diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 4f57f8c6074e..81c11499bcf0 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -10246,8 +10246,10 @@ static void bxt_modeset_commit_cdclk(struct drm_atomic_state *old_state) static int bdw_adjust_min_pipe_pixel_rate(struct intel_crtc_state *crtc_state, int pixel_rate) { + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */ - if (crtc_state->ips_enabled) + if (IS_BROADWELL(dev_priv) && crtc_state->ips_enabled) pixel_rate = DIV_ROUND_UP(pixel_rate * 100, 95); /* BSpec says "Do not use DisplayPort with CDCLK less than @@ -10289,7 +10291,7 @@ static int ilk_max_pixel_rate(struct drm_atomic_state *state) pixel_rate = ilk_pipe_pixel_rate(crtc_state); - if (IS_BROADWELL(dev_priv)) + if (IS_BROADWELL(dev_priv) || IS_GEN9(dev_priv)) pixel_rate = bdw_adjust_min_pipe_pixel_rate(crtc_state, pixel_rate); |