From: Nicholas Susanto Date: Mon, 31 Jul 2023 17:19:38 +0000 (-0400) Subject: drm/amd/display: Enable 8k60hz mode on single display X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=133fe0dd99a9b896fe66fd4bc682227e8bbd4ded;p=linux.git drm/amd/display: Enable 8k60hz mode on single display [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 Acked-by: Stylon Wang Signed-off-by: Nicholas Susanto Signed-off-by: Alex Deucher --- 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 5e9459e264694..4e09ba4f28062 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++)