0; + } + + return ret; +} + static int tc_probe_edp_bridge_endpoint(struct tc_data *tc) { struct device *dev = tc->dev; @@ -1667,7 +1993,7 @@ static int tc_probe_bridge_endpoint(struct tc_data *tc) if (mode == mode_dpi_to_edp) return tc_probe_edp_bridge_endpoint(tc); else if (mode == mode_dsi_to_dpi) - dev_warn(dev, "The mode DSI-to-DPI is not supported!\n"); + return tc_probe_dpi_bridge_endpoint(tc); else if (mode == mode_dsi_to_edp) dev_warn(dev, "The mode DSI-to-(e)DP is not supported!\n"); else @@ -1798,15 +2124,25 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) } } - ret = tc_aux_link_setup(tc); - if (ret) - return ret; + if (tc->bridge.type != DRM_MODE_CONNECTOR_DPI) { /* (e)DP output */ + ret = tc_aux_link_setup(tc); + if (ret) + return ret; + } tc->bridge.of_node = dev->of_node; drm_bridge_add(&tc->bridge); i2c_set_clientdata(client, tc); + if (tc->bridge.type == DRM_MODE_CONNECTOR_DPI) { /* DPI output */ + ret = tc_mipi_dsi_host_attach(tc); + if (ret) { + drm_bridge_remove(&tc->bridge); + return ret; + } + } + return 0; }