From: Ville Syrjälä Date: Thu, 9 Oct 2025 21:13:06 +0000 (+0300) Subject: drm/i915: Drop the min plane width w/a adl+ X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=369c8f97fbf90a1a90b109e23e4e8c3474651bcb;p=thirdparty%2Fkernel%2Flinux.git drm/i915: Drop the min plane width w/a adl+ ADL+ no longer need the plane min width w/a (Wa_14011264657 or Wa_14011050563). Don't apply it there. DG2 still needs it. Signed-off-by: Ville Syrjälä Link: https://patch.msgid.link/20251009211313.30234-3-ville.syrjala@linux.intel.com Reviewed-by: Juha-Pekka Heikkila --- diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index e16e42baf86c5..a50d9c48b8cae 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -390,6 +390,13 @@ static int glk_plane_max_width(const struct drm_framebuffer *fb, } } +static int adl_plane_min_width(const struct drm_framebuffer *fb, + int color_plane, + unsigned int rotation) +{ + return 16 / fb->format->cpp[color_plane]; +} + static int icl_plane_min_width(const struct drm_framebuffer *fb, int color_plane, unsigned int rotation) @@ -2816,7 +2823,10 @@ skl_universal_plane_create(struct intel_display *display, plane->max_height = icl_plane_max_height; plane->min_cdclk = icl_plane_min_cdclk; } else if (DISPLAY_VER(display) >= 11) { - plane->min_width = icl_plane_min_width; + if (DISPLAY_VER(display) >= 14 || display->platform.alderlake_p) + plane->min_width = adl_plane_min_width; + else + plane->min_width = icl_plane_min_width; if (icl_is_hdr_plane(display, plane_id)) plane->max_width = icl_hdr_plane_max_width; else