Do not halt driver loading on if_version mismatch. As our driver and FWs are backward compatible.
Change-Id: I01271202d08a62e775efabfb66310f6cc742b9dd Signed-off-by: Evan Quan <[email protected]> --- drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index bc4f8de629b5..12c6482d37f4 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -262,14 +262,20 @@ static int smu_v11_0_check_fw_version(struct smu_context *smu) smu_minor = (smu_version >> 8) & 0xff; smu_debug = (smu_version >> 0) & 0xff; - + /* + * 1. if_version mismatch is not critical as our fw is designed + * to be backward compatible. + * 2. New fw usually brings some optimizations. But that's visible + * only on the paired driver. + * Considering above, we just leave user a warning message instead + * of halt driver loading. + */ if (if_version != smu->smc_if_version) { pr_info("smu driver if version = 0x%08x, smu fw if version = 0x%08x, " "smu fw version = 0x%08x (%d.%d.%d)\n", smu->smc_if_version, if_version, smu_version, smu_major, smu_minor, smu_debug); - pr_err("SMU driver if version not matched\n"); - ret = -EINVAL; + pr_warn("SMU driver if version not matched\n"); } return ret; -- 2.21.0 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
