From patchwork Thu Aug 3 11:02:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13339790 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 A2033C04A6A for ; Thu, 3 Aug 2023 11:03:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=yQbDkbtzFCeU+G/4pv/YNQFJdrVofvrlCvAA1TVT4K4=; b=4ogqv6bM4wlXgi ByyFJUKgnW96ji0FmSeBXnRKPsbLeb5tq9Ifo5lvzETrE9xcxldl5ZTVU8+7sIWMKV+/tdtImMw/N kPrWQhN2LlQflIDUCtOHQIWqyrITDkWjOWU5toOD0mRLj1UAL1QAFYRUI5u0D+hR7V2T6ha9N4Pky 3xNtHGDjZqEdx/2lvKUF/uU4ztFK13wOvV/W0oTDnR+ymTi89eHrljFaTqYIvXpT+yKZ+EM0RI9Dp ag5oBcWn7C/s4woGjXKKJO462dt/vbS434zN70f7GV1P31yVeBnaahwhQaYCDLKvrHCNOMfLghBdA zXhyKTF++qY7dzxhW/uA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qRW6w-007cXQ-1r; Thu, 03 Aug 2023 11:03:18 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qRW6D-007bp9-0k; Thu, 03 Aug 2023 11:02:38 +0000 Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 57EFA66071AD; Thu, 3 Aug 2023 12:02:31 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1691060552; bh=zIuIzaHEwa0qol/Hd+tCNwDoAKXf8h/2l/cB7d8v3GQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Po47SfpDrO8QRYfh0Yp8n/3/DG8uV8OPZDWAW5oGlWFlN/OcQldRt9V5K00nt4rBI FatYBUomIfPRUid+uc0kq4gd06Tu/s0EZl4KtRdO7BuDEUbL8yvqGM4SDRxlMLcFy8 XYzqfLAr24pdGftUSjxvLPJ3afUb4I1TZ34PE3auFfrFrAROZ7BYhy9DQIpc1xPsA9 HSpcyh/fKLfxpSD98o2M9fCHbrU011baabPTI7wnrwxirP9LjkAfdjO6EdLWAv4bjM oZS+ueRN48f8iF6IPmkp8/sCj0qhxDEbJk3gAsSSw32YCh5V2Rjy9Au478njkV/Tn7 9Fgnz3RmIVHyg== From: AngeloGioacchino Del Regno To: chunkuang.hu@kernel.org Cc: p.zabel@pengutronix.de, airlied@gmail.com, daniel@ffwll.ch, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, wenst@chromium.org, kernel@collabora.com, ehristev@collabora.com, "Jason-JH . Lin" , Alexandre Mergnat Subject: [PATCH v9 12/16] drm/mediatek: gamma: Make sure relay mode is disabled Date: Thu, 3 Aug 2023 13:02:10 +0200 Message-ID: <20230803110214.163645-13-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230803110214.163645-1-angelogioacchino.delregno@collabora.com> References: <20230803110214.163645-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230803_040233_480849_9C62C22D X-CRM114-Status: GOOD ( 11.24 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Disable relay mode at the end of LUT programming to make sure that the processed image goes through in both DISP_GAMMA and DISP_AAL for gamma setting. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Jason-JH.Lin Reviewed-by: Alexandre Mergnat --- drivers/gpu/drm/mediatek/mtk_disp_aal.c | 3 +++ drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 4 ++++ 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_aal.c b/drivers/gpu/drm/mediatek/mtk_disp_aal.c index 21b25470e9b7..992dc1424c91 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_aal.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_aal.c @@ -122,6 +122,9 @@ void mtk_aal_gamma_set(struct device *dev, struct drm_crtc_state *state) writel(word, (aal->regs + DISP_AAL_GAMMA_LUT) + (i * 4)); } + /* Disable RELAY mode to pass the processed image */ + cfg_val &= ~AAL_RELAY_MODE; + writel(cfg_val, aal->regs + DISP_AAL_CFG); } diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c index 7d2f8042ace0..fbff9f97b737 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c @@ -19,6 +19,7 @@ #define DISP_GAMMA_EN 0x0000 #define GAMMA_EN BIT(0) #define DISP_GAMMA_CFG 0x0020 +#define GAMMA_RELAY_MODE BIT(0) #define GAMMA_LUT_EN BIT(1) #define GAMMA_DITHERING BIT(2) #define DISP_GAMMA_SIZE 0x0030 @@ -177,6 +178,9 @@ void mtk_gamma_set(struct device *dev, struct drm_crtc_state *state) /* Enable the gamma table */ cfg_val |= FIELD_PREP(GAMMA_LUT_EN, 1); + /* Disable RELAY mode to pass the processed image */ + cfg_val &= ~GAMMA_RELAY_MODE; + writel(cfg_val, gamma->regs + DISP_GAMMA_CFG); }