-
-/*
- * send a video mode command
- *
- * XXX: commands with data in MIPI_DPI_DATA?
- */
-int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd, bool hs, enum port port)
-{
- struct drm_encoder *encoder = &intel_dsi->base.base;
- struct drm_device *dev = encoder->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- u32 mask;
-
- /* XXX: pipe, hs */
- if (hs)
- cmd &= ~DPI_LP_MODE;
- else
- cmd |= DPI_LP_MODE;
-
- /* clear bit */
- I915_WRITE(MIPI_INTR_STAT(port), SPL_PKT_SENT_INTERRUPT);
-
- /* XXX: old code skips write if control unchanged */
- if (cmd == I915_READ(MIPI_DPI_CONTROL(port)))
- DRM_ERROR("Same special packet %02x twice in a row.\n", cmd);
-
- I915_WRITE(MIPI_DPI_CONTROL(port), cmd);
-
- mask = SPL_PKT_SENT_INTERRUPT;
- if (wait_for((I915_READ(MIPI_INTR_STAT(port)) & mask) == mask, 100))
- DRM_ERROR("Video mode command 0x%08x send failed.\n", cmd);
-
- return 0;
-}