[PATCH v3 2/6] drm/i915: Pass size to spi_oprom_get_vbt

[Radhakrishna Sripada <radhakrishna.sripada@intel.com>]

spi_oprom_get_vbt will later be used to show the contents of vbt for
which the size of vbt is needed.

Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
---
 drivers/gpu/drm/i915/display/intel_bios.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 8ff0fdd5a828..2723f4319b5f 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -2957,7 +2957,8 @@ static u32 intel_spi_read(struct intel_uncore *uncore, u32 offset)
 	return intel_uncore_read(uncore, PRIMARY_SPI_TRIGGER);
 }
 
-static struct vbt_header *spi_oprom_get_vbt(struct drm_i915_private *i915)
+static struct vbt_header *spi_oprom_get_vbt(struct drm_i915_private *i915,
+					    size_t *size)
 {
 	u32 count, data, found, store = 0;
 	u32 static_region, oprom_offset;
@@ -3000,6 +3001,9 @@ static struct vbt_header *spi_oprom_get_vbt(struct drm_i915_private *i915)
 
 	drm_dbg_kms(&i915->drm, "Found valid VBT in SPI flash\n");
 
+	if (size)
+		*size = vbt_size;
+
 	return (struct vbt_header *)vbt;
 
 err_free_vbt:
@@ -3105,7 +3109,7 @@ void intel_bios_init(struct drm_i915_private *i915)
 	 * PCI mapping
 	 */
 	if (!vbt && IS_DGFX(i915)) {
-		oprom_vbt = spi_oprom_get_vbt(i915);
+		oprom_vbt = spi_oprom_get_vbt(i915, NULL);
 		vbt = oprom_vbt;
 	}
 
-- 
2.34.1