From patchwork Tue Dec 17 05:31:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 13911140 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6EC611361; Tue, 17 Dec 2024 05:32:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734413549; cv=none; b=DVA8rpDVCNpjr6uW2Oc/AeR12kXUuO3Xmr6UI3c+p6uoolGsNZLAQQ5JeaEdIe8fxrLxbIdno1HYN4RT72SN17VGKiFEfOyqTj7Kln997+8tcRYjZGyeiOmMeKPtN0Q63GixinTCSbRBadjWVQQJHG2W0EBWTq0B4eZoxw8JYak= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734413549; c=relaxed/simple; bh=avI8ClOrtHzD2SipA/Fyk+O8iRhwsleato1FpezpTWY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=uWAAWHeJbMky/vC3uoMi9/Fa6KjFVlH/WG+ifkQFdn3O78T8kZZKIx6Jy/YpCW1dS4ZYDwyvZ4SWzzhEw/fVfhdiYgR3/JCM+TICJuXIj0dWOLr1N+oMwgPHBqCd1LZquD2m+ESQyq9vNqAsIKPu+rsV6KAPCt6I6bOegnhdthw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=ascbri/1; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="ascbri/1" Received: from [127.0.1.1] (91-157-155-49.elisa-laajakaista.fi [91.157.155.49]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 95B5455; Tue, 17 Dec 2024 06:31:46 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1734413508; bh=avI8ClOrtHzD2SipA/Fyk+O8iRhwsleato1FpezpTWY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ascbri/1u93szfYgP25SSr857XPCHi19Xxk75o3Uuyt6a0yr3rlQOOx+jtAM4ELOO HZW5wGirgk5wEjLt7hZtZuWre2fR6/Urijr2e0PyFNa+2aJ5Gh/rB6KDtvGc6kzI3V HyHILpRgRQsw6/Oy2w0u7OKSdEu49Hp99em50UZA= From: Tomi Valkeinen Date: Tue, 17 Dec 2024 07:31:35 +0200 Subject: [PATCH v5 1/7] drm/rcar-du: dsi: Fix PHY lock bit check Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241217-rcar-gh-dsi-v5-1-e77421093c05@ideasonboard.com> References: <20241217-rcar-gh-dsi-v5-0-e77421093c05@ideasonboard.com> In-Reply-To: <20241217-rcar-gh-dsi-v5-0-e77421093c05@ideasonboard.com> To: Laurent Pinchart , Kieran Bingham , Andrzej Hajda , Neil Armstrong , Robert Foss , Jonas Karlman , Jernej Skrabec , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Michael Turquette , Stephen Boyd , LUU HOAI , Jagan Teki , Sam Ravnborg , Biju Das Cc: Laurent Pinchart , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Laurent Pinchart , linux-clk@vger.kernel.org, Tomi Valkeinen , stable@vger.kernel.org X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2124; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=oDefLvswOZixERy//YecN6qGggsNckidLEErkzhvvTE=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBnYQziJXZaCRqtyAepVhFqXvRuXc7hmQtry8RBi vb+pezoR5+JAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZ2EM4gAKCRD6PaqMvJYe 9fpzD/98xI478iBWlIUKmY8TkYpK9YSt/GywTd/lEUxSQPNX4pbS6yEF4M20oDZT3JotFemFaV1 DcBidbJnDoR+OOwktWAv6n0nbZn6klPFHFDq2c4dWW5b+7DIpZj7Hw+I5trhok5xBirxOlscrII NJt4rTo6oMGZaRwB0nyiBf8sNnwva0m/auJ5zldAzlGWrC//LEAaxZ9th0RU5HK02UY6tzpsGou rYZUx6UqBXFj7TckZwSvWU9Hf2qpSBbtM9YHh4nWqUPcrxL6PtWFWRUw41EChcOC2nR8gVwqhh9 EPmK+vkZxtf6aYEfOUiT4dKELd+SHoVXINkiXLiFTJRRK1NdI5vKgOCwvJvRqckfdkkuhc1TuUc YwJVH71Ck+p8YEgw15JJnf3W88sxrYyGj2xkZBll55FwWGwAzckqSlP+IxFHftxM01Bej5a0MIW t46SFnbK+Tn+MRgXep1T70W8RlkEMNlL2sfWjsUFLBnWi8OFhQx7akQfJdRb2164t7KufLR0/b1 iLOmMfbsc/A4bsGjrxBAcPts0m7Db0Xqd/fje1Tg7NeW12r4loOOkJ+p9tL+BrdMcfJylwm4CdI j7tzBKhjKJcaQ7pG76UmbJ+aEOZmp18aEfHsKpFSkGCFdbeanEGwnMQkEjQPPKzmj9M+DcrjB4z kDeh8xdiSBFxqdQ== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 From: Tomi Valkeinen The driver checks for bit 16 (using CLOCKSET1_LOCK define) in CLOCKSET1 register when waiting for the PPI clock. However, the right bit to check is bit 17 (CLOCKSET1_LOCK_PHY define). Not only that, but there's nothing in the documents for bit 16 for V3U nor V4H. So, fix the check to use bit 17, and drop the define for bit 16. Fixes: 155358310f01 ("drm: rcar-du: Add R-Car DSI driver") Fixes: 11696c5e8924 ("drm: Place Renesas drivers in a separate dir") Cc: stable@vger.kernel.org Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart Tested-by: Geert Uytterhoeven --- drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c | 2 +- drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h | 1 - 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c index 2dba7c5ffd2c..92f4261305bd 100644 --- a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c @@ -587,7 +587,7 @@ static int rcar_mipi_dsi_startup(struct rcar_mipi_dsi *dsi, for (timeout = 10; timeout > 0; --timeout) { if ((rcar_mipi_dsi_read(dsi, PPICLSR) & PPICLSR_STPST) && (rcar_mipi_dsi_read(dsi, PPIDLSR) & PPIDLSR_STPST) && - (rcar_mipi_dsi_read(dsi, CLOCKSET1) & CLOCKSET1_LOCK)) + (rcar_mipi_dsi_read(dsi, CLOCKSET1) & CLOCKSET1_LOCK_PHY)) break; usleep_range(1000, 2000); diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h index f8114d11f2d1..a6b276f1d6ee 100644 --- a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi_regs.h @@ -142,7 +142,6 @@ #define CLOCKSET1 0x101c #define CLOCKSET1_LOCK_PHY (1 << 17) -#define CLOCKSET1_LOCK (1 << 16) #define CLOCKSET1_CLKSEL (1 << 8) #define CLOCKSET1_CLKINSEL_EXTAL (0 << 2) #define CLOCKSET1_CLKINSEL_DIG (1 << 2) From patchwork Tue Dec 17 05:31:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 13911142 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C8CAF156227; Tue, 17 Dec 2024 05:32:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="T5eI+a/X" Received: from [127.0.1.1] (91-157-155-49.elisa-laajakaista.fi [91.157.155.49]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 553C159D; Tue, 17 Dec 2024 06:31:48 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1734413509; bh=DMH9kb64WnVAVtxcUTTPxPJIxU2uJoWDyUzVe2vOmFI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=T5eI+a/XeHqygFTSp1eTjC1h1MjoSV+okoXSXbI5obK3O2YpINnbreh6t3F0a9Nei rkCKxJdgFp9v0gaSMA4Ox4w1fi1p/TFsEKoEXTj97EeNB/iSaf+F0f18UK/EqAAi3J zH3LsmHWFSMkNeY8R7YVirvalEhpJaNy9UCsdKlU= From: Tomi Valkeinen Date: Tue, 17 Dec 2024 07:31:36 +0200 Subject: [PATCH v5 2/7] drm/rcar-du: Write DPTSR only if the second source exists Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241217-rcar-gh-dsi-v5-2-e77421093c05@ideasonboard.com> References: <20241217-rcar-gh-dsi-v5-0-e77421093c05@ideasonboard.com> In-Reply-To: <20241217-rcar-gh-dsi-v5-0-e77421093c05@ideasonboard.com> To: Laurent Pinchart , Kieran Bingham , Andrzej Hajda , Neil Armstrong , Robert Foss , Jonas Karlman , Jernej Skrabec , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Michael Turquette , Stephen Boyd , LUU HOAI , Jagan Teki , Sam Ravnborg , Biju Das Cc: Laurent Pinchart , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Laurent Pinchart , linux-clk@vger.kernel.org, Tomi Valkeinen X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; 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a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 From: Tomi Valkeinen Currently the driver always writes DPTSR when setting up the hardware. However, writing the register is only meaningful when the second source for a plane is used, and the register is not even documented for SoCs that do not have the second source. So move the write behind a condition. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart Tested-by: Laurent Pinchart # On R-Car M3-N --- drivers/gpu/drm/renesas/rcar-du/rcar_du_group.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_du_group.c b/drivers/gpu/drm/renesas/rcar-du/rcar_du_group.c index 2ccd2581f544..1ec806c8e013 100644 --- a/drivers/gpu/drm/renesas/rcar-du/rcar_du_group.c +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_du_group.c @@ -185,11 +185,21 @@ static void rcar_du_group_setup(struct rcar_du_group *rgrp) dorcr |= DORCR_PG1T | DORCR_DK1S | DORCR_PG1D_DS1; rcar_du_group_write(rgrp, DORCR, dorcr); - /* Apply planes to CRTCs association. */ - mutex_lock(&rgrp->lock); - rcar_du_group_write(rgrp, DPTSR, (rgrp->dptsr_planes << 16) | - rgrp->dptsr_planes); - mutex_unlock(&rgrp->lock); + /* + * DPTSR is used to select the source for the planes of a group. The + * first source is chosen by writing 0 to the respective bits, and this + * is always the default value of the register. In other words, writing + * DPTSR is only needed if the SoC supports choosing the second source. + * + * The SoCs documentations seems to confirm this, as the DPTSR register + * is not documented if only the first source exists on that SoC. + */ + if (rgrp->channels_mask & BIT(1)) { + mutex_lock(&rgrp->lock); + rcar_du_group_write(rgrp, DPTSR, (rgrp->dptsr_planes << 16) | + rgrp->dptsr_planes); + mutex_unlock(&rgrp->lock); + } } /* From patchwork Tue Dec 17 05:31:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 13911143 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 55E791598F4; Tue, 17 Dec 2024 05:32:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; 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a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 From: Tomi Valkeinen The binding is missing maxItems for all renesas,cmms and renesas,vsps properties. As the amount of cmms or vsps is always a fixed amount, set the maxItems to match the minItems. Also add the minItems and maxItems to the top level properties. Signed-off-by: Tomi Valkeinen Reviewed-by: Krzysztof Kozlowski Reviewed-by: Laurent Pinchart --- Documentation/devicetree/bindings/display/renesas,du.yaml | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/display/renesas,du.yaml b/Documentation/devicetree/bindings/display/renesas,du.yaml index c5b9e6812bce..ef4568118e94 100644 --- a/Documentation/devicetree/bindings/display/renesas,du.yaml +++ b/Documentation/devicetree/bindings/display/renesas,du.yaml @@ -77,6 +77,8 @@ properties: renesas,cmms: $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 1 + maxItems: 4 items: maxItems: 1 description: @@ -85,6 +87,8 @@ properties: renesas,vsps: $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 1 + maxItems: 4 items: items: - description: phandle to VSP instance that serves the DU channel @@ -489,9 +493,11 @@ allOf: renesas,cmms: minItems: 4 + maxItems: 4 renesas,vsps: minItems: 4 + maxItems: 4 required: - clock-names @@ -558,9 +564,11 @@ allOf: renesas,cmms: minItems: 3 + maxItems: 3 renesas,vsps: minItems: 3 + maxItems: 3 required: - clock-names @@ -627,9 +635,11 @@ allOf: renesas,cmms: minItems: 3 + maxItems: 3 renesas,vsps: minItems: 3 + maxItems: 3 required: - clock-names @@ -683,7 +693,7 @@ allOf: - port@1 renesas,vsps: - minItems: 1 + maxItems: 1 required: - clock-names @@ -746,9 +756,11 @@ allOf: renesas,cmms: minItems: 2 + maxItems: 2 renesas,vsps: minItems: 2 + maxItems: 2 required: - clock-names @@ -799,6 +811,7 @@ allOf: renesas,vsps: minItems: 2 + maxItems: 2 required: - clock-names From patchwork Tue Dec 17 05:31:38 2024 Content-Type: text/plain; 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a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1734413513; bh=zdX+BCuAKKQPRTtLESLknPTWT46cERQimII1RexZUwY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=V/v6+HEWhx42+XBKxnsINSRkF8Je/d0EIYpTJYOpckGaHDigjU87v3d0HT4ryJDUH RF/GbGZZfGu2VmT3R3JhmwUfBmGmP3kASkdWyI6TdQdFVtYiOvkYl6A5sxmc1T8ZRx livx0OlNZjtSvqLmYiq35JzeXpA7fNRMsu9yloe4= From: Tomi Valkeinen Date: Tue, 17 Dec 2024 07:31:38 +0200 Subject: [PATCH v5 4/7] dt-bindings: display: renesas,du: Add r8a779h0 Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241217-rcar-gh-dsi-v5-4-e77421093c05@ideasonboard.com> References: <20241217-rcar-gh-dsi-v5-0-e77421093c05@ideasonboard.com> In-Reply-To: <20241217-rcar-gh-dsi-v5-0-e77421093c05@ideasonboard.com> To: Laurent Pinchart , Kieran Bingham , Andrzej Hajda , Neil Armstrong , Robert Foss , Jonas Karlman , Jernej Skrabec , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Michael Turquette , Stephen Boyd , LUU HOAI , Jagan Teki , Sam Ravnborg , Biju Das Cc: Laurent Pinchart , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Laurent Pinchart , linux-clk@vger.kernel.org, Tomi Valkeinen X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; 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a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 From: Tomi Valkeinen Extend the Renesas DU display bindings to support the r8a779h0 V4M. Note that we remove the requirement for two ports from the global part of the bindings, as each conditional part defines the number of required ports already. This came up with r8a779h0 as it's the first one that has only one port. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart Tested-by: Geert Uytterhoeven Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/display/renesas,du.yaml | 52 ++++++++++++++++++++-- 1 file changed, 48 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/display/renesas,du.yaml b/Documentation/devicetree/bindings/display/renesas,du.yaml index ef4568118e94..3880b4c2ea9a 100644 --- a/Documentation/devicetree/bindings/display/renesas,du.yaml +++ b/Documentation/devicetree/bindings/display/renesas,du.yaml @@ -41,6 +41,7 @@ properties: - renesas,du-r8a77995 # for R-Car D3 compatible DU - renesas,du-r8a779a0 # for R-Car V3U compatible DU - renesas,du-r8a779g0 # for R-Car V4H compatible DU + - renesas,du-r8a779h0 # for R-Car V4M compatible DU reg: maxItems: 1 @@ -69,10 +70,6 @@ properties: $ref: /schemas/graph.yaml#/properties/port unevaluatedProperties: false - required: - - port@0 - - port@1 - unevaluatedProperties: false renesas,cmms: @@ -820,6 +817,53 @@ allOf: - reset-names - renesas,vsps + - if: + properties: + compatible: + contains: + enum: + - renesas,du-r8a779h0 + then: + properties: + clocks: + items: + - description: Functional clock + + clock-names: + items: + - const: du.0 + + interrupts: + maxItems: 1 + + resets: + maxItems: 1 + + reset-names: + items: + - const: du.0 + + ports: + properties: + port@0: + description: DSI 0 + port@1: false + port@2: false + port@3: false + + required: + - port@0 + + renesas,vsps: + maxItems: 1 + + required: + - clock-names + - interrupts + - resets + - reset-names + - renesas,vsps + additionalProperties: false examples: From patchwork Tue Dec 17 05:31:39 2024 Content-Type: text/plain; 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a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 From: Tomi Valkeinen Extend the Renesas DSI display bindings to support the r8a779h0 V4M. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart Acked-by: Krzysztof Kozlowski Tested-by: Geert Uytterhoeven --- .../devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml b/Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml index d33026f85e19..c167795c63f6 100644 --- a/Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml +++ b/Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml @@ -19,6 +19,7 @@ properties: enum: - renesas,r8a779a0-dsi-csi2-tx # for V3U - renesas,r8a779g0-dsi-csi2-tx # for V4H + - renesas,r8a779h0-dsi-csi2-tx # for V4M reg: maxItems: 1 From patchwork Tue Dec 17 05:31:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 13911147 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B49DB1D54E3; 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a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 From: Tomi Valkeinen Add support for DSI on r8a779h0. As it is identical to DSI on r8a779g0, all we need is to handle the compatible string. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart Tested-by: Geert Uytterhoeven --- drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c index 92f4261305bd..36e902601f84 100644 --- a/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c @@ -1081,6 +1081,8 @@ static const struct rcar_mipi_dsi_device_info v4h_data = { static const struct of_device_id rcar_mipi_dsi_of_table[] = { { .compatible = "renesas,r8a779a0-dsi-csi2-tx", .data = &v3u_data }, { .compatible = "renesas,r8a779g0-dsi-csi2-tx", .data = &v4h_data }, + /* DSI in r8a779h0 is identical to r8a779g0 */ + { .compatible = "renesas,r8a779h0-dsi-csi2-tx", .data = &v4h_data }, { } }; From patchwork Tue Dec 17 05:31:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 13911146 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4599619F13C; 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a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 From: Tomi Valkeinen Add support for r8a779h0. It is very similar to r8a779g0, but has only one output. Signed-off-by: Tomi Valkeinen Tested-by: Geert Uytterhoeven Reviewed-by: Laurent Pinchart --- drivers/gpu/drm/renesas/rcar-du/rcar_du_drv.c | 18 ++++++++++++++++++ drivers/gpu/drm/renesas/rcar-du/rcar_du_group.c | 4 +++- 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/renesas/rcar-du/rcar_du_drv.c index fb719d9aff10..7858e10839f2 100644 --- a/drivers/gpu/drm/renesas/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_du_drv.c @@ -545,6 +545,23 @@ static const struct rcar_du_device_info rcar_du_r8a779g0_info = { .dsi_clk_mask = BIT(1) | BIT(0), }; +static const struct rcar_du_device_info rcar_du_r8a779h0_info = { + .gen = 4, + .features = RCAR_DU_FEATURE_CRTC_IRQ + | RCAR_DU_FEATURE_VSP1_SOURCE + | RCAR_DU_FEATURE_NO_BLENDING, + .channels_mask = BIT(0), + .routes = { + /* R8A779H0 has one MIPI DSI output. */ + [RCAR_DU_OUTPUT_DSI0] = { + .possible_crtcs = BIT(0), + .port = 0, + }, + }, + .num_rpf = 5, + .dsi_clk_mask = BIT(0), +}; + static const struct of_device_id rcar_du_of_table[] = { { .compatible = "renesas,du-r8a7742", .data = &rcar_du_r8a7790_info }, { .compatible = "renesas,du-r8a7743", .data = &rzg1_du_r8a7743_info }, @@ -571,6 +588,7 @@ static const struct of_device_id rcar_du_of_table[] = { { .compatible = "renesas,du-r8a77995", .data = &rcar_du_r8a7799x_info }, { .compatible = "renesas,du-r8a779a0", .data = &rcar_du_r8a779a0_info }, { .compatible = "renesas,du-r8a779g0", .data = &rcar_du_r8a779g0_info }, + { .compatible = "renesas,du-r8a779h0", .data = &rcar_du_r8a779h0_info }, { } }; diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_du_group.c b/drivers/gpu/drm/renesas/rcar-du/rcar_du_group.c index 1ec806c8e013..068c106e586c 100644 --- a/drivers/gpu/drm/renesas/rcar-du/rcar_du_group.c +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_du_group.c @@ -107,10 +107,12 @@ static void rcar_du_group_setup_didsr(struct rcar_du_group *rgrp) */ rcrtc = rcdu->crtcs; num_crtcs = rcdu->num_crtcs; - } else if (rcdu->info->gen >= 3 && rgrp->num_crtcs > 1) { + } else if ((rcdu->info->gen == 3 && rgrp->num_crtcs > 1) || + rcdu->info->gen == 4) { /* * On Gen3 dot clocks are setup through per-group registers, * only available when the group has two channels. + * On Gen4 the registers are there for single channel too. */ rcrtc = &rcdu->crtcs[rgrp->index * 2]; num_crtcs = rgrp->num_crtcs;