diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-09-30 13:41:33 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-10-01 16:09:45 +0300 |
| commit | ab953f099fd7d0c28d3e35dcd008651aad57db6f (patch) | |
| tree | cadb772fa40089518e5a94c19531c10b36097855 /drivers/gpu/drm/i915/display | |
| parent | 0fb00cc28e1ed1e9052f3231acfd085471d0397b (diff) | |
drm/i915: Move WaPruneModeWithIncorrectHsyncOffset into intel_mode_valid()
Check for the zero length front porch already in intel_mode_valid()
so that we get the same validation for both get_modes() and setcrtc()/etc.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210930104133.30854-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 27c65c8dc181..583153435ac3 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -4046,13 +4046,6 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc, } } - /* Cantiga+ cannot handle modes with a hsync front porch of 0. - * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. - */ - if ((DISPLAY_VER(dev_priv) > 4 || IS_G4X(dev_priv)) && - pipe_mode->crtc_hsync_start == pipe_mode->crtc_hdisplay) - return -EINVAL; - intel_crtc_compute_pixel_rate(pipe_config); if (pipe_config->has_pch_encoder) @@ -11159,6 +11152,14 @@ intel_mode_valid(struct drm_device *dev, return MODE_V_ILLEGAL; } + /* + * Cantiga+ cannot handle modes with a hsync front porch of 0. + * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. + */ + if ((DISPLAY_VER(dev_priv) > 4 || IS_G4X(dev_priv)) && + mode->hsync_start == mode->hdisplay) + return MODE_H_ILLEGAL; + return MODE_OK; } |