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 X-Spam-Level: X-Spam-Status: No, score=-6.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B079C31E45 for ; Thu, 13 Jun 2019 15:04:22 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 4B6CF20B7C for ; Thu, 13 Jun 2019 15:04:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Apq4ehpw"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="JYlJSLre" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4B6CF20B7C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Date:Message-Id:MIME-Version:Subject:To :From:References:In-Reply-To:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=YrkmRxL4c0tmLVKUAitU61j7S4qLE44pov3RM+Sb6sg=; b=Apq4ehpwjw35sd YLUeNewjdRP/ksn71EbCNkgQLdDLGdEH2akTSJ2CoOUopg1TXP2gaYnaX03WKtbA/6TTfuOzcNcL7 YiSjEhjGM6rboMzFFliyZcH7kxMO25egINCZGD9yZpcj34/zzYmbMhhFSIezkFeFtnOFDBnSSU15q KNq6dgHvJiiPIOne/T4CCQOg/m5ZvEHvKVSRZeKc8tsx8drW6zgVs3+iYvk9U22/qaoxa2gUOSx9k IwOBw0/Rhz7L79fJa7UgPwYsRGJdmmDpQYZU+JuVfWXnP1AjJKm6n+PfS0KWByzshvP76s/h1sbey bmz5ev4kud+pk+PRoFbw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hbRH2-0003oI-TO; Thu, 13 Jun 2019 15:04:20 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hbRFU-0002RL-HQ for linux-arm-kernel@lists.infradead.org; Thu, 13 Jun 2019 15:02:50 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=JeVMX6aI1+Z/tyR4St48w2936SMKwWSxzsX8PHJe/6Q=; b=JYlJSLreO6FEFhxPxQUz+FRx5/ ckVhvqsmvlPjSFc0IeZWl7NqTgTwKfGUNm2NR/5tY9/PFlhPhZ6BCq8G73ky6bbfsDIsa1iiDlP4G xXorB146z0EnseekxNdhjAE7MXPZlhpb2iSFbYu6YB8eMDFFREgSz2jcCisN4WR277aKFwOAEutrl xu4msBGwd+nW5SmTQTC2RPg3ggAQxrQcQP9di3LboA+xk4byQZc3LtDWBcyHSetczu/SyM9j+BiKC uuSLEREl+Ml7R1oYrctn1PR0ePM+kDgaTy+2zFsSd50i0PB2Gm9QjgRg8JBkesvnkrEk/SFAFX4Xj yWJQ2t9g==; Received: from e0022681537dd.dyn.armlinux.org.uk ([2002:4e20:1eda:1:222:68ff:fe15:37dd]:44836 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.90_1) (envelope-from ) id 1hbRF6-0003jy-Kb; Thu, 13 Jun 2019 16:02:20 +0100 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1hbRF3-00007S-Rr; Thu, 13 Jun 2019 16:02:17 +0100 In-Reply-To: <20190613150114.xqkyb7j7w4ve4yvr@shell.armlinux.org.uk> References: <20190613150114.xqkyb7j7w4ve4yvr@shell.armlinux.org.uk> From: Russell King To: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 07/18] drm/armada: add support for setting gamma MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Thu, 13 Jun 2019 16:02:17 +0100 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190613_080245_707209_3FB8E467 X-CRM114-Status: GOOD ( 15.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , Daniel Vetter Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for setting gamma through both the legacy interfaces and the atomic interfaces. Signed-off-by: Russell King --- drivers/gpu/drm/armada/armada_crtc.c | 63 +++++++++++++++++++++++++++++++++++ drivers/gpu/drm/armada/armada_hw.h | 4 +++ drivers/gpu/drm/armada/armada_plane.c | 2 +- 3 files changed, 68 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index 09bade15f51c..5991feb1bcc9 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -130,6 +130,44 @@ static void armada_drm_crtc_queue_state_event(struct drm_crtc *crtc) } } +static void armada_drm_update_gamma(struct drm_crtc *crtc) +{ + struct drm_property_blob *blob = crtc->state->gamma_lut; + void __iomem *base = drm_to_armada_crtc(crtc)->base; + int i; + + if (blob) { + struct drm_color_lut *lut = blob->data; + + armada_updatel(CFG_CSB_256x8, CFG_CSB_256x8 | CFG_PDWN256x8, + base + LCD_SPU_SRAM_PARA1); + + for (i = 0; i < 256; i++) { + writel_relaxed(drm_color_lut_extract(lut[i].red, 8), + base + LCD_SPU_SRAM_WRDAT); + writel_relaxed(i | SRAM_WRITE | SRAM_GAMMA_YR, + base + LCD_SPU_SRAM_CTRL); + readl_relaxed(base + LCD_SPU_HWC_OVSA_HPXL_VLN); + writel_relaxed(drm_color_lut_extract(lut[i].green, 8), + base + LCD_SPU_SRAM_WRDAT); + writel_relaxed(i | SRAM_WRITE | SRAM_GAMMA_UG, + base + LCD_SPU_SRAM_CTRL); + readl_relaxed(base + LCD_SPU_HWC_OVSA_HPXL_VLN); + writel_relaxed(drm_color_lut_extract(lut[i].blue, 8), + base + LCD_SPU_SRAM_WRDAT); + writel_relaxed(i | SRAM_WRITE | SRAM_GAMMA_VB, + base + LCD_SPU_SRAM_CTRL); + readl_relaxed(base + LCD_SPU_HWC_OVSA_HPXL_VLN); + } + armada_updatel(CFG_GAMMA_ENA, CFG_GAMMA_ENA, + base + LCD_SPU_DMA_CTRL0); + } else { + armada_updatel(0, CFG_GAMMA_ENA, base + LCD_SPU_DMA_CTRL0); + armada_updatel(CFG_PDWN256x8, CFG_CSB_256x8 | CFG_PDWN256x8, + base + LCD_SPU_SRAM_PARA1); + } +} + /* The mode_config.mutex will be held for this call */ static bool armada_drm_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, struct drm_display_mode *adj) @@ -338,6 +376,20 @@ static void armada_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) spin_unlock_irqrestore(&dcrtc->irq_lock, flags); } +static int armada_drm_crtc_atomic_check(struct drm_crtc *crtc, + struct drm_crtc_state *state) +{ + DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name); + + if (state->gamma_lut && drm_color_lut_size(state->gamma_lut) != 256) + return -EINVAL; + + if (state->color_mgmt_changed) + state->planes_changed = true; + + return 0; +} + static void armada_drm_crtc_atomic_begin(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { @@ -345,6 +397,9 @@ static void armada_drm_crtc_atomic_begin(struct drm_crtc *crtc, DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name); + if (crtc->state->color_mgmt_changed) + armada_drm_update_gamma(crtc); + dcrtc->regs_idx = 0; dcrtc->regs = dcrtc->atomic_regs; } @@ -439,6 +494,7 @@ static void armada_drm_crtc_atomic_enable(struct drm_crtc *crtc, static const struct drm_crtc_helper_funcs armada_crtc_helper_funcs = { .mode_fixup = armada_drm_crtc_mode_fixup, .mode_set_nofb = armada_drm_crtc_mode_set_nofb, + .atomic_check = armada_drm_crtc_atomic_check, .atomic_begin = armada_drm_crtc_atomic_begin, .atomic_flush = armada_drm_crtc_atomic_flush, .atomic_disable = armada_drm_crtc_atomic_disable, @@ -702,6 +758,7 @@ static const struct drm_crtc_funcs armada_crtc_funcs = { .cursor_set = armada_drm_crtc_cursor_set, .cursor_move = armada_drm_crtc_cursor_move, .destroy = armada_drm_crtc_destroy, + .gamma_set = drm_atomic_helper_legacy_gamma_set, .set_config = drm_atomic_helper_set_config, .page_flip = drm_atomic_helper_page_flip, .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, @@ -793,6 +850,12 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev, drm_crtc_helper_add(&dcrtc->crtc, &armada_crtc_helper_funcs); + ret = drm_mode_crtc_set_gamma_size(&dcrtc->crtc, 256); + if (ret) + return ret; + + drm_crtc_enable_color_mgmt(&dcrtc->crtc, 0, false, 256); + return armada_overlay_plane_create(drm, 1 << dcrtc->num); err_crtc_init: diff --git a/drivers/gpu/drm/armada/armada_hw.h b/drivers/gpu/drm/armada/armada_hw.h index 345dc4d0851e..babfca71c4db 100644 --- a/drivers/gpu/drm/armada/armada_hw.h +++ b/drivers/gpu/drm/armada/armada_hw.h @@ -169,6 +169,10 @@ enum { SRAM_READ = 0 << 14, SRAM_WRITE = 2 << 14, SRAM_INIT = 3 << 14, + SRAM_GAMMA_YR = 0x0 << 8, + SRAM_GAMMA_UG = 0x1 << 8, + SRAM_GAMMA_VB = 0x2 << 8, + SRAM_PALETTE = 0x3 << 8, SRAM_HWC32_RAM1 = 0xc << 8, SRAM_HWC32_RAM2 = 0xd << 8, SRAM_HWC32_RAMR = SRAM_HWC32_RAM1, diff --git a/drivers/gpu/drm/armada/armada_plane.c b/drivers/gpu/drm/armada/armada_plane.c index 45092fc3598e..dbd4d52e8a32 100644 --- a/drivers/gpu/drm/armada/armada_plane.c +++ b/drivers/gpu/drm/armada/armada_plane.c @@ -265,7 +265,7 @@ static void armada_drm_primary_plane_atomic_disable(struct drm_plane *plane, /* Disable plane and power down most RAMs and FIFOs */ armada_reg_queue_mod(regs, idx, 0, CFG_GRA_ENA, LCD_SPU_DMA_CTRL0); armada_reg_queue_mod(regs, idx, CFG_PDWN256x32 | CFG_PDWN256x24 | - CFG_PDWN256x8 | CFG_PDWN32x32 | CFG_PDWN64x66, + CFG_PDWN32x32 | CFG_PDWN64x66, 0, LCD_SPU_SRAM_PARA1); dcrtc->regs_idx += idx; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel