From: Ville Syrjälä Date: Fri, 21 Dec 2018 17:14:30 +0000 (+0200) Subject: drm/i915: Fix bits vs. bytes mixup in dbuf block size computation X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=17b16054b1115559df126c9d7e727770194d39e3;p=linux.git drm/i915: Fix bits vs. bytes mixup in dbuf block size computation The spec used to say "8bpp" which someone took to mean 8 bytes per pixel when in fact it was supposed to be 8 bits per pixel. The spec has been updated to make it more clear now. Fix the code to match. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20181221171436.8218-4-ville.syrjala@linux.intel.com Reviewed-by: Stanislav Lisovskiy Reviewed-by: Matt Roper --- diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 7473d6ea4bfe0..59e186b30d979 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4617,7 +4617,7 @@ skl_compute_plane_wm_params(const struct intel_crtc_state *cstate, intel_pstate); if (INTEL_GEN(dev_priv) >= 11 && - fb->modifier == I915_FORMAT_MOD_Yf_TILED && wp->cpp == 8) + fb->modifier == I915_FORMAT_MOD_Yf_TILED && wp->cpp == 1) wp->dbuf_block_size = 256; else wp->dbuf_block_size = 512;