Hello Zhi Wang, The patch 04d348ae3f0a: "drm/i915/gvt: vGPU display virtualization" from Apr 25, 2016, leads to the following static checker warning: drivers/gpu/drm/i915/gvt/edid.c:506 intel_gvt_i2c_handle_aux_ch_write() warn: odd binop '0x0 & 0xff' drivers/gpu/drm/i915/gvt/edid.c 501 /* write the return value in AUX_CH_DATA reg which includes: 502 * ACK of I2C_WRITE 503 * returned byte if it is READ 504 */ 505 506 aux_data_for_write |= (GVT_AUX_I2C_REPLY_ACK & 0xff) << 24; GVT_AUX_I2C_REPLY_ACK is 0 << 6. Which is weird. The whole line is a no-op. 507 vgpu_vreg(vgpu, offset + 4) = aux_data_for_write; 508 } regards, dan carpenter _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
