From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0329C1B29DB; Wed, 25 Sep 2024 12:05:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727265904; cv=none; b=F94M8KUwHYZnHnzgXb2SW6oqMkaPsOw2OYa7yqyiklB8Z1MnMnTflHivl8vX1OV5kAqVWqP1vvC2QaURvkUIorUXq9qYtu76l9SmIHt4FFtm47acwB/HuD6NJ+6pS7cY05wzXkcJetXn6cNqfofyEMcSoP/kdVEAY6RHog5MNMI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727265904; c=relaxed/simple; bh=PIrSWSe1p/OzEoLjFK1fW3I3p/lUQ7HiMkPO+JrSeR0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=j+Bsb9RYzYaTQMo2+pR9GHp+4V4HBvq2/mzaY0Ndx9UbvpFd8aHd1Ubchf/ooeGs8mSsqh4YnlJY/Zpy7MDnQGc2hh01HINBA66qCUVMZ98Qu4psnVD+V9KPKG4Q/qA3obz4RzKlaFW6ItWknSQd9FKvlXKb+8ezNqffF8wH0Mw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AmY7EVoe; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AmY7EVoe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87E9EC4CEC3; Wed, 25 Sep 2024 12:05:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727265903; bh=PIrSWSe1p/OzEoLjFK1fW3I3p/lUQ7HiMkPO+JrSeR0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AmY7EVoeHaTWEPHgResZXTfPDdqJqzo83H9heT9qGbEFdSusL5d603ahHOniANjIf WLYrAl/ezmabFUfZOkZ/UX9WW3Ph4H1rC5t6dp1S9MLEfZjLqGtNrcnQByf1/iaZMp tLdbonFMenFGl9fwS8CygAMNEEOOUcovefwj1YRKoGhGiYPLacqnXODl9hBDynNRki NcLkMiaW1gLGWjTYN4Qt1AeWZO21N/pozsUeav/AMw7SX3xDMEPg12zeGOsMgKzJ3U MwVuibbinH4J/D8whftxBQHhKHMwyaFY6DZfDo6dOP35/IVWpoVjBjsx7tYT42KZEz aUrXKKXFJQeWg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Suraj Kandpal , Dnyaneshwar Bhadane , Sasha Levin , jani.nikula@linux.intel.com, rodrigo.vivi@intel.com, lucas.demarchi@intel.com, thomas.hellstrom@linux.intel.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, daniel@ffwll.ch, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.10 121/197] drm/xe/hdcp: Check GSC structure validity Date: Wed, 25 Sep 2024 07:52:20 -0400 Message-ID: <20240925115823.1303019-121-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240925115823.1303019-1-sashal@kernel.org> References: <20240925115823.1303019-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.10.11 Content-Transfer-Encoding: 8bit From: Suraj Kandpal [ Upstream commit b4224f6bae3801d589f815672ec62800a1501b0d ] Sometimes xe_gsc is not initialized when checked at HDCP capability check. Add gsc structure check to avoid null pointer error. Signed-off-by: Suraj Kandpal Reviewed-by: Dnyaneshwar Bhadane Link: https://patchwork.freedesktop.org/patch/msgid/20240722064451.3610512-4-suraj.kandpal@intel.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/xe/display/xe_hdcp_gsc.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c b/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c index b3d3c065dd9d8..2f935771658e6 100644 --- a/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c +++ b/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c @@ -39,10 +39,14 @@ bool intel_hdcp_gsc_check_status(struct xe_device *xe) { struct xe_tile *tile = xe_device_get_root_tile(xe); struct xe_gt *gt = tile->media_gt; + struct xe_gsc *gsc = >->uc.gsc; bool ret = true; - if (!xe_uc_fw_is_enabled(>->uc.gsc.fw)) + if (!gsc && !xe_uc_fw_is_enabled(&gsc->fw)) { + drm_dbg_kms(&xe->drm, + "GSC Components not ready for HDCP2.x\n"); return false; + } xe_pm_runtime_get(xe); if (xe_force_wake_get(gt_to_fw(gt), XE_FW_GSC)) { @@ -52,7 +56,7 @@ bool intel_hdcp_gsc_check_status(struct xe_device *xe) goto out; } - if (!xe_gsc_proxy_init_done(>->uc.gsc)) + if (!xe_gsc_proxy_init_done(gsc)) ret = false; xe_force_wake_put(gt_to_fw(gt), XE_FW_GSC); -- 2.43.0