diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/link_dpms.c | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c index b700608e4240..077337698e0a 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c @@ -1105,6 +1105,9 @@ static bool dcn401_program_pix_clk( &dto_params); } else { + if (pll_settings->actual_pix_clk_100hz > 6000000UL) + return false; + /* disables DP DTO when provided with TMDS signal type */ clock_source->ctx->dc->res_pool->dccg->funcs->set_dp_dto( clock_source->ctx->dc->res_pool->dccg, diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c index 5d66bfc7fe6e..60e64e0138a3 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -1953,6 +1953,10 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx) stream->phy_pix_clk = stream->timing.pix_clk_100hz / 10; if (stream->phy_pix_clk > 340000) is_over_340mhz = true; + if (dc_is_tmds_signal(stream->signal) && stream->phy_pix_clk > 6000000UL) { + ASSERT(false); + return; + } if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) { unsigned short masked_chip_caps = pipe_ctx->stream->link->chip_caps & |