diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/vlv_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/vlv_dsi.c | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c index 9383eedee2d4..af717df83197 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c @@ -59,7 +59,7 @@ static u16 txbyteclkhs(u16 pixels, int bpp, int lane_count, 8 * 100), lane_count); } -/* return pixels equvalent to txbyteclkhs */ +/* return pixels equivalent to txbyteclkhs */ static u16 pixels_from_txbyteclkhs(u16 clk_hs, int bpp, int lane_count, u16 burst_mode_ratio) { @@ -67,9 +67,8 @@ static u16 pixels_from_txbyteclkhs(u16 clk_hs, int bpp, int lane_count, (bpp * burst_mode_ratio)); } -enum mipi_dsi_pixel_format pixel_format_from_register_bits(u32 fmt) +static enum mipi_dsi_pixel_format pixel_format_from_register_bits(u32 fmt) { - /* It just so happens the VBT matches register contents. */ switch (fmt) { case VID_MODE_FORMAT_RGB888: return MIPI_DSI_FMT_RGB888; @@ -284,7 +283,7 @@ static int intel_dsi_compute_config(struct intel_encoder *encoder, if (ret) return ret; - ret = intel_panel_fitting(pipe_config, conn_state); + ret = intel_pfit_compute_config(pipe_config, conn_state); if (ret) return ret; @@ -740,7 +739,7 @@ static void intel_dsi_pre_enable(struct intel_atomic_state *state, intel_dsi_wait_panel_power_cycle(intel_dsi); - intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); + intel_set_cpu_fifo_underrun_reporting(display, pipe, true); /* * The BIOS may leave the PLL in a wonky state where it doesn't @@ -948,7 +947,7 @@ static bool intel_dsi_get_hw_state(struct intel_encoder *encoder, drm_dbg_kms(display->drm, "\n"); - wakeref = intel_display_power_get_if_enabled(dev_priv, + wakeref = intel_display_power_get_if_enabled(display, encoder->power_domain); if (!wakeref) return false; @@ -1008,7 +1007,7 @@ static bool intel_dsi_get_hw_state(struct intel_encoder *encoder, } out_put_power: - intel_display_power_put(dev_priv, encoder->power_domain, wakeref); + intel_display_power_put(display, encoder->power_domain, wakeref); return active; } @@ -1542,14 +1541,14 @@ static const struct drm_encoder_funcs intel_dsi_funcs = { }; static enum drm_mode_status vlv_dsi_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) + const struct drm_display_mode *mode) { - struct drm_i915_private *i915 = to_i915(connector->dev); + struct intel_display *display = to_intel_display(connector->dev); - if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) { + if (display->platform.valleyview || display->platform.cherryview) { enum drm_mode_status status; - status = intel_cpu_transcoder_mode_valid(i915, mode); + status = intel_cpu_transcoder_mode_valid(display, mode); if (status != MODE_OK) return status; } @@ -1760,6 +1759,31 @@ static void vlv_dphy_param_init(struct intel_dsi *intel_dsi) intel_dsi_log_params(intel_dsi); } +int vlv_dsi_min_cdclk(const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); + + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI)) + return 0; + + /* + * On Valleyview some DSI panels lose (v|h)sync when the clock is lower + * than 320000KHz. + */ + if (IS_VALLEYVIEW(dev_priv)) + return 320000; + + /* + * On Geminilake once the CDCLK gets as low as 79200 + * picture gets unstable, despite that values are + * correct for DSI PLL and DE PLL. + */ + if (IS_GEMINILAKE(dev_priv)) + return 158400; + + return 0; +} + typedef void (*vlv_dsi_dmi_quirk_func)(struct intel_dsi *intel_dsi); /* |