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authorVille Syrjälä <ville.syrjala@linux.intel.com>2019-02-07 19:32:28 +0200
committerVille Syrjälä <ville.syrjala@linux.intel.com>2019-03-19 12:57:29 +0200
commit2ee7fd1efe6255732e2086641d574abe36d773dd (patch)
tree5f5843324dd9c13eac70807afff51aceb7ce4ac0 /drivers
parentdc41e918d1597718857ab1d7a599c0f63eba8139 (diff)
drm/i915: Fix readout for cnl DPLL kdiv==3
The readout code thinks that kdiv of 3 is 4. Fix it. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-11-ville.syrjala@linux.intel.com Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h2
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 477dfda38fc7..85e8d1a1f70b 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9850,7 +9850,7 @@ enum skl_power_gate {
#define DPLL_CFGCR1_KDIV(x) ((x) << 6)
#define DPLL_CFGCR1_KDIV_1 (1 << 6)
#define DPLL_CFGCR1_KDIV_2 (2 << 6)
-#define DPLL_CFGCR1_KDIV_4 (4 << 6)
+#define DPLL_CFGCR1_KDIV_3 (4 << 6)
#define DPLL_CFGCR1_PDIV_MASK (0xf << 2)
#define DPLL_CFGCR1_PDIV_SHIFT (2)
#define DPLL_CFGCR1_PDIV(x) ((x) << 2)
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 69aa0d148795..16f28e78afcd 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1349,8 +1349,8 @@ int cnl_calc_wrpll_link(struct drm_i915_private *dev_priv,
case DPLL_CFGCR1_KDIV_2:
p2 = 2;
break;
- case DPLL_CFGCR1_KDIV_4:
- p2 = 4;
+ case DPLL_CFGCR1_KDIV_3:
+ p2 = 3;
break;
}