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drm/i915/csr: Added ICL Stepping info 

As DMC Package contain DMC FW for multiple steppings including default
stepping. This patch will help to load FW for that particular stepping,
if FW for that stepping is available, instead of loading default FW.

v2 : Fix formatting issue.

Signed-off-by: Jyoti Yadav <jyoti.r.yadav@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1536169347-31326-1-git-send-email-jyoti.r.yadav@intel.com
This commit is contained in:
Jyoti Yadav 2018-09-05 13:42:27 -04:00 committed by Imre Deak
parent e9eaf82d97
commit 7569bf9531
1 changed files with 10 additions and 1 deletions
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11
drivers/gpu/drm/i915/intel_csr.c
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@ -191,6 +191,12 @@ static const struct stepping_info bxt_stepping_info[] = {
{'B', '0'}, {'B', '1'}, {'B', '2'}
};
static const struct stepping_info icl_stepping_info[] = {
{'A', '0'}, {'A', '1'}, {'A', '2'},
{'B', '0'}, {'B', '2'},
{'C', '0'}
};
static const struct stepping_info no_stepping_info = { '*', '*' };
static const struct stepping_info *
@ -199,7 +205,10 @@ intel_get_stepping_info(struct drm_i915_private *dev_priv)
const struct stepping_info *si;
unsigned int size;
if (IS_SKYLAKE(dev_priv)) {
if (IS_ICELAKE(dev_priv)) {
size = ARRAY_SIZE(icl_stepping_info);
si = icl_stepping_info;
} else if (IS_SKYLAKE(dev_priv)) {
size = ARRAY_SIZE(skl_stepping_info);
si = skl_stepping_info;
} else if (IS_BROXTON(dev_priv)) {