From patchwork Mon Jul 6 13:31:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kai-Heng Feng X-Patchwork-Id: 1323627 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=canonical.com Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4B0mhc2JS2z9sTH; Mon, 6 Jul 2020 23:32:32 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1jsRES-0001jU-Na; Mon, 06 Jul 2020 13:32:28 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1jsRER-0001iZ-D1 for kernel-team@lists.ubuntu.com; Mon, 06 Jul 2020 13:32:27 +0000 Received: from 61-220-137-37.hinet-ip.hinet.net ([61.220.137.37] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1jsREQ-0000PZ-Hk for kernel-team@lists.ubuntu.com; Mon, 06 Jul 2020 13:32:27 +0000 From: Kai-Heng Feng To: kernel-team@lists.ubuntu.com Subject: [PATCH 10/15] drm/mgag200: Move hiprilvl setting into separate functions Date: Mon, 6 Jul 2020 21:31:44 +0800 Message-Id: <20200706133149.20076-11-kai.heng.feng@canonical.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200706133149.20076-1-kai.heng.feng@canonical.com> References: <20200706133149.20076-1-kai.heng.feng@canonical.com> X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" From: Thomas Zimmermann BugLink: https://bugs.launchpad.net/bugs/1886140 The hiprivlvl settings are now updated in mgag200_g200se_set_hiprilvl() and mgag200_g200ev_set_hiprilvl(). v2: * replace uint8_t with u8 Signed-off-by: Thomas Zimmermann Tested-by: John Donnelly Acked-by: Sam Ravnborg Acked-by: Emil Velikov Link: https://patchwork.freedesktop.org/patch/msgid/20200515083233.32036-11-tzimmermann@suse.de (cherry picked from commit 7fc1ae567dc693d61af119b8f5425dfe4dce7044 linux-next) Signed-off-by: Kai-Heng Feng --- drivers/gpu/drm/mgag200/mgag200_mode.c | 98 ++++++++++++++------------ 1 file changed, 54 insertions(+), 44 deletions(-) diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 68ae60492675..46122fa31988 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1133,6 +1133,56 @@ static void mgag200_g200er_reset_tagfifo(struct mga_device *mdev) WREG_SEQ(0x01, seq1); } +static void mgag200_g200se_set_hiprilvl(struct mga_device *mdev, + const struct drm_display_mode *mode, + const struct drm_framebuffer *fb) +{ + unsigned int hiprilvl; + u8 crtcext6; + + if (mdev->unique_rev_id >= 0x04) { + hiprilvl = 0; + } else if (mdev->unique_rev_id >= 0x02) { + unsigned int bpp; + unsigned long mb; + + if (fb->format->cpp[0] * 8 > 16) + bpp = 32; + else if (fb->format->cpp[0] * 8 > 8) + bpp = 16; + else + bpp = 8; + + mb = (mode->clock * bpp) / 1000; + if (mb > 3100) + hiprilvl = 0; + else if (mb > 2600) + hiprilvl = 1; + else if (mb > 1900) + hiprilvl = 2; + else if (mb > 1160) + hiprilvl = 3; + else if (mb > 440) + hiprilvl = 4; + else + hiprilvl = 5; + + } else if (mdev->unique_rev_id >= 0x01) { + hiprilvl = 3; + } else { + hiprilvl = 4; + } + + crtcext6 = hiprilvl; /* implicitly sets maxhipri to 0 */ + + WREG_ECRT(0x06, crtcext6); +} + +static void mgag200_g200ev_set_hiprilvl(struct mga_device *mdev) +{ + WREG_ECRT(0x06, 0x00); +} + static int mga_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode, @@ -1251,10 +1301,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, if (mdev->type == G200_EW3) WREG_ECRT(0x34, 0x5); - if (mdev->type == G200_EV) { - WREG_ECRT(6, 0); - } - misc = RREG8(MGA_MISC_IN); misc |= MGAREG_MISC_IOADSEL | MGAREG_MISC_RAMMAPEN | @@ -1270,47 +1316,11 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, if (mdev->type == G200_ER) mgag200_g200er_reset_tagfifo(mdev); + if (IS_G200_SE(mdev)) + mgag200_g200se_set_hiprilvl(mdev, mode, fb); + else if (mdev->type == G200_EV) + mgag200_g200ev_set_hiprilvl(mdev); - if (IS_G200_SE(mdev)) { - if (mdev->unique_rev_id >= 0x04) { - WREG8(MGAREG_CRTCEXT_INDEX, 0x06); - WREG8(MGAREG_CRTCEXT_DATA, 0); - } else if (mdev->unique_rev_id >= 0x02) { - u8 hi_pri_lvl; - u32 bpp; - u32 mb; - - if (fb->format->cpp[0] * 8 > 16) - bpp = 32; - else if (fb->format->cpp[0] * 8 > 8) - bpp = 16; - else - bpp = 8; - - mb = (mode->clock * bpp) / 1000; - if (mb > 3100) - hi_pri_lvl = 0; - else if (mb > 2600) - hi_pri_lvl = 1; - else if (mb > 1900) - hi_pri_lvl = 2; - else if (mb > 1160) - hi_pri_lvl = 3; - else if (mb > 440) - hi_pri_lvl = 4; - else - hi_pri_lvl = 5; - - WREG8(MGAREG_CRTCEXT_INDEX, 0x06); - WREG8(MGAREG_CRTCEXT_DATA, hi_pri_lvl); - } else { - WREG8(MGAREG_CRTCEXT_INDEX, 0x06); - if (mdev->unique_rev_id >= 0x01) - WREG8(MGAREG_CRTCEXT_DATA, 0x03); - else - WREG8(MGAREG_CRTCEXT_DATA, 0x04); - } - } return 0; }