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drm/amd/display: Return the correct HDCP error code

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BugLink: https://bugs.launchpad.net/bugs/2060531

[ Upstream commit e64b3f55e458ce7e2087a0051f47edabf74545e7 ]

[WHY & HOW]
If the display is null when creating an HDCP session, return a proper
error code.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>
This commit is contained in:
Rodrigo Siqueira
2024-02-14 13:29:51 -07:00
committed by Roxana Nicolescu
parent 19286f701e
commit d5f65ceac9
1 changed files with 3 additions and 0 deletions
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drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
+3
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@@ -513,6 +513,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp)
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
if (!display)
return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
hdcp_cmd->in_msg.hdcp2_create_session_v2.display_handle = display->index;
if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_0)