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Message-Id: <20230119133901.1892413-4-cyndis@kapsi.fi>
Date: Thu, 19 Jan 2023 15:39:01 +0200
From: Mikko Perttunen <cyndis@...si.fi>
To: Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>
Cc: Mikko Perttunen <mperttunen@...dia.com>,
linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
dri-devel@...ts.freedesktop.org
Subject: [PATCH 4/4] drm/tegra: firewall: Check for is_addr_reg existence in IMM check
From: Mikko Perttunen <mperttunen@...dia.com>
In the IMM opcode check, don't call is_addr_reg if it's not set.
Fixes: 8cc95f3fd35e ("drm/tegra: Add job firewall")
Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
---
drivers/gpu/drm/tegra/firewall.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/tegra/firewall.c b/drivers/gpu/drm/tegra/firewall.c
index 1824d2db0e2c..d53f890fa689 100644
--- a/drivers/gpu/drm/tegra/firewall.c
+++ b/drivers/gpu/drm/tegra/firewall.c
@@ -97,6 +97,9 @@ static int fw_check_regs_imm(struct tegra_drm_firewall *fw, u32 offset)
{
bool is_addr;
+ if (!fw->client->ops->is_addr_reg)
+ return 0;
+
is_addr = fw->client->ops->is_addr_reg(fw->client->base.dev, fw->class,
offset);
if (is_addr)
--
2.39.0
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