[PATCH 2/4] drm/amd: Move seamless boot check out of display

[Mario Limonciello]

This will allow base driver to dictate whether seamless should be
enabled.  No intended functional changes.

Signed-off-by: Mario Limonciello <mario.limonciello at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h           |  1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c    | 21 +++++++++++++++++
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 23 +------------------
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h |  2 --
 4 files changed, 23 insertions(+), 24 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 1f846650cc8b..7fb282574fa3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1306,6 +1306,7 @@ void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
 int amdgpu_device_pci_reset(struct amdgpu_device *adev);
 bool amdgpu_device_need_post(struct amdgpu_device *adev);
 bool amdgpu_sg_display_supported(struct amdgpu_device *adev);
+bool amdgpu_seamless_boot_supported(struct amdgpu_device *adev);
 bool amdgpu_device_pcie_dynamic_switching_supported(void);
 bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev);
 bool amdgpu_device_aspm_support_quirk(void);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index d45f5ea57583..72a5f77fc7b4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1271,6 +1271,27 @@ bool amdgpu_sg_display_supported(struct amdgpu_device *adev)
 	return true;
 }
 
+/*
+ * Check whether seamless boot is supported.
+ *
+ * So far we only support seamless boot on select ASICs.
+ * If everything goes well, we may consider expanding
+ * seamless boot to other ASICs.
+ */
+bool amdgpu_seamless_boot_supported(struct amdgpu_device *adev)
+{
+	switch (adev->ip_versions[DCE_HWIP][0]) {
+	case IP_VERSION(3, 0, 1):
+		if (!adev->mman.keep_stolen_vga_memory)
+			return true;
+		break;
+	default:
+		break;
+	}
+
+	return false;
+}
+
 /*
  * Intel hosts such as Raptor Lake and Sapphire Rapids don't support dynamic
  * speed switching. Until we have confirmation from Intel that a specific host
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 1bb1a394f55f..8961e2ec3b51 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1675,7 +1675,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 
 	init_data.flags.seamless_boot_edp_requested = false;
 
-	if (check_seamless_boot_capability(adev)) {
+	if (amdgpu_seamless_boot_supported(adev)) {
 		init_data.flags.seamless_boot_edp_requested = true;
 		init_data.flags.allow_seamless_boot_optimization = true;
 		DRM_INFO("Seamless boot condition check passed\n");
@@ -10924,27 +10924,6 @@ int amdgpu_dm_process_dmub_set_config_sync(
 	return ret;
 }
 
-/*
- * Check whether seamless boot is supported.
- *
- * So far we only support seamless boot on CHIP_VANGOGH.
- * If everything goes well, we may consider expanding
- * seamless boot to other ASICs.
- */
-bool check_seamless_boot_capability(struct amdgpu_device *adev)
-{
-	switch (adev->ip_versions[DCE_HWIP][0]) {
-	case IP_VERSION(3, 0, 1):
-		if (!adev->mman.keep_stolen_vga_memory)
-			return true;
-		break;
-	default:
-		break;
-	}
-
-	return false;
-}
-
 bool dm_execute_dmub_cmd(const struct dc_context *ctx, union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type)
 {
 	return dc_dmub_srv_cmd_run(ctx->dmub_srv, cmd, wait_type);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index a2d34be82613..4c74245add90 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -825,8 +825,6 @@ int amdgpu_dm_process_dmub_aux_transfer_sync(struct dc_context *ctx, unsigned in
 int amdgpu_dm_process_dmub_set_config_sync(struct dc_context *ctx, unsigned int link_index,
 					struct set_config_cmd_payload *payload, enum set_config_status *operation_result);
 
-bool check_seamless_boot_capability(struct amdgpu_device *adev);
-
 struct dc_stream_state *
 	create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector,
 					const struct drm_display_mode *drm_mode,
-- 
2.34.1