Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933047AbcJHANK (ORCPT ); Fri, 7 Oct 2016 20:13:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55176 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932929AbcJHAMc (ORCPT ); Fri, 7 Oct 2016 20:12:32 -0400 From: Lyude To: intel-gfx@lists.freedesktop.org Cc: Lyude , Maarten Lankhorst , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , Paulo Zanoni , Daniel Vetter , Jani Nikula , David Airlie , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 08/10] drm/i915/gen9: Add skl_wm_level_equals() Date: Fri, 7 Oct 2016 20:11:32 -0400 Message-Id: <1475885497-6094-9-git-send-email-cpaul@redhat.com> In-Reply-To: <1475885497-6094-1-git-send-email-cpaul@redhat.com> References: <1475885497-6094-1-git-send-email-cpaul@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Sat, 08 Oct 2016 00:12:32 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1909 Lines: 52 Helper we're going to be using for implementing verification of the wm levels in skl_verify_wm_level(). Signed-off-by: Lyude Cc: Maarten Lankhorst Cc: Ville Syrjälä Cc: Paulo Zanoni --- drivers/gpu/drm/i915/intel_drv.h | 2 ++ drivers/gpu/drm/i915/intel_pm.c | 14 ++++++++++++++ 2 files changed, 16 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 73a2d16d..3e6e9af 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1761,6 +1761,8 @@ void skl_pipe_wm_get_hw_state(struct drm_crtc *crtc, bool intel_can_enable_sagv(struct drm_atomic_state *state); int intel_enable_sagv(struct drm_i915_private *dev_priv); int intel_disable_sagv(struct drm_i915_private *dev_priv); +bool skl_wm_level_equals(const struct skl_wm_level *l1, + const struct skl_wm_level *l2); bool skl_ddb_allocation_equals(const struct skl_ddb_allocation *old, const struct skl_ddb_allocation *new, enum pipe pipe); diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 27a520ce..6af1587 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3853,6 +3853,20 @@ void skl_write_cursor_wm(struct intel_crtc *intel_crtc, &ddb->plane[pipe][PLANE_CURSOR]); } +bool skl_wm_level_equals(const struct skl_wm_level *l1, + const struct skl_wm_level *l2) +{ + if (l1->plane_en != l2->plane_en) + return false; + + /* If both planes aren't enabled, the rest shouldn't matter */ + if (!l1->plane_en) + return true; + + return (l1->plane_res_l == l2->plane_res_l && + l1->plane_res_b == l2->plane_res_b); +} + static inline bool skl_ddb_entries_overlap(const struct skl_ddb_entry *a, const struct skl_ddb_entry *b) { -- 2.7.4