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authorJammy Zhou <Jammy.Zhou@amd.com>2016-02-16 16:36:33 +0900
committerMichel Dänzer <michel.daenzer@amd.com>2016-02-16 16:36:33 +0900
commitcd94248ffa7d8fe0b57476f79e7e860dee66d1b0 (patch)
tree2600d81e335fb53d48b88baa210a3fd7022bebff
parentd41fcccf2f11d0393d252e76bbbe6d233c4ac443 (diff)
Use render node for DRI3 if available
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com> (ported from amdgpu commit ea558e645786b08d75307716036045170e97b43e) Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--configure.ac2
-rw-r--r--src/radeon_dri3.c37
-rw-r--r--src/radeon_probe.h1
3 files changed, 36 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac
index 0a95420b..f2bf57c6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -71,7 +71,7 @@ XORG_DRIVER_CHECK_EXT(XV, videoproto)
XORG_DRIVER_CHECK_EXT(DPMSExtension, xextproto)
# Checks for libraries.
-PKG_CHECK_MODULES(LIBDRM, [libdrm >= 2.4.58])
+PKG_CHECK_MODULES(LIBDRM, [libdrm >= 2.4.60])
PKG_CHECK_MODULES(LIBDRM_RADEON, [libdrm_radeon])
# Obtain compiler/linker options for the driver dependencies
diff --git a/src/radeon_dri3.c b/src/radeon_dri3.c
index 1415a0df..de97f396 100644
--- a/src/radeon_dri3.c
+++ b/src/radeon_dri3.c
@@ -39,9 +39,7 @@
#include <fcntl.h>
#include <errno.h>
-
-static int
-radeon_dri3_open(ScreenPtr screen, RRProviderPtr provider, int *out)
+static int open_master_node(ScreenPtr screen, int *out)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
RADEONInfoPtr info = RADEONPTR(scrn);
@@ -86,6 +84,36 @@ radeon_dri3_open(ScreenPtr screen, RRProviderPtr provider, int *out)
return Success;
}
+static int open_render_node(ScreenPtr screen, int *out)
+{
+ ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
+ RADEONEntPtr pRADEONEnt = RADEONEntPriv(scrn);
+ int fd;
+
+ fd = open(pRADEONEnt->render_node, O_RDWR | O_CLOEXEC);
+ if (fd < 0)
+ return BadAlloc;
+
+ *out = fd;
+ return Success;
+}
+
+static int
+radeon_dri3_open(ScreenPtr screen, RRProviderPtr provider, int *out)
+{
+ ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
+ RADEONEntPtr pRADEONEnt = RADEONEntPriv(scrn);
+ int ret = BadAlloc;
+
+ if (pRADEONEnt->render_node)
+ ret = open_render_node(screen, out);
+
+ if (ret != Success)
+ ret = open_master_node(screen, out);
+
+ return ret;
+}
+
static PixmapPtr radeon_dri3_pixmap_from_fd(ScreenPtr screen,
int fd,
CARD16 width,
@@ -190,6 +218,9 @@ Bool
radeon_dri3_screen_init(ScreenPtr screen)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
+ RADEONEntPtr pRADEONEnt = RADEONEntPriv(scrn);
+
+ pRADEONEnt->render_node = drmGetRenderDeviceNameFromFd(pRADEONEnt->fd);
if (!dri3_screen_init(screen, &radeon_dri3_screen_info)) {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
diff --git a/src/radeon_probe.h b/src/radeon_probe.h
index 258c7be1..36e2ff65 100644
--- a/src/radeon_probe.h
+++ b/src/radeon_probe.h
@@ -142,6 +142,7 @@ typedef struct
#ifdef XSERVER_PLATFORM_BUS
struct xf86_platform_device *platform_dev;
#endif
+ char *render_node;
} RADEONEntRec, *RADEONEntPtr;
extern const OptionInfoRec *RADEONOptionsWeak(void);