dri/common: remove unused drm_version variable

As of last commit the only user of it (radeon/r200) no longer uses it.
As such let's remove it and cleanup the nasty hacks that we had in place
to support this.

v2: Leave LIBDRM_CFLAGS around.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> (v1)
Reviewed-by: Marek Olšák <marek.olsak@amd.com> (v1)

src/mesa/drivers/dri/common/Android.mk

@@ -43,11 +43,6 @@ LOCAL_EXPORT_C_INCLUDE_DIRS := \
     $(LOCAL_PATH) \
     $(intermediates)
 
-ifneq ($(filter-out swrast,$(MESA_GPU_DRIVERS)),)
-LOCAL_CFLAGS := -DHAVE_LIBDRM
-LOCAL_SHARED_LIBRARIES := libdrm
-endif
-
 LOCAL_SRC_FILES := \
 	$(DRI_COMMON_FILES) \
 	$(XMLCONFIG_FILES)

src/mesa/drivers/dri/common/Makefile.am

@@ -32,6 +32,7 @@ AM_CFLAGS = \
 	-I$(top_srcdir)/src/mesa/ \
 	-I$(top_srcdir)/src/gallium/include \
 	-I$(top_srcdir)/src/gallium/auxiliary \
+	$(LIBDRM_CFLAGS) \
 	$(DEFINES) \
 	$(VISIBILITY_CFLAGS)
 
@@ -53,10 +54,3 @@ libdri_test_stubs_la_CFLAGS = $(AM_CFLAGS) -DNO_MAIN
 libmegadriver_stub_la_SOURCES = $(megadriver_stub_FILES)
 
 sysconf_DATA = drirc
-
-if DRICOMMON_NEED_LIBDRM
-AM_CFLAGS += $(LIBDRM_CFLAGS)
-libdricommon_la_LIBADD = $(LIBDRM_LIBS)
-else
-AM_CFLAGS += -UHAVE_LIBDRM
-endif

src/mesa/drivers/dri/common/SConscript

@@ -32,8 +32,6 @@ drienv.AppendUnique(LIBS = [
     'expat',
 ])
 
-drienv.PkgUseModules('DRM')
-
 sources = drienv.ParseSourceList('Makefile.sources', ['DRI_COMMON_FILES', 'XMLCONFIG_FILES' ])
 
 dri_common = drienv.ConvenienceLibrary(

src/mesa/drivers/dri/common/dri_util.c

@@ -40,9 +40,6 @@
 
 
 #include <stdbool.h>
-#ifdef HAVE_LIBDRM
-#include <xf86drm.h>
-#endif
 #include "dri_util.h"
 #include "utils.h"
 #include "xmlpool.h"
@@ -137,18 +134,6 @@ driCreateNewScreen2(int scrn, int fd,
 
     setupLoaderExtensions(psp, extensions);
 
-#ifdef HAVE_LIBDRM
-    if (fd != -1) {
-       drmVersionPtr version = drmGetVersion(fd);
-       if (version) {
-          psp->drm_version.major = version->version_major;
-          psp->drm_version.minor = version->version_minor;
-          psp->drm_version.patch = version->version_patchlevel;
-          drmFreeVersion(version);
-       }
-    }
-#endif
-
     psp->loaderPrivate = data;
 
     psp->extensions = emptyExtensionList;

src/mesa/drivers/dri/common/dri_util.h

@@ -148,11 +148,6 @@ struct __DRIscreenRec {
      */
     int fd;
 
-    /**
-     * DRM (kernel module) version information.
-     */
-    __DRIversion drm_version;
-
     /**
      * Device-dependent private information (not stored in the SAREA).
      *