From patchwork Tue Aug 21 12:24:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sravanthi Kollukuduru X-Patchwork-Id: 10571463 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E4D621390 for ; Tue, 21 Aug 2018 12:24:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DD0552A0B0 for ; Tue, 21 Aug 2018 12:24:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DB8AD2A0F7; Tue, 21 Aug 2018 12:24:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9C7E02A0F5 for ; Tue, 21 Aug 2018 12:24:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EEBA46E2FF; Tue, 21 Aug 2018 12:24:34 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.codeaurora.org (smtp.codeaurora.org [198.145.29.96]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7905F6E2BF; Tue, 21 Aug 2018 12:24:33 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 5994C61481; Tue, 21 Aug 2018 12:24:32 +0000 (UTC) Received: from skolluku-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: skolluku@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 9405661406; Tue, 21 Aug 2018 12:24:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 9405661406 From: Sravanthi Kollukuduru To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Subject: [PATCH 2/2] drm/msm/dpu: fix for cursor blend issue Date: Tue, 21 Aug 2018 17:54:10 +0530 Message-Id: <20180821122410.17280-3-skolluku@codeaurora.org> X-Mailer: git-send-email 2.13.5 In-Reply-To: <20180821122410.17280-1-skolluku@codeaurora.org> References: <20180821122410.17280-1-skolluku@codeaurora.org> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sean@poorly.run, seanpaul@chromium.org, Sravanthi Kollukuduru MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The current driver has the opaque blend mode set as the default causing the black box effect around the cursor. The fix enables choosing a different blend mode for alpha enabled formats. Signed-off-by: Sravanthi Kollukuduru --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 26 +++++++++++++++++++++----- 1 file changed, 21 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index 0cd9456a6c4c..fc6200c74614 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -297,14 +297,29 @@ static void dpu_crtc_destroy(struct drm_crtc *crtc) } static void _dpu_crtc_setup_blend_cfg(struct dpu_crtc_mixer *mixer, - struct dpu_plane_state *pstate) + struct dpu_plane_state *pstate, struct dpu_format *format) { struct dpu_hw_mixer *lm = mixer->hw_lm; + uint32_t blend_op; /* default to opaque blending */ - lm->ops.setup_blend_config(lm, pstate->stage, 0XFF, 0, - DPU_BLEND_FG_ALPHA_FG_CONST | - DPU_BLEND_BG_ALPHA_BG_CONST); + blend_op = DPU_BLEND_FG_ALPHA_FG_CONST | + DPU_BLEND_BG_ALPHA_BG_CONST; + + if (format->alpha_enable) { + /* coverage blending */ + blend_op = DPU_BLEND_FG_ALPHA_FG_PIXEL | + DPU_BLEND_BG_ALPHA_FG_PIXEL | + DPU_BLEND_BG_INV_ALPHA; + } + + lm->ops.setup_blend_config(lm, pstate->stage, + 0xFF, 0, blend_op); + + DPU_DEBUG( + "format:%4.4s, alpha_en(%u) blend_op:0x%x\n", + (char *) &format->base.pixel_format, + format->alpha_enable, blend_op); } static void _dpu_crtc_program_lm_output_roi(struct drm_crtc *crtc) @@ -401,7 +416,8 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc *crtc, /* blend config update */ for (lm_idx = 0; lm_idx < dpu_crtc->num_mixers; lm_idx++) { - _dpu_crtc_setup_blend_cfg(mixer + lm_idx, pstate); + _dpu_crtc_setup_blend_cfg(mixer + lm_idx, + pstate, format); mixer[lm_idx].flush_mask |= flush_mask;