diff options
author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2013-09-24 21:26:31 +0300 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-10-04 15:32:57 +0200 |
commit | 47288fd108696a3a52cddc167fefe3c609d56281 (patch) | |
tree | 2e87e4488586b8fa966de84c4ce577683b35d867 | |
parent | d92166ef18dd9e7a334212f324bcc5d12b3859e5 (diff) |
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>
-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) |