diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index eb756c41d9e1..e72dd9a8d6bf 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -58,8 +58,6 @@ #define SLAVE_ADDR1 0x70 #define SLAVE_ADDR2 0x72 -static int panel_type; - /* Get BDB block size given a pointer to Block ID. */ static u32 _get_blocksize(const u8 *block_base) { @@ -205,17 +203,32 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv, const struct lvds_dvo_timing *panel_dvo_timing; const struct lvds_fp_timing *fp_timing; struct drm_display_mode *panel_fixed_mode; + int panel_type; int drrs_mode; + int ret; lvds_options = find_section(bdb, BDB_LVDS_OPTIONS); if (!lvds_options) return; dev_priv->vbt.lvds_dither = lvds_options->pixel_dither; - if (lvds_options->panel_type == 0xff) - return; - panel_type = lvds_options->panel_type; + ret = intel_opregion_get_panel_type(dev_priv->dev); + if (ret >= 0) { + WARN_ON(ret > 0xf); + panel_type = ret; + DRM_DEBUG_KMS("Panel type: %d (OpRegion)\n", panel_type); + } else { + if (lvds_options->panel_type > 0xf) { + DRM_DEBUG_KMS("Invalid VBT panel type 0x%x\n", + lvds_options->panel_type); + return; + } + panel_type = lvds_options->panel_type; + DRM_DEBUG_KMS("Panel type: %d (VBT)\n", panel_type); + } + + dev_priv->vbt.panel_type = panel_type; drrs_mode = (lvds_options->dps_panel_type_bits >> (panel_type * 2)) & MODE_MASK; @@ -251,7 +264,7 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv, panel_dvo_timing = get_lvds_dvo_timing(lvds_lfp_data, lvds_lfp_data_ptrs, - lvds_options->panel_type); + panel_type); panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL); if (!panel_fixed_mode) @@ -266,7 +279,7 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv, fp_timing = get_lvds_fp_timing(bdb, lvds_lfp_data, lvds_lfp_data_ptrs, - lvds_options->panel_type); + panel_type); if (fp_timing) { /* check the resolution, just to be sure */ if (fp_timing->x_res == panel_fixed_mode->hdisplay && @@ -284,6 +297,7 @@ parse_lfp_backlight(struct drm_i915_private *dev_priv, { const struct bdb_lfp_backlight_data *backlight_data; const struct bdb_lfp_backlight_data_entry *entry; + int panel_type = dev_priv->vbt.panel_type; backlight_data = find_section(bdb, BDB_LVDS_BACKLIGHT); if (!backlight_data) @@ -546,6 +560,7 @@ parse_edp(struct drm_i915_private *dev_priv, const struct bdb_header *bdb) const struct bdb_edp *edp; const struct edp_power_seq *edp_pps; const struct edp_link_params *edp_link_params; + int panel_type = dev_priv->vbt.panel_type; edp = find_section(bdb, BDB_EDP); if (!edp) { @@ -657,6 +672,7 @@ parse_psr(struct drm_i915_private *dev_priv, const struct bdb_header *bdb) { const struct bdb_psr *psr; const struct psr_table *psr_table; + int panel_type = dev_priv->vbt.panel_type; psr = find_section(bdb, BDB_PSR); if (!psr) { @@ -703,6 +719,7 @@ parse_mipi_config(struct drm_i915_private *dev_priv, const struct bdb_mipi_config *start; const struct mipi_config *config; const struct mipi_pps_data *pps; + int panel_type = dev_priv->vbt.panel_type; /* parse MIPI blocks only if LFP type is MIPI */ if (!intel_bios_is_dsi_present(dev_priv, NULL)) @@ -910,6 +927,7 @@ static void parse_mipi_sequence(struct drm_i915_private *dev_priv, const struct bdb_header *bdb) { + int panel_type = dev_priv->vbt.panel_type; const struct bdb_mipi_sequence *sequence; const u8 *seq_data; u32 seq_size; |