[Intel-gfx] [CI 2/2] drm/i915/dmc: Change intel_get_stepping_info()

[Anusha Srivatsa]

Lets use RUNTIME_INFO->step since all platforms now have their
stepping info in intel_step.c. This makes intel_get_stepping_info()
a lot simpler.

Cc: Lucas De Marchi <lucas.demar...@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.sriva...@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demar...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dmc.c | 50 ++++--------------------
 1 file changed, 8 insertions(+), 42 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c 
b/drivers/gpu/drm/i915/display/intel_dmc.c
index f8789d4543bf..1f6c32932331 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -247,50 +247,15 @@ bool intel_dmc_has_payload(struct drm_i915_private *i915)
        return i915->dmc.dmc_info[DMC_FW_MAIN].payload;
 }
 
-static const struct stepping_info skl_stepping_info[] = {
-       {'A', '0'}, {'B', '0'}, {'C', '0'},
-       {'D', '0'}, {'E', '0'}, {'F', '0'},
-       {'G', '0'}, {'H', '0'}, {'I', '0'},
-       {'J', '0'}, {'K', '0'}
-};
-
-static const struct stepping_info bxt_stepping_info[] = {
-       {'A', '0'}, {'A', '1'}, {'A', '2'},
-       {'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 *
-intel_get_stepping_info(struct drm_i915_private *dev_priv)
+intel_get_stepping_info(struct drm_i915_private *i915,
+                       struct stepping_info *si)
 {
-       const struct stepping_info *si;
-       unsigned int size;
-
-       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)) {
-               size = ARRAY_SIZE(bxt_stepping_info);
-               si = bxt_stepping_info;
-       } else {
-               size = 0;
-               si = NULL;
-       }
-
-       if (INTEL_REVID(dev_priv) < size)
-               return si + INTEL_REVID(dev_priv);
+       const char *step_name = 
intel_step_name(RUNTIME_INFO(i915)->step.display_step);
 
-       return &no_stepping_info;
+       si->stepping = step_name[0];
+       si->substepping = step_name[1];
+       return si;
 }
 
 static void gen9_set_dc_state_debugmask(struct drm_i915_private *dev_priv)
@@ -616,7 +581,8 @@ static void parse_dmc_fw(struct drm_i915_private *dev_priv,
        struct intel_package_header *package_header;
        struct intel_dmc_header_base *dmc_header;
        struct intel_dmc *dmc = &dev_priv->dmc;
-       const struct stepping_info *si = intel_get_stepping_info(dev_priv);
+       struct stepping_info display_info = { '*', '*'};
+       const struct stepping_info *si = intel_get_stepping_info(dev_priv, 
&display_info);
        u32 readcount = 0;
        u32 r, offset;
        int id;
-- 
2.32.0

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