From patchwork Thu Oct 10 09:25:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 11182995 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 EB60D1709 for ; Thu, 10 Oct 2019 09:25:42 +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 D3C092064A for ; Thu, 10 Oct 2019 09:25:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D3C092064A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.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 2677C6EAD5; Thu, 10 Oct 2019 09:25:38 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by gabe.freedesktop.org (Postfix) with ESMTPS id 569896EAD4 for ; Thu, 10 Oct 2019 09:25:34 +0000 (UTC) Received: by mail-wr1-x443.google.com with SMTP id y19so6958474wrd.3 for ; Thu, 10 Oct 2019 02:25:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Q796W5lCrOlBeYw4MY5ZW1Ge769i9KDbYUuSGZdulMc=; b=qZ6jtqJ9U0GxnzoD/wz4O3FWVXJ+0GrxKiDeT5UiqLbKlQFc25BKr8i/qCjAOLCwVD nv8uUK5thejbVV6Ay7rWRidJ/HspWCmJ+I+QeYbK7jA2QNFiJagCZdmbmUuSHemHKCGv C7B4pkNZk7HZOb1Qx17fyDQDH7Vw0DPBviShO/U9NKIs1bMosmkRvBrh1h7qMfQg24BS 8x6YVZVGzK/FAOuQaMMU/9bZh8m3qKFyFbD3ob1Ll/AI958EY/1hcBG8lbL4Km/vhKMK 72Jcu6LDNxGIhtz5dWW+eT0/sKlgNXcEdBNQ0GwzTT+hcBVg2CT2GE4zdLguDieixrwM 2jNA== X-Gm-Message-State: APjAAAWrPQH4HT3nKFxKUljzRsLRCWvB7cybpxOUSBZgn2Z5+XRS2axJ TyMZ+0LFulHPvpfgLdo9vinqt2ExL36MLg== X-Google-Smtp-Source: APXvYqwKubvI163AjKpiWm3WxXkLHlCbwuriy7YXgaNg6/Vwf651tSLXofk+sFz4DWKWKPXgi0p98A== X-Received: by 2002:a5d:6383:: with SMTP id p3mr7656213wru.117.1570699532446; Thu, 10 Oct 2019 02:25:32 -0700 (PDT) Received: from bender.baylibre.local (lmontsouris-657-1-212-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id s10sm8373770wmf.48.2019.10.10.02.25.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Oct 2019 02:25:32 -0700 (PDT) From: Neil Armstrong To: dri-devel@lists.freedesktop.org Subject: [PATCH 4/7] drm/meson: plane: add support for AFBC mode for OSD1 plane Date: Thu, 10 Oct 2019 11:25:23 +0200 Message-Id: <20191010092526.10419-5-narmstrong@baylibre.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20191010092526.10419-1-narmstrong@baylibre.com> References: <20191010092526.10419-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Q796W5lCrOlBeYw4MY5ZW1Ge769i9KDbYUuSGZdulMc=; b=nkPve5nUP0qCs+2VrEq4+ztP8zqixsrvOOATLUbGRseF6bGtiHtWimb/YlbLRBvae8 IUOrNO0kNEgxovb6snQwtX0EZ8ptsglWsD4EbJYUANkY886mp2GGfcPo3r+yRrxY/G0/ EXmvfSLxtMDWrVSPyElzjUteUnvjnNVWwdp6n2TTHmL8z0x3Kq/r0OoUxEPZYRTYxfYV Wp+k0u3NjFkkCD9uU09reSXr188siiA/559sRf0VC2KnhQIr7vnhD03f3OdLJ7qYrczV LaWftBVuzAx36I0ZqIa7QYGNNrjd/U+wyMJ/x/utfLwSQJMGiCHMSpvKH6/2vepUyi9D osDw== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: khilman@baylibre.com, linux-amlogic@lists.infradead.org, ayan.halder@arm.com, linux-arm-kernel@lists.infradead.org, Neil Armstrong Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This adds all the OSD configuration plumbing to support the AFBC decoders path to display of the OSD1 plane. The Amlogic GXM and G12A AFBC decoders are integrated very differently. The Amlogic GXM has a direct output path to the OSD1 VIU pixel input, because the GXM AFBC decoder seem to be a custom IP developed by Amlogic. On the other side, the Amlogic G12A AFBC decoder seems to be an external IP that emit pixels on an AXI master hooked to a "Mali Unpack" block feeding the OSD1 VIU pixel input. This uses a weird "0x1000000" internal HW physical address on both sides to transfer the pixels. For Amlogic GXM, the supported pixel formats are the same as the normal linear OSD1 mode. On the other side, Amlogic added support for all AFBC v1.2 formats for the G12A AFBC integration. For simplicity, we stick to the already supported formats for now. Signed-off-by: Neil Armstrong --- drivers/gpu/drm/meson/meson_crtc.c | 2 + drivers/gpu/drm/meson/meson_drv.h | 4 + drivers/gpu/drm/meson/meson_plane.c | 215 ++++++++++++++++++++++++---- 3 files changed, 190 insertions(+), 31 deletions(-) diff --git a/drivers/gpu/drm/meson/meson_crtc.c b/drivers/gpu/drm/meson/meson_crtc.c index 57ae1c13d1e6..d478fa232951 100644 --- a/drivers/gpu/drm/meson/meson_crtc.c +++ b/drivers/gpu/drm/meson/meson_crtc.c @@ -281,6 +281,8 @@ void meson_crtc_irq(struct meson_drm *priv) if (priv->viu.osd1_enabled && priv->viu.osd1_commit) { writel_relaxed(priv->viu.osd1_ctrl_stat, priv->io_base + _REG(VIU_OSD1_CTRL_STAT)); + writel_relaxed(priv->viu.osd1_ctrl_stat2, + priv->io_base + _REG(VIU_OSD1_CTRL_STAT2)); writel_relaxed(priv->viu.osd1_blk0_cfg[0], priv->io_base + _REG(VIU_OSD1_BLK0_CFG_W0)); writel_relaxed(priv->viu.osd1_blk0_cfg[1], diff --git a/drivers/gpu/drm/meson/meson_drv.h b/drivers/gpu/drm/meson/meson_drv.h index 60f13c6f34e5..de25349be8aa 100644 --- a/drivers/gpu/drm/meson/meson_drv.h +++ b/drivers/gpu/drm/meson/meson_drv.h @@ -53,8 +53,12 @@ struct meson_drm { bool osd1_enabled; bool osd1_interlace; bool osd1_commit; + bool osd1_afbcd; uint32_t osd1_ctrl_stat; + uint32_t osd1_ctrl_stat2; uint32_t osd1_blk0_cfg[5]; + uint32_t osd1_blk1_cfg4; + uint32_t osd1_blk2_cfg4; uint32_t osd1_addr; uint32_t osd1_stride; uint32_t osd1_height; diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c index 5e798c276037..412941aa8402 100644 --- a/drivers/gpu/drm/meson/meson_plane.c +++ b/drivers/gpu/drm/meson/meson_plane.c @@ -23,6 +23,7 @@ #include "meson_plane.h" #include "meson_registers.h" #include "meson_viu.h" +#include "meson_osd_afbcd.h" /* OSD_SCI_WH_M1 */ #define SCI_WH_M1_W(w) FIELD_PREP(GENMASK(28, 16), w) @@ -92,12 +93,38 @@ static int meson_plane_atomic_check(struct drm_plane *plane, false, true); } +#define MESON_MOD_AFBC_VALID_BITS (AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | \ + AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 | \ + AFBC_FORMAT_MOD_YTR | \ + AFBC_FORMAT_MOD_SPARSE | \ + AFBC_FORMAT_MOD_SPLIT) + /* Takes a fixed 16.16 number and converts it to integer. */ static inline int64_t fixed16_to_int(int64_t value) { return value >> 16; } +static u32 meson_g12a_afbcd_line_stride(struct meson_drm *priv) +{ + u32 line_stride = 0; + + switch (priv->afbcd.format) { + case DRM_FORMAT_RGB565: + line_stride = ((priv->viu.osd1_width << 4) + 127) >> 7; + break; + case DRM_FORMAT_RGB888: + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + line_stride = ((priv->viu.osd1_width << 5) + 127) >> 7; + break; + } + + return ((line_stride + 1) >> 1) << 1; +} + static void meson_plane_atomic_update(struct drm_plane *plane, struct drm_plane_state *old_state) { @@ -126,57 +153,88 @@ static void meson_plane_atomic_update(struct drm_plane *plane, */ spin_lock_irqsave(&priv->drm->event_lock, flags); + /* Check if AFBC decoder is required for this buffer */ + if ((meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) || + meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) && + fb->modifier & DRM_FORMAT_MOD_ARM_AFBC(MESON_MOD_AFBC_VALID_BITS)) + priv->viu.osd1_afbcd = true; + else + priv->viu.osd1_afbcd = false; + /* Enable OSD and BLK0, set max global alpha */ priv->viu.osd1_ctrl_stat = OSD_ENABLE | (0xFF << OSD_GLOBAL_ALPHA_SHIFT) | OSD_BLK0_ENABLE; + priv->viu.osd1_ctrl_stat2 = readl(priv->io_base + + _REG(VIU_OSD1_CTRL_STAT2)); + canvas_id_osd1 = priv->canvas_id_osd1; /* Set up BLK0 to point to the right canvas */ - priv->viu.osd1_blk0_cfg[0] = ((canvas_id_osd1 << OSD_CANVAS_SEL) | - OSD_ENDIANNESS_LE); + priv->viu.osd1_blk0_cfg[0] = canvas_id_osd1 << OSD_CANVAS_SEL; + + if (priv->viu.osd1_afbcd) { + if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) { + /* This is the internal decoding memory address */ + priv->viu.osd1_blk1_cfg4 = MESON_G12A_AFBCD_OUT_ADDR; + priv->viu.osd1_blk0_cfg[0] |= OSD_ENDIANNESS_BE; + priv->viu.osd1_ctrl_stat2 |= OSD_PENDING_STAT_CLEAN; + } + + if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM)) { + priv->viu.osd1_blk0_cfg[0] |= OSD_ENDIANNESS_LE; + priv->viu.osd1_ctrl_stat2 |= OSD_DPATH_MALI_AFBCD; + } + } else { + priv->viu.osd1_blk0_cfg[0] |= OSD_ENDIANNESS_LE; + + if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM)) + priv->viu.osd1_ctrl_stat2 &= ~OSD_DPATH_MALI_AFBCD; + } /* On GXBB, Use the old non-HDR RGB2YUV converter */ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB)) priv->viu.osd1_blk0_cfg[0] |= OSD_OUTPUT_COLOR_RGB; + if (priv->viu.osd1_afbcd && + meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) { + priv->viu.osd1_blk0_cfg[0] |= OSD_MALI_SRC_EN | + priv->afbcd.ops->fmt_to_blk_mode(fb->modifier, + fb->format->format); + } else { + switch (fb->format->format) { + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 | + OSD_COLOR_MATRIX_32_ARGB; + break; + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 | + OSD_COLOR_MATRIX_32_ABGR; + break; + case DRM_FORMAT_RGB888: + priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_24 | + OSD_COLOR_MATRIX_24_RGB; + break; + case DRM_FORMAT_RGB565: + priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_16 | + OSD_COLOR_MATRIX_16_RGB565; + break; + }; + } + switch (fb->format->format) { case DRM_FORMAT_XRGB8888: - /* For XRGB, replace the pixel's alpha by 0xFF */ - writel_bits_relaxed(OSD_REPLACE_EN, OSD_REPLACE_EN, - priv->io_base + _REG(VIU_OSD1_CTRL_STAT2)); - priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 | - OSD_COLOR_MATRIX_32_ARGB; - break; case DRM_FORMAT_XBGR8888: /* For XRGB, replace the pixel's alpha by 0xFF */ - writel_bits_relaxed(OSD_REPLACE_EN, OSD_REPLACE_EN, - priv->io_base + _REG(VIU_OSD1_CTRL_STAT2)); - priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 | - OSD_COLOR_MATRIX_32_ABGR; + priv->viu.osd1_ctrl_stat2 |= OSD_REPLACE_EN; break; case DRM_FORMAT_ARGB8888: - /* For ARGB, use the pixel's alpha */ - writel_bits_relaxed(OSD_REPLACE_EN, 0, - priv->io_base + _REG(VIU_OSD1_CTRL_STAT2)); - priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 | - OSD_COLOR_MATRIX_32_ARGB; - break; case DRM_FORMAT_ABGR8888: /* For ARGB, use the pixel's alpha */ - writel_bits_relaxed(OSD_REPLACE_EN, 0, - priv->io_base + _REG(VIU_OSD1_CTRL_STAT2)); - priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 | - OSD_COLOR_MATRIX_32_ABGR; - break; - case DRM_FORMAT_RGB888: - priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_24 | - OSD_COLOR_MATRIX_24_RGB; - break; - case DRM_FORMAT_RGB565: - priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_16 | - OSD_COLOR_MATRIX_16_RGB565; + priv->viu.osd1_ctrl_stat2 &= ~OSD_REPLACE_EN; break; }; @@ -307,6 +365,16 @@ static void meson_plane_atomic_update(struct drm_plane *plane, priv->viu.osd1_height = fb->height; priv->viu.osd1_width = fb->width; + if (priv->viu.osd1_afbcd) { + priv->afbcd.modifier = fb->modifier; + priv->afbcd.format = fb->format->format; + + /* Calculate decoder write stride */ + if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) + priv->viu.osd1_blk2_cfg4 = + meson_g12a_afbcd_line_stride(priv); + } + if (!meson_plane->enabled) { /* Reset OSD1 before enabling it on GXL+ SoCs */ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) || @@ -346,6 +414,42 @@ static const struct drm_plane_helper_funcs meson_plane_helper_funcs = { .prepare_fb = drm_gem_fb_prepare_fb, }; +static bool meson_plane_format_mod_supported(struct drm_plane *plane, + u32 format, u64 modifier) +{ + struct meson_plane *meson_plane = to_meson_plane(plane); + struct meson_drm *priv = meson_plane->priv; + int i; + + if (modifier == DRM_FORMAT_MOD_INVALID) + return false; + + if (modifier == DRM_FORMAT_MOD_LINEAR) + return true; + + if (!meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) && + !meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) + return false; + + if (modifier & ~DRM_FORMAT_MOD_ARM_AFBC(MESON_MOD_AFBC_VALID_BITS)) + return false; + + for (i = 0 ; i < plane->modifier_count ; ++i) + if (plane->modifiers[i] == modifier) + break; + + if (i == plane->modifier_count) { + DRM_DEBUG_KMS("Unsupported modifier\n"); + return false; + } + + if (priv->afbcd.ops && priv->afbcd.ops->supported_fmt) + return priv->afbcd.ops->supported_fmt(modifier, format); + + DRM_DEBUG_KMS("AFBC Unsupported\n"); + return false; +} + static const struct drm_plane_funcs meson_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, @@ -353,6 +457,7 @@ static const struct drm_plane_funcs meson_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 = meson_plane_format_mod_supported, }; static const uint32_t supported_drm_formats[] = { @@ -364,10 +469,53 @@ static const uint32_t supported_drm_formats[] = { DRM_FORMAT_RGB565, }; +static const uint64_t format_modifiers_afbc_gxm[] = { + DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | + AFBC_FORMAT_MOD_SPARSE | + AFBC_FORMAT_MOD_YTR), + /* SPLIT mandates SPARSE, RGB modes mandates YTR */ + DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | + AFBC_FORMAT_MOD_YTR | + AFBC_FORMAT_MOD_SPARSE | + AFBC_FORMAT_MOD_SPLIT), + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID, +}; + +static const uint64_t format_modifiers_afbc_g12a[] = { + /* + * - TOFIX Support AFBC modifiers for YUV formats (16x16 + TILED) + * - AFBC_FORMAT_MOD_YTR is mandatory since we only support RGB + * - SPLIT is mandatory for performances reasons when in 16x16 + * block size + * - 32x8 block size + SPLIT is mandatory with 4K frame size + * for performances reasons + */ + DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | + AFBC_FORMAT_MOD_YTR | + AFBC_FORMAT_MOD_SPARSE | + AFBC_FORMAT_MOD_SPLIT), + DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 | + AFBC_FORMAT_MOD_YTR | + AFBC_FORMAT_MOD_SPARSE), + DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 | + AFBC_FORMAT_MOD_YTR | + AFBC_FORMAT_MOD_SPARSE | + AFBC_FORMAT_MOD_SPLIT), + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID, +}; + +static const uint64_t format_modifiers_default[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID, +}; + int meson_plane_create(struct meson_drm *priv) { struct meson_plane *meson_plane; struct drm_plane *plane; + const uint64_t *format_modifiers = format_modifiers_default; meson_plane = devm_kzalloc(priv->drm->dev, sizeof(*meson_plane), GFP_KERNEL); @@ -377,11 +525,16 @@ int meson_plane_create(struct meson_drm *priv) meson_plane->priv = priv; plane = &meson_plane->base; + if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM)) + format_modifiers = format_modifiers_afbc_gxm; + else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) + format_modifiers = format_modifiers_afbc_g12a; + drm_universal_plane_init(priv->drm, plane, 0xFF, &meson_plane_funcs, supported_drm_formats, ARRAY_SIZE(supported_drm_formats), - NULL, + format_modifiers, DRM_PLANE_TYPE_PRIMARY, "meson_primary_plane"); drm_plane_helper_add(plane, &meson_plane_helper_funcs);