From: Taimur Hassan <syed.hassan@amd.com>
Date: Thu, 22 Jun 2023 18:55:03 +0000 (-0400)
Subject: drm/amd/display: Skip enabling DMCUB when using emulation
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e198a746fc1bc009e3f0e7b9436553ccdd4f6cc1;p=linux.git

drm/amd/display: Skip enabling DMCUB when using emulation

[Why & How]
Shouldn't be touching path for HW DMCUB when emulating.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Alan Liu <haoping.liu@amd.com>
Signed-off-by: Taimur Hassan <syed.hassan@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index bdaf43892f47b..3253162e3701b 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -639,11 +639,11 @@ enum dmub_status dmub_srv_hw_init(struct dmub_srv *dmub,
 	if (dmub->hw_funcs.enable_dmub_boot_options)
 		dmub->hw_funcs.enable_dmub_boot_options(dmub, params);
 
-	if (dmub->hw_funcs.skip_dmub_panel_power_sequence)
+	if (dmub->hw_funcs.skip_dmub_panel_power_sequence && !dmub->is_virtual)
 		dmub->hw_funcs.skip_dmub_panel_power_sequence(dmub,
 			params->skip_panel_power_sequence);
 
-	if (dmub->hw_funcs.reset_release)
+	if (dmub->hw_funcs.reset_release && !dmub->is_virtual)
 		dmub->hw_funcs.reset_release(dmub);
 
 	dmub->hw_init = true;