From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Airlie Subject: [git pull] drm fixes Date: Mon, 15 Feb 2010 05:09:29 +0000 (GMT) Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.sourceforge.net To: torvalds@linux-foundation.org Cc: linux-kernel@vger.kernel.org, dri-devel@lists.sf.net List-Id: dri-devel@lists.freedesktop.org Two ttm regression fixes from Thomas, and one alpha unaligned issue in the atom parser for radeon KMS. The following changes since commit 724e6d3fe8003c3f60bf404bf22e4e331327c596: Linus Torvalds (1): Linux 2.6.33-rc8 are available in the git repository at: ssh://master.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git drm-linus Matt Turner (1): drm/radeon/kms/atom: use get_unaligned_le32() for ctx->ps Thomas Hellstrom (2): drm: Fix a bug in the range manager. drm/ttm: Fix a bug occuring when validating a buffer object in a range. drivers/gpu/drm/drm_mm.c | 3 ++- drivers/gpu/drm/radeon/atom.c | 5 ++++- drivers/gpu/drm/ttm/ttm_bo.c | 6 ++++++ 3 files changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index cdec329..2ac074c 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -405,7 +405,8 @@ struct drm_mm_node *drm_mm_search_free_in_range(const struct drm_mm *mm, wasted += alignment - tmp; } - if (entry->size >= size + wasted) { + if (entry->size >= size + wasted && + (entry->start + wasted + size) <= end) { if (!best_match) return entry; if (entry->size < best_size) { diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index e3b4456..2a3df55 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -24,6 +24,7 @@ #include #include +#include #define ATOM_DEBUG @@ -212,7 +213,9 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr, case ATOM_ARG_PS: idx = U8(*ptr); (*ptr)++; - val = le32_to_cpu(ctx->ps[idx]); + /* get_unaligned_le32 avoids unaligned accesses from atombios + * tables, noticed on a DEC Alpha. */ + val = get_unaligned_le32((u32 *)&ctx->ps[idx]); if (print) DEBUG("PS[0x%02X,0x%04X]", idx, val); break; diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 1a3e909..c7320ce 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1020,6 +1020,12 @@ static int ttm_bo_mem_compat(struct ttm_placement *placement, struct ttm_mem_reg *mem) { int i; + struct drm_mm_node *node = mem->mm_node; + + if (node && placement->lpfn != 0 && + (node->start < placement->fpfn || + node->start + node->size > placement->lpfn)) + return -1; for (i = 0; i < placement->num_placement; i++) { if ((placement->placement[i] & mem->placement & ------------------------------------------------------------------------------ SOLARIS 10 is the OS for Data Centers - provides features such as DTrace, Predictive Self Healing and Award Winning ZFS. Get Solaris 10 NOW http://p.sf.net/sfu/solaris-dev2dev --