diff options
author | Corbin Simpson <MostAwesomeDude@gmail.com> | 2009-12-02 12:31:04 -0800 |
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committer | Corbin Simpson <MostAwesomeDude@gmail.com> | 2009-12-02 12:58:15 -0800 |
commit | 4395d35c8a9f56d5e5614db583e700668933bfd3 (patch) | |
tree | eafe6f08fd04b78df5439e94e389c80c7a9b80b0 /src/gallium/winsys/drm/radeon/core/radeon_drm.c | |
parent | 4f77b0103d5f150845300ee8bddcef20d11a9820 (diff) |
radeong: Do ioctls before selecting pipe driver.
Diffstat (limited to 'src/gallium/winsys/drm/radeon/core/radeon_drm.c')
-rw-r--r-- | src/gallium/winsys/drm/radeon/core/radeon_drm.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/radeon/core/radeon_drm.c b/src/gallium/winsys/drm/radeon/core/radeon_drm.c index 770d7c73eb..04882507a7 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_drm.c +++ b/src/gallium/winsys/drm/radeon/core/radeon_drm.c @@ -31,12 +31,76 @@ #include "radeon_drm.h" +/* Helper function to do the ioctls needed for setup and init. */ +static void do_ioctls(int fd, struct radeon_winsys* winsys) +{ + struct drm_radeon_gem_info gem_info = {0}; + struct drm_radeon_info info = {0}; + int target = 0; + int retval; + + info.value = (unsigned long)⌖ + + /* We do things in a specific order here. + * + * First, the PCI ID. This is essential and should return usable numbers + * for all Radeons. If this fails, we probably got handed an FD for some + * non-Radeon card. + * + * The GB and Z pipe requests should always succeed, but they might not + * return sensical values for all chipsets, but that's alright because + * the pipe drivers already know that. + * + * The GEM info is actually bogus on the kernel side, as well as our side + * (see radeon_gem_info_ioctl in radeon_gem.c) but that's alright because + * we don't actually use the info for anything yet. + * XXX update the above when we can safely use vram_size instead of vram_visible */ + info.request = RADEON_INFO_DEVICE_ID; + retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info)); + if (retval) { + fprintf(stderr, "%s: Failed to get PCI ID, " + "error number %d\n", __FUNCTION__, retval); + exit(1); + } + winsys->pci_id = target; + + info.request = RADEON_INFO_NUM_GB_PIPES; + retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info)); + if (retval) { + fprintf(stderr, "%s: Failed to get GB pipe count, " + "error number %d\n", __FUNCTION__, retval); + exit(1); + } + winsys->gb_pipes = target; + + info.request = RADEON_INFO_NUM_Z_PIPES; + retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info)); + if (retval) { + fprintf(stderr, "%s: Failed to get Z pipe count, " + "error number %d\n", __FUNCTION__, retval); + exit(1); + } + winsys->z_pipes = target; + + retval = drmCommandWriteRead(fd, DRM_RADEON_GEM_INFO, + &gem_info, sizeof(gem_info)); + if (retval) { + fprintf(stderr, "%s: Failed to get MM info, error number %d\n", + __FUNCTION__, retval); + exit(1); + } + winsys->gart_size = gem_info.gart_size; + /* XXX */ + winsys->vram_size = gem_info.vram_visible; +} + /* Create a pipe_screen. */ struct pipe_screen* radeon_create_screen(struct drm_api* api, int drmFB, struct drm_create_screen_arg *arg) { struct radeon_winsys* winsys = radeon_pipe_winsys(drmFB); + do_ioctls(drmFB, winsys); if (debug_get_bool_option("RADEON_SOFTPIPE", FALSE)) { return softpipe_create_screen((struct pipe_winsys*)winsys); |