From: Dan Carpenter Date: Wed, 29 Oct 2014 15:47:07 +0000 Subject: [patch] drm/radeon: remove some buggy dead code Message-Id: <20141029154707.GA5290@mwanda> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Alex Deucher Cc: kernel-janitors@vger.kernel.org, Christian =?iso-8859-1?Q?K=F6nig?= , dri-devel@lists.freedesktop.org The calculation of "num_shader_engines" has a precedence bug because the right shift happens before the mask, but this variable is never used so we can just delete it. Signed-off-by: Dan Carpenter diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index a31f1ca..f37d39d 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3005,7 +3005,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev) u32 vgt_cache_invalidation; u32 hdp_host_path_cntl, tmp; u32 disabled_rb_mask; - int i, j, num_shader_engines, ps_thread_count; + int i, j, ps_thread_count; switch (rdev->family) { case CHIP_CYPRESS: @@ -3303,8 +3303,6 @@ static void evergreen_gpu_init(struct radeon_device *rdev) rdev->config.evergreen.tile_config | ((gb_addr_config & 0x30000000) >> 28) << 12; - num_shader_engines = (gb_addr_config & NUM_SHADER_ENGINES(3) >> 12) + 1; - if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) { u32 efuse_straps_4; u32 efuse_straps_3;