From: Damien Lespiau Date: Thu, 8 May 2014 19:19:40 +0000 (+0300) Subject: drm/i915/chv: Implement stolen memory size detection X-Git-Tag: omap-for-v3.16/fixes-against-rc1~44^2~38^2~143 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d7f25f23d2e0c7898c95b2a6fd84f6358588de48;p=pandora-kernel.git drm/i915/chv: Implement stolen memory size detection CHV uses the same bits as SNB/VLV to code the Graphics Mode Select field (GFX stolen memory size) with the addition of finer granularity modes: 4MB increments from 0x11 (8MB) to 0x1d. Values strictly above 0x1d are either reserved or not supported. v2: 4MB increments, not 8MB. 32MB has been omitted from the list of new values (Ville Syrjälä) v3: Also correctly interpret GGMS (GTT Graphics Memory Size) (Ville Syrjälä) v4: Don't assign a value that needs 20bits or more to a u16 (Rafael Barbalho) [vsyrjala: v5: Split the early quirks to another patch] Reviewed-by: Jani Nikula Reviewed-by: Ville Syrjälä Reviewed-by: Rafael Barbalho Tested-by: Rafael Barbalho Signed-off-by: Damien Lespiau Signed-off-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- Reading git-diff-tree failed