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libcamera & apps: Open drm device by module name 'starfive'

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Signed-off-by: Kevin.xie <kevin.xie@starfivetech.com>
This commit is contained in:
Kevin.xie
2022-08-04 11:32:45 +08:00
committed by Andy Hu
parent e6e1e9ec48
commit 4a16076c7f
2 changed files with 69 additions and 0 deletions
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package/libcamera/0014-libcamera-Open-drm-device-by-module-name-starfive.patch
+41
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@@ -0,0 +1,41 @@
From b04b58f1eea0b2fe417205846beef663c89275b7 Mon Sep 17 00:00:00 2001
From: "Kevin.xie" <kevin.xie@starfivetech.com>
Date: Wed, 3 Aug 2022 16:26:26 +0800
Subject: [PATCH] libcamera: Open drm device by module name 'starfive'
Signed-off-by: Kevin.xie <kevin.xie@starfivetech.com>
---
src/cam/drm.cpp | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/src/cam/drm.cpp b/src/cam/drm.cpp
index f253009..72c64c9 100644
--- a/src/cam/drm.cpp
+++ b/src/cam/drm.cpp
@@ -393,8 +393,8 @@ Device::~Device()
int Device::init()
{
- constexpr size_t NODE_NAME_MAX = sizeof("/dev/dri/card255");
- char name[NODE_NAME_MAX];
+ //constexpr size_t NODE_NAME_MAX = sizeof("/dev/dri/card255");
+ //char name[NODE_NAME_MAX];
int ret;
/*
@@ -404,8 +404,10 @@ int Device::init()
* from drmOpen() is of no practical use as any modern system will
* handle that through udev or an equivalent component.
*/
- snprintf(name, sizeof(name), "/dev/dri/card%u", 0);
- fd_ = open(name, O_RDWR | O_CLOEXEC);
+ //snprintf(name, sizeof(name), "/dev/dri/card%u", 0);
+ //fd_ = open(name, O_RDWR | O_CLOEXEC);
+ const char *name = "starfive";
+ fd_ = drmOpen(name, NULL);
if (fd_ < 0) {
ret = -errno;
std::cerr
--
2.17.1