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drm/i915/dmc: Change intel_get_stepping_info()

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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.demarchi@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210721215238.24980-2-anusha.srivatsa@intel.com
This commit is contained in:
Anusha Srivatsa
2021-07-21 14:52:36 -07:00
parent e631a440c0
commit f3ba1e90eb
1 changed files with 8 additions and 42 deletions
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50
drivers/gpu/drm/i915/display/intel_dmc.c
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@@ -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;
const char *step_name = intel_step_name(RUNTIME_INFO(i915)->step.display_step);
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);
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;