drm/i915: Remove useless rate_to_index() usage

No need to iterate the rates array in intel_dp_max_link_rate(). We know
the max rate will be the last entry, and we already know the size.

Cc: Ander Conselvan de Oliveira <[email protected]>
Cc: Jim Bride <[email protected]>
Cc: Manasi D Navare <[email protected]>
Cc: Durgadoss R <[email protected]>
Signed-off-by: Ville Syrjälä <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Daniel Vetter <[email protected]>

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index a0c99c06210eae63106dfbe001555e08b6b5c1c6..65943ae3df56a98b7e960aafdf8609e00fa4e78f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1447,7 +1447,7 @@ intel_dp_max_link_rate(struct intel_dp *intel_dp)
        if (WARN_ON(len <= 0))
                return 162000;
 
-       return rates[rate_to_index(0, rates) - 1];
+       return rates[len - 1];
 }
 
 int intel_dp_rate_select(struct intel_dp *intel_dp, int rate)