Commit 0e2c978e authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

drm/radeon/kms: don't poll forever if MC GDDR link training fails



Bail if we hit the timeout limit.

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent cf2aff6e
......@@ -261,8 +261,11 @@ int ni_mc_load_microcode(struct radeon_device *rdev)
WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
/* wait for training to complete */
while (!(RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD))
udelay(10);
for (i = 0; i < rdev->usec_timeout; i++) {
if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
break;
udelay(1);
}
if (running)
WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
......
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