diff mbox series

[4/4] drm/tegra: firewall: Check for is_addr_reg existence in IMM check

Message ID 20230119133901.1892413-4-cyndis@kapsi.fi (mailing list archive)
State New, archived
Headers show
Series [1/4] arm64: tegra: Mark host1x as dma-coherent on Tegra194/234 | expand

Commit Message

Mikko Perttunen Jan. 19, 2023, 1:39 p.m. UTC 
From: Mikko Perttunen <mperttunen@nvidia.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@nvidia.com>
---
 drivers/gpu/drm/tegra/firewall.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

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)