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drm/amd/display: Return DMUB_STATUS_OK when autoload unsupported 

[Why]
Not having support for autoload isn't an error. If the DMUB firmware
doesn't support it then don't return DMUB_STATUS_INVALID.

[How]
Return DMUB_STATUS_OK when ->is_auto_load_done is NULL.

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nicholas Kazlauskas 2019-11-07 15:29:20 -05:00 committed by Alex Deucher
parent 3c465370f2
commit a494211851
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
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@ -379,9 +379,12 @@ enum dmub_status dmub_srv_wait_for_auto_load(struct dmub_srv *dmub,
{
uint32_t i;
if (!dmub->hw_init || !dmub->hw_funcs.is_auto_load_done)
if (!dmub->hw_init)
return DMUB_STATUS_INVALID;
if (!dmub->hw_funcs.is_auto_load_done)
return DMUB_STATUS_OK;
for (i = 0; i <= timeout_us; i += 100) {
if (dmub->hw_funcs.is_auto_load_done(dmub))
return DMUB_STATUS_OK;
@ -397,9 +400,12 @@ enum dmub_status dmub_srv_wait_for_phy_init(struct dmub_srv *dmub,
{
uint32_t i = 0;
if (!dmub->hw_init || !dmub->hw_funcs.is_phy_init)
if (!dmub->hw_init)
return DMUB_STATUS_INVALID;
if (!dmub->hw_funcs.is_phy_init)
return DMUB_STATUS_OK;
for (i = 0; i <= timeout_us; i += 10) {
if (dmub->hw_funcs.is_phy_init(dmub))
return DMUB_STATUS_OK;