From: Nicholas Susanto <nicholas.susanto@xxxxxxx>
[Why]
8k60hz compliace test failing because we restrict it single memory
channels. Workaround by not restricting it on single displays.
[How]
Adding an additional check to DCN314 to restrict 8k60hz mode if it has
more than 1 display connected.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Acked-by: Stylon Wang <stylon.wang@xxxxxxx>
Signed-off-by: Nicholas Susanto <nicholas.susanto@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
index 5e9459e26469..4e09ba4f2806 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
@@ -1689,7 +1689,9 @@ static bool filter_modes_for_single_channel_workaround(struct dc *dc,
struct dc_state *context)
{
// Filter 2K@240Hz+8K@24fps above combination timing if memory only has single dimm LPDDR
- if (dc->clk_mgr->bw_params->vram_type == 34 && dc->clk_mgr->bw_params->num_channels < 2) {
+ if (dc->clk_mgr->bw_params->vram_type == 34 &&
+ dc->clk_mgr->bw_params->num_channels < 2 &&
+ context->stream_count > 1) {
int total_phy_pix_clk = 0;
for (int i = 0; i < context->stream_count; i++)
--
2.41.0
