GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-20 13:41:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

drm/radeon: improve dvi_mode_valid

Browse source 
Make sure we have an HDMI monitor before validating modes with
clocks >165 Mhz on single link connections.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2014-06-16 17:46:57 -04:00
parent 6536a3a667
commit f2263fc796
1 changed files with 7 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/gpu/drm/radeon/radeon_connectors.c
View file

@ -1288,18 +1288,16 @@ static int radeon_dvi_mode_valid(struct drm_connector *connector,
(radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
(radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
return MODE_OK; return MODE_OK;
else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) { else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) {
if (ASIC_IS_DCE6(rdev)) {
/* HDMI 1.3+ supports max clock of 340 Mhz */ /* HDMI 1.3+ supports max clock of 340 Mhz */
if (mode->clock > 340000) if (mode->clock > 340000)
return MODE_CLOCK_HIGH; return MODE_CLOCK_HIGH;
else else
return MODE_OK; return MODE_OK;
} else } else {
return MODE_CLOCK_HIGH;
} else
return MODE_CLOCK_HIGH; return MODE_CLOCK_HIGH;
} }
}
/* check against the max pixel clock */ /* check against the max pixel clock */
if ((mode->clock / 10) > rdev->clock.max_pixel_clock) if ((mode->clock / 10) > rdev->clock.max_pixel_clock)