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| author | Ville Syrjälä | 2013-09-24 20:26:31 +0200 |
|---|---|---|
| committer | Daniel Vetter | 2013-10-10 12:46:55 +0200 |
| commit | 49e497ef43e06dbf65e0a3637bcaedb31ce17d34 (patch) | |
| tree | 97a8f442894f2a3d2feeb0fde0434abf81812c91 /drivers/gpu/drm/i915/intel_display.c | |
| parent | drm/i915: intel_limits_vlv_dac and intel_limits_vlv_hdmi are the same (diff) | |
| download | kernel-qcow2-linux-49e497ef43e06dbf65e0a3637bcaedb31ce17d34.tar.gz kernel-qcow2-linux-49e497ef43e06dbf65e0a3637bcaedb31ce17d34.tar.xz kernel-qcow2-linux-49e497ef43e06dbf65e0a3637bcaedb31ce17d34.zip | |
drm/i915: Don't lie about findind suitable PLL settings on VLV
If vlv_find_best_dpll() couldn't find suitable PLL settings,
just say so instead of lying to caller.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 1ea6d49b9380..0e87970a03f6 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -662,6 +662,7 @@ vlv_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc, unsigned int bestppm = 1000000; /* min update 19.2 MHz */ int max_n = min(limit->n.max, refclk / 19200); + bool found = false; target *= 5; /* fast clock */ @@ -692,18 +693,20 @@ vlv_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc, if (ppm < 100 && clock.p > best_clock->p) { bestppm = 0; *best_clock = clock; + found = true; } if (bestppm >= 10 && ppm < bestppm - 10) { bestppm = ppm; *best_clock = clock; + found = true; } } } } } - return true; + return found; } bool intel_crtc_active(struct drm_crtc *crtc) |