From: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
[why & how]
When the commit 32caf32d5b06 ("drm/amd/display: Add driver support for
future FAMS versions") was introduced, it missed some of the FAM2 code.
This commit introduces the code that control the FAM enable and disable.
Fixes: 32caf32d5b06 ("drm/amd/display: Add driver support for future FAMS versions")
Acked-by: Wayne Lin <wayne.lin@xxxxxxx>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Signed-off-by: Tom Chung <chiahsuan.chung@xxxxxxx>
---
.../gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
index 6a40b2e2beb5..a36e11606f90 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c
@@ -985,8 +985,19 @@ void dcn32_init_hw(struct dc *dc)
dc->caps.dmub_caps.gecc_enable = dc->ctx->dmub_srv->dmub->feature_caps.gecc_enable;
dc->caps.dmub_caps.mclk_sw = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch_ver;
- if (dc->ctx->dmub_srv->dmub->fw_version <
+ /* for DCN401 testing only */
+ dc->caps.dmub_caps.fams_ver = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch_ver;
+ if (dc->caps.dmub_caps.fams_ver == 2) {
+ /* FAMS2 is enabled */
+ dc->debug.fams2_config.bits.enable &= true;
+ } else if (dc->ctx->dmub_srv->dmub->fw_version <
DMUB_FW_VERSION(7, 0, 35)) {
+ /* FAMS2 is disabled */
+ dc->debug.fams2_config.bits.enable = false;
+ if (dc->debug.using_dml2 && dc->res_pool->funcs->update_bw_bounding_box) {
+ /* update bounding box if FAMS2 disabled */
+ dc->res_pool->funcs->update_bw_bounding_box(dc, dc->clk_mgr->bw_params);
+ }
dc->debug.force_disable_subvp = true;
dc->debug.disable_fpo_optimizations = true;
}
--
2.34.1
