From patchwork Mon Sep 19 20:17:50 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 9340443 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 263F7601C2 for ; Mon, 19 Sep 2016 20:18:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 16E2628B8F for ; Mon, 19 Sep 2016 20:18:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 09E7329881; Mon, 19 Sep 2016 20:18:15 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 783B828B8F for ; Mon, 19 Sep 2016 20:18:14 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4496E6E5A0; Mon, 19 Sep 2016 20:18:08 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.free-electrons.com (down.free-electrons.com [37.187.137.238]) by gabe.freedesktop.org (Postfix) with ESMTP id 483AF6E59C for ; Mon, 19 Sep 2016 20:18:05 +0000 (UTC) Received: by mail.free-electrons.com (Postfix, from userid 110) id B5E8217F0; Mon, 19 Sep 2016 22:18:03 +0200 (CEST) Received: from localhost (LFbn-1-2281-83.w90-76.abo.wanadoo.fr [90.76.98.83]) by mail.free-electrons.com (Postfix) with ESMTPSA id 7FD74216; Mon, 19 Sep 2016 22:17:53 +0200 (CEST) From: Maxime Ripard To: dri-devel@lists.freedesktop.org Subject: [PATCH 1/3] drm/sun4i: Fix formats usable by the primary plane Date: Mon, 19 Sep 2016 22:17:50 +0200 Message-Id: <20160919201752.28466-1-maxime.ripard@free-electrons.com> X-Mailer: git-send-email 2.9.3 Cc: Daniel Vetter , Chen-Yu Tsai , Maxime Ripard X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Even though all our planes can support the ARGB formats, the lowest plane (ie the primary plane) cannot use the alpha component, otherwise it will just result in the transparent area being entirely black. Since some applications will still require the ARGB format, let's force the format to XRGB to drop the alpha component entirely. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/sun4i/sun4i_backend.c | 9 ++++-- drivers/gpu/drm/sun4i/sun4i_layer.c | 56 ++++++++++++++++++++++++----------- 2 files changed, 46 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c index 3ab560450a82..df7e95ac8e56 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.c +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c @@ -83,8 +83,13 @@ void sun4i_backend_layer_enable(struct sun4i_backend *backend, } EXPORT_SYMBOL(sun4i_backend_layer_enable); -static int sun4i_backend_drm_format_to_layer(u32 format, u32 *mode) +static int sun4i_backend_drm_format_to_layer(struct drm_plane *plane, + u32 format, u32 *mode) { + if ((plane->type == DRM_PLANE_TYPE_PRIMARY) && + (format == DRM_FORMAT_ARGB8888)) + format = DRM_FORMAT_XRGB8888; + switch (format) { case DRM_FORMAT_ARGB8888: *mode = SUN4I_BACKEND_LAY_FBFMT_ARGB8888; @@ -164,7 +169,7 @@ int sun4i_backend_update_layer_formats(struct sun4i_backend *backend, DRM_DEBUG_DRIVER("Switching display backend interlaced mode %s\n", interlaced ? "on" : "off"); - ret = sun4i_backend_drm_format_to_layer(fb->pixel_format, &val); + ret = sun4i_backend_drm_format_to_layer(plane, fb->pixel_format, &val); if (ret) { DRM_DEBUG_DRIVER("Invalid format\n"); return val; diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c index 068ab806309b..ea9a42176bd5 100644 --- a/drivers/gpu/drm/sun4i/sun4i_layer.c +++ b/drivers/gpu/drm/sun4i/sun4i_layer.c @@ -19,7 +19,12 @@ #include "sun4i_drv.h" #include "sun4i_layer.h" -#define SUN4I_NUM_LAYERS 2 +struct sun4i_plane_desc { + enum drm_plane_type type; + u8 pipe; + const uint32_t *formats; + uint32_t nformats; +}; static int sun4i_backend_layer_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) @@ -65,14 +70,35 @@ static const struct drm_plane_funcs sun4i_backend_layer_funcs = { .update_plane = drm_atomic_helper_update_plane, }; -static const uint32_t sun4i_backend_layer_formats[] = { +static const uint32_t sun4i_backend_layer_formats_primary[] = { DRM_FORMAT_ARGB8888, + DRM_FORMAT_RGB888, DRM_FORMAT_XRGB8888, +}; + +static const uint32_t sun4i_backend_layer_formats_overlay[] = { + DRM_FORMAT_ARGB8888, DRM_FORMAT_RGB888, + DRM_FORMAT_XRGB8888, +}; + +static const struct sun4i_plane_desc sun4i_backend_planes[] = { + { + .type = DRM_PLANE_TYPE_PRIMARY, + .pipe = 0, + .formats = sun4i_backend_layer_formats_primary, + .nformats = ARRAY_SIZE(sun4i_backend_layer_formats_primary), + }, + { + .type = DRM_PLANE_TYPE_OVERLAY, + .pipe = 1, + .formats = sun4i_backend_layer_formats_overlay, + .nformats = ARRAY_SIZE(sun4i_backend_layer_formats_overlay), + }, }; static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm, - enum drm_plane_type type) + const struct sun4i_plane_desc *plane) { struct sun4i_drv *drv = drm->dev_private; struct sun4i_layer *layer; @@ -84,10 +110,8 @@ static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm, ret = drm_universal_plane_init(drm, &layer->plane, BIT(0), &sun4i_backend_layer_funcs, - sun4i_backend_layer_formats, - ARRAY_SIZE(sun4i_backend_layer_formats), - type, - NULL); + plane->formats, plane->nformats, + plane->type, NULL); if (ret) { dev_err(drm->dev, "Couldn't initialize layer\n"); return ERR_PTR(ret); @@ -97,7 +121,7 @@ static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm, &sun4i_backend_layer_helper_funcs); layer->drv = drv; - if (type == DRM_PLANE_TYPE_PRIMARY) + if (plane->type == DRM_PLANE_TYPE_PRIMARY) drv->primary = &layer->plane; return layer; @@ -109,8 +133,8 @@ struct sun4i_layer **sun4i_layers_init(struct drm_device *drm) struct sun4i_layer **layers; int i; - layers = devm_kcalloc(drm->dev, SUN4I_NUM_LAYERS, sizeof(**layers), - GFP_KERNEL); + layers = devm_kcalloc(drm->dev, ARRAY_SIZE(sun4i_backend_planes), + sizeof(**layers), GFP_KERNEL); if (!layers) return ERR_PTR(-ENOMEM); @@ -135,13 +159,11 @@ struct sun4i_layer **sun4i_layers_init(struct drm_device *drm) * SoCs that support it, sprites could fill the need for more * layers. */ - for (i = 0; i < SUN4I_NUM_LAYERS; i++) { - enum drm_plane_type type = (i == 0) - ? DRM_PLANE_TYPE_PRIMARY - : DRM_PLANE_TYPE_OVERLAY; + for (i = 0; i < ARRAY_SIZE(sun4i_backend_planes); i++) { + const struct sun4i_plane_desc *plane = &sun4i_backend_planes[i]; struct sun4i_layer *layer = layers[i]; - layer = sun4i_layer_init_one(drm, type); + layer = sun4i_layer_init_one(drm, plane); if (IS_ERR(layer)) { dev_err(drm->dev, "Couldn't initialize %s plane\n", i ? "overlay" : "primary"); @@ -149,10 +171,10 @@ struct sun4i_layer **sun4i_layers_init(struct drm_device *drm) }; DRM_DEBUG_DRIVER("Assigning %s plane to pipe %d\n", - i ? "overlay" : "primary", i); + i ? "overlay" : "primary", plane->pipe); regmap_update_bits(drv->backend->regs, SUN4I_BACKEND_ATTCTL_REG0(i), SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL_MASK, - SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL(i)); + SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL(plane->pipe)); layer->id = i; };