renesas/vsp-tests.git - VSP test framework

Age	Commit message (Collapse)	Author
2017-02-13	tests: Test suspend/resume on idle pipelines	Kieran Bingham
	Provide a test to verify the hardware is functional both before and after entering a suspend / resume cycle. Make use of the /sys/power/pm_test functionality provided by CONFIG_PM_DEBUG to perform the testing Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

/* drm_context.h -- IOCTLs for generic contexts -*- linux-c -*- * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com */ /*- * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> * Gareth Hughes <gareth@valinux.com> * */ #include "drmP.h" /* ================================================================ * Context bitmap support */ void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle) { if (ctx_handle < 0 || ctx_handle >= DRM_MAX_CTXBITMAP || dev->ctx_bitmap == NULL) { DRM_ERROR("Attempt to free invalid context handle: %d\n", ctx_handle); return; } DRM_LOCK(); clear_bit(ctx_handle, dev->ctx_bitmap); dev->context_sareas[ctx_handle] = NULL; DRM_UNLOCK(); return; } int drm_ctxbitmap_next(drm_device_t *dev) { int bit; if (dev->ctx_bitmap == NULL) return -1; DRM_LOCK(); bit = find_first_zero_bit( dev->ctx_bitmap, DRM_MAX_CTXBITMAP ); if (bit >= DRM_MAX_CTXBITMAP) { DRM_UNLOCK(); return -1; } set_bit(bit, dev->ctx_bitmap); DRM_DEBUG("drm_ctxbitmap_next bit : %d\n", bit); if ((bit+1) > dev->max_context) { dev->max_context = (bit+1); if (dev->context_sareas != NULL) { drm_local_map_t **ctx_sareas; ctx_sareas = realloc(dev->context_sareas, dev->max_context * sizeof(*dev->context_sareas), M_DRM, M_NOWAIT); if (ctx_sareas == NULL) { clear_bit(bit, dev->ctx_bitmap); DRM_UNLOCK(); return -1; } dev->context_sareas = ctx_sareas; dev->context_sareas[bit] = NULL; } else { /* max_context == 1 at this point */ dev->context_sareas = malloc(dev->max_context * sizeof(*dev->context_sareas), M_DRM, M_NOWAIT); if (dev->context_sareas == NULL) { clear_bit(bit, dev->ctx_bitmap); DRM_UNLOCK(); return -1; } dev->context_sareas[bit] = NULL; } } DRM_UNLOCK(); return bit; } int drm_ctxbitmap_init(drm_device_t *dev) { int i; int temp; DRM_LOCK(); dev->ctx_bitmap = malloc(PAGE_SIZE, M_DRM, M_NOWAIT | M_ZERO); if ( dev->ctx_bitmap == NULL ) { DRM_UNLOCK(); return DRM_ERR(ENOMEM); } dev->context_sareas = NULL; dev->max_context = -1; DRM_UNLOCK(); for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { temp = drm_ctxbitmap_next(dev); DRM_DEBUG( "drm_ctxbitmap_init : %d\n", temp ); } return 0; } void drm_ctxbitmap_cleanup(drm_device_t *dev) { DRM_LOCK(); if (dev->context_sareas != NULL) free(dev->context_sareas, M_DRM); free(dev->ctx_bitmap, M_DRM); DRM_UNLOCK(); } /* ================================================================ * Per Context SAREA Support */ int drm_getsareactx( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_ctx_priv_map_t request; drm_local_map_t *map; DRM_COPY_FROM_USER_IOCTL( request, (drm_ctx_priv_map_t *)data, sizeof(request) ); DRM_LOCK(); if (dev->max_context < 0 || request.ctx_id >= (unsigned) dev->max_context) { DRM_UNLOCK(); return DRM_ERR(EINVAL); } map = dev->context_sareas[request.ctx_id]; DRM_UNLOCK(); request.handle = map->handle; DRM_COPY_TO_USER_IOCTL( (drm_ctx_priv_map_t *)data, request, sizeof(request) ); return 0; } int drm_setsareactx( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_ctx_priv_map_t request; drm_local_map_t *map = NULL; DRM_COPY_FROM_USER_IOCTL( request, (drm_ctx_priv_map_t *)data, sizeof(request) ); DRM_LOCK(); TAILQ_FOREACH(map, &dev->maplist, link) { if (map->handle == request.handle) { if (dev->max_context < 0) goto bad; if (request.ctx_id >= (unsigned) dev->max_context) goto bad; dev->context_sareas[request.ctx_id] = map; DRM_UNLOCK(); return 0; } } bad: DRM_UNLOCK(); return DRM_ERR(EINVAL); } /* ================================================================ * The actual DRM context handling routines */ int drm_context_switch(drm_device_t *dev, int old, int new) { if ( test_and_set_bit( 0, &dev->context_flag ) ) { DRM_ERROR( "Reentering -- FIXME\n" ); return DRM_ERR(EBUSY); } DRM_DEBUG( "Context switch from %d to %d\n", old, new ); if ( new == dev->last_context ) { clear_bit( 0, &dev->context_flag ); return 0; } return 0; } int drm_context_switch_complete(drm_device_t *dev, int new) { dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ if ( !_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ) { DRM_ERROR( "Lock isn't held after context switch\n" ); } /* If a context switch is ever initiated when the kernel holds the lock, release that lock here. */ clear_bit( 0, &dev->context_flag ); return 0; } int drm_resctx(DRM_IOCTL_ARGS) { drm_ctx_res_t res; drm_ctx_t ctx; int i; DRM_COPY_FROM_USER_IOCTL( res, (drm_ctx_res_t *)data, sizeof(res) ); if ( res.count >= DRM_RESERVED_CONTEXTS ) { bzero(&ctx, sizeof(ctx)); for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { ctx.handle = i; if ( DRM_COPY_TO_USER( &res.contexts[i], &ctx, sizeof(ctx) ) ) return DRM_ERR(EFAULT); } } res.count = DRM_RESERVED_CONTEXTS; DRM_COPY_TO_USER_IOCTL( (drm_ctx_res_t *)data, res, sizeof(res) ); return 0; } int drm_addctx(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_ctx_t ctx; DRM_COPY_FROM_USER_IOCTL( ctx, (drm_ctx_t *)data, sizeof(ctx) ); ctx.handle = drm_ctxbitmap_next(dev); if ( ctx.handle == DRM_KERNEL_CONTEXT ) { /* Skip kernel's context and get a new one. */ ctx.handle = drm_ctxbitmap_next(dev); } DRM_DEBUG( "%d\n", ctx.handle ); if ( ctx.handle == -1 ) { DRM_DEBUG( "Not enough free contexts.\n" ); /* Should this return -EBUSY instead? */ return DRM_ERR(ENOMEM); } if (dev->driver.context_ctor && ctx.handle != DRM_KERNEL_CONTEXT) { DRM_LOCK(); dev->driver.context_ctor(dev, ctx.handle); DRM_UNLOCK(); } DRM_COPY_TO_USER_IOCTL( (drm_ctx_t *)data, ctx, sizeof(ctx) ); return 0; } int drm_modctx(DRM_IOCTL_ARGS) { /* This does nothing */ return 0; } int drm_getctx(DRM_IOCTL_ARGS) { drm_ctx_t ctx; DRM_COPY_FROM_USER_IOCTL( ctx, (drm_ctx_t *)data, sizeof(ctx) ); /* This is 0, because we don't handle any context flags */ ctx.flags = 0; DRM_COPY_TO_USER_IOCTL( (drm_ctx_t *)data, ctx, sizeof(ctx) ); return 0; } int drm_switchctx(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_ctx_t ctx; DRM_COPY_FROM_USER_IOCTL( ctx, (drm_ctx_t *)data, sizeof(ctx) ); DRM_DEBUG( "%d\n", ctx.handle ); return drm_context_switch(dev, dev->last_context, ctx.handle); } int drm_newctx(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_ctx_t ctx; DRM_COPY_FROM_USER_IOCTL( ctx, (drm_ctx_t *)data, sizeof(ctx) ); DRM_DEBUG( "%d\n", ctx.handle ); drm_context_switch_complete(dev, ctx.handle); return 0; } int drm_rmctx(DRM_IOCTL_ARGS) { DRM_DEVICE;