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drm/i915: Clean up intel_get_dram_info() a bit

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Remove the pointless zero initialization of bunch of things
(the thing is kzalloc()ed).

Also throw out the mostly useless on-stack string. I think
it'll be clear enough from the logs that 0 means unknown.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190306203551.24592-11-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2019-03-06 22:35:49 +02:00
parent 1d55967dc1
commit 30a533e577
1 changed files with 4 additions and 12 deletions
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16
drivers/gpu/drm/i915/i915_drv.c
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@ -1363,14 +1363,8 @@ static void
intel_get_dram_info(struct drm_i915_private *dev_priv)
{
struct dram_info *dram_info = &dev_priv->dram_info;
char bandwidth_str[32];
int ret;
dram_info->valid = false;
dram_info->ranks = 0;
dram_info->bandwidth_kbps = 0;
dram_info->num_channels = 0;
/*
* Assume 16Gb DIMMs are present until proven otherwise.
* This is only used for the level 0 watermark latency
@ -1391,12 +1385,10 @@ intel_get_dram_info(struct drm_i915_private *dev_priv)
if (ret)
return;
if (dram_info->bandwidth_kbps)
sprintf(bandwidth_str, "%d KBps", dram_info->bandwidth_kbps);
else
sprintf(bandwidth_str, "unknown");
DRM_DEBUG_KMS("DRAM bandwidth:%s, total-channels: %u\n",
bandwidth_str, dram_info->num_channels);
DRM_DEBUG_KMS("DRAM bandwidth: %u kBps, channels: %u\n",
dram_info->bandwidth_kbps,
dram_info->num_channels);
DRM_DEBUG_KMS("DRAM ranks: %u, 16Gb DIMMs: %s\n",
dram_info->ranks, yesno(dram_info->is_16gb_dimm));
}