From patchwork Wed Aug 27 01:29:53 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Y.C. Chen" X-Patchwork-Id: 4785431 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id D132F9F375 for ; Wed, 27 Aug 2014 03:33:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B7E2A2015A for ; Wed, 27 Aug 2014 03:33:32 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 59A842014A for ; Wed, 27 Aug 2014 03:33:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BA8276E207; Tue, 26 Aug 2014 20:33:19 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from msr13.hinet.net (msr13.hinet.net [168.95.4.113]) by gabe.freedesktop.org (Postfix) with ESMTP id 794186E195 for ; Tue, 26 Aug 2014 18:30:57 -0700 (PDT) Received: from localhost.localdomain.com (211-20-114-70.HINET-IP.hinet.net [211.20.114.70]) (authenticated bits=0) by msr13.hinet.net (8.14.2/8.14.2) with ESMTP id s7R1Ujtg029323; Wed, 27 Aug 2014 09:30:46 +0800 (CST) From: "Y.C. Chen" To: dri-devel@lists.freedesktop.org Subject: [PATCH v2] drm/ast: Improve mode matching Date: Wed, 27 Aug 2014 09:29:53 +0800 Message-Id: <1409102993-1265-1-git-send-email-yc_chen@aspeedtech.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1408676418-29890-2-git-send-email-yc_chen@aspeedtech.com> References: <1408676418-29890-2-git-send-email-yc_chen@aspeedtech.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrMrMTGxXJZpMhN95jJ32CDBxNMLK58fc9m0fjvC6vF1VsLmCwOd89n tuj6dY/ZgdXjfvdxJo+uu/fZPd7vu8rmsX7LVZYAlijWzLyk/IoE1ow7M7+wFdx0rFi2+xNr A+NJ4y5GTg4hgUiJtvOX2EFsNgEtic9TZzCB2CICyhJ/J65iBLGZBXIltp6exwJiCwsYSex6 dZoVxGYRUJWY8fU3WJxXwFVi4edLzCC2hICCxJSH74FsDg5OAXeJ11PlIVa5SezfeYx1AiPX KkaR3OJE3eLcYkNdE72MzLzUEj0g3sQI9O2KeHavHYxnTxoeYmTi4DzEKMDBqMTDe9r8e7AQ a2JZcWUuSJz7EKMkB5OSKO9mw7/BQnxJ+SmVGYnFGfFFpTmpxYcYJTh4lER4txgD5XiLCxJz izPTYVIyHBxKErySICnBotT01Iq0zJyS1CKI9ClGXY55e9/2Mgmx5OXnpUqJ8/KAFAqAzMgo zYOrg8XKJUZZKWHex+pANTwFqUW5mSWo8q8YxYGuF+bdDzKFJzOvBO6QV0A3MgHdGNHzE+TG kkSEFADmLof8+AEAAA== X-Mailman-Approved-At: Tue, 26 Aug 2014 20:33:12 -0700 Cc: airlied@redhat.com, "Y.C. Chen" , eich@suse.com X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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: "Y.C. Chen" Signed-off-by: Egbert Eich Signed-off-by: Y.C. Chen v2: Add two pass mode selection, first try to match sync polarities and refresh if this fails, try matching refresh only. Suggested by: Egbert Eich Tested-by: Egbert Eich --- drivers/gpu/drm/ast/ast_mode.c | 42 ++++++++++++++++++++++++++++++--------- drivers/gpu/drm/ast/ast_tables.h | 43 ++++++++++++++++++++++++---------------- 2 files changed, 59 insertions(+), 26 deletions(-) diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 5389350..19ada0b 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -80,6 +80,8 @@ static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mo struct ast_private *ast = crtc->dev->dev_private; u32 refresh_rate_index = 0, mode_id, color_index, refresh_rate; u32 hborder, vborder; + bool check_sync; + struct ast_vbios_enhtable *best = NULL; switch (crtc->primary->fb->bits_per_pixel) { case 8: @@ -141,14 +143,34 @@ static bool ast_get_vbios_mode_info(struct drm_crtc *crtc, struct drm_display_mo } refresh_rate = drm_mode_vrefresh(mode); - while (vbios_mode->enh_table->refresh_rate < refresh_rate) { - vbios_mode->enh_table++; - if ((vbios_mode->enh_table->refresh_rate > refresh_rate) || - (vbios_mode->enh_table->refresh_rate == 0xff)) { - vbios_mode->enh_table--; - break; + check_sync = vbios_mode->enh_table->flags & WideScreenMode; + do { + struct ast_vbios_enhtable *loop = vbios_mode->enh_table; + + while (loop->refresh_rate != 0xff) { + if ((check_sync) && + (((mode->flags & DRM_MODE_FLAG_NVSYNC) && + (loop->flags & PVSync)) || + ((mode->flags & DRM_MODE_FLAG_PVSYNC) && + (loop->flags & NVSync)) || + ((mode->flags & DRM_MODE_FLAG_NHSYNC) && + (loop->flags & PHSync)) || + ((mode->flags & DRM_MODE_FLAG_PHSYNC) && + (loop->flags & NHSync)))) { + loop++; + continue; + } + if (loop->refresh_rate <= refresh_rate + && (!best || loop->refresh_rate > best->refresh_rate)) + best = loop; + loop++; } - } + if (best || !check_sync) + break; + check_sync = 0; + } while (1); + if (best) + vbios_mode->enh_table = best; hborder = (vbios_mode->enh_table->flags & HBorder) ? 8 : 0; vborder = (vbios_mode->enh_table->flags & VBorder) ? 8 : 0; @@ -419,8 +441,10 @@ static void ast_set_sync_reg(struct drm_device *dev, struct drm_display_mode *mo struct ast_private *ast = dev->dev_private; u8 jreg; - jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); - jreg |= (vbios_mode->enh_table->flags & SyncNN); + jreg = ast_io_read8(ast, AST_IO_MISC_PORT_READ); + jreg &= ~0xC0; + if (vbios_mode->enh_table->flags & NVSync) jreg |= 0x80; + if (vbios_mode->enh_table->flags & NHSync) jreg |= 0x40; ast_io_write8(ast, AST_IO_MISC_PORT_WRITE, jreg); } diff --git a/drivers/gpu/drm/ast/ast_tables.h b/drivers/gpu/drm/ast/ast_tables.h index 4c761dc..28ce659 100644 --- a/drivers/gpu/drm/ast/ast_tables.h +++ b/drivers/gpu/drm/ast/ast_tables.h @@ -35,14 +35,18 @@ #define HalfDCLK 0x00000002 #define DoubleScanMode 0x00000004 #define LineCompareOff 0x00000008 -#define SyncPP 0x00000000 -#define SyncPN 0x00000040 -#define SyncNP 0x00000080 -#define SyncNN 0x000000C0 #define HBorder 0x00000020 #define VBorder 0x00000010 -#define WideScreenMode 0x00000100 -#define NewModeInfo 0x00000200 +#define WideScreenMode 0x00000100 +#define NewModeInfo 0x00000200 +#define NHSync 0x00000400 +#define PHSync 0x00000800 +#define NVSync 0x00001000 +#define PVSync 0x00002000 +#define SyncPP (PVSync | PHSync) +#define SyncPN (PVSync | NHSync) +#define SyncNP (NVSync | PHSync) +#define SyncNN (NVSync | NHSync) /* DCLK Index */ #define VCLK25_175 0x00 @@ -72,6 +76,7 @@ #define VCLK119 0x17 #define VCLK85_5 0x18 #define VCLK97_75 0x19 +#define VCLK118_25 0x1A static struct ast_vbios_dclk_info dclk_table[] = { {0x2C, 0xE7, 0x03}, /* 00: VCLK25_175 */ @@ -99,6 +104,8 @@ static struct ast_vbios_dclk_info dclk_table[] = { {0x25, 0x65, 0x80}, /* 16: VCLK88.75 */ {0x77, 0x58, 0x80}, /* 17: VCLK119 */ {0x32, 0x67, 0x80}, /* 18: VCLK85_5 */ + {0x6a, 0x6d, 0x80}, /* 19: VCLK97_75 */ + {0x3b, 0x2c, 0x81}, /* 1A: VCLK118_25 */ }; static struct ast_vbios_stdtable vbios_stdtable[] = { @@ -245,8 +252,10 @@ static struct ast_vbios_enhtable res_1360x768[] = { static struct ast_vbios_enhtable res_1600x900[] = { {1760, 1600, 48, 32, 926, 900, 3, 5, VCLK97_75, /* 60Hz CVT RB */ (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 1, 0x3A }, - {1760, 1600, 48, 32, 926, 900, 3, 5, VCLK97_75, /* end */ - (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 0xFF, 1, 0x3A } + {2112, 1600, 88,168, 934, 900, 3, 5, VCLK118_25, /* 60Hz CVT */ + (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 2, 0x3A }, + {2112, 1600, 88,168, 934, 900, 3, 5, VCLK118_25, /* 60Hz CVT */ + (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 0xFF, 2, 0x3A }, }; static struct ast_vbios_enhtable res_1920x1080[] = { @@ -260,11 +269,11 @@ static struct ast_vbios_enhtable res_1920x1080[] = { /* 16:10 */ static struct ast_vbios_enhtable res_1280x800[] = { {1440, 1280, 48, 32, 823, 800, 3, 6, VCLK71, /* 60Hz RB */ - (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 1, 35 }, + (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 1, 0x35 }, {1680, 1280, 72,128, 831, 800, 3, 6, VCLK83_5, /* 60Hz */ - (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 1, 0x35 }, + (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 2, 0x35 }, {1680, 1280, 72,128, 831, 800, 3, 6, VCLK83_5, /* 60Hz */ - (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 0xFF, 1, 0x35 }, + (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 0xFF, 2, 0x35 }, }; @@ -272,24 +281,24 @@ static struct ast_vbios_enhtable res_1440x900[] = { {1600, 1440, 48, 32, 926, 900, 3, 6, VCLK88_75, /* 60Hz RB */ (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 1, 0x36 }, {1904, 1440, 80,152, 934, 900, 3, 6, VCLK106_5, /* 60Hz */ - (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 1, 0x36 }, + (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 2, 0x36 }, {1904, 1440, 80,152, 934, 900, 3, 6, VCLK106_5, /* 60Hz */ - (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 0xFF, 1, 0x36 }, + (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 0xFF, 2, 0x36 }, }; static struct ast_vbios_enhtable res_1680x1050[] = { {1840, 1680, 48, 32, 1080, 1050, 3, 6, VCLK119, /* 60Hz RB */ (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 1, 0x37 }, {2240, 1680,104,176, 1089, 1050, 3, 6, VCLK146_25, /* 60Hz */ - (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 1, 0x37 }, + (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 2, 0x37 }, {2240, 1680,104,176, 1089, 1050, 3, 6, VCLK146_25, /* 60Hz */ - (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 0xFF, 1, 0x37 }, + (SyncPN | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 0xFF, 2, 0x37 }, }; static struct ast_vbios_enhtable res_1920x1200[] = { - {2080, 1920, 48, 32, 1235, 1200, 3, 6, VCLK154, /* 60Hz */ + {2080, 1920, 48, 32, 1235, 1200, 3, 6, VCLK154, /* 60Hz RB*/ (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 60, 1, 0x34 }, - {2080, 1920, 48, 32, 1235, 1200, 3, 6, VCLK154, /* 60Hz */ + {2080, 1920, 48, 32, 1235, 1200, 3, 6, VCLK154, /* 60Hz RB */ (SyncNP | Charx8Dot | LineCompareOff | WideScreenMode | NewModeInfo), 0xFF, 1, 0x34 }, };