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authorMatt Roper <matthew.d.roper@intel.com>2019-11-18 19:44:12 +0300
committerMatt Roper <matthew.d.roper@intel.com>2019-11-19 08:07:04 +0300
commitd147483884ed08ee6bb618ef610ee0329a27fda7 (patch)
treed196b78c2832516c927639a89b963eeac855bd3e /drivers/gpu/drm/i915/display/intel_cdclk.c
parent03cea61076f00ec6514aae88ec56f01117824cb7 (diff)
downloadlinux-d147483884ed08ee6bb618ef610ee0329a27fda7.tar.xz
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>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_cdclk.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_cdclk.c4
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 8b702317557e..7d1ab1e5b7c3 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;