kinfocenter: check if drmIsKMS() is available

available since libdrm v2.4.105, for reference:
https://lore.kernel.org/amd-gfx/20210407142642.11485-1-leo.liu@amd.com/T/

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>

kinfocenter/CMakeLists.txt

@@ -3,10 +3,34 @@ include(CheckCXXSymbolExists)
 include_directories( ${KDE4_INCLUDES} )
 add_definitions( -DKDE_DEFAULT_DEBUG_AREA=1208 )
 
+# info_fbsd.cpp
+check_include_files(devinfo.h HAVE_DEVINFO_H)
+
+# opengl.cpp
+if(LIBDRM_FOUND)
+    cmake_reset_check_state()
+    set(CMAKE_REQUIRED_INCLUDES ${LIBDRM_INCLUDE_DIR})
+    set(CMAKE_REQUIRED_LIBRARIES ${LIBDRM_LIBRARIES})
+    check_symbol_exists(drmIsKMS "xf86drmMode.h" HAVE_DRMISKMS)
+    cmake_reset_check_state()
+else()
+    set(HAVE_DRMISKMS FALSE)
+endif()
+
+configure_file (
+    config-infocenter.h.cmake
+    ${CMAKE_CURRENT_BINARY_DIR}/config-infocenter.h
+)
+include_directories(
+    ${CMAKE_CURRENT_BINARY_DIR}
+)
+
 add_subdirectory( Categories )
 add_subdirectory( Modules )
 
-INCLUDE_DIRECTORIES( ToolTips )
+include_directories(
+    ToolTips
+)
 
 set( kinfocenter_SRCS
     infocenter.cpp

kinfocenter/Modules/base/CMakeLists.txt

@@ -1,6 +0,0 @@
-check_include_files(devinfo.h HAVE_DEVINFO_H)       # info_fbsd.cpp
-
-configure_file (
-    ../base/config-infocenter.h.cmake
-    ${CMAKE_CURRENT_BINARY_DIR}/config-infocenter.h
-)

kinfocenter/Modules/info/CMakeLists.txt

@@ -1,7 +1,5 @@
 
 # OS Base includes
-include(../base/CMakeLists.txt)
-
 include_directories( 
     ${CMAKE_CURRENT_SOURCE_DIR}/../base
 )

kinfocenter/Modules/opengl/opengl.cpp

@@ -22,6 +22,7 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
+#include "config-infocenter.h" // HAVE_DRMISKMS
 #include "opengl.h"
 
 #include <KPluginFactory>
@@ -219,7 +220,9 @@ static QTreeWidgetItem *print_drm_info(QTreeWidgetItem *l1, QTreeWidgetItem *aft
         QString dri_description = QString::fromLatin1(driVer->desc, driVer->desc_len);
         QString dri_version = QString::fromLatin1("%1.%2.%3").arg(driVer->version_major).arg(driVer->version_minor).arg(driVer->version_patchlevel);
         QString dri_bus = QString::fromLatin1(driBus);
+#ifdef HAVE_DRMISKMS
         bool dri_kms = (drmIsKMS(driFd) == 1);
+#endif
 
         drmFreeBusid(driBus);
         drmFreeVersion(driVer);
@@ -231,7 +234,9 @@ static QTreeWidgetItem *print_drm_info(QTreeWidgetItem *l1, QTreeWidgetItem *aft
         l3 = newItem(l2, l3, i18n("Description"), dri_description);
         l3 = newItem(l2, l3, i18n("Version"), dri_version);
         l3 = newItem(l2, l3, i18n("Bus"), dri_bus);
+#ifdef HAVE_DRMISKMS
         l3 = newItem(l2, l3, i18n("Kernel mode-setting"), dri_kms ? i18n("Yes") : i18n("No"));
+#endif
     }
 
 #ifdef UNDEFINE_MAX3

kinfocenter/Modules/pci/CMakeLists.txt

@@ -1,7 +1,5 @@
 
 # OS Base includes
-include(../base/CMakeLists.txt)
-
 include_directories( 
     ${CMAKE_CURRENT_SOURCE_DIR}/../base
 )

kinfocenter/config-infocenter.h.cmake

@@ -1,5 +1,5 @@
-/* Defines if you have libdevinfo of Solaris 7 or later */
-#undef HAVE_LIBDEVINFO_H
-
 /* Define to 1 if you have the <devinfo.h> header file. */
 #cmakedefine HAVE_DEVINFO_H 1
+
+/* Defines if you have drmIsKMS() */
+#cmakedefine HAVE_DRMISKMS 1