[PATCH xserver] Require libdrm 2.4.89 or newer

[Keith Packard]

Both autotools and meson build systems had complicated logic around
what version of libdrm to require for various options. Remove that and
just check for a new enough version to support all of the options
which need libdrm.

Signed-off-by: Keith Packard <keithp at keithp.com>
---
 configure.ac |  7 +------
 meson.build  | 12 ++----------
 2 files changed, 3 insertions(+), 16 deletions(-)

diff --git a/configure.ac b/configure.ac
index 439d42390..0ba7550a1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1281,12 +1281,7 @@ AM_CONDITIONAL(DRI3, test "x$DRI3" = xyes)
 if test "x$DRI" = xyes || test "x$DRI2" = xyes || test "x$DRI3" = xyes || test "x$CONFIG_UDEV_KMS" = xyes; then
 	if test "x$DRM" = xyes; then
 		AC_DEFINE(WITH_LIBDRM, 1, [Building with libdrm support])
-		if test "x$DRI2" = xyes; then
-			dnl 2.4.65 is required for drmGetDevice
-			PKG_CHECK_MODULES([LIBDRM], libdrm >= 2.4.65)
-		else
-			PKG_CHECK_MODULES([LIBDRM], $LIBDRM)
-		fi
+		PKG_CHECK_MODULES([LIBDRM], $LIBDRM)
 	fi
 fi
 
diff --git a/meson.build b/meson.build
index 4748724e3..90ba18a66 100644
--- a/meson.build
+++ b/meson.build
@@ -301,16 +301,8 @@ else
 endif
 
 libdrm_required = (get_option('dri1') == 'true') or (get_option('dri2') == 'true') or (get_option('dri3') == 'true')
-libdrm_dep = dependency('libdrm', version: '>= 2.3.1', required: libdrm_required)
-build_modesetting = false
-if libdrm_dep.found()
-  if build_dri2
-    # 2.4.65 is required for drmGetDevice
-    dependency('libdrm', version: '>= 2.4.65')
-  endif
-  # 2.4.46 is required for cursor hotspot support.
-  build_modesetting = libdrm_dep.version().version_compare('>= 2.4.46')
-endif
+libdrm_dep = dependency('libdrm', version: '>= 2.4.89', required: libdrm_required)
+build_modesetting = libdrm_dep.found()
 
 build_vbe = false
 if get_option('vbe') == 'auto'
-- 
2.15.1