diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index c18f24afa698..e612841f7f91 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -1848,9 +1848,22 @@ static void disable_link(struct dc_link *link, enum signal_type signal) static bool dp_active_dongle_validate_timing( const struct dc_crtc_timing *timing, - const struct dc_dongle_caps *dongle_caps) + const struct dpcd_caps *dpcd_caps) { unsigned int required_pix_clk = timing->pix_clk_khz; + const struct dc_dongle_caps *dongle_caps = &dpcd_caps->dongle_caps; + + switch (dpcd_caps->dongle_type) { + case DISPLAY_DONGLE_DP_VGA_CONVERTER: + case DISPLAY_DONGLE_DP_DVI_CONVERTER: + case DISPLAY_DONGLE_DP_DVI_DONGLE: + if (timing->pixel_encoding == PIXEL_ENCODING_RGB) + return true; + else + return false; + default: + break; + } if (dongle_caps->dongle_type != DISPLAY_DONGLE_DP_HDMI_CONVERTER || dongle_caps->extendedCapValid == false) @@ -1916,7 +1929,7 @@ enum dc_status dc_link_validate_mode_timing( const struct dc_crtc_timing *timing) { uint32_t max_pix_clk = stream->sink->dongle_max_pix_clk; - struct dc_dongle_caps *dongle_caps = &link->dpcd_caps.dongle_caps; + struct dpcd_caps *dpcd_caps = &link->dpcd_caps; /* A hack to avoid failing any modes for EDID override feature on * topology change such as lower quality cable for DP or different dongle @@ -1929,7 +1942,7 @@ enum dc_status dc_link_validate_mode_timing( return DC_EXCEED_DONGLE_CAP; /* Active Dongle*/ - if (!dp_active_dongle_validate_timing(timing, dongle_caps)) + if (!dp_active_dongle_validate_timing(timing, dpcd_caps)) return DC_EXCEED_DONGLE_CAP; switch (stream->signal) { |