[PATCH v2 05/17] drm: Shrink {width,height}_mm to u16

Ville Syrjala ville.syrjala at linux.intel.com
Fri Apr 3 20:39:56 UTC 2020


From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Instead of supporting ~2000km wide displayes let's limit ourselves
to ~65m. That seems plenty big enough to me.

Even with EDID_QUIRK_DETAILED_IN_CM EDIDs seem to be limited to
10*0xfff which fits into the 16 bits.

Reviewed-by: Emil Velikov <emil.velikov at collabora.com>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 include/drm/drm_modes.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index 8b05f3705d0e..3625e3681488 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -330,7 +330,7 @@ struct drm_display_mode {
 	 * Addressable size of the output in mm, projectors should set this to
 	 * 0.
 	 */
-	int width_mm;
+	u16 width_mm;
 
 	/**
 	 * @height_mm:
@@ -338,7 +338,7 @@ struct drm_display_mode {
 	 * Addressable size of the output in mm, projectors should set this to
 	 * 0.
 	 */
-	int height_mm;
+	u16 height_mm;
 
 	/**
 	 * @crtc_clock:
-- 
2.24.1



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