diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c index 24c5765890fa..39788a7bd003 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -153,8 +153,9 @@ void rn_update_clocks(struct clk_mgr *clk_mgr_base, } // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow. + // Do not adjust dppclk if dppclk is 0 to avoid unexpected result if (!IS_DIAG_DC(dc->ctx->dce_environment)) { - if (new_clocks->dppclk_khz < 100000) + if (new_clocks->dppclk_khz < 100000 && new_clocks->dppclk_khz > 0) new_clocks->dppclk_khz = 100000; } |