From patchwork Mon Mar 2 14:43:52 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tvrtko Ursulin X-Patchwork-Id: 5914021 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6DD3FBF6C3 for ; Mon, 2 Mar 2015 14:44:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 25725201FB for ; Mon, 2 Mar 2015 14:44:12 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id D8E1E20219 for ; Mon, 2 Mar 2015 14:44:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D1C5E6E47A; Mon, 2 Mar 2015 06:44:09 -0800 (PST) X-Original-To: Intel-gfx@lists.freedesktop.org Delivered-To: Intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id B40896E47C for ; Mon, 2 Mar 2015 06:44:08 -0800 (PST) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP; 02 Mar 2015 06:41:46 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,675,1418112000"; d="scan'208";a="659215936" Received: from tursulin-linux.isw.intel.com ([10.102.226.48]) by orsmga001.jf.intel.com with ESMTP; 02 Mar 2015 06:44:07 -0800 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org Date: Mon, 2 Mar 2015 14:43:52 +0000 Message-Id: <1425307432-4955-6-git-send-email-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.3.0 In-Reply-To: <1425307432-4955-1-git-send-email-tvrtko.ursulin@linux.intel.com> References: <1425307432-4955-1-git-send-email-tvrtko.ursulin@linux.intel.com> Subject: [Intel-gfx] [PATCH 5/5] drm/i915/skl: Take 90/270 rotation into account in watermark calculations X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,HK_RANDOM_FROM, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Tvrtko Ursulin v2: Pass in rotation info to sprite plane updates as well. v3: Use helper to determine 90/270 rotation. (Michel Thierry) v4: Rebased for fb modifiers and atomic changes. For: VIZ-4546 Signed-off-by: Tvrtko Ursulin Reviewed-by: Michel Thierry (v3) --- drivers/gpu/drm/i915/intel_display.c | 27 +++++++++++++++++++++++---- drivers/gpu/drm/i915/intel_drv.h | 4 ++++ drivers/gpu/drm/i915/intel_pm.c | 18 +++++++++++++++++- drivers/gpu/drm/i915/intel_sprite.c | 5 +---- 4 files changed, 45 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 15c28b1..fb07d3d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -12064,6 +12064,28 @@ static void intel_shared_dpll_init(struct drm_device *dev) } /** + * intel_wm_need_update - Check whether watermarks need updating + * @plane: drm plane + * @state: new plane state + * + * Check current plane state versus the new one to determine whether + * watermarks need to be recalculated. + * + * Returns true or false. + */ +bool intel_wm_need_update(struct drm_plane *plane, + struct drm_plane_state *state) +{ + /* Update watermarks on tiling changes. */ + if (!plane->state->fb || !state->fb || + plane->state->fb->modifier[0] != state->fb->modifier[0] || + plane->state->rotation != state->rotation) + return true; + + return false; +} + +/** * intel_prepare_plane_fb - Prepare fb for usage on plane * @plane: drm plane to prepare for * @fb: framebuffer to prepare for presentation @@ -12209,10 +12231,7 @@ intel_check_primary_plane(struct drm_plane *plane, intel_crtc->atomic.update_fbc = true; - /* Update watermarks on tiling changes. */ - if (!plane->state->fb || !state->base.fb || - plane->state->fb->modifier[0] != - state->base.fb->modifier[0]) + if (intel_wm_need_update(plane, &state->base)) intel_crtc->atomic.update_wm = true; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 5690aa6..715510a 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -501,6 +501,7 @@ struct intel_plane_wm_parameters { bool enabled; bool scaled; u64 tiling; + unsigned int rotation; }; struct intel_plane { @@ -988,6 +989,9 @@ intel_rotation_90_or_270(unsigned int rotation) struct sg_table *intel_rotate_fb_obj_pages(struct i915_ggtt_view *ggtt_view, struct drm_i915_gem_object *obj); +bool intel_wm_need_update(struct drm_plane *plane, + struct drm_plane_state *state); + /* shared dpll functions */ struct intel_shared_dpll *intel_crtc_to_shared_dpll(struct intel_crtc *crtc); void assert_shared_dpll(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 0bf6767..bc90a14 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2712,6 +2712,7 @@ static void skl_compute_wm_pipe_parameters(struct drm_crtc *crtc, */ if (fb) p->plane[0].tiling = fb->modifier[0]; + p->plane[0].rotation = crtc->primary->state->rotation; p->cursor.enabled = true; p->cursor.bytes_per_pixel = 4; @@ -2761,7 +2762,21 @@ static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv, if (p_params->tiling == I915_FORMAT_MOD_Y_TILED || p_params->tiling == I915_FORMAT_MOD_Yf_TILED) { - uint32_t y_tile_minimum = plane_blocks_per_line * 4; + uint32_t min_scanlines = 4; + uint32_t y_tile_minimum; + if (intel_rotation_90_or_270(p_params->rotation)) { + switch (p_params->bytes_per_pixel) { + case 1: + min_scanlines = 16; + break; + case 2: + min_scanlines = 8; + break; + case 8: + WARN(1, "Unsupported pixel depth for rotation"); + }; + } + y_tile_minimum = plane_blocks_per_line * min_scanlines; selected_result = max(method2, y_tile_minimum); } else { if ((ddb_allocation / plane_blocks_per_line) >= 1) @@ -3222,6 +3237,7 @@ skl_update_sprite_wm(struct drm_plane *plane, struct drm_crtc *crtc, */ if (fb) intel_plane->wm.tiling = fb->modifier[0]; + intel_plane->wm.rotation = plane->state->rotation; skl_update_wm(crtc); } diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index caa0bcc..addc90e 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -1260,10 +1260,7 @@ finish: if (!intel_crtc->primary_enabled && !state->hides_primary) intel_crtc->atomic.post_enable_primary = true; - /* Update watermarks on tiling changes. */ - if (!plane->state->fb || !state->base.fb || - plane->state->fb->modifier[0] != - state->base.fb->modifier[0]) + if (intel_wm_need_update(plane, &state->base)) intel_crtc->atomic.update_wm = true; }