Re: mesa 12.0.2 amdgpu
Albert Freeman <[email protected]>
| Newsgroups | gmane.comp.video.mesa3d.user |
|---|---|
| Message-ID | <CAHD8uZOpDAseWLbKcGCtDwXpPQ3L88goCJV6cb2wBVVHOG9v4Q@mail.gmail.com> |
1. libdrm does support amdgpu, in fact its required for mesa radeonsi drivers (with or without amdgpu) 2. Try the attached diff On 11 October 2016 at 09:32, Minkyu Lee <[email protected]> wrote: > Hi, > > I built mesa-12.0.2 with “—wtih-gallium-drivers=radeonsi” in order to make > amdgpu work in mesa. The mesa is built successfully. However, it seems that > drm_get_pci_id_for_fd() in > mesa/src/loader/loader.c:loader_get_pci_id_for_fd() cannot find pci_id. > > Therefore, I have two problems: > 1. Does libdrm supports amdgpu? Or does amdgpu can only be ran with > libudev, syses, or devq ? > (I listed these because loader_get_pci_id_for_fd provides these three > environments in addition to libdrm) > > 2. If libdrm supports amdgpu, what kind of code should be added in > drm_get_pci_id_for_fd()? > > Thanks > > _______________________________________________ > mesa-users mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/mesa-users > _______________________________________________ mesa-users mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-users
amdgpuloaderpatch.diff
(text/plain, 1.3 KB)
diff --git a/mesa/src/loader/loader.c b/mesa2/src/loader/loader.c
index 3e60e4c..68ff4c1 100644
--- a/mesa/src/loader/loader.c
+++ b/mesa2/src/loader/loader.c
@@ -515,6 +515,8 @@ sysfs_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id)
#include <i915_drm.h>
/* for radeon */
#include <radeon_drm.h>
+/* for amdgpu */
+#include <amdgpu_drm.h>
static int
drm_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id)
@@ -564,6 +566,26 @@ drm_get_pci_id_for_fd(int fd, int *vendor_id, int *chip_id)
*chip_id = -1;
}
}
+ else if (strcmp(version->name, "amdgpu") == 0) {
+ struct drm_amdgpu_info info;
+ struct drm_amdgpu_info_device info_device;
+ int ret;
+
+ *vendor_id = 0x1002;
+
+ memset(&info, 0, sizeof(info));
+ memset(&info_device, 0, sizeof(info_device));
+ info.query = AMDGPU_INFO_DEV_INFO;
+ info.return_pointer = (long) &info_device;
+ info.return_size = sizeof(struct drm_amdgpu_info_device);
+ ret = drmCommandWriteRead(fd, DRM_AMDGPU_INFO, &info, sizeof(info));
+ if (ret) {
+ log_(_LOADER_WARNING, "MESA-LOADER: failed to get info for amdgpu\n");
+ *chip_id = -1;
+ } else {
+ *chip_id = info_device.device_id;
+ }
+ }
else if (strcmp(version->name, "nouveau") == 0) {
*vendor_id = 0x10de;
/* not used */