[PATCH 1/1][SRU][OEM-6.0/Unstable] UBUNTU: SAUCE: drm/amd/display: Enable dpia support for dcn314

[You-Sheng Yang]

From: Roman Li <roman.li at amd.com>

BugLink: https://bugs.launchpad.net/bugs/1992723

[Why]
DCN 3.1.4 supports DPIA.

[How]
 - Set dpia_supported flag for dcn314 in dmub_hw_init()
 - Remove comment that becomes irrelevant after this change.

Signed-off-by: Roman Li <roman.li at amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas at amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello at amd.com>
Cc: stable at vger.kernel.org # 6.0
(cherry picked from commit https://gitlab.freedesktop.org/agd5f/linux/-/commit/6fc6c3a991c2a983336ed230938937617a1394ab)
Signed-off-by: You-Sheng Yang (vicamo) <vicamo.yang at canonical.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 513a6c4f68be..23f9e1d2ab70 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1109,7 +1109,8 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
 		hw_params.fb[i] = &fb_info->fb[i];
 
 	switch (adev->ip_versions[DCE_HWIP][0]) {
-	case IP_VERSION(3, 1, 3): /* Only for this asic hw internal rev B0 */
+	case IP_VERSION(3, 1, 3):
+	case IP_VERSION(3, 1, 4):
 		hw_params.dpia_supported = true;
 		hw_params.disable_dpia = adev->dm.dc->debug.dpia_debug.bits.disable_dpia;
 		break;
-- 
2.37.2