diff options
| author | Jammy Zhou <Jammy.Zhou@amd.com> | 2016-12-13 12:32:39 +0900 |
|---|---|---|
| committer | Michel Dänzer <michel@daenzer.net> | 2016-12-19 17:20:25 +0900 |
| commit | b5c189473dba2cffc9e4df310ce5c86ceca99a94 (patch) | |
| tree | 40115f54cc4689ef62eec17b90411c28c273e90b /src/amdgpu_dri3.c | |
| parent | edd276185d42962a13faf9ec9eeebc754ef284e7 (diff) | |
Use render node for DRI3 if available
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
[ Second attempt, let's see if there's any fallout this time... ]
Diffstat (limited to 'src/amdgpu_dri3.c')
| -rw-r--r-- | src/amdgpu_dri3.c | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/src/amdgpu_dri3.c b/src/amdgpu_dri3.c index f87c014..87e3d85 100644 --- a/src/amdgpu_dri3.c +++ b/src/amdgpu_dri3.c @@ -40,9 +40,7 @@ #include <errno.h> #include <libgen.h> - -static int -amdgpu_dri3_open(ScreenPtr screen, RRProviderPtr provider, int *out) +static int open_master_node(ScreenPtr screen, int *out) { ScrnInfoPtr scrn = xf86ScreenToScrn(screen); AMDGPUEntPtr pAMDGPUEnt = AMDGPUEntPriv(scrn); @@ -88,6 +86,36 @@ amdgpu_dri3_open(ScreenPtr screen, RRProviderPtr provider, int *out) return Success; } +static int open_render_node(ScreenPtr screen, int *out) +{ + ScrnInfoPtr scrn = xf86ScreenToScrn(screen); + AMDGPUEntPtr pAMDGPUEnt = AMDGPUEntPriv(scrn); + int fd; + + fd = open(pAMDGPUEnt->render_node, O_RDWR | O_CLOEXEC); + if (fd < 0) + return BadAlloc; + + *out = fd; + return Success; +} + +static int +amdgpu_dri3_open(ScreenPtr screen, RRProviderPtr provider, int *out) +{ + ScrnInfoPtr scrn = xf86ScreenToScrn(screen); + AMDGPUEntPtr pAMDGPUEnt = AMDGPUEntPriv(scrn); + int ret = BadAlloc; + + if (pAMDGPUEnt->render_node) + ret = open_render_node(screen, out); + + if (ret != Success) + ret = open_master_node(screen, out); + + return ret; +} + #if DRI3_SCREEN_INFO_VERSION >= 1 && XORG_VERSION_CURRENT <= XORG_VERSION_NUMERIC(1,18,99,1,0) static int @@ -229,6 +257,9 @@ Bool amdgpu_dri3_screen_init(ScreenPtr screen) { ScrnInfoPtr scrn = xf86ScreenToScrn(screen); + AMDGPUEntPtr pAMDGPUEnt = AMDGPUEntPriv(scrn); + + pAMDGPUEnt->render_node = drmGetRenderDeviceNameFromFd(pAMDGPUEnt->fd); if (!dri3_screen_init(screen, &amdgpu_dri3_screen_info)) { xf86DrvMsg(scrn->scrnIndex, X_WARNING, |