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| author | Thomas Gleixner <tglx@linutronix.de> | 2018-03-14 20:37:31 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-03-14 20:37:31 +0100 |
| commit | b0d8bef8ed805ca92eb91e86acf3ce89cbebc8ce (patch) | |
| tree | 8838391a76f0cf75ffcd31166996d03d19c580a6 /drivers/gpu/drm/i915/intel_cdclk.c | |
| parent | 82b691bedf05f258f1c86c96ee574b0d7795c0a1 (diff) | |
| parent | fc6eabbbf8ef99efed778dd5afabc83c21dba585 (diff) | |
| download | blackbird-op-linux-b0d8bef8ed805ca92eb91e86acf3ce89cbebc8ce.tar.gz blackbird-op-linux-b0d8bef8ed805ca92eb91e86acf3ce89cbebc8ce.zip | |
Merge branch 'linus' into irq/core to pick up dependencies.
Diffstat (limited to 'drivers/gpu/drm/i915/intel_cdclk.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_cdclk.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_cdclk.c b/drivers/gpu/drm/i915/intel_cdclk.c index 5dc118f26b51..1704c8897afd 100644 --- a/drivers/gpu/drm/i915/intel_cdclk.c +++ b/drivers/gpu/drm/i915/intel_cdclk.c @@ -1952,6 +1952,14 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state) if (crtc_state->has_audio && INTEL_GEN(dev_priv) >= 9) min_cdclk = max(2 * 96000, min_cdclk); + /* + * On Valleyview some DSI panels lose (v|h)sync when the clock is lower + * than 320000KHz. + */ + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI) && + IS_VALLEYVIEW(dev_priv)) + min_cdclk = max(320000, min_cdclk); + if (min_cdclk > dev_priv->max_cdclk_freq) { DRM_DEBUG_KMS("required cdclk (%d kHz) exceeds max (%d kHz)\n", min_cdclk, dev_priv->max_cdclk_freq); |
