From b2130cca9c8db5073b71d832da2a6c8311a8f3bb Mon Sep 17 00:00:00 2001 From: YueHaibing Date: Fri, 1 Mar 2019 09:47:43 -0800 Subject: drm/vmwgfx: Remove set but not used variable 'restart' Fixes gcc '-Wunused-but-set-variable' warning: drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c: In function 'vmw_cmdbuf_work_func': drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c:514:7: warning: variable 'restart' set but not used [-Wunused-but-set-variable] It not used any more after commit dc366364c4ef ("drm/vmwgfx: Fix multiple command buffer context use") Signed-off-by: YueHaibing Reviewed-by: Deepak Rawat Signed-off-by: Deepak Rawat Fixes: dc366364c4ef ("drm/vmwgfx: Fix multiple command buffer context use") --- drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c') diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c index 70dab55e7888..ed15655eacd2 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c @@ -511,17 +511,14 @@ static void vmw_cmdbuf_work_func(struct work_struct *work) container_of(work, struct vmw_cmdbuf_man, work); struct vmw_cmdbuf_header *entry, *next; uint32_t dummy; - bool restart[SVGA_CB_CONTEXT_MAX]; bool send_fence = false; struct list_head restart_head[SVGA_CB_CONTEXT_MAX]; int i; struct vmw_cmdbuf_context *ctx; bool global_block = false; - for_each_cmdbuf_ctx(man, i, ctx) { + for_each_cmdbuf_ctx(man, i, ctx) INIT_LIST_HEAD(&restart_head[i]); - restart[i] = false; - } mutex_lock(&man->error_mutex); spin_lock(&man->lock); @@ -533,7 +530,6 @@ static void vmw_cmdbuf_work_func(struct work_struct *work) const char *cmd_name; list_del_init(&entry->list); - restart[entry->cb_context] = true; global_block = true; if (!vmw_cmd_describe(header, &error_cmd_size, &cmd_name)) { -- cgit v1.2.3 From 4062dd3e6ad6b6fbc910406562a41c7110e5374d Mon Sep 17 00:00:00 2001 From: Deepak Rawat Date: Wed, 13 Feb 2019 15:39:51 -0800 Subject: drm/vmwgfx: Use VMW_DEBUG_USER for device command buffer errors DRM_ERROR overwhelms dmesgi so use VMW_DEBUG_USER instead. Any malformed command should not really go to device so WARN_ONCE to spot this. Signed-off-by: Deepak Rawat Reviewed-by: Thomas Hellstrom --- drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c') diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c index ed15655eacd2..56979e412ca8 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c @@ -393,6 +393,7 @@ static void vmw_cmdbuf_ctx_process(struct vmw_cmdbuf_man *man, __vmw_cmdbuf_header_free(entry); break; case SVGA_CB_STATUS_COMMAND_ERROR: + WARN_ONCE(true, "Command buffer error.\n"); entry->cb_header->status = SVGA_CB_STATUS_NONE; list_add_tail(&entry->list, &man->error); schedule_work(&man->work); @@ -533,19 +534,20 @@ static void vmw_cmdbuf_work_func(struct work_struct *work) global_block = true; if (!vmw_cmd_describe(header, &error_cmd_size, &cmd_name)) { - DRM_ERROR("Unknown command causing device error.\n"); - DRM_ERROR("Command buffer offset is %lu\n", - (unsigned long) cb_hdr->errorOffset); + VMW_DEBUG_USER("Unknown command causing device error.\n"); + VMW_DEBUG_USER("Command buffer offset is %lu\n", + (unsigned long) cb_hdr->errorOffset); __vmw_cmdbuf_header_free(entry); send_fence = true; continue; } - DRM_ERROR("Command \"%s\" causing device error.\n", cmd_name); - DRM_ERROR("Command buffer offset is %lu\n", - (unsigned long) cb_hdr->errorOffset); - DRM_ERROR("Command size is %lu\n", - (unsigned long) error_cmd_size); + VMW_DEBUG_USER("Command \"%s\" causing device error.\n", + cmd_name); + VMW_DEBUG_USER("Command buffer offset is %lu\n", + (unsigned long) cb_hdr->errorOffset); + VMW_DEBUG_USER("Command size is %lu\n", + (unsigned long) error_cmd_size); new_start_offset = cb_hdr->errorOffset + error_cmd_size; -- cgit v1.2.3