diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dsi_panel_vbt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c index 7f145b4fec6a1..8302a972d2d44 100644 --- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c +++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c @@ -412,6 +412,25 @@ static const struct drm_panel_funcs vbt_panel_funcs = { .get_modes = vbt_panel_get_modes, }; +/* XXX: This should be done when parsing the VBT in intel_bios.c */ +static enum mipi_dsi_pixel_format pixel_format_from_vbt(u32 fmt) +{ + /* It just so happens the VBT matches register contents. */ + switch (fmt) { + case VID_MODE_FORMAT_RGB888: + return MIPI_DSI_FMT_RGB888; + case VID_MODE_FORMAT_RGB666: + return MIPI_DSI_FMT_RGB666; + case VID_MODE_FORMAT_RGB666_PACKED: + return MIPI_DSI_FMT_RGB666_PACKED; + case VID_MODE_FORMAT_RGB565: + return MIPI_DSI_FMT_RGB565; + default: + MISSING_CASE(fmt); + return MIPI_DSI_FMT_RGB666; + } +} + struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id) { struct drm_device *dev = intel_dsi->base.base.dev; @@ -420,7 +439,7 @@ struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id) struct mipi_pps_data *pps = dev_priv->vbt.dsi.pps; struct drm_display_mode *mode = dev_priv->vbt.lfp_lvds_vbt_mode; struct vbt_panel *vbt_panel; - u32 bits_per_pixel = 24; + u32 bpp; u32 tlpx_ns, extra_byte_count, bitrate, tlpx_ui; u32 ui_num, ui_den; u32 prepare_cnt, exit_zero_cnt, clk_zero_cnt, trail_cnt; @@ -436,12 +455,11 @@ struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id) intel_dsi->eotp_pkt = mipi_config->eot_pkt_disabled ? 0 : 1; intel_dsi->clock_stop = mipi_config->enable_clk_stop ? 1 : 0; intel_dsi->lane_count = mipi_config->lane_cnt + 1; - intel_dsi->pixel_format = mipi_config->videomode_color_format << 7; + intel_dsi->pixel_format = pixel_format_from_vbt(mipi_config->videomode_color_format << 7); + bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format); + intel_dsi->dual_link = mipi_config->dual_link; intel_dsi->pixel_overlap = mipi_config->pixel_overlap; - - bits_per_pixel = dsi_pixel_format_bpp(intel_dsi->pixel_format); - intel_dsi->operation_mode = mipi_config->is_cmd_mode; intel_dsi->video_mode_format = mipi_config->video_transfer_mode; intel_dsi->escape_clk_div = mipi_config->byte_clk_sel; @@ -475,8 +493,7 @@ struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id) */ if (intel_dsi->video_mode_format == VIDEO_MODE_BURST) { if (mipi_config->target_burst_mode_freq) { - computed_ddr = - (pclk * bits_per_pixel) / intel_dsi->lane_count; + computed_ddr = (pclk * bpp) / intel_dsi->lane_count; if (mipi_config->target_burst_mode_freq < computed_ddr) { @@ -499,7 +516,7 @@ struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id) intel_dsi->burst_mode_ratio = burst_mode_ratio; intel_dsi->pclk = pclk; - bitrate = (pclk * bits_per_pixel) / intel_dsi->lane_count; + bitrate = (pclk * bpp) / intel_dsi->lane_count; switch (intel_dsi->escape_clk_div) { case 0: |