1 // SPDX-License-Identifier: GPL-2.0-only 2 /************************************************************************** 3 * Copyright (c) 2007-2011, Intel Corporation. 4 * All Rights Reserved. 5 * 6 **************************************************************************/ 7 8 #include <drm/drm_framebuffer.h> 9 #include <drm/drm_gem_framebuffer_helper.h> 10 #include <drm/drm_modeset_helper.h> 11 12 #include "framebuffer.h" 13 #include "psb_drv.h" 14 15 static struct drm_framebuffer * 16 psb_user_framebuffer_create(struct drm_device *dev, struct drm_file *filp, 17 const struct drm_format_info *info, 18 const struct drm_mode_fb_cmd2 *cmd) 19 { 20 /* 21 * Reject unknown formats, YUV formats, and formats with more than 22 * 4 bytes per pixel. 23 */ 24 if (!info->depth || info->cpp[0] > 4) 25 return ERR_PTR(-EINVAL); 26 27 /* 28 * Pitch must be aligned to 64 bytes. 29 */ 30 if (cmd->pitches[0] & 63) 31 return ERR_PTR(-EINVAL); 32 33 return drm_gem_fb_create(dev, filp, info, cmd); 34 } 35 36 static const struct drm_mode_config_funcs psb_mode_funcs = { 37 .fb_create = psb_user_framebuffer_create, 38 }; 39 40 static void psb_setup_outputs(struct drm_device *dev) 41 { 42 struct drm_psb_private *dev_priv = to_drm_psb_private(dev); 43 struct drm_connector_list_iter conn_iter; 44 struct drm_connector *connector; 45 46 drm_mode_create_scaling_mode_property(dev); 47 48 /* It is ok for this to fail - we just don't get backlight control */ 49 if (!dev_priv->backlight_property) 50 dev_priv->backlight_property = drm_property_create_range(dev, 0, 51 "backlight", 0, 100); 52 dev_priv->ops->output_init(dev); 53 54 drm_connector_list_iter_begin(dev, &conn_iter); 55 drm_for_each_connector_iter(connector, &conn_iter) { 56 struct gma_encoder *gma_encoder = gma_attached_encoder(connector); 57 struct drm_encoder *encoder = &gma_encoder->base; 58 int crtc_mask = 0, clone_mask = 0; 59 60 /* valid crtcs */ 61 switch (gma_encoder->type) { 62 case INTEL_OUTPUT_ANALOG: 63 crtc_mask = (1 << 0); 64 clone_mask = (1 << INTEL_OUTPUT_ANALOG); 65 break; 66 case INTEL_OUTPUT_SDVO: 67 crtc_mask = dev_priv->ops->sdvo_mask; 68 clone_mask = 0; 69 break; 70 case INTEL_OUTPUT_LVDS: 71 crtc_mask = dev_priv->ops->lvds_mask; 72 clone_mask = 0; 73 break; 74 case INTEL_OUTPUT_MIPI: 75 crtc_mask = (1 << 0); 76 clone_mask = 0; 77 break; 78 case INTEL_OUTPUT_MIPI2: 79 crtc_mask = (1 << 2); 80 clone_mask = 0; 81 break; 82 case INTEL_OUTPUT_HDMI: 83 crtc_mask = dev_priv->ops->hdmi_mask; 84 clone_mask = (1 << INTEL_OUTPUT_HDMI); 85 break; 86 case INTEL_OUTPUT_DISPLAYPORT: 87 crtc_mask = (1 << 0) | (1 << 1); 88 clone_mask = 0; 89 break; 90 case INTEL_OUTPUT_EDP: 91 crtc_mask = (1 << 1); 92 clone_mask = 0; 93 } 94 encoder->possible_crtcs = crtc_mask; 95 encoder->possible_clones = 96 gma_connector_clones(dev, clone_mask); 97 } 98 drm_connector_list_iter_end(&conn_iter); 99 } 100 101 void psb_modeset_init(struct drm_device *dev) 102 { 103 struct drm_psb_private *dev_priv = to_drm_psb_private(dev); 104 struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; 105 int i; 106 107 if (drmm_mode_config_init(dev)) 108 return; 109 110 dev->mode_config.min_width = 0; 111 dev->mode_config.min_height = 0; 112 113 dev->mode_config.funcs = &psb_mode_funcs; 114 115 /* num pipes is 2 for PSB but 1 for Mrst */ 116 for (i = 0; i < dev_priv->num_pipe; i++) 117 psb_intel_crtc_init(dev, i, mode_dev); 118 119 dev->mode_config.max_width = 4096; 120 dev->mode_config.max_height = 4096; 121 122 psb_setup_outputs(dev); 123 124 if (dev_priv->ops->errata) 125 dev_priv->ops->errata(dev); 126 127 dev_priv->modeset = true; 128 } 129 130 void psb_modeset_cleanup(struct drm_device *dev) 131 { 132 struct drm_psb_private *dev_priv = to_drm_psb_private(dev); 133 if (dev_priv->modeset) { 134 drm_kms_helper_poll_fini(dev); 135 } 136 } 137