From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BAE58C3F2D1 for ; Thu, 5 Mar 2020 20:13:06 +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 90363207FD for ; Thu, 5 Mar 2020 20:13:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=poorly.run header.i=@poorly.run header.b="YQfNQF62" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 90363207FD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=poorly.run 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 B58066EC1F; Thu, 5 Mar 2020 20:12:47 +0000 (UTC) Received: from mail-yw1-xc44.google.com (mail-yw1-xc44.google.com [IPv6:2607:f8b0:4864:20::c44]) by gabe.freedesktop.org (Postfix) with ESMTPS id DA2E36EC16 for ; Thu, 5 Mar 2020 20:12:45 +0000 (UTC) Received: by mail-yw1-xc44.google.com with SMTP id v138so1707488ywa.9 for ; Thu, 05 Mar 2020 12:12:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=poorly.run; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ThcSwapMBM1N+zhLsQFzf9h75I4S6chXt4AMtqzXZcM=; b=YQfNQF62X4cwlFEiPvbHY8Ao31fBekSaYYHsLfCeXcx9g+gnlo+S0dNMD3cF39Do/B xaVFKR0c16S+2Ed5Q6zmkYgNiw/pIxAgsIIn0u3NaquB0u3RIEo8RCKdUJpvEo7tBrJd ZgNuL0oFLNLo5FznSQjMQPb60YbO5D8lP4vAsxtC6O36HjlSCbS3ayGR9GtslkPjDefg R2seX3RQGYnZSf98jD5DOZyayRyFi8jW56Ovh/XEsdGZSayi+5HlA5BBA7OOn3D/nHmj dsk7pKzTFnqsY/sOrSUIXxNnfL6/kV0UQful82RnVzKMYkX3BYoy7m1MwQaVAkzbBIhV ooBQ== 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=ThcSwapMBM1N+zhLsQFzf9h75I4S6chXt4AMtqzXZcM=; b=GFIZvqbymYrD24NAlTvNy3dTFIQP5pXXQRq80DrtcLUWO7xeMukMWHIhM36JmUBjrH A6gIigzVjpq4OdlVXFpW2VYng0Wsx045SVLU5vAQjw9mmNUEzoflhnxnWO1OzyjBti+R /IDHnZ5aTpFeJwrPvZQoZXquRTfygJq4WXtLitU6VWLUZB0qORNkQkZwZlez+vGE4996 llNCoEda8Dic2Zx6u/Rb/uNsGtEbFu2RYK+w19UIwZX1hQ0Q8ZsfHZhE/ha1+wpFEv3D 8B8UfTRuab+Bqzf4zg9RakHJhk2I+hwQUiqDYZ3u1gbOjPQ+33h2X1XKB/bM/svShDC6 RV/A== X-Gm-Message-State: ANhLgQ0BhtCoae7mpMeHOWc1N5nyWrWxvGyRDJEK1fE4wHorH4uo7/Qs WOjnEdbtpfDomrNZUZjJBnWDw1Kb9LU= X-Google-Smtp-Source: ADFU+vvRv9DRfFHNTSCPrraNglaUzN1YOJiuXe7KtFVxKt+HMZ3EE6Pg3y1W2zxAq5/i3TiomzpO+Q== X-Received: by 2002:a81:ac43:: with SMTP id z3mr154308ywj.158.1583439164767; Thu, 05 Mar 2020 12:12:44 -0800 (PST) Received: from localhost ([2620:0:1013:11:1e1:4760:6ce4:fc64]) by smtp.gmail.com with ESMTPSA id l16sm6599666ywl.33.2020.03.05.12.12.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Mar 2020 12:12:44 -0800 (PST) From: Sean Paul To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Subject: [PATCH v5 06/16] drm/i915: Factor out hdcp->value assignments Date: Thu, 5 Mar 2020 15:12:26 -0500 Message-Id: <20200305201236.152307-7-sean@poorly.run> X-Mailer: git-send-email 2.25.1.481.gfbce0eb801-goog In-Reply-To: <20200305201236.152307-1-sean@poorly.run> References: <20200305201236.152307-1-sean@poorly.run> MIME-Version: 1.0 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: daniel.vetter@ffwll.ch, Sean Paul , juston.li@intel.com, rodrigo.vivi@intel.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Sean Paul This is a bit of housecleaning for a future patch. Instead of sprinkling hdcp->value assignments and prop_work scheduling everywhere, introduce a function to do it for us. Reviewed-by: Ramalingam C Signed-off-by: Sean Paul Link: https://patchwork.freedesktop.org/patch/msgid/20191203173638.94919-7-sean@poorly.run #v1 Link: https://patchwork.freedesktop.org/patch/msgid/20191212190230.188505-7-sean@poorly.run #v2 Link: https://patchwork.freedesktop.org/patch/msgid/20200117193103.156821-7-sean@poorly.run #v3 Link: https://patchwork.freedesktop.org/patch/msgid/20200218220242.107265-7-sean@poorly.run #v4 Changes in v2: -None Changes in v3: -None Changes in v4: -Rebased on top of drm_* logging changes Changes in v5: -Change WARN_ON to drm_WARN_ON --- drivers/gpu/drm/i915/display/intel_hdcp.c | 67 ++++++++++++++++------- 1 file changed, 46 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index d61bfea3fd28f..dfa792ee90ecd 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -880,6 +880,21 @@ struct intel_connector *intel_hdcp_to_connector(struct intel_hdcp *hdcp) return container_of(hdcp, struct intel_connector, hdcp); } +static void intel_hdcp_update_value(struct intel_connector *connector, + u64 value, bool update_property) +{ + struct intel_hdcp *hdcp = &connector->hdcp; + + drm_WARN_ON(connector->base.dev, !mutex_is_locked(&hdcp->mutex)); + + if (hdcp->value == value) + return; + + hdcp->value = value; + if (update_property) + schedule_work(&hdcp->prop_work); +} + /* Implements Part 3 of the HDCP authorization procedure */ static int intel_hdcp_check_link(struct intel_connector *connector) { @@ -907,15 +922,16 @@ static int intel_hdcp_check_link(struct intel_connector *connector) connector->base.name, connector->base.base.id, intel_de_read(dev_priv, HDCP_STATUS(dev_priv, cpu_transcoder, port))); ret = -ENXIO; - hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_DESIRED, + true); goto out; } if (hdcp->shim->check_link(intel_dig_port)) { if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) { - hdcp->value = DRM_MODE_CONTENT_PROTECTION_ENABLED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_ENABLED, true); } goto out; } @@ -927,16 +943,18 @@ static int intel_hdcp_check_link(struct intel_connector *connector) ret = _intel_hdcp_disable(connector); if (ret) { drm_err(&dev_priv->drm, "Failed to disable hdcp (%d)\n", ret); - hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_DESIRED, + true); goto out; } ret = _intel_hdcp_enable(connector); if (ret) { drm_err(&dev_priv->drm, "Failed to enable hdcp (%d)\n", ret); - hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_DESIRED, + true); goto out; } @@ -1771,16 +1789,18 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) "HDCP2.2 link stopped the encryption, %x\n", intel_de_read(dev_priv, HDCP2_STATUS(dev_priv, cpu_transcoder, port))); ret = -ENXIO; - hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_DESIRED, + true); goto out; } ret = hdcp->shim->check_2_2_link(intel_dig_port); if (ret == HDCP_LINK_PROTECTED) { if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) { - hdcp->value = DRM_MODE_CONTENT_PROTECTION_ENABLED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_ENABLED, + true); } goto out; } @@ -1793,8 +1813,9 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) "HDCP2.2 Downstream topology change\n"); ret = hdcp2_authenticate_repeater_topology(connector); if (!ret) { - hdcp->value = DRM_MODE_CONTENT_PROTECTION_ENABLED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_ENABLED, + true); goto out; } drm_dbg_kms(&dev_priv->drm, @@ -1812,8 +1833,8 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) drm_err(&dev_priv->drm, "[%s:%d] Failed to disable hdcp2.2 (%d)\n", connector->base.name, connector->base.base.id, ret); - hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_DESIRED, true); goto out; } @@ -1823,8 +1844,9 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) "[%s:%d] Failed to enable hdcp2.2 (%d)\n", connector->base.name, connector->base.base.id, ret); - hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_DESIRED, + true); goto out; } @@ -2066,8 +2088,9 @@ int intel_hdcp_enable(struct intel_connector *connector, if (!ret) { schedule_delayed_work(&hdcp->check_work, check_link_interval); - hdcp->value = DRM_MODE_CONTENT_PROTECTION_ENABLED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_ENABLED, + true); } mutex_unlock(&hdcp->mutex); @@ -2085,7 +2108,9 @@ int intel_hdcp_disable(struct intel_connector *connector) mutex_lock(&hdcp->mutex); if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) { - hdcp->value = DRM_MODE_CONTENT_PROTECTION_UNDESIRED; + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_UNDESIRED, + false); if (hdcp->hdcp2_encrypted) ret = _intel_hdcp2_disable(connector); else if (hdcp->hdcp_encrypted) -- Sean Paul, Software Engineer, Google / Chromium OS _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36F90C3F2D1 for ; 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Thu, 05 Mar 2020 12:12:44 -0800 (PST) Received: from localhost ([2620:0:1013:11:1e1:4760:6ce4:fc64]) by smtp.gmail.com with ESMTPSA id l16sm6599666ywl.33.2020.03.05.12.12.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Mar 2020 12:12:44 -0800 (PST) From: Sean Paul To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Date: Thu, 5 Mar 2020 15:12:26 -0500 Message-Id: <20200305201236.152307-7-sean@poorly.run> X-Mailer: git-send-email 2.25.1.481.gfbce0eb801-goog In-Reply-To: <20200305201236.152307-1-sean@poorly.run> References: <20200305201236.152307-1-sean@poorly.run> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 06/16] drm/i915: Factor out hdcp->value assignments X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: daniel.vetter@ffwll.ch, Sean Paul Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Sean Paul This is a bit of housecleaning for a future patch. Instead of sprinkling hdcp->value assignments and prop_work scheduling everywhere, introduce a function to do it for us. Reviewed-by: Ramalingam C Signed-off-by: Sean Paul Link: https://patchwork.freedesktop.org/patch/msgid/20191203173638.94919-7-sean@poorly.run #v1 Link: https://patchwork.freedesktop.org/patch/msgid/20191212190230.188505-7-sean@poorly.run #v2 Link: https://patchwork.freedesktop.org/patch/msgid/20200117193103.156821-7-sean@poorly.run #v3 Link: https://patchwork.freedesktop.org/patch/msgid/20200218220242.107265-7-sean@poorly.run #v4 Changes in v2: -None Changes in v3: -None Changes in v4: -Rebased on top of drm_* logging changes Changes in v5: -Change WARN_ON to drm_WARN_ON --- drivers/gpu/drm/i915/display/intel_hdcp.c | 67 ++++++++++++++++------- 1 file changed, 46 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index d61bfea3fd28f..dfa792ee90ecd 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -880,6 +880,21 @@ struct intel_connector *intel_hdcp_to_connector(struct intel_hdcp *hdcp) return container_of(hdcp, struct intel_connector, hdcp); } +static void intel_hdcp_update_value(struct intel_connector *connector, + u64 value, bool update_property) +{ + struct intel_hdcp *hdcp = &connector->hdcp; + + drm_WARN_ON(connector->base.dev, !mutex_is_locked(&hdcp->mutex)); + + if (hdcp->value == value) + return; + + hdcp->value = value; + if (update_property) + schedule_work(&hdcp->prop_work); +} + /* Implements Part 3 of the HDCP authorization procedure */ static int intel_hdcp_check_link(struct intel_connector *connector) { @@ -907,15 +922,16 @@ static int intel_hdcp_check_link(struct intel_connector *connector) connector->base.name, connector->base.base.id, intel_de_read(dev_priv, HDCP_STATUS(dev_priv, cpu_transcoder, port))); ret = -ENXIO; - hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_DESIRED, + true); goto out; } if (hdcp->shim->check_link(intel_dig_port)) { if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) { - hdcp->value = DRM_MODE_CONTENT_PROTECTION_ENABLED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_ENABLED, true); } goto out; } @@ -927,16 +943,18 @@ static int intel_hdcp_check_link(struct intel_connector *connector) ret = _intel_hdcp_disable(connector); if (ret) { drm_err(&dev_priv->drm, "Failed to disable hdcp (%d)\n", ret); - hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_DESIRED, + true); goto out; } ret = _intel_hdcp_enable(connector); if (ret) { drm_err(&dev_priv->drm, "Failed to enable hdcp (%d)\n", ret); - hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_DESIRED, + true); goto out; } @@ -1771,16 +1789,18 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) "HDCP2.2 link stopped the encryption, %x\n", intel_de_read(dev_priv, HDCP2_STATUS(dev_priv, cpu_transcoder, port))); ret = -ENXIO; - hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_DESIRED, + true); goto out; } ret = hdcp->shim->check_2_2_link(intel_dig_port); if (ret == HDCP_LINK_PROTECTED) { if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) { - hdcp->value = DRM_MODE_CONTENT_PROTECTION_ENABLED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_ENABLED, + true); } goto out; } @@ -1793,8 +1813,9 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) "HDCP2.2 Downstream topology change\n"); ret = hdcp2_authenticate_repeater_topology(connector); if (!ret) { - hdcp->value = DRM_MODE_CONTENT_PROTECTION_ENABLED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_ENABLED, + true); goto out; } drm_dbg_kms(&dev_priv->drm, @@ -1812,8 +1833,8 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) drm_err(&dev_priv->drm, "[%s:%d] Failed to disable hdcp2.2 (%d)\n", connector->base.name, connector->base.base.id, ret); - hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_DESIRED, true); goto out; } @@ -1823,8 +1844,9 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) "[%s:%d] Failed to enable hdcp2.2 (%d)\n", connector->base.name, connector->base.base.id, ret); - hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_DESIRED, + true); goto out; } @@ -2066,8 +2088,9 @@ int intel_hdcp_enable(struct intel_connector *connector, if (!ret) { schedule_delayed_work(&hdcp->check_work, check_link_interval); - hdcp->value = DRM_MODE_CONTENT_PROTECTION_ENABLED; - schedule_work(&hdcp->prop_work); + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_ENABLED, + true); } mutex_unlock(&hdcp->mutex); @@ -2085,7 +2108,9 @@ int intel_hdcp_disable(struct intel_connector *connector) mutex_lock(&hdcp->mutex); if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) { - hdcp->value = DRM_MODE_CONTENT_PROTECTION_UNDESIRED; + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_UNDESIRED, + false); if (hdcp->hdcp2_encrypted) ret = _intel_hdcp2_disable(connector); else if (hdcp->hdcp_encrypted) -- Sean Paul, Software Engineer, Google / Chromium OS _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx