drm/i915: Enable RANDOM resolution support for MIPI panels

Some MIPI panels might not have resolution which is a multiple of 64 like
1366x768. Enable this feature for such panels by default

Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index b5948b7f3c26fad7c0e992b3697aea15737cb495..4e271c768fd0c58c65b60e9e16d5725c9f82653a 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -552,9 +552,14 @@ static void intel_dsi_mode_set(struct intel_encoder *intel_encoder)
                   intel_dsi->clk_hs_to_lp_count << HS_LP_PWR_SW_CNT_SHIFT);
 
        if (is_vid_mode(intel_dsi))
+               /* Some panels might have resolution which is not a multiple of
+                * 64 like 1366 x 768. Enable RANDOM resolution support for such
+                * panels by default */
                I915_WRITE(MIPI_VIDEO_MODE_FORMAT(pipe),
                                intel_dsi->video_frmt_cfg_bits |
-                               intel_dsi->video_mode_format);
+                               intel_dsi->video_mode_format |
+                               IP_TG_CONFIG |
+                               RANDOM_DPI_DISPLAY_RESOLUTION);
 }
 
 static enum drm_connector_status