8a567b1102
All fixed mode panels should behave the same way when it comes to mode filtering. Reuse the intel_panel_mode_valid() for all of them. This changes the behaviour to match what we do for eDP, ie. reject anything that doesn't exactly match the fixed mode dimensions. Users can still manually provide different sized modes which will be handled by the panel fitter just as before. The difference is that we can no longer report funny modes in the connector's mode list. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210923200109.4459-3-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
134 lines
3.2 KiB
C
134 lines
3.2 KiB
C
// SPDX-License-Identifier: MIT
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/*
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* Copyright © 2018 Intel Corporation
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*/
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#include <drm/drm_mipi_dsi.h>
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#include "intel_dsi.h"
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#include "intel_panel.h"
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int intel_dsi_bitrate(const struct intel_dsi *intel_dsi)
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{
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int bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format);
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if (WARN_ON(bpp < 0))
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bpp = 16;
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return intel_dsi->pclk * bpp / intel_dsi->lane_count;
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}
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int intel_dsi_tlpx_ns(const struct intel_dsi *intel_dsi)
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{
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switch (intel_dsi->escape_clk_div) {
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default:
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case 0:
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return 50;
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case 1:
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return 100;
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case 2:
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return 200;
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}
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}
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int intel_dsi_get_modes(struct drm_connector *connector)
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{
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struct drm_i915_private *i915 = to_i915(connector->dev);
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struct intel_connector *intel_connector = to_intel_connector(connector);
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struct drm_display_mode *mode;
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drm_dbg_kms(&i915->drm, "\n");
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if (!intel_connector->panel.fixed_mode) {
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drm_dbg_kms(&i915->drm, "no fixed mode\n");
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return 0;
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}
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mode = drm_mode_duplicate(connector->dev,
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intel_connector->panel.fixed_mode);
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if (!mode) {
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drm_dbg_kms(&i915->drm, "drm_mode_duplicate failed\n");
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return 0;
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}
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drm_mode_probed_add(connector, mode);
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return 1;
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}
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enum drm_mode_status intel_dsi_mode_valid(struct drm_connector *connector,
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struct drm_display_mode *mode)
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{
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struct drm_i915_private *dev_priv = to_i915(connector->dev);
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struct intel_connector *intel_connector = to_intel_connector(connector);
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const struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode;
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int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
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drm_dbg_kms(&dev_priv->drm, "\n");
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if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
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return MODE_NO_DBLESCAN;
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if (fixed_mode) {
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enum drm_mode_status status;
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status = intel_panel_mode_valid(intel_connector, mode);
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if (status != MODE_OK)
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return status;
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if (fixed_mode->clock > max_dotclk)
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return MODE_CLOCK_HIGH;
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}
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return intel_mode_valid_max_plane_size(dev_priv, mode, false);
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}
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struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi,
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const struct mipi_dsi_host_ops *funcs,
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enum port port)
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{
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struct intel_dsi_host *host;
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struct mipi_dsi_device *device;
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host = kzalloc(sizeof(*host), GFP_KERNEL);
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if (!host)
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return NULL;
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host->base.ops = funcs;
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host->intel_dsi = intel_dsi;
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host->port = port;
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/*
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* We should call mipi_dsi_host_register(&host->base) here, but we don't
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* have a host->dev, and we don't have OF stuff either. So just use the
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* dsi framework as a library and hope for the best. Create the dsi
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* devices by ourselves here too. Need to be careful though, because we
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* don't initialize any of the driver model devices here.
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*/
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device = kzalloc(sizeof(*device), GFP_KERNEL);
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if (!device) {
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kfree(host);
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return NULL;
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}
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device->host = &host->base;
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host->device = device;
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return host;
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}
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enum drm_panel_orientation
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intel_dsi_get_panel_orientation(struct intel_connector *connector)
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{
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struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
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enum drm_panel_orientation orientation;
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orientation = dev_priv->vbt.dsi.orientation;
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if (orientation != DRM_MODE_PANEL_ORIENTATION_UNKNOWN)
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return orientation;
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orientation = dev_priv->vbt.orientation;
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if (orientation != DRM_MODE_PANEL_ORIENTATION_UNKNOWN)
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return orientation;
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return DRM_MODE_PANEL_ORIENTATION_NORMAL;
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}
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