From patchwork Fri Aug 29 10:12:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Herrmann X-Patchwork-Id: 4809921 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 080799F3B4 for ; Fri, 29 Aug 2014 10:13:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1748E2012D for ; Fri, 29 Aug 2014 10:13:46 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 083EB20125 for ; Fri, 29 Aug 2014 10:13:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C1CA56E6A4; Fri, 29 Aug 2014 03:13:43 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-wg0-f45.google.com (mail-wg0-f45.google.com [74.125.82.45]) by gabe.freedesktop.org (Postfix) with ESMTP id E00236E6A5 for ; Fri, 29 Aug 2014 03:13:40 -0700 (PDT) Received: by mail-wg0-f45.google.com with SMTP id k14so1881422wgh.28 for ; Fri, 29 Aug 2014 03:13:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=3f+AFJZeYBOtlsAlL+lTufWtzdFrcm+DdZOc/u0PQD4=; b=Y8TKfQWRD/D33+HqSsR5J0R+BQvg69hyGTQGo/0/Fs8TVLs1Rft6dyo39Q+bXDJffk TdH1Yz43nE1tSHSi27eY1dDfuGT7NzsiNIotKu8qg6NKu5uSdARDzo65la96ry+8qvOC EaEVeIIqQWtYgMWFjBDfQBu6lvCOWdSwqcZNX74mgyj4HgmG1rN6x+hu5UGtGsxf12dJ f42apbNtM6dhFVnvD5S4lS+NPGRHCjNSn/7SeDKB03EMlxkK43n2+hno+0R/znp0BP6O pX28xBdt3kE7V+YDPYg45HMzokmCzTlGxMXi+6nn37T0YGrvCcQlB3lEQmpDkMeRPRK+ vfew== X-Received: by 10.180.212.77 with SMTP id ni13mr2816772wic.42.1409307220052; Fri, 29 Aug 2014 03:13:40 -0700 (PDT) Received: from david-tp.localdomain (stgt-4d02e0c1.pool.mediaWays.net. [77.2.224.193]) by mx.google.com with ESMTPSA id la2sm17479347wjb.5.2014.08.29.03.13.38 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 29 Aug 2014 03:13:39 -0700 (PDT) From: David Herrmann To: dri-devel@lists.freedesktop.org Subject: [PATCH 12/20] drm: drop DRM_DEBUG_CODE Date: Fri, 29 Aug 2014 12:12:38 +0200 Message-Id: <1409307166-12396-13-git-send-email-dh.herrmann@gmail.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1409307166-12396-1-git-send-email-dh.herrmann@gmail.com> References: <1409307166-12396-1-git-send-email-dh.herrmann@gmail.com> Cc: Daniel Vetter X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP DRM_DEBUG_CODE is currently always set, so distributions enable it. The only reason to keep support in code is if developers wanted to disable debug support. Sounds unlikely. All the DRM_DEBUG() printks are still guarded by a drm_debug read. So if its cacheline is read once, they're discarded pretty fast.. There should hardly be any performance penalty, it's even guarded by unlikely(). Signed-off-by: David Herrmann Reviewed-by: Thierry Reding --- drivers/gpu/drm/drm_debugfs.c | 2 -- drivers/gpu/drm/drm_vm.c | 4 ---- drivers/gpu/drm/radeon/radeon.h | 17 ++++++++++++----- drivers/gpu/drm/radeon/radeon_ring.c | 21 --------------------- include/drm/drmP.h | 12 ------------ 5 files changed, 12 insertions(+), 44 deletions(-) diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c index 13bd429..4491dbd 100644 --- a/drivers/gpu/drm/drm_debugfs.c +++ b/drivers/gpu/drm/drm_debugfs.c @@ -49,9 +49,7 @@ static const struct drm_info_list drm_debugfs_list[] = { {"clients", drm_clients_info, 0}, {"bufs", drm_bufs_info, 0}, {"gem_names", drm_gem_name_info, DRIVER_GEM}, -#if DRM_DEBUG_CODE {"vma", drm_vma_info, 0}, -#endif }; #define DRM_DEBUGFS_ENTRIES ARRAY_SIZE(drm_debugfs_list) diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index 967e570..4b3e9c4 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -683,8 +683,6 @@ void drm_legacy_vma_flush(struct drm_device *dev) } } -#if DRM_DEBUG_CODE - int drm_vma_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; @@ -738,5 +736,3 @@ int drm_vma_info(struct seq_file *m, void *data) mutex_unlock(&dev->struct_mutex); return 0; } - -#endif diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 83a2461..5cfa574 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -2761,18 +2761,25 @@ void radeon_atombios_fini(struct radeon_device *rdev); /* * RING helpers. */ -#if DRM_DEBUG_CODE == 0 + +/** + * radeon_ring_write - write a value to the ring + * + * @ring: radeon_ring structure holding ring information + * @v: dword (dw) value to write + * + * Write a value to the requested ring buffer (all asics). + */ static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v) { + if (ring->count_dw <= 0) + DRM_ERROR("radeon: writing more dwords to the ring than expected!\n"); + ring->ring[ring->wptr++] = v; ring->wptr &= ring->ptr_mask; ring->count_dw--; ring->ring_free_dw--; } -#else -/* With debugging this is just too big to inline */ -void radeon_ring_write(struct radeon_ring *ring, uint32_t v); -#endif /* * ASICs macro. diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index d656079..6f2a9bd 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -45,27 +45,6 @@ static int radeon_debugfs_ring_init(struct radeon_device *rdev, struct radeon_ring *ring); /** - * radeon_ring_write - write a value to the ring - * - * @ring: radeon_ring structure holding ring information - * @v: dword (dw) value to write - * - * Write a value to the requested ring buffer (all asics). - */ -void radeon_ring_write(struct radeon_ring *ring, uint32_t v) -{ -#if DRM_DEBUG_CODE - if (ring->count_dw <= 0) { - DRM_ERROR("radeon: writing more dwords to the ring than expected!\n"); - } -#endif - ring->ring[ring->wptr++] = v; - ring->wptr &= ring->ptr_mask; - ring->count_dw--; - ring->ring_free_dw--; -} - -/** * radeon_ring_supports_scratch_reg - check if the ring supports * writing to scratch registers * diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 8b3f3b7..8f55875 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -140,9 +140,6 @@ int drm_err(const char *func, const char *format, ...); /** \name Begin the DRM... */ /*@{*/ -#define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then - also include looping detection. */ - #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ /*@}*/ @@ -188,7 +185,6 @@ int drm_err(const char *func, const char *format, ...); * \param fmt printf() like format string. * \param arg arguments */ -#if DRM_DEBUG_CODE #define DRM_DEBUG(fmt, args...) \ do { \ if (unlikely(drm_debug & DRM_UT_CORE)) \ @@ -210,12 +206,6 @@ int drm_err(const char *func, const char *format, ...); if (unlikely(drm_debug & DRM_UT_PRIME)) \ drm_ut_debug_printk(__func__, fmt, ##args); \ } while (0) -#else -#define DRM_DEBUG_DRIVER(fmt, args...) do { } while (0) -#define DRM_DEBUG_KMS(fmt, args...) do { } while (0) -#define DRM_DEBUG_PRIME(fmt, args...) do { } while (0) -#define DRM_DEBUG(fmt, arg...) do { } while (0) -#endif /*@}*/ @@ -1348,9 +1338,7 @@ void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf); -#if DRM_DEBUG_CODE extern int drm_vma_info(struct seq_file *m, void *data); -#endif /* Scatter Gather Support (drm_scatter.h) */ extern void drm_legacy_sg_cleanup(struct drm_device *dev);