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-rw-r--r--src/soc/intel/common/block/graphics/early_graphics.c13
-rw-r--r--src/soc/intel/common/block/include/intelblocks/early_graphics.h3
2 files changed, 16 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/graphics/early_graphics.c b/src/soc/intel/common/block/graphics/early_graphics.c
index 81faede2fa..c8a1d84174 100644
--- a/src/soc/intel/common/block/graphics/early_graphics.c
+++ b/src/soc/intel/common/block/graphics/early_graphics.c
@@ -3,6 +3,7 @@
#include <device/pci.h>
#include <drivers/intel/gma/libgfxinit.h>
#include <intelblocks/early_graphics.h>
+#include <soc/gpio.h>
#include <soc/pci_devs.h>
static void device_init(void)
@@ -20,9 +21,17 @@ static void device_init(void)
(PCI_COMMAND_IO | PCI_COMMAND_MEMORY));
}
+__weak const struct pad_config *variant_early_graphics_gpio_table(size_t *num)
+{
+ *num = 0;
+ return NULL;
+}
+
bool early_graphics_init(void)
{
int ret;
+ const struct pad_config *pads;
+ size_t pads_num;
if (!CONFIG(MAINBOARD_USE_EARLY_LIBGFXINIT))
return false;
@@ -30,6 +39,10 @@ bool early_graphics_init(void)
/* Perform minimal graphic MMIO configuration. */
device_init();
+ /* Optionally configure any required display related GPIOs */
+ pads = variant_early_graphics_gpio_table(&pads_num);
+ gpio_configure_pads(pads, pads_num);
+
/* Configure display panel. */
early_graphics_soc_panel_init();
diff --git a/src/soc/intel/common/block/include/intelblocks/early_graphics.h b/src/soc/intel/common/block/include/intelblocks/early_graphics.h
index c0313cf960..55aa9640d2 100644
--- a/src/soc/intel/common/block/include/intelblocks/early_graphics.h
+++ b/src/soc/intel/common/block/include/intelblocks/early_graphics.h
@@ -25,4 +25,7 @@ bool early_graphics_init(void);
/* Clear graphics configuration, turn off the displays. */
void early_graphics_stop(void);
+/* Allow early configuration of any display related GPIOs as needed */
+const struct pad_config *variant_early_graphics_gpio_table(size_t *num);
+
#endif /* SOC_INTEL_COMMON_BLOCK_GRAPHICS_EARLY_H */