[PATCH 10/16] drm/amd/display: Use region6 size in fw_meta_info

[Hamza Mahfooz]

From: JinZe Xu <jinze.xu at amd.com>

[Why]
If driver allocated region6 size is not same as the size in firmware,
dmcub won't enable region6.

[How]
Use region6 size in dmcub_fw_meta instead of a constant value.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
Signed-off-by: JinZe Xu <jinze.xu at amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz at amd.com>
---
 drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index db16066bc893..a3f3ff5d49ac 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -497,6 +497,7 @@ enum dmub_status
 	const struct dmub_fw_meta_info *fw_info;
 	uint32_t fw_state_size = DMUB_FW_STATE_SIZE;
 	uint32_t trace_buffer_size = DMUB_TRACE_BUFFER_SIZE;
+	uint32_t shared_state_size = DMUB_FW_HEADER_SHARED_STATE_SIZE;
 	uint32_t window_sizes[DMUB_WINDOW_TOTAL] = { 0 };
 
 	if (!dmub->sw_init)
@@ -514,6 +515,7 @@ enum dmub_status
 
 		fw_state_size = fw_info->fw_region_size;
 		trace_buffer_size = fw_info->trace_buffer_size;
+		shared_state_size = fw_info->shared_state_size;
 
 		/**
 		 * If DM didn't fill in a version, then fill it in based on
@@ -534,7 +536,7 @@ enum dmub_status
 	window_sizes[DMUB_WINDOW_5_TRACEBUFF] = trace_buffer_size;
 	window_sizes[DMUB_WINDOW_6_FW_STATE] = fw_state_size;
 	window_sizes[DMUB_WINDOW_7_SCRATCH_MEM] = DMUB_SCRATCH_MEM_SIZE;
-	window_sizes[DMUB_WINDOW_SHARED_STATE] = DMUB_FW_HEADER_SHARED_STATE_SIZE;
+	window_sizes[DMUB_WINDOW_SHARED_STATE] = max(DMUB_FW_HEADER_SHARED_STATE_SIZE, shared_state_size);
 
 	out->fb_size =
 		dmub_srv_calc_regions_for_memory_type(params, out, window_sizes, DMUB_WINDOW_MEMORY_TYPE_FB);
-- 
2.46.1