diff options
| -rw-r--r-- | src/soc/intel/common/block/graphics/graphics.c | 53 |
1 files changed, 32 insertions, 21 deletions
diff --git a/src/soc/intel/common/block/graphics/graphics.c b/src/soc/intel/common/block/graphics/graphics.c index e744ca7f05..9b780da210 100644 --- a/src/soc/intel/common/block/graphics/graphics.c +++ b/src/soc/intel/common/block/graphics/graphics.c @@ -280,33 +280,44 @@ static void graphics_dev_read_resources(struct device *dev) } } -static void graphics_dev_final(struct device *dev) +static void graphics_join_mbus(void) { - pci_dev_request_bus_master(dev); - - if (CONFIG(SOC_INTEL_GFX_MBUS_JOIN)) { - enum display_type type = get_external_display_status(); - uint32_t hashing_mode = 0; /* 2x2 */ - if (type == INTERNAL_DISPLAY_ONLY) { - hashing_mode = GFX_MBUS_HASHING_MODE; /* 1x4 */ - /* Only eDP pipes is joining the MBUS */ - graphics_gtt_rmw(GFX_MBUS_SEL(PIPE_A), PIPE_A, GFX_MBUS_JOIN | hashing_mode); - } else if (type == DUAL_DISPLAY) { - /* All pipes are joining the MBUS */ - graphics_gtt_rmw(GFX_MBUS_SEL(PIPE_A), PIPE_A, GFX_MBUS_JOIN | hashing_mode); - graphics_gtt_rmw(GFX_MBUS_SEL(PIPE_B), PIPE_B, GFX_MBUS_JOIN | hashing_mode); - graphics_gtt_rmw(GFX_MBUS_SEL(PIPE_C), PIPE_C, GFX_MBUS_JOIN | hashing_mode); + enum display_type type = get_external_display_status(); + uint32_t hashing_mode = 0; /* 2x2 */ + if (type == INTERNAL_DISPLAY_ONLY) { + hashing_mode = GFX_MBUS_HASHING_MODE; /* 1x4 */ + /* Only eDP pipes is joining the MBUS */ + graphics_gtt_rmw(GFX_MBUS_SEL(PIPE_A), PIPE_A, GFX_MBUS_JOIN | hashing_mode); + } else if (type == DUAL_DISPLAY) { + /* All pipes are joining the MBUS */ + graphics_gtt_rmw(GFX_MBUS_SEL(PIPE_A), PIPE_A, GFX_MBUS_JOIN | hashing_mode); + graphics_gtt_rmw(GFX_MBUS_SEL(PIPE_B), PIPE_B, GFX_MBUS_JOIN | hashing_mode); + graphics_gtt_rmw(GFX_MBUS_SEL(PIPE_C), PIPE_C, GFX_MBUS_JOIN | hashing_mode); #if CONFIG(INTEL_GMA_VERSION_2) - graphics_gtt_rmw(GFX_MBUS_SEL(PIPE_D), PIPE_D, GFX_MBUS_JOIN | hashing_mode); + graphics_gtt_rmw(GFX_MBUS_SEL(PIPE_D), PIPE_D, GFX_MBUS_JOIN | hashing_mode); #endif - } else { - /* No pipe joins the MBUS */ - graphics_gtt_rmw(GFX_MBUS_CTL, GFX_MBUS_JOIN_PIPE_SEL, - GFX_MBUS_JOIN | hashing_mode); - } + } else { + /* No pipe joins the MBUS */ + graphics_gtt_rmw(GFX_MBUS_CTL, GFX_MBUS_JOIN_PIPE_SEL, + GFX_MBUS_JOIN | hashing_mode); } } +static void graphics_dev_final(struct device *dev) +{ + pci_dev_request_bus_master(dev); + + /* + * Call function to join the MBUS if GFX PEIM module inside FSP + * binary is taking care of graphics initialization based on + * RUN_FSP_GOP config option. + * + * Skip FW joining the MBUS in case of non-FSP solution. + */ + if (CONFIG(RUN_FSP_GOP) && CONFIG(SOC_INTEL_GFX_MBUS_JOIN) && display_init_required()) + graphics_join_mbus(); +} + const struct device_operations graphics_ops = { .read_resources = graphics_dev_read_resources, .set_resources = pci_dev_set_resources, |