From patchwork Fri Aug 12 23:17:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rohith Iyer X-Patchwork-Id: 12942620 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C3985C00140 for ; Fri, 12 Aug 2022 23:19:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4713998772; Fri, 12 Aug 2022 23:18:56 +0000 (UTC) Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by gabe.freedesktop.org (Postfix) with ESMTPS id E8F159786B for ; Fri, 12 Aug 2022 23:18:19 +0000 (UTC) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27CMtCiD024432; Fri, 12 Aug 2022 23:18:12 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=TYS+x9JAOkVRDD2clrTzgM6NAKDH8h5s9UzijPQtqJo=; b=ZB75JLv0t4YwyC9CLf09BKg6MRVIrkfVvImzTOlMN9FnpP+wxdCyN8DWfSLVb8g8GVAb hQiPGcIU/ER1Unk3UrI3u8sD/NLXgoi+995AQe0GXErgLKRrLPuBgNRgGk/wnMu5BovE oLmSeR5nAILmvZXxgH+Wmh9KqHCP31tS5woQ0d/k09+Ei6gztjTh7+Z64MUn9iDKX56u I+QYKJm4cjfjDWLptNnFBxDhSPkt2Dzqwo50T0mv7qcpCqem9YX1tuhhl3NSObC3/p6A 5DheG04z+u7Er15IIHcoq5cqVGBnFDqpIjp5Ua0+1+NVWtjQcmJ61uuMK2ENa7HxFMfB vw== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3hwu7egrdc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 12 Aug 2022 23:18:12 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 27CNIBpd019673 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 12 Aug 2022 23:18:11 GMT Received: from hu-rohiiyer-lv.qualcomm.com (10.49.16.6) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Fri, 12 Aug 2022 16:18:10 -0700 From: Rohith Iyer To: Subject: [PATCH libdrm v2 1/2] tests/modetest: Allocate drmModeAtomicReq before setting properties Date: Fri, 12 Aug 2022 16:17:56 -0700 Message-ID: <20220812231757.1454-2-quic_rohiiyer@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220812231757.1454-1-quic_rohiiyer@quicinc.com> References: <20220812231757.1454-1-quic_rohiiyer@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: KKC1Pp2kUPOcUhgEPwZrUTbrO4bzepSv X-Proofpoint-ORIG-GUID: KKC1Pp2kUPOcUhgEPwZrUTbrO4bzepSv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-12_10,2022-08-11_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 impostorscore=0 adultscore=0 mlxlogscore=676 phishscore=0 lowpriorityscore=0 bulkscore=0 suspectscore=0 priorityscore=1501 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208120063 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rohith Iyer , quic_abhinavk@quicinc.com, hoegsberg@google.com, dmitry.baryshkov@linaro.org, quic_jesszhan@quicinc.com, quic_aravindh@quicinc.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Fix null pointer deference caused by drmModeAtomicReq being allocated before set_property was called when modetest was run with the atomic flag. Reviewed-by: Rob Clark Signed-off-by: Rohith Iyer --- tests/modetest/modetest.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c index 8ff6c80d..f33f303c 100644 --- a/tests/modetest/modetest.c +++ b/tests/modetest/modetest.c @@ -2188,11 +2188,13 @@ int main(int argc, char **argv) dump_resource(&dev, planes); dump_resource(&dev, framebuffers); + if (dev.use_atomic) + dev.req = drmModeAtomicAlloc(); + for (i = 0; i < prop_count; ++i) set_property(&dev, &prop_args[i]); if (dev.use_atomic) { - dev.req = drmModeAtomicAlloc(); if (set_preferred || (count && plane_count)) { uint64_t cap = 0; From patchwork Fri Aug 12 23:17:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rohith Iyer X-Patchwork-Id: 12942619 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E789FC00140 for ; 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Fri, 12 Aug 2022 23:18:13 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 27CNICWX013928 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 12 Aug 2022 23:18:12 GMT Received: from hu-rohiiyer-lv.qualcomm.com (10.49.16.6) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Fri, 12 Aug 2022 16:18:11 -0700 From: Rohith Iyer To: Subject: [PATCH libdrm v2 2/2] tests/modetest: Add support for writeback connector Date: Fri, 12 Aug 2022 16:17:57 -0700 Message-ID: <20220812231757.1454-3-quic_rohiiyer@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220812231757.1454-1-quic_rohiiyer@quicinc.com> References: <20220812231757.1454-1-quic_rohiiyer@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: C42nS9JZhGkRHVH54WX8UGfSVuESoD6n X-Proofpoint-GUID: C42nS9JZhGkRHVH54WX8UGfSVuESoD6n X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-12_10,2022-08-11_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 impostorscore=0 spamscore=0 priorityscore=1501 adultscore=0 bulkscore=0 clxscore=1015 mlxlogscore=999 phishscore=0 mlxscore=0 lowpriorityscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208120063 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rohith Iyer , quic_abhinavk@quicinc.com, hoegsberg@google.com, dmitry.baryshkov@linaro.org, quic_jesszhan@quicinc.com, quic_aravindh@quicinc.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add writeback support to modetest with the below options: - Passing in -c will now also show the writeback connector - Test a built-in mode on writeback connector - Test a custom mode from user input on writeback connector Usage: "./modetest -M msm -x : -a -P @:+0+0@RG24." Refer to --help for exact syntax - Dump the writeback output buffer to bitstream Usage: "./modetest -M msm -s : -a -o -P @:+0+0@RG24" This currently supports a singular writeback connector. Changes made in V2: - Added helper method that checks if user pipe has writeback connector - Added error message for dump flag if no writeback connector is found - Polls on the writeback fence fd until writeback is complete Signed-off-by: Rohith Iyer --- tests/modetest/buffers.c | 19 ++++ tests/modetest/buffers.h | 1 + tests/modetest/modetest.c | 176 ++++++++++++++++++++++++++++++++++---- 3 files changed, 177 insertions(+), 19 deletions(-) diff --git a/tests/modetest/buffers.c b/tests/modetest/buffers.c index 8a8d9e01..279d7b28 100644 --- a/tests/modetest/buffers.c +++ b/tests/modetest/buffers.c @@ -353,3 +353,22 @@ void bo_destroy(struct bo *bo) free(bo); } + +void bo_dump(struct bo *bo, const char *filename) +{ + FILE *fp; + + if (!bo || !filename) + return; + + fp = fopen(filename, "wb"); + if (fp) { + void *addr; + + bo_map(bo, &addr); + printf("Dumping buffer %p to file %s.\n", bo->ptr, filename); + fwrite(bo->ptr, 1, bo->size, fp); + bo_unmap(bo); + fclose(fp); + } +} diff --git a/tests/modetest/buffers.h b/tests/modetest/buffers.h index 7f95396b..cbd54e9e 100644 --- a/tests/modetest/buffers.h +++ b/tests/modetest/buffers.h @@ -36,5 +36,6 @@ struct bo *bo_create(int fd, unsigned int format, unsigned int handles[4], unsigned int pitches[4], unsigned int offsets[4], enum util_fill_pattern pattern); void bo_destroy(struct bo *bo); +void bo_dump(struct bo *bo, const char *filename); #endif diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c index f33f303c..e8adc18e 100644 --- a/tests/modetest/modetest.c +++ b/tests/modetest/modetest.c @@ -70,6 +70,7 @@ static enum util_fill_pattern primary_fill = UTIL_PATTERN_SMPTE; static enum util_fill_pattern secondary_fill = UTIL_PATTERN_TILES; +static enum util_fill_pattern plain_fill = UTIL_PATTERN_PLAIN; struct crtc { drmModeCrtc *crtc; @@ -128,6 +129,7 @@ struct device { int use_atomic; drmModeAtomicReq *req; + int32_t *writeback_fence_fd; }; static inline int64_t U642I64(uint64_t val) @@ -135,6 +137,11 @@ static inline int64_t U642I64(uint64_t val) return (int64_t)*((int64_t *)&val); } +static inline uint64_t to_user_pointer(const void *ptr) +{ + return (uintptr_t)ptr; +} + static float mode_vrefresh(drmModeModeInfo *mode) { return mode->clock * 1000.00 @@ -813,6 +820,10 @@ struct pipe_arg { struct crtc *crtc; unsigned int fb_id[2], current_fb_id; struct timeval start; + unsigned int out_fb_id; + struct bo *out_bo; + bool custom; + bool dump; int swap_count; }; @@ -919,27 +930,43 @@ static struct crtc *pipe_find_crtc(struct device *dev, struct pipe_arg *pipe) return &dev->resources->crtcs[crtc_idx - 1]; } +static int parse_mode_string(char *mode_string, drmModeModeInfo *user_mode) +{ + return sscanf(mode_string, "%u,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%u,%s", + &user_mode->clock, &user_mode->hdisplay, &user_mode->hsync_start, + &user_mode->hsync_end, &user_mode->htotal, &user_mode->hskew, + &user_mode->vdisplay, &user_mode->vsync_start, &user_mode->vsync_end, + &user_mode->vtotal, &user_mode->vscan, &user_mode->vrefresh, + user_mode->name); +} + static int pipe_find_crtc_and_mode(struct device *dev, struct pipe_arg *pipe) { drmModeModeInfo *mode = NULL; int i; + static drmModeModeInfo user_mode; - pipe->mode = NULL; - - for (i = 0; i < (int)pipe->num_cons; i++) { - mode = connector_find_mode(dev, pipe->con_ids[i], - pipe->mode_str, pipe->vrefresh); - if (mode == NULL) { - if (pipe->vrefresh) - fprintf(stderr, - "failed to find mode " - "\"%s-%.2fHz\" for connector %s\n", - pipe->mode_str, pipe->vrefresh, pipe->cons[i]); - else - fprintf(stderr, - "failed to find mode \"%s\" for connector %s\n", - pipe->mode_str, pipe->cons[i]); + if (pipe->custom) { + if (parse_mode_string(pipe->mode_str, &user_mode) == 13) + mode = &user_mode; + else return -EINVAL; + } else { + for (i = 0; i < (int)pipe->num_cons; i++) { + mode = connector_find_mode(dev, pipe->con_ids[i], + pipe->mode_str, pipe->vrefresh); + if (mode == NULL) { + if (pipe->vrefresh) + fprintf(stderr, + "failed to find mode " + "\"%s-%.2fHz\" for connector %s\n", + pipe->mode_str, pipe->vrefresh, pipe->cons[i]); + else + fprintf(stderr, + "failed to find mode \"%s\" for connector %s\n", + pipe->mode_str, pipe->cons[i]); + return -EINVAL; + } } } @@ -1443,6 +1470,23 @@ static int pipe_resolve_connectors(struct device *dev, struct pipe_arg *pipe) return 0; } +static bool pipe_has_writeback_connector(struct device *dev, struct pipe_arg *pipes, + unsigned int count) +{ + drmModeConnector *connector; + + for (int j = 0; j < count; j++) { + struct pipe_arg *pipe = &pipes[j]; + + for (int i = 0; i < pipe->num_cons; i++) { + connector = get_connector_by_id(dev, pipe->con_ids[i]); + if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) + return true; + } + } + return false; +} + static int pipe_attempt_connector(struct device *dev, drmModeConnector *con, struct pipe_arg *pipe) { @@ -1664,6 +1708,68 @@ static void set_mode(struct device *dev, struct pipe_arg *pipes, unsigned int co } } +static void writeback_config(struct device *dev, struct pipe_arg *pipes, unsigned int count) +{ + drmModeConnector *connector; + + for (int j = 0; j < count; j++) { + struct pipe_arg *pipe = &pipes[j]; + + for (int i = 0; i < pipe->num_cons; i++) { + connector = get_connector_by_id(dev, pipe->con_ids[i]); + if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) { + bo_fb_create(dev->fd, pipes[j].fourcc, pipe->mode->hdisplay, + pipe->mode->vdisplay, plain_fill, &pipe->out_bo, + &pipe->out_fb_id); + add_property(dev, pipe->con_ids[i], "WRITEBACK_FB_ID", + pipe->out_fb_id); + add_property(dev, pipe->con_ids[i], "WRITEBACK_OUT_FENCE_PTR", + to_user_pointer(&dev->writeback_fence_fd)); + } + } + } +} + +static int poll_writeback_fence(int fd, int timeout) +{ + struct pollfd fds = { fd, POLLIN }; + int ret; + + do { + ret = poll(&fds, 1, timeout); + if (ret > 0) { + if (fds.revents & (POLLERR | POLLNVAL)) + return -EINVAL; + + return 0; + } else if (ret == 0) { + return -ETIME; + } else { + ret = -errno; + if (ret == -EINTR || ret == -EAGAIN) + continue; + return ret; + } + } while (1); + +} + +static void dump_output_fb(struct device *dev, struct pipe_arg *pipes, char *dump_path, + unsigned int count) +{ + drmModeConnector *connector; + + for (int j = 0; j < count; j++) { + struct pipe_arg *pipe = &pipes[j]; + + for (int i = 0; i < pipe->num_cons; i++) { + connector = get_connector_by_id(dev, pipe->con_ids[i]); + if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) + bo_dump(pipe->out_bo, dump_path); + } + } +} + static void atomic_clear_mode(struct device *dev, struct pipe_arg *pipes, unsigned int count) { unsigned int i; @@ -1992,7 +2098,7 @@ static void parse_fill_patterns(char *arg) static void usage(char *name) { - fprintf(stderr, "usage: %s [-acDdefMPpsCvrw]\n", name); + fprintf(stderr, "usage: %s [-acDdefMPpsCvrwx]\n", name); fprintf(stderr, "\n Query options:\n\n"); fprintf(stderr, "\t-c\tlist connectors\n"); @@ -2002,7 +2108,12 @@ static void usage(char *name) fprintf(stderr, "\n Test options:\n\n"); fprintf(stderr, "\t-P @:x[++][*][@]\tset a plane\n"); - fprintf(stderr, "\t-s [,][@]:[#][-][@]\tset a mode\n"); + fprintf(stderr, "\t-s [,][@]:[#]"); + fprintf(stderr, "[-][@]\tset a built-in mode\n"); + fprintf(stderr, "\t-x [@]:\tset a custom mode\n"); + fprintf(stderr, "\t-o \t Dump writeback output buffer to file\n"); fprintf(stderr, "\t-C\ttest hw cursor\n"); fprintf(stderr, "\t-v\ttest vsynced page flipping\n"); fprintf(stderr, "\t-r\tset the preferred mode for all connectors\n"); @@ -2019,7 +2130,7 @@ static void usage(char *name) exit(0); } -static char optstr[] = "acdD:efF:M:P:ps:Cvrw:"; +static const char optstr[] = "acdD:efF:M:o:P:ps:Cvrw:x:"; int main(int argc, char **argv) { @@ -2042,6 +2153,7 @@ int main(int argc, char **argv) struct property_arg *prop_args = NULL; unsigned int args = 0; int ret; + char *dump_path; memset(&dev, 0, sizeof dev); @@ -2080,6 +2192,10 @@ int main(int argc, char **argv) /* Preserve the default behaviour of dumping all information. */ args--; break; + case 'o': + pipe_args->dump = true; + dump_path = optarg; + break; case 'P': plane_args = realloc(plane_args, (plane_count + 1) * sizeof *plane_args); @@ -2098,6 +2214,7 @@ int main(int argc, char **argv) crtcs = 1; planes = 1; break; + case 'x': case 's': pipe_args = realloc(pipe_args, (count + 1) * sizeof *pipe_args); @@ -2109,7 +2226,7 @@ int main(int argc, char **argv) if (parse_connector(&pipe_args[count], optarg) < 0) usage(argv[0]); - + pipe_args->custom = (c == 'x'); count++; break; case 'C': @@ -2165,6 +2282,7 @@ int main(int argc, char **argv) if (use_atomic) { ret = drmSetClientCap(dev.fd, DRM_CLIENT_CAP_ATOMIC, 1); + drmSetClientCap(dev.fd, DRM_CLIENT_CAP_WRITEBACK_CONNECTORS, 1); if (ret) { fprintf(stderr, "no atomic modesetting support: %s\n", strerror(errno)); drmClose(dev.fd); @@ -2208,6 +2326,12 @@ int main(int argc, char **argv) if (set_preferred || count) set_mode(&dev, pipe_args, count); + if (pipe_has_writeback_connector(&dev, pipe_args, count)) + writeback_config(&dev, pipe_args, count); + else if (pipe_args->dump) + fprintf(stderr, + "No writeback connector found - dump will be skipped.\n"); + if (plane_count) atomic_set_planes(&dev, plane_args, plane_count, false); @@ -2217,6 +2341,20 @@ int main(int argc, char **argv) return 1; } + /* + * Since only writeback connectors have an output fb, this should only be + * called for writeback. + */ + if (pipe_has_writeback_connector(&dev, pipe_args, count)) { + ret = poll_writeback_fence(dev.writeback_fence_fd, 1000); + if (ret) + fprintf(stderr, + "Poll for writeback error: %d. Skipping Dump.\n", + ret); + else if (pipe_args->dump) + dump_output_fb(&dev, pipe_args, dump_path, count); + } + if (test_vsync) atomic_test_page_flip(&dev, pipe_args, plane_args, plane_count);