[Intel-gfx] [PATCH 2/6] drm/i915/icl: Use the same pll functions for dsi

[Vandita Kulkarni]

The same pll manager functions can be used to enable
dpll for mipi. Hence enabling the IO power and
esc clock as part of pre pll enable call.

Signed-off-by: Vandita Kulkarni <vandita.kulkarni at intel.com>
---
 drivers/gpu/drm/i915/icl_dsi.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c
index 89ede31..8590825 100644
--- a/drivers/gpu/drm/i915/icl_dsi.c
+++ b/drivers/gpu/drm/i915/icl_dsi.c
@@ -924,17 +924,22 @@ static void gen11_dsi_powerup_panel(struct intel_encoder *encoder)
 	wait_for_cmds_dispatched_to_panel(encoder);
 }
 
-static void gen11_dsi_pre_enable(struct intel_encoder *encoder,
+static void gen11_dsi_pre_pll_enable(struct intel_encoder *encoder,
 				 const struct intel_crtc_state *pipe_config,
 				 const struct drm_connector_state *conn_state)
 {
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
-
 	/* step2: enable IO power */
 	gen11_dsi_enable_io_power(encoder);
 
 	/* step3: enable DSI PLL */
 	gen11_dsi_program_esc_clk_div(encoder);
+}
+
+static void gen11_dsi_pre_enable(struct intel_encoder *encoder,
+				 const struct intel_crtc_state *pipe_config,
+				 const struct drm_connector_state *conn_state)
+{
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
 
 	/* step4: enable DSI port and DPHY */
 	gen11_dsi_enable_port_and_phy(encoder, pipe_config);
@@ -1305,6 +1310,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
 			 DRM_MODE_ENCODER_DSI, "DSI %c", port_name(port));
 
 	encoder->pre_enable = gen11_dsi_pre_enable;
+	encoder->pre_pll_enable = gen11_dsi_pre_pll_enable;
 	encoder->disable = gen11_dsi_disable;
 	encoder->port = port;
 	encoder->get_config = gen11_dsi_get_config;
-- 
1.9.1