From: Mikko Perttunen mperttunen@nvidia.com
[ Upstream commit 1b5c09de25e8c08655c270a70e5e74e93b6bad1f ]
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 Signed-off-by: Thierry Reding treding@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 1824d2db0e2ce..d53f890fa6893 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)