From d74a7566bef76b44416071fbb7e34f301eac8d98 Mon Sep 17 00:00:00 2001 From: Matt Roper Date: Mon, 18 Nov 2019 08:44:12 -0800 Subject: [PATCH] drm/i915/ehl: Update voltage level checks MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Cc: Vivek Kasireddy Cc: Bob Paauwe Signed-off-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20191118164412.26216-1-matthew.d.roper@intel.com Reviewed-by: José Roberto de Souza (cherry picked from commit d147483884ed08ee6bb618ef610ee0329a27fda7) Signed-off-by: Joonas Lahtinen --- drivers/gpu/drm/i915/display/intel_cdclk.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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; -- 2.11.0