diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0cd355978ab4..dc84a3bd7777 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6372,9 +6372,18 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc, * - LVDS dual channel mode * - Double wide pipe */ - if ((intel_crtc_has_type(pipe_config, INTEL_OUTPUT_LVDS) && - intel_is_dual_link_lvds(dev)) || pipe_config->double_wide) - pipe_config->pipe_src_w &= ~1; + if (pipe_config->pipe_src_w & 1) { + if (pipe_config->double_wide) { + DRM_DEBUG_KMS("Odd pipe source width not supported with double wide pipe\n"); + return -EINVAL; + } + + if (intel_crtc_has_type(pipe_config, INTEL_OUTPUT_LVDS) && + intel_is_dual_link_lvds(dev)) { + DRM_DEBUG_KMS("Odd pipe source width not supported with dual link LVDS\n"); + return -EINVAL; + } + } /* Cantiga+ cannot handle modes with a hsync front porch of 0. * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. |