From patchwork Fri Oct 11 00:30:18 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Paul X-Patchwork-Id: 3019721 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9975D9F1E1 for ; Fri, 11 Oct 2013 00:37:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 749BB20179 for ; Fri, 11 Oct 2013 00:37:02 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 2F56020166 for ; Fri, 11 Oct 2013 00:37:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B2495E6664 for ; Thu, 10 Oct 2013 17:37:00 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-ie0-f177.google.com (mail-ie0-f177.google.com [209.85.223.177]) by gabe.freedesktop.org (Postfix) with ESMTP id 9C02CE74ED for ; Thu, 10 Oct 2013 17:30:58 -0700 (PDT) Received: by mail-ie0-f177.google.com with SMTP id e14so3448541iej.22 for ; Thu, 10 Oct 2013 17:30:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Zufjcg8m9p/KoZnvfmI9sn/Hrhx+3B1CkTb6DQ+GPNI=; b=dUhKQnHAWNifFvRWEtvN7xuSAU8BFzuigj4/e1H4c6tQwdB1dVfksl03wGxo0e38mZ 46dRW/sZyTs0s5Y+pffObfR9ud9nuDKoSOgVTrChLHCiGTebfLzabes1xqzNg5KOK4wk E8sWj1DBr/B/lsKT3VKe+69My0Q2r1Tw3oOcw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Zufjcg8m9p/KoZnvfmI9sn/Hrhx+3B1CkTb6DQ+GPNI=; b=G09DYMJGJJvJK/V97chSHAIy1cktghNRWsdUiMxCCqLtdfNwHeMDpLbGuKxNi5b1De l727jeroSYi4IpKa2aPOxWr2PBE13iu+YBrRiakFFdNp1o2lipkK8qHRyjspGH2LGmkX yrDTQ+CYnnqKYyGTeYfVxhtNX9VzYKpjKTZPVtQvo48HaEVrV1IvQLr0kqFNryN+EfbB w6qFdKYq3QqKnK0m1f6QRgtOpySGLCzkABEqyGuVWxfdUmlP0cw5v9qLHQDPvKoMqPDp NxuOjwWYYm3/Vuv0pRwx02E6j7z5ladvXqRO7D/JnmPLtNxv3aXAt9Xo1rqMlctFRgx8 NfyA== X-Gm-Message-State: ALoCoQn8trAJB6JP8bB5haGg1y2d4jDso+7ZXgf30g84EzBeEyQPbD3Jp1Txf9k0q2tmyTMH5yVE X-Received: by 10.42.178.9 with SMTP id bk9mr25125icb.88.1381451458216; Thu, 10 Oct 2013 17:30:58 -0700 (PDT) Received: from seanpaul-glaptop.corp.google.com (dhcp-172-19-29-233.mtv.corp.google.com [172.19.29.233]) by mx.google.com with ESMTPSA id p7sm420421iga.3.1969.12.31.16.00.00 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 10 Oct 2013 17:30:57 -0700 (PDT) From: Sean Paul To: dri-devel@lists.freedesktop.org, inki.dae@samsung.com Subject: [PATCH 05/23] drm/exynos: hdmi: Implement initialize op for hdmi Date: Thu, 10 Oct 2013 20:30:18 -0400 Message-Id: <1381451436-10089-6-git-send-email-seanpaul@chromium.org> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1381451436-10089-1-git-send-email-seanpaul@chromium.org> References: <1381451436-10089-1-git-send-email-seanpaul@chromium.org> Cc: marcheu@chromium.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch implements the initialize callback in the hdmi and mixer manager. This allows us to get rid of drm_dev in the drm_hdmi level and track it in the mixer and hdmi drivers. This is one of the things holding back the complete removal of the drm_hdmi layer. Signed-off-by: Sean Paul --- drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 35 ++++++++++++++++++++++++++------ drivers/gpu/drm/exynos/exynos_drm_hdmi.h | 3 ++- drivers/gpu/drm/exynos/exynos_hdmi.c | 18 ++++++++++++---- drivers/gpu/drm/exynos/exynos_mixer.c | 35 +++++++++++++++++++------------- 4 files changed, 66 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c index a1ef3c9..aebcc0e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c @@ -97,6 +97,18 @@ void exynos_mixer_ops_register(struct exynos_mixer_ops *ops) mixer_ops = ops; } +static int drm_hdmi_display_initialize(struct device *dev, + struct drm_device *drm_dev) +{ + struct drm_hdmi_context *ctx = to_context(dev); + + if (hdmi_ops && hdmi_ops->initialize) + return hdmi_ops->initialize(ctx->hdmi_ctx->ctx, drm_dev); + + return 0; +} + + static bool drm_hdmi_is_connected(struct device *dev) { struct drm_hdmi_context *ctx = to_context(dev); @@ -153,6 +165,7 @@ static int drm_hdmi_power_on(struct device *dev, int mode) static struct exynos_drm_display_ops drm_hdmi_display_ops = { .type = EXYNOS_DISPLAY_TYPE_HDMI, + .initialize = drm_hdmi_display_initialize, .is_connected = drm_hdmi_is_connected, .get_edid = drm_hdmi_get_edid, .check_mode = drm_hdmi_check_mode, @@ -257,6 +270,21 @@ static void drm_hdmi_commit(struct device *subdrv_dev) hdmi_ops->commit(ctx->hdmi_ctx->ctx); } +static int drm_hdmi_mgr_initialize(struct device *subdrv_dev, + struct drm_device *drm_dev) +{ + struct drm_hdmi_context *ctx = to_context(subdrv_dev); + int ret = 0; + + if (mixer_ops && mixer_ops->initialize) + ret = mixer_ops->initialize(ctx->mixer_ctx->ctx, drm_dev); + + if (mixer_ops->iommu_on) + mixer_ops->iommu_on(ctx->mixer_ctx->ctx, true); + + return ret; +} + static void drm_hdmi_dpms(struct device *subdrv_dev, int mode) { struct drm_hdmi_context *ctx = to_context(subdrv_dev); @@ -326,6 +354,7 @@ static void drm_mixer_win_disable(struct device *subdrv_dev, int zpos) } static struct exynos_drm_manager_ops drm_hdmi_manager_ops = { + .initialize = drm_hdmi_mgr_initialize, .dpms = drm_hdmi_dpms, .apply = drm_hdmi_apply, .enable_vblank = drm_hdmi_enable_vblank, @@ -372,12 +401,6 @@ static int hdmi_subdrv_probe(struct drm_device *drm_dev, ctx->hdmi_ctx = hdmi_ctx; ctx->mixer_ctx = mixer_ctx; - ctx->hdmi_ctx->drm_dev = drm_dev; - ctx->mixer_ctx->drm_dev = drm_dev; - - if (mixer_ops->iommu_on) - mixer_ops->iommu_on(ctx->mixer_ctx->ctx, true); - return 0; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h index 724cab1..cf7b1da 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h @@ -23,12 +23,12 @@ * this context should be hdmi_context or mixer_context. */ struct exynos_drm_hdmi_context { - struct drm_device *drm_dev; void *ctx; }; struct exynos_hdmi_ops { /* display */ + int (*initialize)(void *ctx, struct drm_device *drm_dev); bool (*is_connected)(void *ctx); struct edid *(*get_edid)(void *ctx, struct drm_connector *connector); @@ -45,6 +45,7 @@ struct exynos_hdmi_ops { struct exynos_mixer_ops { /* manager */ + int (*initialize)(void *ctx, struct drm_device *drm_dev); int (*iommu_on)(void *ctx, bool enable); int (*enable_vblank)(void *ctx, int pipe); void (*disable_vblank)(void *ctx); diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index a0e10ae..a3fba8e 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -742,6 +742,15 @@ static void hdmi_reg_infoframe(struct hdmi_context *hdata, } } +static int hdmi_initialize(void *ctx, struct drm_device *drm_dev) +{ + struct hdmi_context *hdata = ctx; + + hdata->drm_dev = drm_dev; + + return 0; +} + static bool hdmi_is_connected(void *ctx) { struct hdmi_context *hdata = ctx; @@ -1747,6 +1756,7 @@ static void hdmi_dpms(void *ctx, int mode) static struct exynos_hdmi_ops hdmi_ops = { /* display */ + .initialize = hdmi_initialize, .is_connected = hdmi_is_connected, .get_edid = hdmi_get_edid, .check_mode = hdmi_check_mode, @@ -1767,8 +1777,8 @@ static irqreturn_t hdmi_irq_thread(int irq, void *arg) hdata->hpd = gpio_get_value(hdata->hpd_gpio); mutex_unlock(&hdata->hdmi_mutex); - if (ctx->drm_dev) - drm_helper_hpd_irq_event(ctx->drm_dev); + if (hdata->drm_dev) + drm_helper_hpd_irq_event(hdata->drm_dev); return IRQ_HANDLED; } @@ -2026,8 +2036,8 @@ static int hdmi_suspend(struct device *dev) disable_irq(hdata->irq); hdata->hpd = false; - if (ctx->drm_dev) - drm_helper_hpd_irq_event(ctx->drm_dev); + if (hdata->drm_dev) + drm_helper_hpd_irq_event(hdata->drm_dev); if (pm_runtime_suspended(dev)) { DRM_DEBUG_KMS("Already suspended\n"); diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 9634188..2f204c1 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -685,20 +685,25 @@ static void mixer_win_reset(struct mixer_context *ctx) spin_unlock_irqrestore(&res->reg_slock, flags); } +static int mixer_initialize(void *ctx, struct drm_device *drm_dev) +{ + struct mixer_context *mixer_ctx = ctx; + + mixer_ctx->drm_dev = drm_dev; + + return 0; +} + static int mixer_iommu_on(void *ctx, bool enable) { - struct exynos_drm_hdmi_context *drm_hdmi_ctx; struct mixer_context *mdata = ctx; - struct drm_device *drm_dev; - - drm_hdmi_ctx = mdata->parent_ctx; - drm_dev = drm_hdmi_ctx->drm_dev; - if (is_drm_iommu_supported(drm_dev)) { + if (is_drm_iommu_supported(mdata->drm_dev)) { if (enable) - return drm_iommu_attach_device(drm_dev, mdata->dev); + return drm_iommu_attach_device(mdata->drm_dev, + mdata->dev); - drm_iommu_detach_device(drm_dev, mdata->dev); + drm_iommu_detach_device(mdata->drm_dev, mdata->dev); } return 0; } @@ -970,6 +975,7 @@ static void mixer_dpms(void *ctx, int mode) static struct exynos_mixer_ops mixer_ops = { /* manager */ + .initialize = mixer_initialize, .iommu_on = mixer_iommu_on, .enable_vblank = mixer_enable_vblank, .disable_vblank = mixer_disable_vblank, @@ -985,8 +991,7 @@ static struct exynos_mixer_ops mixer_ops = { static irqreturn_t mixer_irq_handler(int irq, void *arg) { - struct exynos_drm_hdmi_context *drm_hdmi_ctx = arg; - struct mixer_context *ctx = drm_hdmi_ctx->ctx; + struct mixer_context *ctx = arg; struct mixer_resources *res = &ctx->mixer_res; u32 val, base, shadow; @@ -995,6 +1000,9 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) /* read interrupt status for handling and clearing flags for VSYNC */ val = mixer_reg_read(res, MXR_INT_STATUS); + if (!ctx->drm_dev) + goto out; + /* handling VSYNC */ if (val & MXR_INT_STATUS_VSYNC) { /* interlace scan need to check shadow register */ @@ -1010,9 +1018,8 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) goto out; } - drm_handle_vblank(drm_hdmi_ctx->drm_dev, ctx->pipe); - exynos_drm_crtc_finish_pageflip(drm_hdmi_ctx->drm_dev, - ctx->pipe); + drm_handle_vblank(ctx->drm_dev, ctx->pipe); + exynos_drm_crtc_finish_pageflip(ctx->drm_dev, ctx->pipe); /* set wait vsync event to zero and wake up queue. */ if (atomic_read(&ctx->wait_vsync_event)) { @@ -1077,7 +1084,7 @@ static int mixer_resources_init(struct exynos_drm_hdmi_context *ctx, } ret = devm_request_irq(dev, res->start, mixer_irq_handler, - 0, "drm_mixer", ctx); + 0, "drm_mixer", mixer_ctx); if (ret) { dev_err(dev, "request interrupt failed.\n"); return ret;