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authorRodrigo Vivi <rodrigo.vivi@intel.com>2015-12-09 07:51:59 -0800
committerRodrigo Vivi <rodrigo.vivi@intel.com>2015-12-09 07:52:39 -0800
commita25c9f00ce2586dfa70ea16fc2e3f2f9043cea62 (patch)
treefa13c9ca3ecb96de4ab73ef2a1319aa881140b3f /drivers
parent893da0c9bcb26acf1ac277f29231bb2a3b0aa95c (diff)
drm/i915/kbl: Fix DMC load on Kabylake.
Kabylake A0 is based on Skylake H0. v2: Don't assume revid+7 and only load the one we are sure about. v3: Rebase on top of latest changes. v4: Accept cleaner solution from Jani with kbl_stepping_info starting on H0 instead of put a hack on revid. Cc: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1449676319-6959-1-git-send-email-rodrigo.vivi@intel.com
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/intel_csr.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
index 6c6a6695e99c..9bb63a85997a 100644
--- a/drivers/gpu/drm/i915/intel_csr.c
+++ b/drivers/gpu/drm/i915/intel_csr.c
@@ -166,6 +166,14 @@ struct stepping_info {
char substepping;
};
+/*
+ * Kabylake derivated from Skylake H0, so SKL H0
+ * is the right firmware for KBL A0 (revid 0).
+ */
+static const struct stepping_info kbl_stepping_info[] = {
+ {'H', '0'}, {'I', '0'}
+};
+
static const struct stepping_info skl_stepping_info[] = {
{'A', '0'}, {'B', '0'}, {'C', '0'},
{'D', '0'}, {'E', '0'}, {'F', '0'},
@@ -182,7 +190,10 @@ static const struct stepping_info *intel_get_stepping_info(struct drm_device *de
const struct stepping_info *si;
unsigned int size;
- if (IS_SKYLAKE(dev)) {
+ if (IS_KABYLAKE(dev)) {
+ size = ARRAY_SIZE(kbl_stepping_info);
+ si = kbl_stepping_info;
+ } else if (IS_SKYLAKE(dev)) {
size = ARRAY_SIZE(skl_stepping_info);
si = skl_stepping_info;
} else if (IS_BROXTON(dev)) {