From patchwork Tue Dec 17 00:45:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Jones X-Patchwork-Id: 11296337 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 558EC930 for ; Tue, 17 Dec 2019 00:45:06 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 3279F21D7D for ; Tue, 17 Dec 2019 00:45:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="Bk4EBqkW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3279F21D7D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6609A6E906; Tue, 17 Dec 2019 00:44:54 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from hqnvemgate24.nvidia.com (hqnvemgate24.nvidia.com [216.228.121.143]) by gabe.freedesktop.org (Postfix) with ESMTPS id AAA136E8FC; Tue, 17 Dec 2019 00:44:50 +0000 (UTC) Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 16 Dec 2019 16:44:23 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 16 Dec 2019 16:44:50 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 16 Dec 2019 16:44:50 -0800 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 17 Dec 2019 00:44:49 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 17 Dec 2019 00:44:49 +0000 Received: from jajones-aftershock.nvidia.com (Not Verified[172.20.42.105]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Mon, 16 Dec 2019 16:44:49 -0800 From: James Jones To: Ben Skeggs Subject: [PATCH v2 3/3] drm/nouveau: Support NVIDIA format modifiers Date: Mon, 16 Dec 2019 16:45:20 -0800 Message-ID: <20191217004520.2404-4-jajones@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191217004520.2404-1-jajones@nvidia.com> References: <20191217004520.2404-1-jajones@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1576543463; bh=sb60gDbcQDMVhr+K6n/p9PfiAVyyPf9UImf9qsg/FO8=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=Bk4EBqkW6AJV2uk8bVjMRwBWhAygoW0WMPwS4L5jA1cRZD/6Qf7iUGt+wMN2YAjsK NgDi8DJLmrKfPEai8VkX9Oy3ItYAOxHMLhigHTRqBMqXZ1/F+xQvdj35m3drqVYiOX qO2eevWSxU2yFu15pIQpSRd/h2iQ9JIRatDzg/AfyZDX1pGDdkE/DD0/XzeCWN11VM 1Z1wf5IN9ghj8jEOUbqXHBVnDLy0Cr/VJk4mY5QUZ1uUvUi+y6eJ76QFtxTJzd98/k DVpF+XaSgbQTBaRCY3Ewowj6UG/xzJRBRwBB31oX42prWfnkMippRq7NxHGxuqEgJA fbk0CyfMJ27bQ== 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: nouveau@lists.freedesktop.org, James Jones , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Allow setting the block layout of a nouveau FB object using DRM format modifiers. When specified, the format modifier block layout and kind overrides the GEM buffer's implicit layout and kind. The specified format modifier is validated against he list of modifiers supported by the target display hardware. v2: Used Tesla family instead of NV50 chipset compare Signed-off-by: James Jones --- drivers/gpu/drm/nouveau/dispnv50/wndw.c | 8 +-- drivers/gpu/drm/nouveau/nouveau_display.c | 65 ++++++++++++++++++++++- drivers/gpu/drm/nouveau/nouveau_display.h | 2 + 3 files changed, 69 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c b/drivers/gpu/drm/nouveau/dispnv50/wndw.c index 70ad64cb2d34..06c1b18479c1 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/wndw.c +++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c @@ -43,7 +43,7 @@ nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct nouveau_framebuffer *fb) { struct nouveau_drm *drm = nouveau_drm(fb->base.dev); struct nv50_wndw_ctxdma *ctxdma; - const u8 kind = fb->nvbo->kind; + const u8 kind = fb->kind; const u32 handle = 0xfb000000 | kind; struct { struct nv_dma_v0 base; @@ -243,7 +243,7 @@ nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset, if (asyw->state.fb != armw->state.fb || !armw->visible || modeset) { asyw->image.w = fb->base.width; asyw->image.h = fb->base.height; - asyw->image.kind = fb->nvbo->kind; + asyw->image.kind = fb->kind; ret = nv50_wndw_atomic_check_acquire_rgb(asyw); if (ret) { @@ -255,9 +255,9 @@ nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset, if (asyw->image.kind) { asyw->image.layout = 0; if (drm->client.device.info.chipset >= 0xc0) - asyw->image.blockh = fb->nvbo->mode >> 4; + asyw->image.blockh = fb->tile_mode >> 4; else - asyw->image.blockh = fb->nvbo->mode; + asyw->image.blockh = fb->tile_mode; asyw->image.blocks[0] = fb->base.pitches[0] / 64; asyw->image.pitch[0] = 0; } else { diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index f1509392d7b7..50e055adebd4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -224,6 +224,50 @@ static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { .create_handle = nouveau_user_framebuffer_create_handle, }; +static int +nouveau_decode_mod(struct nouveau_drm *drm, + uint64_t modifier, + uint32_t *tile_mode, + uint8_t *kind) +{ + struct nouveau_display *disp = nouveau_display(drm->dev); + int mod; + + BUG_ON(!tile_mode || !kind); + + if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { + return -EINVAL; + } + + BUG_ON(!disp->format_modifiers); + + for (mod = 0; + (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) && + (disp->format_modifiers[mod] != modifier); + mod++); + + if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) + return -EINVAL; + + if (modifier == DRM_FORMAT_MOD_LINEAR) { + /* tile_mode will not be used in this case */ + *tile_mode = 0; + *kind = 0; + } else { + /* + * Extract the block height and kind from the corresponding + * modifier fields. See drm_fourcc.h for details. + */ + *tile_mode = (uint32_t)(modifier & 0xF); + *kind = (uint8_t)((modifier >> 12) & 0xFF); + + if (drm->client.device.info.chipset >= 0xc0) + *tile_mode <<= 4; + } + + return 0; +} + static inline uint32_t nouveau_get_width_in_blocks(uint32_t stride) { @@ -300,6 +344,8 @@ nouveau_framebuffer_new(struct drm_device *dev, struct nouveau_framebuffer *fb; const struct drm_format_info *info; unsigned int width, height, i; + uint32_t tile_mode; + uint8_t kind; int ret; /* YUV overlays have special requirements pre-NV50 */ @@ -322,6 +368,18 @@ nouveau_framebuffer_new(struct drm_device *dev, return -EINVAL; } + if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { + if (nouveau_decode_mod(drm, mode_cmd->modifier[0], &tile_mode, + &kind)) { + DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n", + mode_cmd->modifier[0]); + return -EINVAL; + } + } else { + tile_mode = nvbo->mode; + kind = nvbo->kind; + } + info = drm_get_format_info(dev, mode_cmd); for (i = 0; i < info->num_planes; i++) { @@ -332,11 +390,11 @@ nouveau_framebuffer_new(struct drm_device *dev, mode_cmd->height, i); - if (nvbo->kind) { + if (kind) { ret = nouveau_check_bl_size(drm, nvbo, mode_cmd->offsets[i], mode_cmd->pitches[i], - height, nvbo->mode); + height, tile_mode); if (ret) return ret; } else { @@ -352,6 +410,8 @@ nouveau_framebuffer_new(struct drm_device *dev, drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd); fb->nvbo = nvbo; + fb->tile_mode = tile_mode; + fb->kind = kind; ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs); if (ret) @@ -625,6 +685,7 @@ nouveau_display_create(struct drm_device *dev) dev->mode_config.preferred_depth = 24; dev->mode_config.prefer_shadow = 1; + dev->mode_config.allow_fb_modifiers = true; if (drm->client.device.info.chipset < 0x11) dev->mode_config.async_page_flip = false; diff --git a/drivers/gpu/drm/nouveau/nouveau_display.h b/drivers/gpu/drm/nouveau/nouveau_display.h index c54682f00b01..0dad57b21983 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.h +++ b/drivers/gpu/drm/nouveau/nouveau_display.h @@ -15,6 +15,8 @@ struct nouveau_framebuffer { u32 r_handle; u32 r_format; u32 r_pitch; + u32 tile_mode; + u8 kind; struct nvif_object h_base[4]; struct nvif_object h_core; };