X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fwinsys%2Fdrm%2Fradeon%2Fcore%2Fradeon_drm.c;h=d70173e805d7200cc7760603dea6b197fbeed43f;hb=f0f04cd12db156ec53b7ea46fae27199af121f90;hp=dec7c065036d374bd4e3bac5ea6fe6667144a150;hpb=4ebc54795dc93f7eee200312abfa2da1b49506e3;p=mesa.git diff --git a/src/gallium/winsys/drm/radeon/core/radeon_drm.c b/src/gallium/winsys/drm/radeon/core/radeon_drm.c index dec7c065036..d70173e805d 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_drm.c +++ b/src/gallium/winsys/drm/radeon/core/radeon_drm.c @@ -29,23 +29,49 @@ * Joakim Sindholt */ -#include "softpipe/sp_winsys.h" - #include "radeon_drm.h" +#include "radeon_r300.h" +#include "radeon_buffer.h" + +#include "r300_winsys.h" +#include "trace/tr_drm.h" + +#include "util/u_memory.h" + +#include "xf86drm.h" +#include + +static struct radeon_libdrm_winsys * +radeon_winsys_create(int fd) +{ + struct radeon_libdrm_winsys *rws; + + rws = CALLOC_STRUCT(radeon_libdrm_winsys); + if (rws == NULL) { + return NULL; + } + + rws->fd = fd; + return rws; +} /* Helper function to do the ioctls needed for setup and init. */ -static void do_ioctls(int fd, struct radeon_winsys* winsys) +static void do_ioctls(int fd, struct radeon_libdrm_winsys* winsys) { struct drm_radeon_gem_info gem_info = {0}; struct drm_radeon_info info = {0}; int target = 0; int retval; + drmVersionPtr version; info.value = (unsigned long)⌖ /* We do things in a specific order here. * - * First, the PCI ID. This is essential and should return usable numbers + * DRM version first. We need to be sure we're running on a KMS chipset. + * This is also for some features. + * + * Then, 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. * @@ -55,8 +81,18 @@ static void do_ioctls(int fd, struct radeon_winsys* winsys) * * 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 */ + * we don't actually use the info for anything yet. */ + + version = drmGetVersion(fd); + if (version->version_major != 2) { + fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is " + "only compatible with 2.x.x\n", __FUNCTION__, + version->version_major, version->version_minor, + version->version_patchlevel); + drmFreeVersion(version); + exit(1); + } + info.request = RADEON_INFO_DEVICE_ID; retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info)); if (retval) { @@ -92,16 +128,18 @@ static void do_ioctls(int fd, struct radeon_winsys* winsys) exit(1); } winsys->gart_size = gem_info.gart_size; - /* XXX */ - winsys->vram_size = gem_info.vram_visible; -} - -/* Guess at whether this chipset should use r300g. - * - * I believe that this check is valid, but I haven't been exhaustive. */ -static boolean is_r3xx(int pciid) -{ - return (pciid > 0x3150) && (pciid < 0x796f); + winsys->vram_size = gem_info.vram_size; + + debug_printf("radeon: Successfully grabbed chipset info from kernel!\n" + "radeon: DRM version: %d.%d.%d ID: 0x%04x GB: %d Z: %d\n" + "radeon: GART size: %d MB VRAM size: %d MB\n", + version->version_major, version->version_minor, + version->version_patchlevel, winsys->pci_id, + winsys->gb_pipes, winsys->z_pipes, + winsys->gart_size / 1024 / 1024, + winsys->vram_size / 1024 / 1024); + + drmFreeVersion(version); } /* Create a pipe_screen. */ @@ -109,154 +147,40 @@ struct pipe_screen* radeon_create_screen(struct drm_api* api, int drmFB, struct drm_create_screen_arg *arg) { - struct radeon_winsys* rwinsys = radeon_pipe_winsys(drmFB); - do_ioctls(drmFB, rwinsys); - - if (!is_r3xx(rwinsys->pci_id) || - debug_get_bool_option("RADEON_SOFTPIPE", FALSE)) { - return softpipe_create_screen((struct pipe_winsys*)rwinsys); - } else { - radeon_setup_winsys(drmFB, rwinsys); - return r300_create_screen(rwinsys); + struct radeon_libdrm_winsys* rws; + boolean ret; + + rws = radeon_winsys_create(drmFB); + if (!rws) + return NULL; + + do_ioctls(drmFB, rws); + + /* The state tracker can organize a softpipe fallback if no hw + * driver is found. + */ + if (is_r3xx(rws->pci_id)) { + ret = radeon_setup_winsys(drmFB, rws); + if (ret == FALSE) + goto fail; + return r300_create_screen(&rws->base); } -} - -/* Create a pipe_context. */ -struct pipe_context* radeon_create_context(struct drm_api* api, - struct pipe_screen* screen) -{ - struct radeon_winsys* rwinsys = (struct radeon_winsys*)screen->winsys; - if (!is_r3xx(rwinsys->pci_id) || - debug_get_bool_option("RADEON_SOFTPIPE", FALSE)) { - return softpipe_create(screen); - } else { - return r300_create_context(screen, rwinsys); - } +fail: + FREE(rws); + return NULL; } -boolean radeon_buffer_from_texture(struct drm_api* api, - struct pipe_texture* texture, - struct pipe_buffer** buffer, - unsigned* stride) +static void radeon_drm_api_destroy(struct drm_api *api) { - /* XXX fix this */ - return r300_get_texture_buffer(texture, buffer, stride); -} - -/* Create a buffer from a handle. */ -/* XXX what's up with name? */ -struct pipe_buffer* radeon_buffer_from_handle(struct drm_api* api, - struct pipe_screen* screen, - const char* name, - unsigned handle) -{ - struct radeon_bo_manager* bom = - ((struct radeon_winsys*)screen->winsys)->priv->bom; - struct radeon_pipe_buffer* radeon_buffer; - struct radeon_bo* bo = NULL; - - bo = radeon_bo_open(bom, handle, 0, 0, 0, 0); - if (bo == NULL) { - return NULL; - } - - radeon_buffer = CALLOC_STRUCT(radeon_pipe_buffer); - if (radeon_buffer == NULL) { - radeon_bo_unref(bo); - return NULL; - } - - pipe_reference_init(&radeon_buffer->base.reference, 1); - radeon_buffer->base.screen = screen; - radeon_buffer->base.usage = PIPE_BUFFER_USAGE_PIXEL; - radeon_buffer->bo = bo; - return &radeon_buffer->base; -} - -static struct pipe_texture* -radeon_texture_from_shared_handle(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *templ, - const char *name, - unsigned stride, - unsigned handle) -{ - struct pipe_buffer *buffer; - struct pipe_texture *blanket; - - buffer = radeon_buffer_from_handle(api, screen, name, handle); - if (!buffer) { - return NULL; - } - - blanket = screen->texture_blanket(screen, templ, &stride, buffer); - - pipe_buffer_reference(&buffer, NULL); - - return blanket; -} - -static boolean radeon_shared_handle_from_texture(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *texture, - unsigned *stride, - unsigned *handle) -{ - int retval, fd; - struct drm_gem_flink flink; - struct radeon_pipe_buffer* radeon_buffer; - struct pipe_buffer *buffer; - - if (!radeon_buffer_from_texture(api, texture, &buffer, stride)) { - return FALSE; - } - - radeon_buffer = (struct radeon_pipe_buffer*)buffer; - if (!radeon_buffer->flinked) { - fd = ((struct radeon_winsys*)screen->winsys)->priv->fd; - - flink.handle = radeon_buffer->bo->handle; - - retval = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink); - if (retval) { - debug_printf("radeon: DRM_IOCTL_GEM_FLINK failed, error %d\n", - retval); - return FALSE; - } - - radeon_buffer->flink = flink.name; - radeon_buffer->flinked = TRUE; - } - - *handle = radeon_buffer->flink; - return TRUE; -} - -static boolean radeon_local_handle_from_texture(struct drm_api *api, - struct pipe_screen *screen, - struct pipe_texture *texture, - unsigned *stride, - unsigned *handle) -{ - struct pipe_buffer *buffer; - if (!radeon_buffer_from_texture(api, texture, &buffer, stride)) { - return FALSE; - } - - *handle = ((struct radeon_pipe_buffer*)buffer)->bo->handle; - - pipe_buffer_reference(&buffer, NULL); - - return TRUE; + return; } struct drm_api drm_api_hooks = { + .name = "radeon", + .driver_name = "radeon", .create_screen = radeon_create_screen, - .create_context = radeon_create_context, - .texture_from_shared_handle = radeon_texture_from_shared_handle, - .shared_handle_from_texture = radeon_shared_handle_from_texture, - .local_handle_from_texture = radeon_local_handle_from_texture, + .destroy = radeon_drm_api_destroy, }; struct drm_api* drm_api_create()