From: Jude Shih <jude.shih@xxxxxxx>
[Why] On S4 resume we also need to fix detection of when to reload DMCUB
firmware because we're currently using the VBIOS version which isn't
compatible with the driver version.
[How] Update the hardware init check for DCN31 since it's the ASIC that
has this issue.
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@xxxxxxx>
Acked-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
Signed-off-by: Jude Shih <jude.shih@xxxxxxx>
---
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
index 61446170056e..6820012e3b6e 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
@@ -270,11 +270,13 @@ void dmub_dcn31_set_outbox1_rptr(struct dmub_srv *dmub, uint32_t rptr_offset)
bool dmub_dcn31_is_hw_init(struct dmub_srv *dmub)
{
- uint32_t is_hw_init;
+ union dmub_fw_boot_status status;
+ uint32_t is_enable;
- REG_GET(DMCUB_CNTL, DMCUB_ENABLE, &is_hw_init);
+ status.all = REG_READ(DMCUB_SCRATCH0);
+ REG_GET(DMCUB_CNTL, DMCUB_ENABLE, &is_enable);
- return is_hw_init != 0;
+ return is_enable != 0 && status.bits.dal_fw;
}
bool dmub_dcn31_is_supported(struct dmub_srv *dmub)
--
2.32.0
_______________________________________________
amd-gfx mailing list
amd-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
