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authorVille Syrjälä <ville.syrjala@linux.intel.com>2015-01-19 13:50:52 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-01-27 09:50:47 +0100
commitf78ae63f28c3f7de06360c553711fb07abd69734 (patch)
tree2982e6bf85577184188c32fc2a1055e69b820837 /drivers/gpu/drm/i915/i915_sysfs.c
parentb5c46aab48889d8f8621bc72d5ea4ffe83601c15 (diff)
drm/i915: Rename 'reg' to 'clk_reg' to unconfuse it from the other 'reg'
On VLV/CHV the rc6 residency calculations read a second register to determine the actual units used for the residency value. The variable name 'reg' where that register value is stored shadows the function argument 'reg'. That can easily leave the reader utterly confused, so rename the internal variable to 'clk_reg'. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Deepak S<deepak.s@intel.com> [danvet: Spellfix in commit message.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_sysfs.c')
-rw-r--r--drivers/gpu/drm/i915/i915_sysfs.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 04174f0d3d90..1ca944b4a8e7 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -49,14 +49,14 @@ static u32 calc_residency(struct drm_device *dev, const u32 reg)
/* On VLV and CHV, residency time is in CZ units rather than 1.28us */
if (IS_VALLEYVIEW(dev)) {
- u32 reg, czcount_30ns;
+ u32 clk_reg, czcount_30ns;
if (IS_CHERRYVIEW(dev))
- reg = CHV_CLK_CTL1;
+ clk_reg = CHV_CLK_CTL1;
else
- reg = VLV_CLK_CTL2;
+ clk_reg = VLV_CLK_CTL2;
- czcount_30ns = I915_READ(reg) >> CLK_CTL2_CZCOUNT_30NS_SHIFT;
+ czcount_30ns = I915_READ(clk_reg) >> CLK_CTL2_CZCOUNT_30NS_SHIFT;
if (!czcount_30ns) {
WARN(!czcount_30ns, "bogus CZ count value");