diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_crt.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index dcaed3466e8..e58defa247d 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -64,11 +64,21 @@ static void intel_crt_dpms(struct drm_encoder *encoder, int mode) static int intel_crt_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { + struct drm_device *dev = connector->dev; + + int max_clock = 0; if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; - if (mode->clock > 400000 || mode->clock < 25000) - return MODE_CLOCK_RANGE; + if (mode->clock < 25000) + return MODE_CLOCK_LOW; + + if (!IS_I9XX(dev)) + max_clock = 350000; + else + max_clock = 400000; + if (mode->clock > max_clock) + return MODE_CLOCK_HIGH; return MODE_OK; } @@ -113,10 +123,13 @@ static void intel_crt_mode_set(struct drm_encoder *encoder, if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) adpa |= ADPA_VSYNC_ACTIVE_HIGH; - if (intel_crtc->pipe == 0) + if (intel_crtc->pipe == 0) { adpa |= ADPA_PIPE_A_SELECT; - else + I915_WRITE(BCLRPAT_A, 0); + } else { adpa |= ADPA_PIPE_B_SELECT; + I915_WRITE(BCLRPAT_B, 0); + } I915_WRITE(ADPA, adpa); } |