From: Madhav Chauhan <madhav.chauhan@xxxxxxxxx>
For Gen11 DSI, we don't need to wait for getting
DSI FIFO empty after sending DCS commands.
Signed-off-by: Madhav Chauhan <madhav.chauhan@xxxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_dsi_vbt.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_dsi_vbt.c b/drivers/gpu/drm/i915/intel_dsi_vbt.c
index 04423248bbd7..e6686dbdf462 100644
--- a/drivers/gpu/drm/i915/intel_dsi_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_vbt.c
@@ -123,6 +123,7 @@ static inline enum port intel_dsi_seq_port_to_port(u8 port)
static const u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi,
const u8 *data)
{
+ struct drm_i915_private *dev_priv = to_i915(intel_dsi->base.base.dev);
struct mipi_dsi_device *dsi_device;
u8 type, flags, seq_port;
u16 len;
@@ -193,7 +194,8 @@ static const u8 *mipi_exec_send_packet(struct intel_dsi *intel_dsi,
break;
}
- vlv_dsi_wait_for_fifo_empty(intel_dsi, port);
+ if (!IS_ICELAKE(dev_priv))
+ vlv_dsi_wait_for_fifo_empty(intel_dsi, port);
out:
data += len;
--
2.11.0
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