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 drawat@vmware.com Reviewed-by: Thomas Hellstrom thellstrom@vmware.com --- drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-)
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;