From nobody Sun Nov 24 13:34:16 2024 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F37191D63E3 for ; Tue, 5 Nov 2024 12:51:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730811110; cv=none; b=CmQqqpJcPu+l92WRD1YhKCv3zsLRMYiaQ8lNnW22yD50CGnD5OTuKVwiLdE5iICPz06YZ3x/JbDNf69pArjCQ9PCwE1Sm04zS71IMOGaEs6bPWskyNvYY+gEIDAN5uQEsU1fhSKlWm86+kqMX+hSKy4RhKvx8y7T81+HNubz3KM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730811110; c=relaxed/simple; bh=nRUu+iPTAVeZtnXyJg8b8aaDSm5gWNrXDmyPPb1gN0E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UV0sU4ZKUO7EIu9ider6S1QVBXVd5znTCgVGPduy3Cd92NugAvDjUVMh21KRCqIZfJS7Dxpan6IiMpN89fDvy6QJ7fkFoOBFC3JXWNYKu2FxEdbpuI1BsxSxnRsceHZiheAaw5bDWQtAm+ewiEdta8TJYHGPrIScmYYlbTlCVw4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=geP9A+wh; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="geP9A+wh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1730811107; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=318M4JRVqLm7VFuPuZQcPbnl4dUMYfJ+y1bW/a1Fa/U=; b=geP9A+whqvBdRZ2UpRBoyLDbd03XBKYYzKOz6pmWK5XcQgPxr2i8/H0OzGORBAqPCXmqQH VP2kZWr4rh5pVs5jYuqbktNcscM5eHPyil4M4K/nlMZYdyObxfg2/CpMxhiWBOeSwGzgqG jFjy7K7y0mxbjiPfhF4mAVYOQeKcE8E= Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-460-MOmA9OcwMqKTv-29MRTTzg-1; Tue, 05 Nov 2024 07:51:44 -0500 X-MC-Unique: MOmA9OcwMqKTv-29MRTTzg-1 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id D77DC19560BF; Tue, 5 Nov 2024 12:51:42 +0000 (UTC) Received: from hydra.redhat.com (unknown [10.39.193.51]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id E592419560AA; Tue, 5 Nov 2024 12:51:38 +0000 (UTC) From: Jocelyn Falempe To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , John Ogness , Javier Martinez Canillas , "Guilherme G . Piccoli" , bluescreen_avenger@verizon.net, Caleb Connolly , Petr Mladek , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: Jocelyn Falempe Subject: [PATCH v6 4/6] drm/log: Color the timestamp, to improve readability Date: Tue, 5 Nov 2024 13:42:24 +0100 Message-ID: <20241105125109.226866-5-jfalempe@redhat.com> In-Reply-To: <20241105125109.226866-1-jfalempe@redhat.com> References: <20241105125109.226866-1-jfalempe@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Content-Type: text/plain; charset="utf-8" Color the timesamp prefix, similar to dmesg. Signed-off-by: Jocelyn Falempe --- drivers/gpu/drm/drm_log.c | 27 +++++++++++++++++++++------ 1 file changed, 21 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/drm_log.c b/drivers/gpu/drm/drm_log.c index 226e206e8b6a3..635dff7b37ce5 100644 --- a/drivers/gpu/drm/drm_log.c +++ b/drivers/gpu/drm/drm_log.c @@ -42,6 +42,7 @@ struct drm_log_scanout { u32 format; u32 px_width; u32 front_color; + u32 prefix_color; }; =20 struct drm_log { @@ -97,7 +98,7 @@ static void drm_log_clear_line(struct drm_log_scanout *sc= anout, u32 line) } =20 static void drm_log_draw_line(struct drm_log_scanout *scanout, const char = *s, - unsigned int len) + unsigned int len, unsigned int prefix_len) { struct drm_framebuffer *fb =3D scanout->buffer->fb; struct iosys_map map; @@ -114,9 +115,10 @@ static void drm_log_draw_line(struct drm_log_scanout *= scanout, const char *s, =20 iosys_map_incr(&map, r.y1 * fb->pitches[0]); for (i =3D 0; i < len && i < scanout->columns; i++) { + u32 color =3D (i < prefix_len) ? scanout->prefix_color : scanout->front_= color; src =3D drm_draw_get_char_bitmap(font, s[i], font_pitch); drm_log_blit(&map, fb->pitches[0], src, font_pitch, font->height, font->= width, - 1, px_width, scanout->front_color); + 1, px_width, color); iosys_map_incr(&map, font->width * px_width); } =20 @@ -128,7 +130,7 @@ static void drm_log_draw_line(struct drm_log_scanout *s= canout, const char *s, } =20 static void drm_log_draw_new_line(struct drm_log_scanout *scanout, - const char *s, unsigned int len) + const char *s, unsigned int len, unsigned int prefix_len) { if (scanout->line =3D=3D 0) { drm_log_clear_line(scanout, 0); @@ -137,23 +139,35 @@ static void drm_log_draw_new_line(struct drm_log_scan= out *scanout, } else if (scanout->line + 2 < scanout->rows) drm_log_clear_line(scanout, scanout->line + 2); =20 - drm_log_draw_line(scanout, s, len); + drm_log_draw_line(scanout, s, len, prefix_len); } =20 +/* + * Depends on print_time() in printk.c + * Timestamp is written with "[%5lu.%06lu]" + */ +#define TS_PREFIX_LEN 13 + static void drm_log_draw_kmsg_record(struct drm_log_scanout *scanout, const char *s, unsigned int len) { + u32 prefix_len =3D 0; + + if (len > TS_PREFIX_LEN && s[0] =3D=3D '[' && s[6] =3D=3D '.' && s[TS_PRE= FIX_LEN] =3D=3D ']') + prefix_len =3D TS_PREFIX_LEN + 1; + /* do not print the ending \n character */ if (s[len - 1] =3D=3D '\n') len--; =20 while (len > scanout->columns) { - drm_log_draw_new_line(scanout, s, scanout->columns); + drm_log_draw_new_line(scanout, s, scanout->columns, prefix_len); s +=3D scanout->columns; len -=3D scanout->columns; + prefix_len =3D 0; } if (len) - drm_log_draw_new_line(scanout, s, len); + drm_log_draw_new_line(scanout, s, len, prefix_len); } =20 static u32 drm_log_find_usable_format(struct drm_plane *plane) @@ -193,6 +207,7 @@ static int drm_log_setup_modeset(struct drm_client_dev = *client, scanout->rows =3D height / scanout->font->height; scanout->columns =3D width / scanout->font->width; scanout->front_color =3D drm_draw_color_from_xrgb8888(0xffffff, format); + scanout->prefix_color =3D drm_draw_color_from_xrgb8888(0x4e9a06, format); return 0; } =20 --=20 2.47.0