diff options
| author | Matt Roper <matthew.d.roper@intel.com> | 2019-11-18 08:44:12 -0800 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2019-11-25 15:00:44 +0200 |
| commit | d74a7566bef76b44416071fbb7e34f301eac8d98 (patch) | |
| tree | 412ae871b6f9d69f9c25423680f0b84d97be24fd /drivers/gpu/drm/i915/display | |
| parent | 15b9cbb2c5e1cf22c13fe38bf513bab821b47630 (diff) | |
drm/i915/ehl: Update voltage level checks
The bspec was recently updated with new cdclk -> voltage level tables to
accommodate the new 324/326.4 cdclk values.
Bspec: 21809
Fixes: 63c9dae71dc5 ("drm/i915/ehl: Add voltage level requirement table")
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Vivek Kasireddy <vivek.kasireddy@intel.com>
Cc: Bob Paauwe <bob.j.paauwe@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191118164412.26216-1-matthew.d.roper@intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
(cherry picked from commit d147483884ed08ee6bb618ef610ee0329a27fda7)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_cdclk.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index 0caef2592a7e..ed8c7ce62119 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -1273,7 +1273,9 @@ static u8 icl_calc_voltage_level(int cdclk) static u8 ehl_calc_voltage_level(int cdclk) { - if (cdclk > 312000) + if (cdclk > 326400) + return 3; + else if (cdclk > 312000) return 2; else if (cdclk > 180000) return 1; |