4.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Deucher <alexander.deucher@xxxxxxx> commit 7fe04d6fa824ccea704535a597dc417c8687f990 upstream. Fixes display problems with some monitors when audio is not enabled. Bugs: https://bugs.freedesktop.org/show_bug.cgi?id=89505 https://bugzilla.kernel.org/show_bug.cgi?id=94171 Plus several reports on IRC. Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/radeon/atombios_crtc.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -580,6 +580,9 @@ static u32 atombios_adjust_pll(struct dr else radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; + /* if there is no audio, set MINM_OVER_MAXP */ + if (!drm_detect_monitor_audio(radeon_connector_edid(connector))) + radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP; if (rdev->family < CHIP_RV770) radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP; /* use frac fb div on APUs */ -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html