From patchwork Fri Oct 11 11:18:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrzej Pietrasiewicz X-Patchwork-Id: 11185239 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 A24ED76 for ; Fri, 11 Oct 2019 11:18:54 +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 4039F214E0 for ; Fri, 11 Oct 2019 11:18:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="JVCR0D9t" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4039F214E0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=O3zA8cToVXlEgCz6TQghyIoXOvNpgsC51aEmKxJx/1I=; b=JVCR0D9t6J7pk8um9p7DhQ+kuB 4TxIkW9F230yOsOoZA+9S1IwToCin0DuWTwb0iQMN0rRV6jSyS61v6uyLlyfK9ATorAfAbrm3SSHt o2Xbf5XiluDwrfPqMxeO7sirfm/NtvH0Z7cXoFpQXsSu/4cjd/1Wgi8xNwpgZNtah03zhY30qTJxr CULYWtOvsx69lUqtYXVfLUdDhC1Ntlv22QakrIssC6kiO6IQRs4EGYuO9zsvsW1mw8AnzwXxp7M/7 N4ihnNSOerCVNZnMFUp+pO2cyDy0rrQwURhzklPzIFfEt61GriVCyrC9n1A38+04USDMPvCta5Ail Yi+xw1tg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iIswf-00067U-Cw; Fri, 11 Oct 2019 11:18:53 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iIswQ-0005sj-HM; Fri, 11 Oct 2019 11:18:40 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: andrzej.p) with ESMTPSA id 5611128D251 From: Andrzej Pietrasiewicz To: dri-devel@lists.freedesktop.org Subject: [PATCH 1/2] drm/arm: Factor out generic afbc helpers Date: Fri, 11 Oct 2019 13:18:10 +0200 Message-Id: <20191011111813.20851-2-andrzej.p@collabora.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191011111813.20851-1-andrzej.p@collabora.com> References: <20191011111813.20851-1-andrzej.p@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191011_041838_838026_504ECEA7 X-CRM114-Status: GOOD ( 17.93 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [46.235.227.227 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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: =?utf-8?q?Heiko_St=C3=BCbner?= , David Airlie , Liviu Dudau , Maarten Lankhorst , Sandy Huang , Maxime Ripard , Andrzej Pietrasiewicz , linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Daniel Vetter , kernel@collabora.com, Sean Paul , Brian Starkey , linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org These are useful for other users of afbc, e.g. rockchip. Signed-off-by: Andrzej Pietrasiewicz --- drivers/gpu/drm/Kconfig | 4 ++ drivers/gpu/drm/Makefile | 1 + drivers/gpu/drm/arm/Kconfig | 1 + drivers/gpu/drm/arm/malidp_drv.c | 58 ++-------------- drivers/gpu/drm/drm_afbc.c | 114 +++++++++++++++++++++++++++++++ include/drm/drm_afbc.h | 25 +++++++ 6 files changed, 149 insertions(+), 54 deletions(-) create mode 100644 drivers/gpu/drm/drm_afbc.c create mode 100644 include/drm/drm_afbc.h diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 3c88420e3497..00e3f90557f4 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -195,6 +195,10 @@ config DRM_SCHED tristate depends on DRM +config DRM_AFBC + tristate + depends on DRM + source "drivers/gpu/drm/i2c/Kconfig" source "drivers/gpu/drm/arm/Kconfig" diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 9f0d2ee35794..55368b668355 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -31,6 +31,7 @@ drm-$(CONFIG_OF) += drm_of.o drm-$(CONFIG_AGP) += drm_agpsupport.o drm-$(CONFIG_DEBUG_FS) += drm_debugfs.o drm_debugfs_crc.o drm-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o +drm-$(CONFIG_DRM_AFBC) += drm_afbc.o drm_vram_helper-y := drm_gem_vram_helper.o \ drm_vram_helper_common.o \ diff --git a/drivers/gpu/drm/arm/Kconfig b/drivers/gpu/drm/arm/Kconfig index a204103b3efb..25c3dc408cda 100644 --- a/drivers/gpu/drm/arm/Kconfig +++ b/drivers/gpu/drm/arm/Kconfig @@ -29,6 +29,7 @@ config DRM_MALI_DISPLAY select DRM_KMS_HELPER select DRM_KMS_CMA_HELPER select DRM_GEM_CMA_HELPER + select DRM_AFBC select VIDEOMODE_HELPERS help Choose this option if you want to compile the ARM Mali Display diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c index f25ec4382277..a67b69e08f63 100644 --- a/drivers/gpu/drm/arm/malidp_drv.c +++ b/drivers/gpu/drm/arm/malidp_drv.c @@ -16,6 +16,7 @@ #include #include +#include #include #include #include @@ -33,8 +34,6 @@ #include "malidp_hw.h" #define MALIDP_CONF_VALID_TIMEOUT 250 -#define AFBC_HEADER_SIZE 16 -#define AFBC_SUPERBLK_ALIGNMENT 128 static void malidp_write_gamma_table(struct malidp_hw_device *hwdev, u32 data[MALIDP_COEFFTAB_NUM_COEFFS]) @@ -275,24 +274,8 @@ malidp_verify_afbc_framebuffer_caps(struct drm_device *dev, mode_cmd->modifier[0]) == false) return false; - if (mode_cmd->offsets[0] != 0) { - DRM_DEBUG_KMS("AFBC buffers' plane offset should be 0\n"); - return false; - } - - switch (mode_cmd->modifier[0] & AFBC_SIZE_MASK) { - case AFBC_SIZE_16X16: - if ((mode_cmd->width % 16) || (mode_cmd->height % 16)) { - DRM_DEBUG_KMS("AFBC buffers must be aligned to 16 pixels\n"); - return false; - } - break; - default: - DRM_DEBUG_KMS("Unsupported AFBC block size\n"); - return false; - } - - return true; + return drm_afbc_check_offset(dev, mode_cmd) && + drm_afbc_check_size_align(dev, mode_cmd); } static bool @@ -300,53 +283,20 @@ malidp_verify_afbc_framebuffer_size(struct drm_device *dev, struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd) { - int n_superblocks = 0; const struct drm_format_info *info; struct drm_gem_object *objs = NULL; - u32 afbc_superblock_size = 0, afbc_superblock_height = 0; - u32 afbc_superblock_width = 0, afbc_size = 0; int bpp = 0; - switch (mode_cmd->modifier[0] & AFBC_SIZE_MASK) { - case AFBC_SIZE_16X16: - afbc_superblock_height = 16; - afbc_superblock_width = 16; - break; - default: - DRM_DEBUG_KMS("AFBC superblock size is not supported\n"); - return false; - } - info = drm_get_format_info(dev, mode_cmd); - - n_superblocks = (mode_cmd->width / afbc_superblock_width) * - (mode_cmd->height / afbc_superblock_height); - bpp = malidp_format_get_bpp(info->format); - afbc_superblock_size = (bpp * afbc_superblock_width * afbc_superblock_height) - / BITS_PER_BYTE; - - afbc_size = ALIGN(n_superblocks * AFBC_HEADER_SIZE, AFBC_SUPERBLK_ALIGNMENT); - afbc_size += n_superblocks * ALIGN(afbc_superblock_size, AFBC_SUPERBLK_ALIGNMENT); - - if ((mode_cmd->width * bpp) != (mode_cmd->pitches[0] * BITS_PER_BYTE)) { - DRM_DEBUG_KMS("Invalid value of (pitch * BITS_PER_BYTE) (=%u) " - "should be same as width (=%u) * bpp (=%u)\n", - (mode_cmd->pitches[0] * BITS_PER_BYTE), - mode_cmd->width, bpp); - return false; - } - objs = drm_gem_object_lookup(file, mode_cmd->handles[0]); if (!objs) { DRM_DEBUG_KMS("Failed to lookup GEM object\n"); return false; } - if (objs->size < afbc_size) { - DRM_DEBUG_KMS("buffer size (%zu) too small for AFBC buffer size = %u\n", - objs->size, afbc_size); + if (!drm_afbc_check_fb_size(dev, mode_cmd, objs, bpp)) { drm_gem_object_put_unlocked(objs); return false; } diff --git a/drivers/gpu/drm/drm_afbc.c b/drivers/gpu/drm/drm_afbc.c new file mode 100644 index 000000000000..3e8a9225fd2e --- /dev/null +++ b/drivers/gpu/drm/drm_afbc.c @@ -0,0 +1,114 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) 2019 Collabora Ltd. + * + * author: Andrzej Pietrasiewicz + * + */ +#include + +#include +#include +#include +#include +#include +#include + +#define AFBC_HEADER_SIZE 16 +#define AFBC_SUPERBLK_ALIGNMENT 128 + +bool drm_afbc_check_offset(struct drm_device *dev, + const struct drm_mode_fb_cmd2 *mode_cmd) +{ + if (mode_cmd->offsets[0] != 0) { + DRM_DEBUG_KMS("AFBC buffers' plane offset should be 0\n"); + return false; + } + + return true; +} +EXPORT_SYMBOL_GPL(drm_afbc_check_offset); + +bool drm_afbc_check_size_align(struct drm_device *dev, + const struct drm_mode_fb_cmd2 *mode_cmd) +{ + + switch (mode_cmd->modifier[0] & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK) { + case AFBC_FORMAT_MOD_BLOCK_SIZE_16x16: + if ((mode_cmd->width % 16) || (mode_cmd->height % 16)) { + DRM_DEBUG_KMS( + "AFBC buffer must be aligned to 16 pixels\n" + ); + return false; + } + break; + case AFBC_FORMAT_MOD_BLOCK_SIZE_32x8: + /* fall through */ + case AFBC_FORMAT_MOD_BLOCK_SIZE_64x4: + /* fall through */ + case AFBC_FORMAT_MOD_BLOCK_SIZE_32x8_64x4: + /* fall through */ + default: + DRM_DEBUG_KMS("Unsupported AFBC block size\n"); + return false; + } + + return true; +} +EXPORT_SYMBOL_GPL(drm_afbc_check_size_align); + +bool drm_afbc_check_fb_size(struct drm_device *dev, + const struct drm_mode_fb_cmd2 *mode_cmd, + struct drm_gem_object *objs, int bpp) +{ + int n_superblocks = 0; + u32 afbc_superblock_size = 0, afbc_superblock_height = 0; + u32 afbc_superblock_width = 0, afbc_size = 0; + + switch (mode_cmd->modifier[0] & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK) { + case AFBC_FORMAT_MOD_BLOCK_SIZE_16x16: + afbc_superblock_height = 16; + afbc_superblock_width = 16; + break; + case AFBC_FORMAT_MOD_BLOCK_SIZE_32x8: + /* fall through */ + case AFBC_FORMAT_MOD_BLOCK_SIZE_64x4: + /* fall through */ + case AFBC_FORMAT_MOD_BLOCK_SIZE_32x8_64x4: + /* fall through */ + default: + DRM_DEBUG_KMS("AFBC superblock size is not supported\n"); + return false; + } + + n_superblocks = (mode_cmd->width / afbc_superblock_width) * + (mode_cmd->height / afbc_superblock_height); + + afbc_superblock_size = + (bpp * afbc_superblock_width * afbc_superblock_height) + / BITS_PER_BYTE; + + afbc_size = ALIGN(n_superblocks * AFBC_HEADER_SIZE, + AFBC_SUPERBLK_ALIGNMENT); + afbc_size += n_superblocks * + ALIGN(afbc_superblock_size, AFBC_SUPERBLK_ALIGNMENT); + + if ((mode_cmd->width * bpp) != (mode_cmd->pitches[0] * BITS_PER_BYTE)) { + DRM_DEBUG_KMS("Invalid value of (pitch * BITS_PER_BYTE) (=%u) should be same as width (=%u) * bpp (=%u)\n", + mode_cmd->pitches[0] * BITS_PER_BYTE, + mode_cmd->width, bpp + ); + return false; + } + + if (objs->size < afbc_size) { + DRM_DEBUG_KMS("buffer size (%zu) too small for AFBC buffer size = %u\n", + objs->size, afbc_size + ); + + return false; + } + + return true; +} +EXPORT_SYMBOL(drm_afbc_check_fb_size); diff --git a/include/drm/drm_afbc.h b/include/drm/drm_afbc.h new file mode 100644 index 000000000000..ce39c850217b --- /dev/null +++ b/include/drm/drm_afbc.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) 2019 Collabora Ltd. + * + * author: Andrzej Pietrasiewicz + * + */ +#ifndef __DRM_AFBC_H__ +#define __DRM_AFBC_H__ + +struct drm_device; +struct drm_mode_fb_cmd2; +struct drm_gem_object; + +bool drm_afbc_check_offset(struct drm_device *dev, + const struct drm_mode_fb_cmd2 *mode_cmd); + +bool drm_afbc_check_size_align(struct drm_device *dev, + const struct drm_mode_fb_cmd2 *mode_cmd); + +bool drm_afbc_check_fb_size(struct drm_device *dev, + const struct drm_mode_fb_cmd2 *mode_cmd, + struct drm_gem_object *objs, int bpp); + +#endif /* __DRM_AFBC_H__ */ From patchwork Fri Oct 11 11:18:11 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrzej Pietrasiewicz X-Patchwork-Id: 11185245 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 CC2F176 for ; Fri, 11 Oct 2019 11:19:10 +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 8D3FB214E0 for ; 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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iIswv-0006Of-5j; Fri, 11 Oct 2019 11:19:09 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iIswS-0005tv-2L; Fri, 11 Oct 2019 11:18:43 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: andrzej.p) with ESMTPSA id 77EA1290DCE From: Andrzej Pietrasiewicz To: dri-devel@lists.freedesktop.org Subject: [PATCH 2/2] drm/rockchip: Add support for afbc Date: Fri, 11 Oct 2019 13:18:11 +0200 Message-Id: <20191011111813.20851-3-andrzej.p@collabora.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191011111813.20851-1-andrzej.p@collabora.com> References: <20191011111813.20851-1-andrzej.p@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191011_041840_390101_4F13F164 X-CRM114-Status: GOOD ( 19.25 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [46.235.227.227 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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: =?utf-8?q?Heiko_St=C3=BCbner?= , David Airlie , Liviu Dudau , Maarten Lankhorst , Sandy Huang , Maxime Ripard , Andrzej Pietrasiewicz , linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Daniel Vetter , kernel@collabora.com, Sean Paul , Brian Starkey , linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This patch adds support for afbc handling. afbc is a compressed format which reduces the necessary memory bandwidth. Co-developed-by: Mark Yao Signed-off-by: Mark Yao Signed-off-by: Andrzej Pietrasiewicz --- drivers/gpu/drm/rockchip/Kconfig | 1 + drivers/gpu/drm/rockchip/rockchip_drm_fb.c | 43 ++++++ drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 140 +++++++++++++++++++- drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 12 ++ drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 86 +++++++++++- 5 files changed, 278 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig index 6f4222f8beeb..ff491efc52a5 100644 --- a/drivers/gpu/drm/rockchip/Kconfig +++ b/drivers/gpu/drm/rockchip/Kconfig @@ -5,6 +5,7 @@ config DRM_ROCKCHIP select DRM_GEM_CMA_HELPER select DRM_KMS_HELPER select DRM_PANEL + select DRM_AFBC select VIDEOMODE_HELPERS select DRM_ANALOGIX_DP if ROCKCHIP_ANALOGIX_DP select DRM_DW_HDMI if ROCKCHIP_DW_HDMI diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index 64ca87cf6d50..873185b3a721 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include #include @@ -18,6 +19,8 @@ #include "rockchip_drm_gem.h" #include "rockchip_drm_psr.h" +#define ROCKCHIP_MAX_AFBC_WIDTH 2560 + static const struct drm_framebuffer_funcs rockchip_drm_fb_funcs = { .destroy = drm_gem_fb_destroy, .create_handle = drm_gem_fb_create_handle, @@ -32,6 +35,46 @@ rockchip_fb_alloc(struct drm_device *dev, const struct drm_mode_fb_cmd2 *mode_cm int ret; int i; + if (mode_cmd->modifier[0]) { + const struct drm_format_info *info; + int bpp; + + if (mode_cmd->modifier[0] & + ~DRM_FORMAT_MOD_ARM_AFBC( + AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | + AFBC_FORMAT_MOD_SPARSE + ) + ) { + DRM_DEV_ERROR(dev->dev, + "Unsupported format modifer 0x%llx\n", + mode_cmd->modifier[0] + ); + + return ERR_PTR(-EINVAL); + } + + if (!drm_afbc_check_offset(dev, mode_cmd)) + return ERR_PTR(-EINVAL); + + if (!drm_afbc_check_size_align(dev, mode_cmd)) + return ERR_PTR(-EINVAL); + + if (mode_cmd->width > ROCKCHIP_MAX_AFBC_WIDTH) { + DRM_DEV_ERROR(dev->dev, + "Unsupported width %d>%d\n", + mode_cmd->width, + ROCKCHIP_MAX_AFBC_WIDTH); + + return ERR_PTR(-EINVAL); + } + + info = drm_get_format_info(dev, mode_cmd); + bpp = info->cpp[0] * 8; + + if (!drm_afbc_check_fb_size(dev, mode_cmd, obj[0], bpp)) + return ERR_PTR(-EINVAL); + } + fb = kzalloc(sizeof(*fb), GFP_KERNEL); if (!fb) return ERR_PTR(-ENOMEM); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 21b68eea46cc..0ac9ab3be3f1 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -90,9 +90,20 @@ #define VOP_WIN_TO_INDEX(vop_win) \ ((vop_win) - (vop_win)->vop->win) +#define VOP_AFBC_SET(vop, name, v) \ + do { \ + if ((vop)->data->afbc) \ + vop_reg_set((vop), &(vop)->data->afbc->name, \ + 0, ~0, v, #name); \ + } while (0) + #define to_vop(x) container_of(x, struct vop, crtc) #define to_vop_win(x) container_of(x, struct vop_win, base) +#define AFBC_FMT_RGB565 0x0 +#define AFBC_FMT_U8U8U8U8 0x5 +#define AFBC_FMT_U8U8U8 0x4 + /* * The coefficients of the following matrix are all fixed points. * The format is S2.10 for the 3x3 part of the matrix, and S9.12 for the offsets. @@ -163,6 +174,7 @@ struct vop { /* optional internal rgb encoder */ struct rockchip_rgb *rgb; + struct vop_win *afbc_win; struct vop_win win[]; }; @@ -271,6 +283,27 @@ static enum vop_data_format vop_convert_format(uint32_t format) } } +static int vop_convert_afbc_format(uint32_t format) +{ + switch (format) { + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + return AFBC_FMT_U8U8U8U8; + case DRM_FORMAT_RGB888: + case DRM_FORMAT_BGR888: + return AFBC_FMT_U8U8U8; + case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: + return AFBC_FMT_RGB565; + default: + DRM_ERROR("unsupported afbc format[%08x]\n", format); + } + + return -EINVAL; +} + static uint16_t scl_vop_cal_scale(enum scale_mode mode, uint32_t src, uint32_t dst, bool is_horizontal, int vsu_mode, int *vskiplines) @@ -587,6 +620,15 @@ static int vop_enable(struct drm_crtc *crtc) vop_win_disable(vop, win); } + + if (vop->data->afbc) { + /* + * Disable AFBC and forget there was a vop window with AFBC + */ + VOP_AFBC_SET(vop, enable, 0); + vop->afbc_win = NULL; + } + spin_unlock(&vop->reg_lock); vop_cfg_done(vop); @@ -671,6 +713,36 @@ static void vop_plane_destroy(struct drm_plane *plane) drm_plane_cleanup(plane); } +static bool rockchip_mod_supported(struct drm_plane *plane, + u32 format, u64 modifier) +{ + const struct drm_format_info *info; + + if (WARN_ON(modifier == DRM_FORMAT_MOD_INVALID)) + return false; + + if (modifier == DRM_FORMAT_MOD_LINEAR) + return true; + + if (modifier & ~DRM_FORMAT_MOD_ARM_AFBC( + AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | + AFBC_FORMAT_MOD_SPARSE + ) + ) { + DRM_DEBUG_KMS("Unsupported format modifer 0x%llx\n", modifier); + + return false; + } + + info = drm_format_info(format); + if (info->num_planes != 1) { + DRM_DEBUG_KMS("AFBC buffers expect one plane\n"); + return false; + } + + return true; +} + static int vop_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) { @@ -719,6 +791,33 @@ static int vop_plane_atomic_check(struct drm_plane *plane, return -EINVAL; } + if (fb->modifier == DRM_FORMAT_MOD_ARM_AFBC( + AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | AFBC_FORMAT_MOD_SPARSE)) { + struct vop *vop = to_vop(crtc); + + if (!vop->data->afbc) { + DRM_ERROR("vop does not support AFBC\n"); + return -EINVAL; + } + + ret = vop_convert_afbc_format(fb->format->format); + if (ret < 0) + return ret; + + if (state->src.x1 || state->src.y1) { + DRM_ERROR("afbc does not support offset display\n"); + DRM_ERROR("xpos=%d, ypos=%d, offset=%d\n", + state->src.x1, state->src.y1, fb->offsets[0]); + return -EINVAL; + } + + if (state->rotation && state->rotation != DRM_MODE_ROTATE_0) { + DRM_ERROR("afbc does not support rotation\n"); + DRM_ERROR("rotation=%d\n", state->rotation); + return -EINVAL; + } + } + return 0; } @@ -735,6 +834,11 @@ static void vop_plane_atomic_disable(struct drm_plane *plane, spin_lock(&vop->reg_lock); vop_win_disable(vop, win); + /* + * Forget about the AFBC window if it is being disabled + */ + if (vop_win == vop->afbc_win) + vop->afbc_win = NULL; spin_unlock(&vop->reg_lock); } @@ -774,6 +878,13 @@ static void vop_plane_atomic_update(struct drm_plane *plane, if (WARN_ON(!vop->is_enabled)) return; + /* + * If updating the AFBC window then assume that + * after the update there will be no AFBC window. + */ + if (vop_win == vop->afbc_win) + vop->afbc_win = NULL; + if (!state->visible) { vop_plane_atomic_disable(plane, old_state); return; @@ -808,6 +919,24 @@ static void vop_plane_atomic_update(struct drm_plane *plane, spin_lock(&vop->reg_lock); + if (fb->modifier == DRM_FORMAT_MOD_ARM_AFBC( + AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | AFBC_FORMAT_MOD_SPARSE)) { + int afbc_format = vop_convert_afbc_format(fb->format->format); + + VOP_AFBC_SET(vop, format, afbc_format | 1 << 4); + VOP_AFBC_SET(vop, hreg_block_split, 0); + VOP_AFBC_SET(vop, win_sel, VOP_WIN_TO_INDEX(vop_win)); + VOP_AFBC_SET(vop, hdr_ptr, dma_addr); + VOP_AFBC_SET(vop, pic_size, act_info); + + /* + * The window being udated becomes the AFBC window + */ + vop->afbc_win = vop_win; + + pr_info("AFBC on plane %s\n", plane->name); + } + VOP_WIN_SET(vop, win, format, format); VOP_WIN_SET(vop, win, yrgb_vir, DIV_ROUND_UP(fb->pitches[0], 4)); VOP_WIN_SET(vop, win, yrgb_mst, dma_addr); @@ -964,6 +1093,7 @@ static const struct drm_plane_funcs vop_plane_funcs = { .reset = drm_atomic_helper_plane_reset, .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, + .format_mod_supported = rockchip_mod_supported, }; static int vop_crtc_enable_vblank(struct drm_crtc *crtc) @@ -1163,6 +1293,10 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc, spin_lock(&vop->reg_lock); + /* + * Enable AFBC if there is some AFBC window, disable otherwise + */ + VOP_AFBC_SET(vop, enable, vop->afbc_win != NULL); vop_cfg_done(vop); spin_unlock(&vop->reg_lock); @@ -1471,7 +1605,8 @@ static int vop_create_crtc(struct vop *vop) 0, &vop_plane_funcs, win_data->phy->data_formats, win_data->phy->nformats, - NULL, win_data->type, NULL); + win_data->phy->format_modifiers, + win_data->type, NULL); if (ret) { DRM_DEV_ERROR(vop->dev, "failed to init plane %d\n", ret); @@ -1511,7 +1646,8 @@ static int vop_create_crtc(struct vop *vop) &vop_plane_funcs, win_data->phy->data_formats, win_data->phy->nformats, - NULL, win_data->type, NULL); + win_data->phy->format_modifiers, + win_data->type, NULL); if (ret) { DRM_DEV_ERROR(vop->dev, "failed to init overlay %d\n", ret); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index 2149a889c29d..371b28b933a9 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h @@ -34,6 +34,16 @@ struct vop_reg { bool relaxed; }; +struct vop_afbc { + struct vop_reg enable; + struct vop_reg win_sel; + struct vop_reg format; + struct vop_reg hreg_block_split; + struct vop_reg pic_size; + struct vop_reg hdr_ptr; + struct vop_reg rstn; +}; + struct vop_modeset { struct vop_reg htotal_pw; struct vop_reg hact_st_end; @@ -128,6 +138,7 @@ struct vop_win_phy { const struct vop_scl_regs *scl; const uint32_t *data_formats; uint32_t nformats; + const uint64_t *format_modifiers; struct vop_reg enable; struct vop_reg gate; @@ -167,6 +178,7 @@ struct vop_data { const struct vop_misc *misc; const struct vop_modeset *modeset; const struct vop_output *output; + const struct vop_afbc *afbc; const struct vop_win_yuv2yuv_data *win_yuv2yuv; const struct vop_win_data *win; unsigned int win_size; diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index 7b9c74750f6d..a3981f037c90 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -44,6 +44,20 @@ static const uint32_t formats_win_full[] = { DRM_FORMAT_NV24, }; +static const uint64_t format_modifiers_win_full[] = { + DRM_FORMAT_MOD_NONE, + DRM_FORMAT_MOD_INVALID, +}; + +static const uint64_t format_modifiers_win_full_afbc[] = { + DRM_FORMAT_MOD_ARM_AFBC( + AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | + AFBC_FORMAT_MOD_SPARSE + ), + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID, +}; + static const uint32_t formats_win_lite[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, @@ -55,6 +69,11 @@ static const uint32_t formats_win_lite[] = { DRM_FORMAT_BGR565, }; +static const uint64_t format_modifiers_win_lite[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID, +}; + static const struct vop_scl_regs rk3036_win_scl = { .scale_yrgb_x = VOP_REG(RK3036_WIN0_SCL_FACTOR_YRGB, 0xffff, 0x0), .scale_yrgb_y = VOP_REG(RK3036_WIN0_SCL_FACTOR_YRGB, 0xffff, 16), @@ -66,6 +85,7 @@ static const struct vop_win_phy rk3036_win0_data = { .scl = &rk3036_win_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(RK3036_SYS_CTRL, 0x1, 0), .format = VOP_REG(RK3036_SYS_CTRL, 0x7, 3), .rb_swap = VOP_REG(RK3036_SYS_CTRL, 0x1, 15), @@ -81,6 +101,7 @@ static const struct vop_win_phy rk3036_win0_data = { static const struct vop_win_phy rk3036_win1_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .enable = VOP_REG(RK3036_SYS_CTRL, 0x1, 1), .format = VOP_REG(RK3036_SYS_CTRL, 0x7, 6), .rb_swap = VOP_REG(RK3036_SYS_CTRL, 0x1, 19), @@ -147,6 +168,7 @@ static const struct vop_data rk3036_vop = { static const struct vop_win_phy rk3126_win1_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .enable = VOP_REG(RK3036_SYS_CTRL, 0x1, 1), .format = VOP_REG(RK3036_SYS_CTRL, 0x7, 6), .rb_swap = VOP_REG(RK3036_SYS_CTRL, 0x1, 19), @@ -226,6 +248,7 @@ static const struct vop_win_phy px30_win0_data = { .scl = &px30_win_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(PX30_WIN0_CTRL0, 0x1, 0), .format = VOP_REG(PX30_WIN0_CTRL0, 0x7, 1), .rb_swap = VOP_REG(PX30_WIN0_CTRL0, 0x1, 12), @@ -241,6 +264,7 @@ static const struct vop_win_phy px30_win0_data = { static const struct vop_win_phy px30_win1_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .enable = VOP_REG(PX30_WIN1_CTRL0, 0x1, 0), .format = VOP_REG(PX30_WIN1_CTRL0, 0x7, 4), .rb_swap = VOP_REG(PX30_WIN1_CTRL0, 0x1, 12), @@ -253,6 +277,7 @@ static const struct vop_win_phy px30_win1_data = { static const struct vop_win_phy px30_win2_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .gate = VOP_REG(PX30_WIN2_CTRL0, 0x1, 4), .enable = VOP_REG(PX30_WIN2_CTRL0, 0x1, 0), .format = VOP_REG(PX30_WIN2_CTRL0, 0x3, 5), @@ -308,6 +333,7 @@ static const struct vop_win_phy rk3066_win0_data = { .scl = &rk3066_win_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(RK3066_SYS_CTRL1, 0x1, 0), .format = VOP_REG(RK3066_SYS_CTRL0, 0x7, 4), .rb_swap = VOP_REG(RK3066_SYS_CTRL0, 0x1, 19), @@ -324,6 +350,7 @@ static const struct vop_win_phy rk3066_win1_data = { .scl = &rk3066_win_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(RK3066_SYS_CTRL1, 0x1, 1), .format = VOP_REG(RK3066_SYS_CTRL0, 0x7, 7), .rb_swap = VOP_REG(RK3066_SYS_CTRL0, 0x1, 23), @@ -339,6 +366,7 @@ static const struct vop_win_phy rk3066_win1_data = { static const struct vop_win_phy rk3066_win2_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .enable = VOP_REG(RK3066_SYS_CTRL1, 0x1, 2), .format = VOP_REG(RK3066_SYS_CTRL0, 0x7, 10), .rb_swap = VOP_REG(RK3066_SYS_CTRL0, 0x1, 27), @@ -418,6 +446,7 @@ static const struct vop_win_phy rk3188_win0_data = { .scl = &rk3188_win_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(RK3188_SYS_CTRL, 0x1, 0), .format = VOP_REG(RK3188_SYS_CTRL, 0x7, 3), .rb_swap = VOP_REG(RK3188_SYS_CTRL, 0x1, 15), @@ -432,6 +461,7 @@ static const struct vop_win_phy rk3188_win0_data = { static const struct vop_win_phy rk3188_win1_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .enable = VOP_REG(RK3188_SYS_CTRL, 0x1, 1), .format = VOP_REG(RK3188_SYS_CTRL, 0x7, 6), .rb_swap = VOP_REG(RK3188_SYS_CTRL, 0x1, 19), @@ -537,6 +567,7 @@ static const struct vop_win_phy rk3288_win01_data = { .scl = &rk3288_win_full_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 0), .format = VOP_REG(RK3288_WIN0_CTRL0, 0x7, 1), .rb_swap = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 12), @@ -555,6 +586,7 @@ static const struct vop_win_phy rk3288_win01_data = { static const struct vop_win_phy rk3288_win23_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .enable = VOP_REG(RK3288_WIN2_CTRL0, 0x1, 4), .gate = VOP_REG(RK3288_WIN2_CTRL0, 0x1, 0), .format = VOP_REG(RK3288_WIN2_CTRL0, 0x7, 1), @@ -667,6 +699,7 @@ static const struct vop_win_phy rk3368_win01_data = { .scl = &rk3288_win_full_scl, .data_formats = formats_win_full, .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full, .enable = VOP_REG(RK3368_WIN0_CTRL0, 0x1, 0), .format = VOP_REG(RK3368_WIN0_CTRL0, 0x7, 1), .rb_swap = VOP_REG(RK3368_WIN0_CTRL0, 0x1, 12), @@ -687,6 +720,7 @@ static const struct vop_win_phy rk3368_win01_data = { static const struct vop_win_phy rk3368_win23_data = { .data_formats = formats_win_lite, .nformats = ARRAY_SIZE(formats_win_lite), + .format_modifiers = format_modifiers_win_lite, .gate = VOP_REG(RK3368_WIN2_CTRL0, 0x1, 0), .enable = VOP_REG(RK3368_WIN2_CTRL0, 0x1, 4), .format = VOP_REG(RK3368_WIN2_CTRL0, 0x3, 5), @@ -798,6 +832,53 @@ static const struct vop_win_yuv2yuv_data rk3399_vop_big_win_yuv2yuv_data[] = { .y2r_en = VOP_REG(RK3399_YUV2YUV_WIN, 0x1, 9) }, { .base = 0xC0, .phy = &rk3399_yuv2yuv_win23_data }, { .base = 0x120, .phy = &rk3399_yuv2yuv_win23_data }, + +}; + +static const struct vop_win_phy rk3399_win01_data = { + .scl = &rk3288_win_full_scl, + .data_formats = formats_win_full, + .nformats = ARRAY_SIZE(formats_win_full), + .format_modifiers = format_modifiers_win_full_afbc, + .enable = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 0), + .format = VOP_REG(RK3288_WIN0_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 12), + .y_mir_en = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 22), + .act_info = VOP_REG(RK3288_WIN0_ACT_INFO, 0x1fff1fff, 0), + .dsp_info = VOP_REG(RK3288_WIN0_DSP_INFO, 0x0fff0fff, 0), + .dsp_st = VOP_REG(RK3288_WIN0_DSP_ST, 0x1fff1fff, 0), + .yrgb_mst = VOP_REG(RK3288_WIN0_YRGB_MST, 0xffffffff, 0), + .uv_mst = VOP_REG(RK3288_WIN0_CBR_MST, 0xffffffff, 0), + .yrgb_vir = VOP_REG(RK3288_WIN0_VIR, 0x3fff, 0), + .uv_vir = VOP_REG(RK3288_WIN0_VIR, 0x3fff, 16), + .src_alpha_ctl = VOP_REG(RK3288_WIN0_SRC_ALPHA_CTRL, 0xff, 0), + .dst_alpha_ctl = VOP_REG(RK3288_WIN0_DST_ALPHA_CTRL, 0xff, 0), +}; + +/* + * rk3399 vop big windows register layout is same as rk3288, but we + * have a separate rk3399 win data array here so that we can advertise + * AFBC on the primary plane. + */ +static const struct vop_win_data rk3399_vop_win_data[] = { + { .base = 0x00, .phy = &rk3399_win01_data, + .type = DRM_PLANE_TYPE_PRIMARY }, + { .base = 0x40, .phy = &rk3288_win01_data, + .type = DRM_PLANE_TYPE_OVERLAY }, + { .base = 0x00, .phy = &rk3288_win23_data, + .type = DRM_PLANE_TYPE_OVERLAY }, + { .base = 0x50, .phy = &rk3288_win23_data, + .type = DRM_PLANE_TYPE_CURSOR }, +}; + +static const struct vop_afbc rk3399_vop_afbc = { + .rstn = VOP_REG(RK3399_AFBCD0_CTRL, 0x1, 3), + .enable = VOP_REG(RK3399_AFBCD0_CTRL, 0x1, 0), + .win_sel = VOP_REG(RK3399_AFBCD0_CTRL, 0x3, 1), + .format = VOP_REG(RK3399_AFBCD0_CTRL, 0x1f, 16), + .hreg_block_split = VOP_REG(RK3399_AFBCD0_CTRL, 0x1, 21), + .hdr_ptr = VOP_REG(RK3399_AFBCD0_HDR_PTR, 0xffffffff, 0), + .pic_size = VOP_REG(RK3399_AFBCD0_PIC_SIZE, 0xffffffff, 0), }; static const struct vop_data rk3399_vop_big = { @@ -807,9 +888,10 @@ static const struct vop_data rk3399_vop_big = { .common = &rk3288_common, .modeset = &rk3288_modeset, .output = &rk3399_output, + .afbc = &rk3399_vop_afbc, .misc = &rk3368_misc, - .win = rk3368_vop_win_data, - .win_size = ARRAY_SIZE(rk3368_vop_win_data), + .win = rk3399_vop_win_data, + .win_size = ARRAY_SIZE(rk3399_vop_win_data), .win_yuv2yuv = rk3399_vop_big_win_yuv2yuv_data, };