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[82.149.1.172]) by smtp.gmail.com with ESMTPSA id i6-20020a170906850600b0073d9a0d0cbcsm7193709ejx.72.2022.09.06.13.04.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Sep 2022 13:04:33 -0700 (PDT) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: Maxime Ripard , Ben Skeggs , David Airlie , Chen-Yu Tsai , Thomas Zimmermann , Jani Nikula , Lyude Paul , Philipp Zabel , Maarten Lankhorst , Rodrigo Vivi , Tvrtko Ursulin , Samuel Holland , Karol Herbst , Noralf =?ISO-8859-1?Q?Tr=F8nnes?= , Emma Anholt , Daniel Vetter , Joonas Lahtinen , Maxime Ripard Date: Tue, 06 Sep 2022 22:04:32 +0200 Message-ID: <10138422.nUPlyArG6x@kista> In-Reply-To: <20220728-rpi-analog-tv-properties-v2-36-459522d653a7@cerno.tech> References: <20220728-rpi-analog-tv-properties-v2-0-459522d653a7@cerno.tech> <20220728-rpi-analog-tv-properties-v2-36-459522d653a7@cerno.tech> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Mailman-Approved-At: Mon, 12 Sep 2022 13:38:08 +0000 Subject: Re: [Intel-gfx] [PATCH v2 36/41] drm/sun4i: tv: Merge mode_set into atomic_enable X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dom Cobley , Dave Stevenson , nouveau@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi@lists.linux.dev, Geert Uytterhoeven , Maxime Ripard , Mateusz Kwiatkowski , Phil Elwell , linux-arm-kernel@lists.infradead.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Dne ponedeljek, 29. avgust 2022 ob 15:11:50 CEST je Maxime Ripard napisal(a): > Our mode_set implementation can be merged into our atomic_enable > implementation to simplify things, so let's do this. Are you sure this is a good thing in long term? What if user wants to change mode? Unlikely, but why not. Best regards, Jernej > > Signed-off-by: Maxime Ripard > > diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c > b/drivers/gpu/drm/sun4i/sun4i_tv.c > index f7aad995ab5b..3944da9a3c34 100644 > --- a/drivers/gpu/drm/sun4i/sun4i_tv.c > +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c > @@ -359,23 +359,13 @@ static void sun4i_tv_enable(struct drm_encoder > *encoder, { > struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); > struct sun4i_crtc *crtc = drm_crtc_to_sun4i_crtc(encoder->crtc); > - > - DRM_DEBUG_DRIVER("Enabling the TV Output\n"); > - > - sunxi_engine_apply_color_correction(crtc->engine); > - > - regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > - SUN4I_TVE_EN_ENABLE, > - SUN4I_TVE_EN_ENABLE); > -} > - > -static void sun4i_tv_mode_set(struct drm_encoder *encoder, > - struct drm_display_mode *mode, > - struct drm_display_mode *adjusted_mode) > -{ > - struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); > + struct drm_crtc_state *crtc_state = > + drm_atomic_get_new_crtc_state(state, encoder->crtc); > + struct drm_display_mode *mode = &crtc_state->mode; > const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode); > > + DRM_DEBUG_DRIVER("Enabling the TV Output\n"); > + > /* Enable and map the DAC to the output */ > regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > SUN4I_TVE_EN_DAC_MAP_MASK, > @@ -468,12 +458,17 @@ static void sun4i_tv_mode_set(struct drm_encoder > *encoder, > SUN4I_TVE_RESYNC_FIELD : 0)); > > regmap_write(tv->regs, SUN4I_TVE_SLAVE_REG, 0); > + > + sunxi_engine_apply_color_correction(crtc->engine); > + > + regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > + SUN4I_TVE_EN_ENABLE, > + SUN4I_TVE_EN_ENABLE); > } > > static const struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = { > .atomic_disable = sun4i_tv_disable, > .atomic_enable = sun4i_tv_enable, > - .mode_set = sun4i_tv_mode_set, > }; > > static int sun4i_tv_comp_get_modes(struct drm_connector *connector) > > -- > b4 0.10.0-dev-65ba7 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f43.google.com (mail-ed1-f43.google.com [209.85.208.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B618786E9 for ; Tue, 6 Sep 2022 20:04:36 +0000 (UTC) Received: by mail-ed1-f43.google.com with SMTP id e17so8998551edc.5 for ; Tue, 06 Sep 2022 13:04:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=plI2ccCtxFfQQaA/IHicso25P4hNeiGkni4LSwxPbm4=; b=Oa0+iWZ5DBGIMbtbaWYlC5APlU/wi67OB46kQ8Fked1WkqCJO7eSuYV4pXcpMtsrLh h4m8ns9bM2EwwF1pb3EvhBxIuI6zX9ev0R6fn6dUX6ngsdv7SQcvBDNqWnFLGSyURMsG 3t1udFKm1hYrJJ9BkltIYCn31OmFy6AZPUQ8/Sj6T1LlhFdQjhA57LTt7OJxR5vTJLKR IuunwxnSMYyOBJoMqzyfHehMGdq3P/FdVikYQbvRTcieYwm9qSRwWDkFuVFhqCAaAZGj eCCSN7KdX2r0rqA0gSJxLFOqvSdqphm5EeP5zTMWlKZ20BzoIgCkXDmhh8P46XPQ9TEb YhLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=plI2ccCtxFfQQaA/IHicso25P4hNeiGkni4LSwxPbm4=; b=y+E/vl0EToV/+jpHjvTU6kb6wWautRoxqCky523nRQYXYKXFuzkneG4xATpEd8DVOM dwcWMxb0lHA6XFYCYk5CZQ1TXmagVA2qyc57Qbe6PDlvZsmEmZwyzVIV9pdAynStXlqq PPecxaaji6N0wJXaW3niGvQQBtcNmMmpBbw/xLfjfw2WpmsdObSAcvs9iFx4kInCfDWV hHRJuqneH0LernkOXiEc2q3YNwF9HNvpeCCYzi/zmX3UKizrNgWQvjaVNO5Wjgd8qiF2 gmTRg4jiY7OpXT08MMo5BU3f8Sf7irZR77u1EOhvG07G4g0hQzp/5TqT6ukGXEdPV46E HdpA== X-Gm-Message-State: ACgBeo0HGGmmSkhGDiF9Cz9s17xT43brXVzhx/yEEjV1Nj357pPBBiGI kIhMH1UQ9LeYuFgddlQvRkM= X-Google-Smtp-Source: AA6agR6Kk9aCcEfrY5Ey5jOi/kWmdkQVgNAUGJ16H1QclaprIGEZQnyZQvab5nv2idHUjXMCwzagDQ== X-Received: by 2002:a05:6402:911:b0:44e:a5b4:74f7 with SMTP id g17-20020a056402091100b0044ea5b474f7mr211765edz.249.1662494675009; Tue, 06 Sep 2022 13:04:35 -0700 (PDT) Received: from kista.localnet (82-149-1-172.dynamic.telemach.net. [82.149.1.172]) by smtp.gmail.com with ESMTPSA id i6-20020a170906850600b0073d9a0d0cbcsm7193709ejx.72.2022.09.06.13.04.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Sep 2022 13:04:33 -0700 (PDT) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: Maxime Ripard , Ben Skeggs , David Airlie , Chen-Yu Tsai , Thomas Zimmermann , Jani Nikula , Lyude Paul , Philipp Zabel , Maarten Lankhorst , Rodrigo Vivi , Tvrtko Ursulin , Samuel Holland , Karol Herbst , Noralf =?ISO-8859-1?Q?Tr=F8nnes?= , Emma Anholt , Daniel Vetter , Joonas Lahtinen , Maxime Ripard Cc: Maxime Ripard , Hans de Goede , linux-arm-kernel@lists.infradead.org, Phil Elwell , intel-gfx@lists.freedesktop.org, Dave Stevenson , dri-devel@lists.freedesktop.org, Dom Cobley , linux-kernel@vger.kernel.org, nouveau@lists.freedesktop.org, linux-sunxi@lists.linux.dev, Mateusz Kwiatkowski , Geert Uytterhoeven Subject: Re: [PATCH v2 36/41] drm/sun4i: tv: Merge mode_set into atomic_enable Date: Tue, 06 Sep 2022 22:04:32 +0200 Message-ID: <10138422.nUPlyArG6x@kista> In-Reply-To: <20220728-rpi-analog-tv-properties-v2-36-459522d653a7@cerno.tech> References: <20220728-rpi-analog-tv-properties-v2-0-459522d653a7@cerno.tech> <20220728-rpi-analog-tv-properties-v2-36-459522d653a7@cerno.tech> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Dne ponedeljek, 29. avgust 2022 ob 15:11:50 CEST je Maxime Ripard napisal(a): > Our mode_set implementation can be merged into our atomic_enable > implementation to simplify things, so let's do this. Are you sure this is a good thing in long term? What if user wants to change mode? Unlikely, but why not. Best regards, Jernej > > Signed-off-by: Maxime Ripard > > diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c > b/drivers/gpu/drm/sun4i/sun4i_tv.c > index f7aad995ab5b..3944da9a3c34 100644 > --- a/drivers/gpu/drm/sun4i/sun4i_tv.c > +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c > @@ -359,23 +359,13 @@ static void sun4i_tv_enable(struct drm_encoder > *encoder, { > struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); > struct sun4i_crtc *crtc = drm_crtc_to_sun4i_crtc(encoder->crtc); > - > - DRM_DEBUG_DRIVER("Enabling the TV Output\n"); > - > - sunxi_engine_apply_color_correction(crtc->engine); > - > - regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > - SUN4I_TVE_EN_ENABLE, > - SUN4I_TVE_EN_ENABLE); > -} > - > -static void sun4i_tv_mode_set(struct drm_encoder *encoder, > - struct drm_display_mode *mode, > - struct drm_display_mode *adjusted_mode) > -{ > - struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); > + struct drm_crtc_state *crtc_state = > + drm_atomic_get_new_crtc_state(state, encoder->crtc); > + struct drm_display_mode *mode = &crtc_state->mode; > const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode); > > + DRM_DEBUG_DRIVER("Enabling the TV Output\n"); > + > /* Enable and map the DAC to the output */ > regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > SUN4I_TVE_EN_DAC_MAP_MASK, > @@ -468,12 +458,17 @@ static void sun4i_tv_mode_set(struct drm_encoder > *encoder, > SUN4I_TVE_RESYNC_FIELD : 0)); > > regmap_write(tv->regs, SUN4I_TVE_SLAVE_REG, 0); > + > + sunxi_engine_apply_color_correction(crtc->engine); > + > + regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > + SUN4I_TVE_EN_ENABLE, > + SUN4I_TVE_EN_ENABLE); > } > > static const struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = { > .atomic_disable = sun4i_tv_disable, > .atomic_enable = sun4i_tv_enable, > - .mode_set = sun4i_tv_mode_set, > }; > > static int sun4i_tv_comp_get_modes(struct drm_connector *connector) > > -- > b4 0.10.0-dev-65ba7 From mboxrd@z Thu Jan 1 00:00:00 1970 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 97547C54EE9 for ; Tue, 6 Sep 2022 20:33:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0F74310EAD6; Tue, 6 Sep 2022 20:33:16 +0000 (UTC) Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7BF1010EA76; Tue, 6 Sep 2022 20:04:36 +0000 (UTC) Received: by mail-ed1-x530.google.com with SMTP id w2so16681810edc.0; Tue, 06 Sep 2022 13:04:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=plI2ccCtxFfQQaA/IHicso25P4hNeiGkni4LSwxPbm4=; b=Oa0+iWZ5DBGIMbtbaWYlC5APlU/wi67OB46kQ8Fked1WkqCJO7eSuYV4pXcpMtsrLh h4m8ns9bM2EwwF1pb3EvhBxIuI6zX9ev0R6fn6dUX6ngsdv7SQcvBDNqWnFLGSyURMsG 3t1udFKm1hYrJJ9BkltIYCn31OmFy6AZPUQ8/Sj6T1LlhFdQjhA57LTt7OJxR5vTJLKR IuunwxnSMYyOBJoMqzyfHehMGdq3P/FdVikYQbvRTcieYwm9qSRwWDkFuVFhqCAaAZGj eCCSN7KdX2r0rqA0gSJxLFOqvSdqphm5EeP5zTMWlKZ20BzoIgCkXDmhh8P46XPQ9TEb YhLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=plI2ccCtxFfQQaA/IHicso25P4hNeiGkni4LSwxPbm4=; b=5o13LKN2PkvV/C9fZ56DE8aPboCVafCeagRc5KCDQGrIievs7C5BiKEAx4229tU7C1 LGNEbq++oGbdSwKjZylg8SHZzsVlPz7H1Egq0lPg8t/5ZPEEz9abCQTkoPUtXFUtHxAT NQZBrAExsdiNzDxW1h4PLP3oAKGagLmtabN/jwXuD0Opj+WIjD+dnxuNS3h5UPX3mYq/ ouuudtPwFFP1sOGPjsVjby/0r38hRrAfQiDOiSoMRcT3t90DftPC8x5rbmMBLzxDgiyf sNNJNFrSVCEcxLNjhw+kWw5XEbu6K4KaUIBqtc5HPrluHaK+WcGKCk0xMMZYs7FhUm/0 wteQ== X-Gm-Message-State: ACgBeo0qcwIj7Susj4vc9tFLGsohlan9NeknoTjT0jbw9IJj5gK4CoR+ WkbsmpiqDkAqMT7FO2Jm9Kk= X-Google-Smtp-Source: AA6agR6Kk9aCcEfrY5Ey5jOi/kWmdkQVgNAUGJ16H1QclaprIGEZQnyZQvab5nv2idHUjXMCwzagDQ== X-Received: by 2002:a05:6402:911:b0:44e:a5b4:74f7 with SMTP id g17-20020a056402091100b0044ea5b474f7mr211765edz.249.1662494675009; Tue, 06 Sep 2022 13:04:35 -0700 (PDT) Received: from kista.localnet (82-149-1-172.dynamic.telemach.net. [82.149.1.172]) by smtp.gmail.com with ESMTPSA id i6-20020a170906850600b0073d9a0d0cbcsm7193709ejx.72.2022.09.06.13.04.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Sep 2022 13:04:33 -0700 (PDT) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: Maxime Ripard , Ben Skeggs , David Airlie , Chen-Yu Tsai , Thomas Zimmermann , Jani Nikula , Lyude Paul , Philipp Zabel , Maarten Lankhorst , Rodrigo Vivi , Tvrtko Ursulin , Samuel Holland , Karol Herbst , Noralf =?ISO-8859-1?Q?Tr=F8nnes?= , Emma Anholt , Daniel Vetter , Joonas Lahtinen , Maxime Ripard Date: Tue, 06 Sep 2022 22:04:32 +0200 Message-ID: <10138422.nUPlyArG6x@kista> In-Reply-To: <20220728-rpi-analog-tv-properties-v2-36-459522d653a7@cerno.tech> References: <20220728-rpi-analog-tv-properties-v2-0-459522d653a7@cerno.tech> <20220728-rpi-analog-tv-properties-v2-36-459522d653a7@cerno.tech> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Mailman-Approved-At: Tue, 06 Sep 2022 20:31:03 +0000 Subject: Re: [Nouveau] [PATCH v2 36/41] drm/sun4i: tv: Merge mode_set into atomic_enable X-BeenThere: nouveau@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Nouveau development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dom Cobley , nouveau@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi@lists.linux.dev, Hans de Goede , Geert Uytterhoeven , Maxime Ripard , Mateusz Kwiatkowski , Phil Elwell , linux-arm-kernel@lists.infradead.org Errors-To: nouveau-bounces@lists.freedesktop.org Sender: "Nouveau" Dne ponedeljek, 29. avgust 2022 ob 15:11:50 CEST je Maxime Ripard napisal(a): > Our mode_set implementation can be merged into our atomic_enable > implementation to simplify things, so let's do this. Are you sure this is a good thing in long term? What if user wants to change mode? Unlikely, but why not. Best regards, Jernej > > Signed-off-by: Maxime Ripard > > diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c > b/drivers/gpu/drm/sun4i/sun4i_tv.c > index f7aad995ab5b..3944da9a3c34 100644 > --- a/drivers/gpu/drm/sun4i/sun4i_tv.c > +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c > @@ -359,23 +359,13 @@ static void sun4i_tv_enable(struct drm_encoder > *encoder, { > struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); > struct sun4i_crtc *crtc = drm_crtc_to_sun4i_crtc(encoder->crtc); > - > - DRM_DEBUG_DRIVER("Enabling the TV Output\n"); > - > - sunxi_engine_apply_color_correction(crtc->engine); > - > - regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > - SUN4I_TVE_EN_ENABLE, > - SUN4I_TVE_EN_ENABLE); > -} > - > -static void sun4i_tv_mode_set(struct drm_encoder *encoder, > - struct drm_display_mode *mode, > - struct drm_display_mode *adjusted_mode) > -{ > - struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); > + struct drm_crtc_state *crtc_state = > + drm_atomic_get_new_crtc_state(state, encoder->crtc); > + struct drm_display_mode *mode = &crtc_state->mode; > const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode); > > + DRM_DEBUG_DRIVER("Enabling the TV Output\n"); > + > /* Enable and map the DAC to the output */ > regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > SUN4I_TVE_EN_DAC_MAP_MASK, > @@ -468,12 +458,17 @@ static void sun4i_tv_mode_set(struct drm_encoder > *encoder, > SUN4I_TVE_RESYNC_FIELD : 0)); > > regmap_write(tv->regs, SUN4I_TVE_SLAVE_REG, 0); > + > + sunxi_engine_apply_color_correction(crtc->engine); > + > + regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > + SUN4I_TVE_EN_ENABLE, > + SUN4I_TVE_EN_ENABLE); > } > > static const struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = { > .atomic_disable = sun4i_tv_disable, > .atomic_enable = sun4i_tv_enable, > - .mode_set = sun4i_tv_mode_set, > }; > > static int sun4i_tv_comp_get_modes(struct drm_connector *connector) > > -- > b4 0.10.0-dev-65ba7 From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 8C77AC54EE9 for ; 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[82.149.1.172]) by smtp.gmail.com with ESMTPSA id i6-20020a170906850600b0073d9a0d0cbcsm7193709ejx.72.2022.09.06.13.04.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Sep 2022 13:04:33 -0700 (PDT) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: Maxime Ripard , Ben Skeggs , David Airlie , Chen-Yu Tsai , Thomas Zimmermann , Jani Nikula , Lyude Paul , Philipp Zabel , Maarten Lankhorst , Rodrigo Vivi , Tvrtko Ursulin , Samuel Holland , Karol Herbst , Noralf =?ISO-8859-1?Q?Tr=F8nnes?= , Emma Anholt , Daniel Vetter , Joonas Lahtinen , Maxime Ripard Cc: Maxime Ripard , Hans de Goede , linux-arm-kernel@lists.infradead.org, Phil Elwell , intel-gfx@lists.freedesktop.org, Dave Stevenson , dri-devel@lists.freedesktop.org, Dom Cobley , linux-kernel@vger.kernel.org, nouveau@lists.freedesktop.org, linux-sunxi@lists.linux.dev, Mateusz Kwiatkowski , Geert Uytterhoeven Subject: Re: [PATCH v2 36/41] drm/sun4i: tv: Merge mode_set into atomic_enable Date: Tue, 06 Sep 2022 22:04:32 +0200 Message-ID: <10138422.nUPlyArG6x@kista> In-Reply-To: <20220728-rpi-analog-tv-properties-v2-36-459522d653a7@cerno.tech> References: <20220728-rpi-analog-tv-properties-v2-0-459522d653a7@cerno.tech> <20220728-rpi-analog-tv-properties-v2-36-459522d653a7@cerno.tech> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220906_130438_084994_2B6C03E1 X-CRM114-Status: GOOD ( 18.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Dne ponedeljek, 29. avgust 2022 ob 15:11:50 CEST je Maxime Ripard napisal(a): > Our mode_set implementation can be merged into our atomic_enable > implementation to simplify things, so let's do this. Are you sure this is a good thing in long term? What if user wants to change mode? Unlikely, but why not. Best regards, Jernej > > Signed-off-by: Maxime Ripard > > diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c > b/drivers/gpu/drm/sun4i/sun4i_tv.c > index f7aad995ab5b..3944da9a3c34 100644 > --- a/drivers/gpu/drm/sun4i/sun4i_tv.c > +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c > @@ -359,23 +359,13 @@ static void sun4i_tv_enable(struct drm_encoder > *encoder, { > struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); > struct sun4i_crtc *crtc = drm_crtc_to_sun4i_crtc(encoder->crtc); > - > - DRM_DEBUG_DRIVER("Enabling the TV Output\n"); > - > - sunxi_engine_apply_color_correction(crtc->engine); > - > - regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > - SUN4I_TVE_EN_ENABLE, > - SUN4I_TVE_EN_ENABLE); > -} > - > -static void sun4i_tv_mode_set(struct drm_encoder *encoder, > - struct drm_display_mode *mode, > - struct drm_display_mode *adjusted_mode) > -{ > - struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); > + struct drm_crtc_state *crtc_state = > + drm_atomic_get_new_crtc_state(state, encoder->crtc); > + struct drm_display_mode *mode = &crtc_state->mode; > const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode); > > + DRM_DEBUG_DRIVER("Enabling the TV Output\n"); > + > /* Enable and map the DAC to the output */ > regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > SUN4I_TVE_EN_DAC_MAP_MASK, > @@ -468,12 +458,17 @@ static void sun4i_tv_mode_set(struct drm_encoder > *encoder, > SUN4I_TVE_RESYNC_FIELD : 0)); > > regmap_write(tv->regs, SUN4I_TVE_SLAVE_REG, 0); > + > + sunxi_engine_apply_color_correction(crtc->engine); > + > + regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > + SUN4I_TVE_EN_ENABLE, > + SUN4I_TVE_EN_ENABLE); > } > > static const struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = { > .atomic_disable = sun4i_tv_disable, > .atomic_enable = sun4i_tv_enable, > - .mode_set = sun4i_tv_mode_set, > }; > > static int sun4i_tv_comp_get_modes(struct drm_connector *connector) > > -- > b4 0.10.0-dev-65ba7 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 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 49ECDC38145 for ; Tue, 6 Sep 2022 20:04:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DCEC010EA76; Tue, 6 Sep 2022 20:04:40 +0000 (UTC) Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7BF1010EA76; Tue, 6 Sep 2022 20:04:36 +0000 (UTC) Received: by mail-ed1-x530.google.com with SMTP id w2so16681810edc.0; Tue, 06 Sep 2022 13:04:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=plI2ccCtxFfQQaA/IHicso25P4hNeiGkni4LSwxPbm4=; b=Oa0+iWZ5DBGIMbtbaWYlC5APlU/wi67OB46kQ8Fked1WkqCJO7eSuYV4pXcpMtsrLh h4m8ns9bM2EwwF1pb3EvhBxIuI6zX9ev0R6fn6dUX6ngsdv7SQcvBDNqWnFLGSyURMsG 3t1udFKm1hYrJJ9BkltIYCn31OmFy6AZPUQ8/Sj6T1LlhFdQjhA57LTt7OJxR5vTJLKR IuunwxnSMYyOBJoMqzyfHehMGdq3P/FdVikYQbvRTcieYwm9qSRwWDkFuVFhqCAaAZGj eCCSN7KdX2r0rqA0gSJxLFOqvSdqphm5EeP5zTMWlKZ20BzoIgCkXDmhh8P46XPQ9TEb YhLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=plI2ccCtxFfQQaA/IHicso25P4hNeiGkni4LSwxPbm4=; b=5o13LKN2PkvV/C9fZ56DE8aPboCVafCeagRc5KCDQGrIievs7C5BiKEAx4229tU7C1 LGNEbq++oGbdSwKjZylg8SHZzsVlPz7H1Egq0lPg8t/5ZPEEz9abCQTkoPUtXFUtHxAT NQZBrAExsdiNzDxW1h4PLP3oAKGagLmtabN/jwXuD0Opj+WIjD+dnxuNS3h5UPX3mYq/ ouuudtPwFFP1sOGPjsVjby/0r38hRrAfQiDOiSoMRcT3t90DftPC8x5rbmMBLzxDgiyf sNNJNFrSVCEcxLNjhw+kWw5XEbu6K4KaUIBqtc5HPrluHaK+WcGKCk0xMMZYs7FhUm/0 wteQ== X-Gm-Message-State: ACgBeo0qcwIj7Susj4vc9tFLGsohlan9NeknoTjT0jbw9IJj5gK4CoR+ WkbsmpiqDkAqMT7FO2Jm9Kk= X-Google-Smtp-Source: AA6agR6Kk9aCcEfrY5Ey5jOi/kWmdkQVgNAUGJ16H1QclaprIGEZQnyZQvab5nv2idHUjXMCwzagDQ== X-Received: by 2002:a05:6402:911:b0:44e:a5b4:74f7 with SMTP id g17-20020a056402091100b0044ea5b474f7mr211765edz.249.1662494675009; Tue, 06 Sep 2022 13:04:35 -0700 (PDT) Received: from kista.localnet (82-149-1-172.dynamic.telemach.net. [82.149.1.172]) by smtp.gmail.com with ESMTPSA id i6-20020a170906850600b0073d9a0d0cbcsm7193709ejx.72.2022.09.06.13.04.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Sep 2022 13:04:33 -0700 (PDT) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: Maxime Ripard , Ben Skeggs , David Airlie , Chen-Yu Tsai , Thomas Zimmermann , Jani Nikula , Lyude Paul , Philipp Zabel , Maarten Lankhorst , Rodrigo Vivi , Tvrtko Ursulin , Samuel Holland , Karol Herbst , Noralf =?ISO-8859-1?Q?Tr=F8nnes?= , Emma Anholt , Daniel Vetter , Joonas Lahtinen , Maxime Ripard Subject: Re: [PATCH v2 36/41] drm/sun4i: tv: Merge mode_set into atomic_enable Date: Tue, 06 Sep 2022 22:04:32 +0200 Message-ID: <10138422.nUPlyArG6x@kista> In-Reply-To: <20220728-rpi-analog-tv-properties-v2-36-459522d653a7@cerno.tech> References: <20220728-rpi-analog-tv-properties-v2-0-459522d653a7@cerno.tech> <20220728-rpi-analog-tv-properties-v2-36-459522d653a7@cerno.tech> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" 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: Dom Cobley , Dave Stevenson , nouveau@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi@lists.linux.dev, Hans de Goede , Geert Uytterhoeven , Maxime Ripard , Mateusz Kwiatkowski , Phil Elwell , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Dne ponedeljek, 29. avgust 2022 ob 15:11:50 CEST je Maxime Ripard napisal(a): > Our mode_set implementation can be merged into our atomic_enable > implementation to simplify things, so let's do this. Are you sure this is a good thing in long term? What if user wants to change mode? Unlikely, but why not. Best regards, Jernej > > Signed-off-by: Maxime Ripard > > diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c > b/drivers/gpu/drm/sun4i/sun4i_tv.c > index f7aad995ab5b..3944da9a3c34 100644 > --- a/drivers/gpu/drm/sun4i/sun4i_tv.c > +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c > @@ -359,23 +359,13 @@ static void sun4i_tv_enable(struct drm_encoder > *encoder, { > struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); > struct sun4i_crtc *crtc = drm_crtc_to_sun4i_crtc(encoder->crtc); > - > - DRM_DEBUG_DRIVER("Enabling the TV Output\n"); > - > - sunxi_engine_apply_color_correction(crtc->engine); > - > - regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > - SUN4I_TVE_EN_ENABLE, > - SUN4I_TVE_EN_ENABLE); > -} > - > -static void sun4i_tv_mode_set(struct drm_encoder *encoder, > - struct drm_display_mode *mode, > - struct drm_display_mode *adjusted_mode) > -{ > - struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder); > + struct drm_crtc_state *crtc_state = > + drm_atomic_get_new_crtc_state(state, encoder->crtc); > + struct drm_display_mode *mode = &crtc_state->mode; > const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode); > > + DRM_DEBUG_DRIVER("Enabling the TV Output\n"); > + > /* Enable and map the DAC to the output */ > regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > SUN4I_TVE_EN_DAC_MAP_MASK, > @@ -468,12 +458,17 @@ static void sun4i_tv_mode_set(struct drm_encoder > *encoder, > SUN4I_TVE_RESYNC_FIELD : 0)); > > regmap_write(tv->regs, SUN4I_TVE_SLAVE_REG, 0); > + > + sunxi_engine_apply_color_correction(crtc->engine); > + > + regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG, > + SUN4I_TVE_EN_ENABLE, > + SUN4I_TVE_EN_ENABLE); > } > > static const struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = { > .atomic_disable = sun4i_tv_disable, > .atomic_enable = sun4i_tv_enable, > - .mode_set = sun4i_tv_mode_set, > }; > > static int sun4i_tv_comp_get_modes(struct drm_connector *connector) > > -- > b4 0.10.0-dev-65ba7