From: Ville Syrjälä <[email protected]> Let's make rate_to_index() return the highest rate available that's less than or equal to the rate requested by the caller. The function can then be used to filter out rates higher than a certain maximum rate.
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]> --- drivers/gpu/drm/i915/intel_dp.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 40cae6202160..08d95352ffd6 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1431,10 +1431,13 @@ static int rate_to_index(int find, const int *rates) int i = 0; for (i = 0; i < DP_MAX_SUPPORTED_RATES; ++i) - if (find == rates[i]) + if (find < rates[i]) break; - return i; + if (WARN_ON(i == 0)) + return 0; + + return i - 1; } int -- 2.7.4 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
